203
FZHW60 PHFO 181524
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
524 AM HST Sat Oct 18 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.

PHZ105-190030-
524 AM HST Sat Oct 18 2025

.Synopsis for the Hawaiian offshore waters...
A broad trough remains over the W offshore waters for the next
couple of days. An upper low will drift over the NW half of the
area through the weekend producing a few thunderstorms.

$$

PHZ180-190030-
Hawaiian Offshore Waters-
524 AM HST Sat Oct 18 2025

.TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated
thunderstorms NW Half.
.TONIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. Isolated
thunderstorms NW Half.
.SUNDAY...E winds 10 to 20 kt. Seas 6 to 7 ft. Isolated
thunderstorms NW Half.
.SUNDAY NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. Isolated
thunderstorms NW Half.
.MONDAY...E winds 10 to 20 kt. Seas 6 to 7 ft. Isolated
thunderstorms NW Half.
.TUESDAY...E winds 10 to 20 kt. Seas 6 to 7 ft.
.WEDNESDAY...E winds 10 to 20 kt. Seas 6 to 8 ft.

$$