453
FZHW60 PHFO 151505
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
505 AM HST Tue Sep 15 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.

PHZ105-152230-
505 AM HST Tue Sep 15 2026

.Synopsis for the Hawaiian offshore waters...
A trough to the NE will keep light to moderate trade winds
through tonight. A building ridge to the N and a new trough to
the E will lead to an increase in trade winds and increased
chances for isolated thunderstorms Wednesday through Friday.

$$

PHZ180-152230-
Hawaiian Offshore Waters-
505 AM HST Tue Sep 15 2026

.TODAY...NE to E winds 10 to 15 kt. Seas 6 ft or less.
.TONIGHT AND WEDNESDAY...NE winds 10 to 20 kt. Seas 6 ft.
.WEDNESDAY NIGHT AND THURSDAY...NE to E winds 15 to 25 kt. Seas 6
to 8 ft. Isolated thunderstorms SE Waters.
.FRIDAY...E winds 15 to 25 kt. Seas 7 to 9 ft. Isolated
thunderstorms S of 23N.
.SATURDAY...E winds 15 to 25 kt. Seas 7 to 8 ft. Isolated
thunderstorms S of 20N.

$$