Offshore Forecast
Issued by NWS Honolulu, HI

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FZHW60 PHFO 192106
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1106 AM HST Tue Aug 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.

PHZ105-200600-
1106 AM HST Tue Aug 19 2025

.Synopsis for the Hawaiian offshore waters...
A ridge of high pressure far N of the area will remain nearly
stationary through the week. A weak trough passing S of the state
could bring some unsettled weather Thursday into Friday across
the SE waters.

$$

PHZ180-200600-
Hawaiian Offshore Waters-
1106 AM HST Tue Aug 19 2025

.THIS AFTERNOON THROUGH WEDNESDAY...E winds 10 to 20 kt. Seas 5
to 7 ft.
.WEDNESDAY NIGHT...E winds 10 to 15 kt N of 24N, E 15 to 25 kt
elsewhere. Seas 5 to 7 ft.
.THURSDAY AND FRIDAY...E winds 10 to 15 kt N of 24N, E 15 to 25
kt elsewhere. Seas 6 to 8 ft. Isolated thunderstorms SE Waters.
.SATURDAY...E winds 10 to 15 kt N of 24N, E 15 to 25 kt
elsewhere. Seas 6 to 8 ft.

$$