575
FZHW60 PHFO 190337
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
537 PM HST Fri Jul 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.

PHZ105-191100-
537 PM HST Fri Jul 18 2025

.Synopsis for the Hawaiian offshore waters...
A ridge of high pressure will remain far to the NE through early
next week. Isolated thunderstorms possible over N waters beginning
Sunday due to an upper-level trough.

$$

PHZ180-191100-
Hawaiian Offshore Waters-
537 PM HST Fri Jul 18 2025

.TONIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft.
.SATURDAY AND SATURDAY NIGHT...E winds 10 to 20 kt. Seas 6 to 7
ft.
.SUNDAY THROUGH TUESDAY...E winds 10 to 20 kt. Seas 6 to 8 ft.
Isolated thunderstorms N OF 23N through Tuesday.

$$