The Offshore Waters Forecast for Hawai`i.

Fire Weather Concerns in the South-Central U.S.; Heavy Precipitation in Northern California and the Great Lakes

Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern Plains and extending into the Ozarks. An atmospheric river will bring heavy rain and a flash flood threat to northern California and heavy mountain snow in the Cascades and Northern Rockies. A clipper system will bring heavy snow to the Great Lakes. Read More >

362 FZHW60 PHFO 242134 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1134 AM HST Tue Feb 24 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. PHZ105-250430- 1134 AM HST Tue Feb 24 2026 .Synopsis for the Hawaiian offshore waters... Surface high pressure is centered far N of the region, and a weak surface trough lingers to the far SE waters. The trough will dissipate later today as the high slowly weakens. The high will move to the E Thursday, and a front is expected to move into NW waters on Friday then stall Saturday. $$ PHZ180-250430- Hawaiian Offshore Waters- 1134 AM HST Tue Feb 24 2026 .THIS AFTERNOON...Weak trough from 20N151W 18N156W. N of 20N, NE winds 15 to 25 kt. S of 20N, N to NE winds 10 to 15 kt. Seas 8 to 12 ft. .TONIGHT AND WEDNESDAY...NE winds 15 to 25 kt. Seas 8 to 11 ft. .WEDNESDAY NIGHT AND THURSDAY...NW half, E to SE winds 10 to 20 kt. SE half, E winds 10 to 20 kt. Seas 6 to 9 ft. .FRIDAY AND SATURDAY...NW half, SE to S winds 10 to 20 kt, except variable winds to 15 kt far NW waters to W of front. SE half, E winds 10 to 20 kt. Seas 5 to 7 ft. Isolated thunderstorms NW waters. $$