The Offshore Waters Forecast for Hawai`i.

Offshore Forecast Issued: 09/04/2026 07:05:00 AM UTC
                        
613
FZHW60 PHFO 032105
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1105 AM HST Thu Sep 3 2026

Hawaiian offshore waters beyond 40 nautical miles out to 240
nautical miles including the portion of the Papahanaumokuakea
Marine National Monument east of French Frigate Shoals

Seas given as significant wave height, which is the average height
of the highest 1/3 of the waves. Individual waves may be more than
twice the significant wave height.

PHZ105-040430-
1105 AM HST Thu Sep 3 2026

.Synopsis for the Hawaiian offshore waters...
Surface high pressure will remain far N of the waters through the
forecast period. At 1100 AM HST Hurricane Lowell was centered at
13.6N 158.1W and moving W at 9 kts. Lowell will continue W as the
center of the cyclone passes just south of offshore waters.
Lowell is expected to curve towards the north Sunday into early
next week with Hurricane conditions possible Sunday night into
Monday over the SW and W offshore waters. Hurricane Karina in the
far E Pacific is now expected stay NE of the offshore waters.

LOWELL FORECAST POSITIONS
800 PM HST THURSDAY 13.6N 159.1W
800 AM HST FRIDAY 13.7N 160.4W
800 PM HST FRIDAY 13.7N 161.7W
800 AM HST SATURDAY 14.0N 162.6W
800 PM HST SATURDAY 14.5N 163.3W
800 AM HST SUNDAY 15.5N 163.6W
800 AM HST MONDAY 19.0N 162.5W
800 AM HST TUESDAY 24.5N 162.0W
800 AM HST WEDNESDAY 28.5N 164.5W
800 AM HST THURSDAY 31.0N 167.5W

$$

PHZ180-040430-
Hawaiian Offshore Waters-
1105 AM HST Thu Sep 3 2026

...TROPICAL STORM WARNING IN EFFECT...

.THIS AFTERNOON...Tropical storm conditions S of 18N. Elsewhere E
winds 10 to 20 kt NW Half, E 20 to 30 kt SE Half. Seas 7 to 13
ft. Isolated thunderstorms SE Waters.
.TONIGHT...E winds 15 to 25 kt N of 20N, E 20 to 30 kt elsewhere.
Seas 7 to 13 ft. Isolated thunderstorms SE Waters.
.FRIDAY...E winds 10 to 20 kt N of 20N, E 20 to 30 kt elsewhere.
Seas 8 to 12 ft. Isolated thunderstorms SE Waters.
.FRIDAY NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. Isolated
thunderstorms SE Waters.
.SATURDAY...E winds 15 to 25 kt. Seas 8 to 11 ft. Isolated
thunderstorms SE Waters.
.SUNDAY...Hurricane conditions possible...E winds 35 to 45 kt NW
Half, SE 20 to 30 kt SE Half. Seas 8 to 13 ft. Isolated
thunderstorms S of 24N.
.MONDAY...E winds 100 to 110 kt NW Half, S 20 to 30 kt SE Half.
Seas 10 to 20 ft. Isolated thunderstorms.

$$