Offshore Forecast
Issued by NWS Honolulu, HI

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027
FZHW60 PHFO 171517
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
517 AM HST Mon Nov 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.

PHZ105-172230-
517 AM HST Mon Nov 17 2025

.Synopsis for the Hawaiian offshore waters...
A high pressure ridge N of the Hawaiian Islands will drift E as a
front approaches the state from the NW. The front will enter the
NW offshore waters Tuesday, with near gale-force winds behind the
front. A new high pressure will build N of the area midweek.
Isolated thunderstorms are possible through much of the forecast
period.

$$

PHZ180-172230-
Hawaiian Offshore Waters-
517 AM HST Mon Nov 17 2025

.TODAY...E winds 10 to 20 kt. Seas 6 to 7 ft. Isolated
thunderstorms SE Waters.
.TONIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. Isolated
thunderstorms.
.TUESDAY AND TUESDAY NIGHT... Cold front entering NW waters. N of
22, NE winds 20 to 30 kt. Elsewhere, NE winds 15 to 25 kt. Seas 6
to 7 ft. Isolated thunderstorms.
.WEDNESDAY AND THURSDAY...E winds 20 to 30 kt. Seas 7 to 11 ft.
Isolated thunderstorms.
.FRIDAY...E winds 15 to 25 kt. Seas 8 to 10 ft.

$$