864
FZHW60 PHFO 220959
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1159 PM HST Tue May 21 2024

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.

PHZ105-221645-
1159 PM HST Tue May 21 2024

.Synopsis for the Hawaiian offshore waters...
Strong surface high pressure will remain far NE of Hawaii during
the next couple of days, as a surface trough just NW of the area
slowly weakens then drifts westward. High pressure will shift N
of the area Friday into the weekend.

$$

PHZ180-221645-
Hawaiian Offshore Waters-
1159 PM HST Tue May 21 2024

.REST OF TONIGHT...NW half, SE winds 10 to 20 kt. SE half, E winds 10 to
20 kt. Seas 6 to 8 ft. Isolated thunderstorms W of 160W.
.WEDNESDAY AND WEDNESDAY NIGHT...NW half, SE winds 10 to 20 kt.
SE half, E winds 15 to 20 kt. Seas 6 to 9 ft. Isolated
thunderstorms far NW waters.
.THURSDAY AND THURSDAY NIGHT...NW half, E to SE winds 15 to 20
kt. SE half, E winds 20 kt. Seas 6 to 9 ft.
.FRIDAY THROUGH SUNDAY...E winds 15 to 20 kt. Seas 6 to 8 ft.

$$