The Offshore Waters Forecast for Hawai`i.

Offshore Forecast Issued: 07/26/2026 07:01:00 PM UTC
                        
112
FZHW60 PHFO 260901
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1101 PM HST Sat Jul 25 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.

PHZ105-261630-
1101 PM HST Sat Jul 25 2026

.Synopsis for the Hawaiian offshore waters...
Strong high pressure N of Hawaii will drift W through Sunday and
gradually weaken early next week. Hurricane Fausto is centered
near 19.5N 138.8W and is moving WNW at 11 kt. Fausto will weaken
to a tropical storm before entering the eastern offshore waters on
Monday evening and will traverse westward across the northern
offshore waters through Wednesday.

FAUSTO FORECAST POSITIONS AND MAX WINDS
 12H 26/1200Z 19.8N 140.5W 80 KT 90 MPH
 24H 27/0000Z 20.2N 143.0W 75 KT 85 MPH
 36H 27/1200Z 20.7N 145.5W 70 KT 80 MPH
 48H 28/0000Z 21.3N 148.1W 65 KT 75 MPH
 60H 28/1200Z 21.8N 150.6W 55 KT 65 MPH
 72H 29/0000Z 22.4N 153.2W 50 KT 60 MPH
 96H 30/0000Z 23.5N 157.7W 40 KT 45 MPH
120H 31/0000Z 24.5N 162.4W 30 KT 35 MPH

$$

PHZ180-261630-
Hawaiian Offshore Waters-
1101 PM HST Sat Jul 25 2026

.REST OF TONIGHT...E winds 10 to 20 kt. Seas 8 to 9 ft.
.SUNDAY...E winds 10 to 20 kt. Seas 8 to 9 ft.
.SUNDAY NIGHT...NE winds 10 to 20 kt. Seas 7 to 9 ft.
.MONDAY...NE winds 15 to 25 kt. Seas 7 to 10 ft.
.MONDAY NIGHT...Tropical storm conditions possible. NE winds 10
to 20 kt NW Half, NE 30 to 40 kt SE Half. Seas 7 to 12 ft.
.TUESDAY...Tropical storm conditions possible. NE winds 40 to 50
kt E of 160W, NE 10 to 20 kt W of 160W. Seas 7 to 13 ft. Isolated
thunderstorms E of 160W.
.WEDNESDAY...Tropical storm conditions possible.NE winds 30 to 40
kt NW Half, E 20 to 30 kt SE Half. Seas 6 to 12 ft. Isolated
thunderstorms E of 160W.
.THURSDAY...E winds 20 to 30 kt NW Half, E 10 to 20 kt SE Half.
Seas 6 to 10 ft. Isolated thunderstorms NW Half.

$$