FZHW60 PHFO 160917
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1117 PM HST Thu Oct 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-
1117 PM HST Thu Oct 15 2026

.Synopsis for the Hawaiian offshore waters...
Surface high pressure far N of the islands will build as it 
shifts NE of Hawaii through the weekend. A weak surface trough 
will edge in from the E overnight into Friday, then exits W on
Saturday. Stronger high pressure arrives N of the islands on 
Sunday.

$$

PHZ180-161630-
Hawaiian Offshore Waters-
1117 PM HST Thu Oct 15 2026

.REST OF TONIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. Isolated
thunderstorms S of 17N. 
.FRIDAY...E winds 15 to 20 kt. Seas 6 to 8 ft. Isolated
thunderstorms S of 17N. 
.FRIDAY NIGHT THROUGH TUESDAY...E winds 15 to 25 kt. Seas 7 to 10
ft.

$$