Offshore Forecast
Issued by NWS Honolulu, HI

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651
FZHW60 PHFO 171435
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
435 AM HST Sat May 17 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.

PHZ105-172300-
435 AM HST Sat May 17 2025

.Synopsis for the Hawaiian offshore waters...
High pressure to the nearly stationary to the NE will keep
moderate to fresh trade winds in place through the forecast
period.

$$

PHZ180-172300-
Hawaiian Offshore Waters-
435 AM HST Sat May 17 2025

.TODAY...E winds 10 to 20 kt. Seas 6 to 9 ft. Isolated
thunderstorms from 18N to 20N between 158W and 155W.
.TONIGHT THROUGH WEDNESDAY...E winds 10 to 20 kt. Seas 6 to 9 ft.
Isolated thunderstorms NW Half through Monday.

$$