827
FZHW60 PHFO 201530
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
530 AM HST Sun Sep 20 2026

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.

PHZ105-202215-
530 AM HST Sun Sep 20 2026

.Synopsis for the Hawaiian offshore waters...
Isolated thunderstorms will be possible over the southern waters
through the rest of the weekend. A trough will approach from the
east next week and will bring renewed thunderstorm potential.
Fresh to strong trades continue through the period.

$$

PHZ180-202215-
Hawaiian Offshore Waters-
530 AM HST Sun Sep 20 2026

.TODAY...E winds 10 to 15 kt N of 24N, E 15 to 25 kt elsewhere.
Seas 7 to 9 ft. Isolated thunderstorms SE Waters.
.TONIGHT THROUGH MONDAY NIGHT...E winds 10 to 20 kt N of 24N, E
15 to 25 kt elsewhere. Seas 7 to 9 ft. Isolated thunderstorms SE
Waters.
.TUESDAY...E winds 15 to 25 kt. Seas 6 to 11 ft. Isolated
thunderstorms SE Waters.
.WEDNESDAY...E winds 15 to 25 kt. Seas 6 to 10 ft. Isolated
thunderstorms E of 160W.
.THURSDAY...E winds 15 to 25 kt. Seas 6 to 9 ft. Isolated
thunderstorms S of 24N.

$$