Coastal Waters Forecast Issued: 08/16/2026 06:57:00 AM UTC
573
FZHW50 PHFO 152057
CWFHFO
Coastal Waters Forecast
National Weather Service Honolulu HI
1057 AM HST Sat Aug 15 2026
Hawaiian coastal waters within 40 nautical miles including the
Hawaiian Islands Humpback Whale National Marine Sanctuary.
PHZ100-160915-
1057 AM HST Sat Aug 15 2026
.Synopsis for Hawaiian coastal waters...
Hurricane Lala is located about 60 nm southeast of South Point and
is moving northwest at 7 knots. Hurricane conditions are expected
around the Big Island with Tropical Storm conditions anticipated
elsewhere. Easterly trades return starting Tuesday.
$$
PHZ110-160915-
Kauai Northwest Waters-
1057 AM HST Sat Aug 15 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...
...TROPICAL STORM WARNING IN EFFECT...
.REST OF TODAY...East northeast winds 20 to 25 knots. Seas 7 to
9 feet. Wave Detail: East 8 feet at 10 seconds and south
southwest 4 feet at 13 seconds. Isolated showers late this
morning, then scattered showers this afternoon.
.TONIGHT...Tropical storm conditions possible. East northeast
winds 20 to 25 knots. Gusts up to 35 knots after midnight. Seas
8 to 10 feet, building to 9 to 12 feet after midnight. Wave
Detail: East southeast 10 feet at 10 seconds and south southwest
3 feet at 12 seconds. Scattered showers in the evening, then
heavy showers likely after midnight.
.SUNDAY...Tropical storm conditions expected. East northeast
winds 25 to 35 knots. Seas 11 to 15 feet, building to 14 to
17 feet in the afternoon. Wave Detail: East 16 feet at 9 seconds
and south 3 feet at 13 seconds. Heavy showers likely with a
slight chance of thunderstorms.
.SUNDAY NIGHT...East winds 25 to 30 knots, easing to 20 to
25 knots after midnight. Seas 10 to 14 feet, subsiding to 6 to
9 feet after midnight. Wave Detail: East 10 feet at 8 seconds and
south 3 feet at 13 seconds. Numerous heavy showers.
.MONDAY...East winds to 20 knots. Seas 6 to 9 feet, subsiding to
5 to 7 feet in the afternoon. Wave Detail: East 7 feet at
7 seconds and south southwest 3 feet at 14 seconds. Scattered
showers.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East 5 feet at 6 seconds and south southwest 3 feet at
13 seconds. Scattered showers, mainly in the evening.
.TUESDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East 5 feet at 6 seconds. Isolated showers, then
scattered showers after midnight.
.WEDNESDAY...East winds to 15 knots. Seas 3 to 5 feet. Wave
Detail: East 4 feet at 6 seconds. Isolated showers through the
night. Scattered showers through the day.
Winds and seas higher in and near tstms.
$$
PHZ111-160915-
Kauai Windward Waters-
1057 AM HST Sat Aug 15 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...
...TROPICAL STORM WARNING IN EFFECT...
.REST OF TODAY...East northeast winds to 20 knots. Seas 9 to
11 feet. Wave Detail: East southeast 9 feet at 10 seconds and
south 4 feet at 13 seconds. Isolated showers late this morning,
then scattered showers this afternoon.
.TONIGHT...Tropical storm conditions expected. East northeast
winds 20 to 25 knots, rising to 25 to 35 knots after midnight.
Seas 10 to 12 feet, building to 12 to 16 feet after midnight.
Wave Detail: Southeast 14 feet at 11 seconds, east 5 feet at
8 seconds and south 4 feet at 13 seconds. Heavy showers.
.SUNDAY...Tropical storm conditions expected. East northeast
winds 30 to 35 knots, veering to east 25 to 30 knots in the
afternoon. Seas 15 to 19 feet, subsiding to 13 to 17 feet in the
afternoon. Wave Detail: Southeast 17 feet at 10 seconds, east
4 feet at 8 seconds and south 4 feet at 13 seconds. Heavy showers
with a slight chance of thunderstorms.
.SUNDAY NIGHT...East winds 20 to 25 knots. Seas 9 to 10 feet,
subsiding to 7 to 9 feet after midnight. Wave Detail: East 8 feet
at 8 seconds and south 4 feet at 15 seconds. Numerous heavy
showers.
.MONDAY...East winds to 20 knots. Seas 7 to 8 feet, subsiding to
5 to 6 feet in the afternoon. Wave Detail: East 7 feet at
6 seconds and south 4 feet at 14 seconds. Scattered showers.
.MONDAY NIGHT...East winds to 15 knots. Seas 5 to 6 feet. Wave
Detail: East southeast 5 feet at 6 seconds and south 3 feet at
13 seconds. Isolated showers.
.TUESDAY...East winds to 15 knots. Seas 4 to 6 feet. Wave Detail:
East southeast 5 feet at 6 seconds. Isolated showers. Scattered
showers after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 5 seconds. Scattered showers.
Winds and seas higher in and near tstms.
$$
PHZ112-160915-
Kauai Leeward Waters-
1057 AM HST Sat Aug 15 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...
...TROPICAL STORM WARNING IN EFFECT...
.REST OF TODAY...Northeast winds 20 to 25 knots. Seas 7 to
10 feet. Wave Detail: East 8 feet at 9 seconds and south 4 feet
at 13 seconds. Isolated showers this afternoon.
.TONIGHT...Tropical storm conditions expected. Northeast winds
20 to 25 knots, rising to 25 to 35 knots after midnight. Seas
9 to 13 feet, building to 12 to 16 feet after midnight. Wave
Detail: East southeast 15 feet at 12 seconds and south 4 feet at
12 seconds. Scattered showers in the evening, then heavy showers
likely after midnight.
.SUNDAY...Tropical storm conditions expected. East northeast
winds 35 to 45 knots. Seas 16 to 21 feet, building to 19 to
24 feet in the afternoon. Wave Detail: East southeast 24 feet at
11 seconds and south 4 feet at 13 seconds. Heavy showers with a
slight chance of thunderstorms.
.SUNDAY NIGHT...Tropical storm conditions possible. East
southeast winds 25 to 35 knots. Gusts up to 50 knots. Seas 12 to
17 feet, subsiding to 7 to 10 feet after midnight. Wave Detail:
Southeast 17 feet at 8 seconds and south 4 feet at 15 seconds.
Occasional heavy showers.
.MONDAY...East southeast winds 20 to 25 knots, easing to 15 to
20 knots in the afternoon. Seas 7 to 10 feet, subsiding to 6 to
7 feet in the afternoon. Wave Detail: East 8 feet at 6 seconds
and south 4 feet at 14 seconds. Numerous showers.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave
Detail: East 5 feet at 6 seconds and south 4 feet at 13 seconds.
Scattered showers.
.TUESDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East southeast 5 feet at 6 seconds. Scattered showers in
the morning. Isolated showers.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: East 4 feet at 5 seconds. Isolated showers. Scattered
showers after midnight.
Winds and seas higher in and near tstms.
$$
PHZ113-160915-
Kauai Channel-
1057 AM HST Sat Aug 15 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...
...TROPICAL STORM WARNING IN EFFECT...
.REST OF TODAY...Northeast winds 20 to 25 knots. Seas 8 to
10 feet. Wave Detail: East 9 feet at 9 seconds and south 4 feet
at 13 seconds. Scattered showers this afternoon.
.TONIGHT...Tropical storm conditions expected. Northeast winds
25 to 30 knots, rising to 30 to 40 knots after midnight. Seas
10 to 13 feet, building to 14 to 19 feet after midnight. Wave
Detail: Southeast 19 feet at 12 seconds, south 4 feet at
13 seconds and east 3 feet at 8 seconds. Heavy showers.
.SUNDAY...Tropical storm conditions expected. East winds 30 to
40 knots. Seas 19 to 23 feet, subsiding to 14 to 19 feet in the
afternoon. Wave Detail: Southeast 22 feet at 11 seconds, south
4 feet at 13 seconds and east 3 feet at 8 seconds. Heavy showers
with a slight chance of thunderstorms.
.SUNDAY NIGHT...East southeast winds 20 to 25 knots, easing to
15 to 20 knots after midnight. Seas 6 to 9 feet. Wave Detail:
East 8 feet at 8 seconds and south 4 feet at 15 seconds. Numerous
heavy showers.
.MONDAY...East winds 15 to 20 knots. Seas 6 to 7 feet. Wave
Detail: East northeast 6 feet at 6 seconds and south 4 feet at
14 seconds. Scattered showers.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East 5 feet at 5 seconds and south 4 feet at 13 seconds.
Scattered showers, mainly in the evening.
.TUESDAY...East northeast winds to 15 knots. Seas 4 to 6 feet.
Wave Detail: East 5 feet at 5 seconds. Isolated showers.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated
showers, then scattered showers after midnight.
Winds and seas higher in and near tstms.
$$
PHZ114-160915-
Oahu Windward Waters-
1057 AM HST Sat Aug 15 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...
...TROPICAL STORM WARNING IN EFFECT...
.REST OF TODAY...East northeast winds 20 to 25 knots. Seas 11 to
12 feet, building to 11 to 14 feet this afternoon. Wave Detail:
East southeast 11 feet at 10 seconds and south 3 feet at
13 seconds. Isolated showers late this morning, then scattered
showers this afternoon.
.TONIGHT...Tropical storm conditions expected. East northeast
winds 25 to 35 knots, rising to 35 to 40 knots after midnight.
Seas 12 to 15 feet, building to 14 to 19 feet after midnight.
Wave Detail: East southeast 17 feet at 9 seconds and south 3 feet
at 13 seconds. Heavy showers.
.SUNDAY...Tropical storm conditions expected. East winds 30 to
35 knots, easing to 25 to 30 knots in the afternoon. Seas 14 to
18 feet, subsiding to 10 to 14 feet in the afternoon. Wave
Detail: East 17 feet at 9 seconds and south 3 feet at 13 seconds.
Heavy showers with a slight chance of thunderstorms.
.SUNDAY NIGHT...East winds to 20 knots. Seas 7 to 8 feet,
subsiding to 5 to 7 feet after midnight. Wave Detail: East 7 feet
at 7 seconds and south 3 feet at 15 seconds. Scattered showers.
.MONDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave
Detail: East 6 feet at 6 seconds. Scattered showers, mainly in
the morning.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East southeast 5 feet at 6 seconds. Isolated showers.
.TUESDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail:
East southeast 4 feet at 5 seconds. Isolated showers, then
scattered showers after midnight.
.WEDNESDAY...East northeast winds to 15 knots. Seas 3 to 5 feet.
Wave Detail: East northeast 4 feet at 5 seconds. Isolated showers
through the night, then scattered showers through the day.
Winds and seas higher in and near tstms.
$$
PHZ115-160915-
Oahu Leeward Waters-
1057 AM HST Sat Aug 15 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...
...TROPICAL STORM WARNING IN EFFECT...
.REST OF TODAY...Northeast winds 25 to 30 knots. Seas 8 to
11 feet. Wave Detail: East southeast 10 feet at 8 seconds and
south 4 feet at 13 seconds. Scattered showers this afternoon.
.TONIGHT...Tropical storm conditions expected. Northeast winds
30 to 40 knots, becoming east northeast 40 to 50 knots after
midnight. Seas 12 to 16 feet, building to 19 to 24 feet after
midnight. Wave Detail: Southeast 24 feet at 11 seconds and south
4 feet at 13 seconds. Heavy showers. A slight chance of
thunderstorms after midnight.
.SUNDAY...Tropical storm conditions expected. East southeast
winds 35 to 45 knots, becoming southeast 25 to 30 knots in the
afternoon. Seas 18 to 23 feet, subsiding to 10 to 14 feet in the
afternoon. Wave Detail: Southeast 23 feet at 10 seconds and south
4 feet at 13 seconds. Heavy showers with a slight chance of
thunderstorms.
.SUNDAY NIGHT...East southeast winds 15 to 20 knots, easing to
10 to 15 knots after midnight. Seas 6 to 7 feet. Wave Detail:
South southeast 6 feet at 6 seconds and south 4 feet at
15 seconds. Numerous heavy showers.
.MONDAY...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail:
East 4 feet at 6 seconds and south 4 feet at 15 seconds.
Scattered showers.
.MONDAY NIGHT...East northeast winds to 15 knots. Seas 4 to
6 feet. Wave Detail: East 4 feet at 5 seconds and south 4 feet at
13 seconds. Isolated showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East 4 feet at 5 seconds. Isolated showers in the
morning. Isolated showers after midnight.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: East northeast 3 feet at 4 seconds. Isolated
showers in the morning. Isolated showers through the day.
Winds and seas higher in and near tstms.
$$
PHZ116-160915-
Kaiwi Channel-
1057 AM HST Sat Aug 15 2026
...TROPICAL STORM WARNING IN EFFECT...
.REST OF TODAY...Tropical storm conditions possible. Northeast
winds 25 to 30 knots. Seas 9 to 13 feet. Wave Detail: East
11 feet at 9 seconds and south southwest 4 feet at 13 seconds.
Isolated showers late this morning, then scattered showers this
afternoon.
.TONIGHT...Tropical storm conditions expected. East northeast
winds 35 to 45 knots. Seas 12 to 16 feet, building to 18 to
23 feet after midnight. Wave Detail: East southeast 21 feet at
9 seconds, east 5 feet at 8 seconds and south 4 feet at
13 seconds. Heavy showers. A slight chance of thunderstorms after
midnight.
.SUNDAY...Tropical storm conditions possible. East southeast
winds 25 to 35 knots, veering to southeast 20 to 25 knots in the
afternoon. Seas 14 to 19 feet, subsiding to 9 to 11 feet in the
afternoon. Wave Detail: East southeast 18 feet at 9 seconds, east
4 feet at 8 seconds and south 4 feet at 13 seconds. Heavy showers
with a slight chance of thunderstorms.
.SUNDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave
Detail: East 5 feet at 7 seconds and south 4 feet at 14 seconds.
Scattered showers.
.MONDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: East northeast 5 feet at 6 seconds and south 4 feet at
15 seconds. Isolated showers.
.MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East 4 feet at 5 seconds and south 4 feet at
13 seconds. Isolated showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East northeast 4 feet at 5 seconds. Isolated showers
after midnight.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: East northeast 4 feet at 6 seconds. Isolated
showers.
Winds and seas higher in and near tstms.
$$
PHZ117-160915-
Maui County Windward Waters-
1057 AM HST Sat Aug 15 2026
...TROPICAL STORM WARNING IN EFFECT...
.REST OF TODAY...Tropical storm conditions expected. East
northeast winds 25 to 35 knots, rising to 30 to 40 knots this
afternoon. Seas 13 to 14 feet, building to 14 to 19 feet this
afternoon. Wave Detail: East southeast 18 feet at 10 seconds.
Heavy showers.
.TONIGHT...Tropical storm conditions expected. East winds 30 to
40 knots. Seas 14 to 19 feet. Wave Detail: East southeast 18 feet
at 10 seconds. Heavy showers with a slight chance of
thunderstorms.
.SUNDAY...East southeast winds 25 to 30 knots. Gusts up to
45 knots. Seas 11 to 15 feet, subsiding to 8 to 11 feet in the
afternoon. Wave Detail: East southeast 14 feet at 8 seconds. A
slight chance of thunderstorms in the morning. Heavy showers
likely.
.SUNDAY NIGHT...East winds to 20 knots. Seas 6 to 7 feet,
subsiding to 4 to 6 feet after midnight. Wave Detail: East 5 feet
at 7 seconds. Scattered showers.
.MONDAY...East winds to 20 knots, easing to 15 knots in the
afternoon. Seas 4 to 5 feet. Wave Detail: East 5 feet at
5 seconds. Scattered showers, mainly in the morning.
.MONDAY NIGHT...East winds to 15 knots. Seas to 4 feet. Wave
Detail: East 4 feet at 5 seconds. Isolated showers.
.TUESDAY...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail:
East 4 feet at 5 seconds. Isolated showers. Scattered showers
after midnight.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to
5 feet. Wave Detail: Northeast 4 feet at 6 seconds. Scattered
showers.
Winds and seas higher in and near tstms.
$$
PHZ118-160915-
Maui County Leeward Waters-
1057 AM HST Sat Aug 15 2026
...TROPICAL STORM WARNING IN EFFECT...
.REST OF TODAY...Tropical storm conditions expected. Northeast
winds 25 to 35 knots. Gusts up to 50 knots. Seas 9 to 12 feet.
Wave Detail: East 11 feet at 7 seconds, south 4 feet at
13 seconds and east southeast 3 feet at 10 seconds. Isolated
showers late this morning, then scattered showers this afternoon.
.TONIGHT...Tropical storm conditions expected. East winds 40 to
50 knots. Seas 15 to 20 feet, building to 18 to 23 feet after
midnight. Wave Detail: Southeast 23 feet at 10 seconds and south
4 feet at 13 seconds. Heavy showers. A slight chance of
thunderstorms after midnight.
.SUNDAY...Tropical storm conditions possible. South southeast
winds 30 to 40 knots, becoming southeast 20 to 25 knots in the
afternoon. Seas 12 to 16 feet, subsiding to 7 to 10 feet in the
afternoon. Wave Detail: Southeast 16 feet at 9 seconds and south
5 feet at 13 seconds. Heavy showers with a slight chance of
thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave
Detail: South southeast 4 feet at 5 seconds and south 4 feet at
15 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave
Detail: South 4 feet at 15 seconds and south southeast 3 feet at
5 seconds. Scattered showers in the morning. Isolated showers in
the afternoon.
.MONDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to
6 feet. Wave Detail: South 4 feet at 14 seconds and east
southeast 3 feet at 5 seconds. Isolated showers.
.TUESDAY...East northeast winds 10 to 15 knots, becoming 7 to
10 knots after midnight. Seas 3 to 5 feet. Wave Detail: East
southeast 3 feet at 5 seconds.
.WEDNESDAY...East northeast winds 7 to 10 knots. Seas 3 to
4 feet.
Winds and seas higher in and near tstms.
$$
PHZ119-160915-
Maalaea Bay-
1057 AM HST Sat Aug 15 2026
...TROPICAL STORM WARNING IN EFFECT...
.REST OF TODAY...Tropical storm conditions expected. North
northeast winds 30 to 40 knots. Seas 3 to 5 feet. Wave Detail:
North northeast 5 feet at 5 seconds and south 3 feet at
13 seconds. Scattered showers late this morning, then heavy
showers likely this afternoon.
.TONIGHT...Tropical storm conditions expected. East winds 30 to
40 knots. Seas 5 to 8 feet. Wave Detail: South southeast 8 feet
at 9 seconds and south 4 feet at 13 seconds. Heavy showers. A
slight chance of thunderstorms after midnight.
.SUNDAY...North northeast winds 25 to 30 knots, easing to 15 to
20 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: South
southeast 5 feet at 8 seconds and south 4 feet at 13 seconds.
Heavy showers likely with a slight chance of thunderstorms in the
morning, then scattered showers in the afternoon.
.SUNDAY NIGHT...North winds 15 to 20 knots. Seas to 3 feet. Wave
Detail: South 3 feet at 15 seconds. Isolated showers.
.MONDAY...North winds to 20 knots. Seas to 3 feet in the morning,
then to 2 feet or less. Isolated showers in the morning.
.MONDAY NIGHT...North winds to 20 knots. Seas to 2 feet or less.
.TUESDAY...North winds to 20 knots. Seas to 2 feet or less.
.WEDNESDAY...North winds to 15 knots. Seas to 2 feet or less.
Winds and seas higher in and near tstms.
$$
PHZ120-160915-
Pailolo Channel-
1057 AM HST Sat Aug 15 2026
...TROPICAL STORM WARNING IN EFFECT...
.REST OF TODAY...Tropical storm conditions expected. East
northeast winds 30 to 40 knots. Seas 7 to 10 feet, building to
9 to 13 feet this afternoon. Wave Detail: East 10 feet at
8 seconds. Scattered showers late this morning, then heavy
showers likely this afternoon.
.TONIGHT...Tropical storm conditions expected. East winds 30 to
40 knots. Seas 12 to 16 feet. Wave Detail: East 14 feet at
9 seconds. Heavy showers. A slight chance of thunderstorms after
midnight.
.SUNDAY...East southeast winds 25 to 30 knots, easing to 20 to
25 knots in the afternoon. Seas 8 to 11 feet, subsiding to 5 to
7 feet in the afternoon. Wave Detail: East 11 feet at 8 seconds
and south 3 feet at 13 seconds. A slight chance of thunderstorms
in the morning. Heavy showers likely.
.SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
5 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers.
.MONDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: East northeast 3 feet at 6 seconds. Scattered
showers in the morning. Isolated showers in the afternoon.
.MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to
4 feet. Wave Detail: East northeast 3 feet at 5 seconds. Isolated
showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: East northeast 3 feet at 5 seconds. Isolated
showers.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 3 feet.
Wave Detail: East northeast 3 feet at 6 seconds. Scattered
showers.
Winds and seas higher in and near tstms.
$$
PHZ121-160915-
Alenuihaha Channel-
1057 AM HST Sat Aug 15 2026
...HURRICANE WARNING IN EFFECT...
.REST OF TODAY...Tropical storm conditions with hurricane
conditions possible. Northeast winds 30 to 35 knots, rising to
35 to 45 knots this afternoon. Seas 12 to 15 feet, building to
15 to 20 feet this afternoon. Wave Detail: East 18 feet at
10 seconds and south southwest 4 feet at 13 seconds. Heavy
showers.
.TONIGHT...Tropical storm conditions expected with hurricane
conditions possible. East southeast winds 45 to 55 knots. Seas
20 to 25 feet, subsiding to 17 to 22 feet after midnight. Wave
Detail: East 23 feet at 10 seconds and south southwest 5 feet at
13 seconds. Heavy showers with a slight chance of thunderstorms.
.SUNDAY...Southeast winds 25 to 30 knots, backing to east
southeast 20 to 25 knots in the afternoon. Seas 10 to 13 feet,
subsiding to 7 to 10 feet in the afternoon. Wave Detail: South
southeast 11 feet at 8 seconds, south southwest 5 feet at
13 seconds and east 4 feet at 8 seconds. A slight chance of
thunderstorms in the morning. Heavy showers likely.
.SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 6 to
7 feet, subsiding to 4 to 6 feet after midnight. Wave Detail:
South southwest 5 feet at 15 seconds, east northeast 4 feet at
5 seconds and east 3 feet at 8 seconds. Scattered showers.
.MONDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 5 feet at 5 seconds and south
southwest 4 feet at 15 seconds. Scattered showers in the morning.
Isolated showers in the afternoon.
.MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: East northeast 5 feet at 5 seconds and south
southwest 4 feet at 14 seconds. Isolated showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet.
Wave Detail: East northeast 4 feet at 5 seconds and south
southwest 3 feet at 13 seconds. Isolated showers in the morning.
Isolated showers in the evening, then scattered showers after
midnight.
.WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Northeast 3 feet at 4 seconds. Scattered
showers.
Winds and seas higher in and near tstms.
$$
PHZ122-160915-
Big Island Windward Waters-
1057 AM HST Sat Aug 15 2026
...HURRICANE WARNING IN EFFECT...
.REST OF TODAY...Tropical storm conditions with hurricane
conditions possible. East winds 45 to 55 knots. Seas 18 to
23 feet, subsiding to 16 to 21 feet this afternoon. Wave Detail:
East 19 feet at 10 seconds and south 5 feet at 13 seconds. Heavy
showers with a slight chance of thunderstorms.
.TONIGHT...Tropical storm conditions expected with hurricane
conditions possible. East southeast winds 30 to 40 knots, veering
to southeast 25 to 30 knots after midnight. Seas 14 to 19 feet,
subsiding to 11 to 15 feet after midnight. Wave Detail: Southeast
17 feet at 8 seconds, east 8 feet at 9 seconds and south 5 feet
at 13 seconds. Heavy showers with a slight chance of
thunderstorms.
.SUNDAY...Southeast winds 25 to 30 knots. Seas 7 to 10 feet,
subsiding to 5 to 8 feet in the afternoon. Wave Detail: Southeast
8 feet at 5 seconds, east 4 feet at 8 seconds and south 4 feet at
13 seconds. A slight chance of thunderstorms in the morning.
Heavy showers.
.SUNDAY NIGHT...East southeast winds 15 to 20 knots. Seas 4 to
6 feet. Wave Detail: Northeast 4 feet at 4 seconds, east 4 feet
at 8 seconds and south 4 feet at 15 seconds. Scattered showers.
.MONDAY...East winds to 15 knots. Seas 3 to 5 feet. Wave Detail:
North northeast 4 feet at 4 seconds and south 4 feet at
14 seconds. Scattered showers.
.MONDAY NIGHT...East northeast winds to 15 knots. Seas 3 to
4 feet. Wave Detail: Northeast 3 feet at 4 seconds and south
3 feet at 14 seconds. Scattered showers.
.TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: North northeast 3 feet at 4 seconds. Isolated
showers. Scattered showers after midnight.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: North 3 feet at 6 seconds. Scattered showers.
Winds and seas higher in and near tstms.
$$
PHZ123-160915-
Big Island Leeward Waters-
1057 AM HST Sat Aug 15 2026
...HURRICANE WARNING IN EFFECT...
.REST OF TODAY...Tropical storm conditions with hurricane
conditions possible. North northeast winds 35 to 40 knots, rising
to 50 to 60 knots this afternoon. Seas 12 to 16 feet. Wave
Detail: North northeast 16 feet at 9 seconds, south 5 feet at
13 seconds and east southeast 4 feet at 11 seconds. Scattered
showers late this morning. A slight chance of thunderstorms.
Heavy showers this afternoon.
.TONIGHT...Tropical storm conditions expected with hurricane
conditions possible. South southeast winds 50 to 60 knots,
becoming south 30 to 40 knots after midnight. Seas 15 to 20 feet,
subsiding to 10 to 14 feet after midnight. Wave Detail: North
northeast 19 feet at 10 seconds, south 5 feet at 13 seconds and
east 3 feet at 9 seconds. Heavy showers likely with a slight
chance of thunderstorms.
.SUNDAY...South southeast winds 25 to 30 knots. Seas 8 to
11 feet. Wave Detail: South southeast 10 feet at 6 seconds and
south 5 feet at 13 seconds. Heavy showers likely with a slight
chance of thunderstorms in the morning, then scattered showers in
the afternoon.
.SUNDAY NIGHT...East winds 15 to 20 knots, becoming east
northeast 10 to 15 knots after midnight. Seas 4 to 6 feet. Wave
Detail: South 5 feet at 15 seconds and southeast 3 feet at
5 seconds. Scattered showers.
.MONDAY...East southeast winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: South 4 feet at 15 seconds and east northeast 3 feet
at 4 seconds. Scattered showers.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: South 4 feet at 14 seconds and east northeast 3 feet at
5 seconds. Scattered showers.
.TUESDAY...East southeast winds 15 to 20 knots, becoming east
10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast
3 feet at 5 seconds and south 3 feet at 13 seconds. Scattered
showers in the morning. Isolated showers.
.WEDNESDAY...East northeast winds 10 to 15 knots, backing to
north northeast 7 to 10 knots in the afternoon and evening,
veering to southeast after midnight. Seas 3 to 4 feet. Isolated
showers through the day.
Winds and seas higher in and near tstms.
$$
PHZ124-160915-
Big Island Southeast Waters-
1057 AM HST Sat Aug 15 2026
...HURRICANE WARNING IN EFFECT...
.REST OF TODAY...Tropical storm conditions with hurricane
conditions possible. North northeast winds 45 to 60 knots,
veering to south southeast 50 to 60 knots this afternoon. Gusts
up to 75 knots. Seas 25 to 30 feet, subsiding to 20 to 25 feet
this afternoon. Wave Detail: East northeast 29 feet at 12 seconds
and south 4 feet at 13 seconds. Heavy showers with a slight
chance of thunderstorms.
.TONIGHT...Tropical storm conditions expected with hurricane
conditions possible. South winds 30 to 40 knots, backing to south
southeast 25 to 30 knots after midnight. Seas 11 to 15 feet,
subsiding to 7 to 10 feet after midnight. Wave Detail: East
14 feet at 9 seconds and south 5 feet at 13 seconds. Heavy
showers with a slight chance of thunderstorms.
.SUNDAY...Southeast winds 15 to 20 knots, becoming east southeast
10 to 15 knots in the afternoon. Seas 5 to 7 feet. Wave Detail:
South 5 feet at 13 seconds, east southeast 4 feet at 4 seconds
and east 3 feet at 8 seconds. Heavy showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave
Detail: South 5 feet at 13 seconds and east 3 feet at 8 seconds.
Numerous heavy showers.
.MONDAY...East northeast winds to 15 knots. Seas 4 to 5 feet.
Wave Detail: South 4 feet at 15 seconds and east northeast 3 feet
at 4 seconds. Scattered showers, mainly in the morning.
.MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to
5 feet. Wave Detail: South 4 feet at 14 seconds and northeast
3 feet at 4 seconds. Isolated showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Wave Detail: Northeast 3 feet at 4 seconds and south 3 feet at
13 seconds. Isolated showers in the morning. Isolated showers
through the day.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: Northeast 3 feet at 4 seconds. Isolated showers
through the night. Scattered showers through the day.
Winds and seas higher in and near tstms.
$$
Follow us on X
Follow us on Facebook
Follow us on YouTube
HFO RSS Feed