The Offshore Waters Forecast for Hawai`i.

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A storm system will shift from eastern Texas into the lower Mississippi Valley Monday with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. A Flood Watch remains in effect. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest Monday into Wednesday. Read More >

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FZHW60 PHFO 250909
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1109 PM HST Mon Nov 24 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.

PHZ105-251645-
1109 PM HST Mon Nov 24 2025

.Synopsis for the Hawaiian offshore waters...
The high pressure ridge will remain weak across the region through
the weekend. A front will approach from the NW, then stall and
diminish near the far NW waters this weekend. An extra large NW
swell is also expected starting on Saturday.

$$

PHZ180-251645-
Hawaiian Offshore Waters-
1109 PM HST Mon Nov 24 2025

.REST OF TONIGHT...N of 22N, Variable winds up to 10 kt. S of 22N, E
winds 10 to 20 kt. Seas 5 to 8 ft.
.TUESDAY AND TUESDAY NIGHT...NW waters, ESE winds up to 10 kt, SE
waters, E winds 10 to 15 kt. Seas 5 to 8 ft.
.WEDNESDAY AND WEDNESDAY NIGHT...Ridge from 23N 165W to 24N 155W.
N of ridge, SE to S winds 5 to 10 kt. S of ridge, E to SE winds 5
to 15 kt. Seas 6 to 9 ft, highest far N waters.
.THURSDAY...NW waters, SE to S winds 5 to 10 kt. SE waters, E to
SE winds 10 to 20 kt. Seas 7 to 9 ft.
.FRIDAY...NW waters, SE to S winds 10 to 20 kt. SE waters, E to
SE winds 10 to 20 kt. Seas 7 to 9 ft.
.SATURDAY...Cold front approaching NW waters. NW waters, S to SW
winds 10 to 20 kt. SE waters, E to SE winds 5 to 15 kt. Seas 6 to
13 ft, highest far NW waters. Seas building to 10 to 14 ft across
NW waters by Saturday night. Isolated thunderstorms NW Half.

$$