Offshore Forecast
Issued by NWS Honolulu, HI

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FZHW60 PHFO 280919
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1119 PM HST Sat Sep 27 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.

PHZ105-281630-
1119 PM HST Sat Sep 27 2025

.Synopsis for the Hawaiian offshore waters...
A surface trough just W of the area will continue to weaken and
drift W over the next few days. High pressure will rebuild far N
of the area into early next week. Isolated thunderstorms over
portions of the W waters are possible into early next week.

$$

PHZ180-281630-
Hawaiian Offshore Waters-
1119 PM HST Sat Sep 27 2025

.REST OF TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Isolated
thunderstorms.
.SUNDAY THROUGH TUESDAY...E winds 10 to 20 kt. Seas 4 to 6 ft.
Isolated thunderstorms NW Half.
.WEDNESDAY AND THURSDAY...E winds 10 to 20 kt. Seas 4 to 6 ft.

$$