National Weather Service United States Department of Commerce

Offshore Forecast   Issued: 10/17/2026 01:06:00 AM UTC

 

                        
400
FZHW60 PHFO 161506
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
506 AM HST Fri Oct 16 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.

PHZ105-162215-
506 AM HST Fri Oct 16 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 today, then exit W on Saturday. Stronger
high pressure arrives N of the islands on Sunday.

$$

PHZ180-162215-
Hawaiian Offshore Waters-
506 AM HST Fri Oct 16 2026

.TODAY...E winds 15 to 20 kt. Seas 6 to 8 ft. Isolated
thunderstorms S of 16N.
.TONIGHT THROUGH TUESDAY...E winds 15 to 25 kt. Seas 7 to 10 ft.

$$