431
FZHW60 PHFO 231520
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
520 AM HST Sat Aug 23 2025

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.

PHZ105-232300-
520 AM HST Sat Aug 23 2025

.Synopsis for the Hawaiian offshore waters...
A high pressure ridge N of the Hawaiian Islands will continue to
produce fresh to locally strong trade winds through the forecast
period. There is a chance for thunderstorms in the SE waters
into early next week.

$$

PHZ180-232300-
Hawaiian Offshore Waters-
520 AM HST Sat Aug 23 2025

.TODAY...E winds 10 to 20 kt. Seas 6 to 9 ft. Isolated
thunderstorms SE Waters.
.TONIGHT THROUGH MONDAY NIGHT...E winds 10 to 20 kt. Seas 6 to 9
ft. Isolated thunderstorms SE Waters.
.TUESDAY AND WEDNESDAY...E winds 10 to 20 kt. Seas 6 to 8 ft.

$$