181
FZHW60 PHFO 200305
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
505 PM HST Sat Apr 19 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.

PHZ105-201200-
505 PM HST Sat Apr 19 2025

.Synopsis for the Hawaiian offshore waters...
High pressure far northeast of the state will drive gentle to
moderate easterly trade winds into Monday while an upper level
disturbance weakens east of the state. A surface low will develop
northwest of the state Monday into Tuesday veering winds
southerly and bringing a chance of thunderstorms. The low will
move northeast of the state during the second half of next week.


$$

PHZ180-201200-
Hawaiian Offshore Waters-
505 PM HST Sat Apr 19 2025

.TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated
thunderstorms E of 160W.
.SUNDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated
thunderstorms SE Waters.
.SUNDAY NIGHT AND MONDAY...E winds 10 to 20 kt. Seas 6 to 8 ft.
.MONDAY NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated
thunderstorms NW Half.
.TUESDAY...SE winds 10 to 20 kt. Seas 6 to 8 ft. Isolated
thunderstorms NW Half.
.WEDNESDAY AND THURSDAY...SE winds 15 to 25 kt. Seas 6 to 8 ft.
Isolated thunderstorms NW Half.

$$