766
FZHW60 PHFO 312141
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1141 AM HST Thu Jul 31 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.

PHZ105-010415-
1141 AM HST Thu Jul 31 2025

.Synopsis for the Hawaiian offshore waters...
High pressure will remain to the far N and NE of the area through
this weekend. Tropical Storm Iona will continue to pass SW of the
state today. Additional tropical cyclone development is possible
far SE of Hawaii in the next day or two.

$$

PHZ180-010415-
Hawaiian Offshore Waters-
1141 AM HST Thu Jul 31 2025

.THIS AFTERNOON...E winds 10 to 15 kt N of 24N, E 15 to 25 kt
elsewhere. Seas 6 to 10 ft.
.TONIGHT THROUGH FRIDAY...E winds 10 to 15 kt N of 24N, E 15 to
25 kt elsewhere. Seas 7 to 11 ft.
.FRIDAY NIGHT THROUGH SATURDAY...E winds 15 to 25 kt. Seas 7 to
10 ft.
.SUNDAY...E winds 15 to 25 kt. Seas 7 to 9 ft.
.MONDAY...E winds 10 to 20 kt. Seas 7 to 9 ft.

$$