288
FZHW60 PHFO 220318
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
518 PM HST Thu Aug 21 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.

PHZ105-221045-
518 PM HST Thu Aug 21 2025

.Synopsis for the Hawaiian offshore waters...
High pressure N of the area will continue to produce trade wind
weather into early next week. A weak trough passing through the
region from tonight into early Saturday may bring some unsettled
weather with possible thunderstorms across the SE waters.

$$

PHZ180-221045-
Hawaiian Offshore Waters-
518 PM HST Thu Aug 21 2025

.TONIGHT THROUGH SATURDAY...E winds 10 to 20 kt. Seas 6 to 8 ft.
Isolated thunderstorms SE Waters.
.SUNDAY...SE winds 10 to 15 kt N of 24N, E 15 to 25 kt elsewhere.
Seas 6 to 9 ft.
.MONDAY AND TUESDAY...E winds 10 to 20 kt. Seas 6 to 8 ft.

$$