The Offshore Waters Forecast for Hawai`i.

Offshore Forecast Issued: 07/20/2026 07:09:00 PM UTC

                        
519
FZHW60 PHFO 200909
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1109 PM HST Sun Jul 19 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.

PHZ105-201745-
1109 PM HST Sun Jul 19 2026

.Synopsis for the Hawaiian offshore waters...
High pressure will meander far to the N and NE of the marine area
through late this week.

$$

PHZ180-201745-
Hawaiian Offshore Waters-
1109 PM HST Sun Jul 19 2026

.REST OF TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft.
.MONDAY THROUGH TUESDAY...E winds 10 to 15 kt. Seas 5 to 8 ft.
.TUESDAY NIGHT and WEDNESDAY...E winds 10 to 20 kt. Seas 5 to 8
ft.
.THURSDAY and FRIDAY...E winds 15 to 25 kt. Seas 6 to 9 ft.

$$