The Offshore Waters Forecast for Hawai`i.

Offshore Forecast Issued: 09/16/2026 07:31:00 PM UTC
                        
561
FZHW60 PHFO 160931
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1131 PM HST Tue Sep 15 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.

PHZ105-161630-
1131 PM HST Tue Sep 15 2026

.Synopsis for the Hawaiian offshore waters...
Moderate to locally fresh trade winds increase to fresh to locally
strong on Wednesday as a ridge builds to the N. Trades persist at
fresh to locally strong levels through the weekend. Isolated
thunderstorms possible as a trough traverses the waters from east
to west Wednesday night through Saturday.

$$

PHZ180-161630-
Hawaiian Offshore Waters-
1131 PM HST Tue Sep 15 2026

.REST OF TONIGHT...NE to E winds 10 to 20 kt. Seas 6 ft.
.WEDNESDAY...NW Half, NE winds 10 to 20 kt. SE Half, NE winds
10 to 20 kt, rising to 15 to 25 kt late in the afternoon. Seas 6
to 7 ft. Isolated thunderstorms far E waters.
.WEDNESDAY NIGHT...NE to E winds 15 to 25 kt. Seas 6 to 8 ft.
Isolated thunderstorms SE Waters.
.THURSDAY AND THURSDAY NIGHT...NE to E winds 15 to 25 kt. Seas 6
to 8 ft. Isolated thunderstorms E of 160W.
.FRIDAY...E winds 15 to 25 kt. Seas 7 to 8 ft. Isolated
thunderstorms S of 23N.
.SATURDAY...E winds 15 to 25 kt. Seas 6 to 8 ft. Isolated
thunderstorms S of 19N.
.SUNDAY...NE to E winds 15 to 25 kt. Seas 6 to 8 ft.

$$