338
FZHW60 PHFO 200943
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1143 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.

PHZ105-201615-
1143 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. A surface low will
develop northwest of the state Monday into Tuesday veering winds
more southerly and bringing a chance of thunderstorms. The low
will move northeast of the state during the second half of next
week.


$$

PHZ180-201615-
Hawaiian Offshore Waters-
1143 PM HST Sat Apr 19 2025

.REST OF TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
.SUNDAY THROUGH MONDAY...E winds 10 to 20 kt. Seas 6 to 8 ft.
.MONDAY NIGHT...NW half, SE winds 10 to 15 kt. SE half, E to SE winds
10 to 15 kt. Seas 6 to 8 ft. Isolated thunderstorms NW Half.
.TUESDAY THROUGH THURSDAY...NW half, S winds 10 to 15 kt,
strengthening to 10 to 20 kt Wednesday. SE half, SE winds 15 to
20 kt. Seas 6 to 8 ft. Isolated thunderstorms NW Half.

$$