The Offshore Waters Forecast for Hawai`i.

Offshore Forecast Issued: 07/18/2026 01:01:00 AM UTC

                        
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FZHW60 PHFO 171501
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
501 AM HST Fri Jul 17 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.

PHZ105-172245-
501 AM HST Fri Jul 17 2026

.Synopsis for the Hawaiian offshore waters...
Strong high pressure far N of the area will edge slightly S and E
through the weekend, then weaken early next week.

$$

PHZ180-172245-
Hawaiian Offshore Waters-
501 AM HST Fri Jul 17 2026

.TODAY...E winds 10 to 20 kt. Seas 6 to 7 ft.
.TONIGHT AND SATURDAY...E winds 15 to 25 kt. Seas 6 to 9 ft.
.SATURDAY NIGHT AND SUNDAY...NE to E winds 10 to 20 kt. Seas 6 to
9 ft.
.MONDAY AND TUESDAY...NE to E winds 10 to 15 kt. Seas 6 to 7 ft.

$$