The Offshore Waters Forecast for Hawai`i.

Offshore Forecast Issued: 10/09/2026 12:20:00 AM UTC
                        
656
FZHW60 PHFO 081420
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
420 AM HST Thu Oct 8 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.

PHZ105-082230-
420 AM HST Thu Oct 8 2026

.Synopsis for the Hawaiian offshore waters...
A trough over NW waters will produce S to SE surface winds that
will draw up tropical moisture over Hawaiian waters producing
showers and thunderstorms. Trades will build over E waters this
weekend, but remain light and variable over W waters.

$$

PHZ180-082230-
Hawaiian Offshore Waters-
420 AM HST Thu Oct 8 2026

.TODAY...Trough over NW waters. W of 160W, SW to S winds to 10
kt. E of 160W, S to SE winds 10 to 20 kt. Seas 6 to 8 ft. Isolated
thunderstorms W of 155W.
.TONIGHT...Trough over NW waters. W of 160W, SW to S winds to 10
kt. E of 160W, S to SE winds 10 to 20 kt. Seas 6 to 8 ft. Isolated
thunderstorms W of 155W.
.FRIDAY AND FRIDAY NIGHT...Trough over NW waters. W of 160W, SW
winds up to 10 kt. E of 160W, E to SE winds 10 to 20 kt. Seas 6 to
8 ft. Isolated thunderstorms N of 21N.
.SATURDAY THROUGH SUNDAY...NW half, variable winds up to 10 kt.
SE half, E to SE winds 10 to 15 kt. Seas 6 to 8 ft.
.MONDAY...E winds 15 to 20 kt. Seas 5 to 7 ft.

$$