The Offshore Waters Forecast for Hawai`i.

                        

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FZHW60 PHFO 210306

OFFHFO



Offshore Waters Forecast for Hawaii

National Weather Service Honolulu HI

506 PM HST Tue May 20 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.



PHZ105-211545-

506 PM HST Tue May 20 2025



.Synopsis for the Hawaiian offshore waters...

High pressure centered far NE and N of the islands will maintain

a moderate to fresh easterly flow through Wednesday. The gradient

will tighten on Thursday night and bring fresh to strong winds

across the area before weakening once again to moderate to fresh

speeds heading into the weekend. Isolated thunderstorms will be

possible for the NW half of the area Wednesday night through

Friday.



$$



PHZ180-211545-

Hawaiian Offshore Waters-

506 PM HST Tue May 20 2025



.TONIGHT THROUGH WEDNESDAY...E winds 10 to 20 kt. Seas 6 to 7 ft.

.WEDNESDAY NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. Isolated

thunderstorms NW Half.

.THURSDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated

thunderstorms NW Half.

.THURSDAY NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. Isolated

thunderstorms NW Half.

.FRIDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated

thunderstorms NW Half.

.SATURDAY...E winds 10 to 20 kt. Seas 6 to 7 ft.

.SUNDAY...E winds 15 to 20 kt. Seas 6 to 8 ft.



$$