The Offshore Waters Forecast for Hawai`i.

Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West

Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain, and heavy mountain snow. Read More >

298 FZHW60 PHFO 200307 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 507 PM HST Thu Feb 19 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. PHZ105-201030- 507 PM HST Thu Feb 19 2026 .Synopsis for the Hawaiian offshore waters... Strong high pressure far NE of the waters will gradually weaken through tomorrow. A low pressure system west of the offshore waters will continue to drift W over the next few days. Meanwhile, another trough is expected to develop near the western offshore waters this weekend and will likely bring some unsettled weather. $$ PHZ180-201030- Hawaiian Offshore Waters- 507 PM HST Thu Feb 19 2026 .TONIGHT...NW half, E to SE winds 20 to 30 kt. SE half, E winds 20 to 25 kt. Seas 10 to 14 ft. Isolated thunderstorms W waters.. .FRIDAY...NW half, E to SE winds 20 to 30 kt decreasing to 15 to 25 kt in the afternoon. SE half , E winds 15 to 25 kt. Seas 9 to 13 ft. Isolated thunderstorms W waters. .FRIDAY NIGHT AND SATURDAY...NE half, E to SE winds 15 to 30 kt. SW half, E to SE winds 10 to 15 kt. Seas 7 to 12 ft. Isolated thunderstorms NW half. .SATURDAY NIGHT...N of 23N, E winds 15 to 25 kt. Elsewhere E winds up to 10 kt. Seas 6 to 11 ft. Isolated thunderstorms. .SUNDAY...N of 24N, E winds 20 to 30 kt. Elsewhere variable winds up to 10 kt. Seas 6 to 14 ft. Isolated thunderstorms. .MONDAY...N of 22N, E winds 15 to 25 kt. Elsewhere, E winds 10 to 15 kt. Seas 6 to 16 ft. Isolated thunderstorms. .TUESDAY...N of 20N, E winds 15 to 25 kt. Elsewhere, E winds 10 to 20 kt. Seas 7 to 14 ft. Isolated thunderstorms. $$