FZHW60 PHFO 192100
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1100 AM HST Tue May 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.

PHZ105-200415-
1100 AM HST Tue May 19 2026

.Synopsis for the Hawaiian offshore waters...
High presuure north of the islands supports strengthening trades
through the week.

$$

PHZ180-200415-
Hawaiian Offshore Waters-
1100 AM HST Tue May 19 2026

.THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 9 ft. 
.TONIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. 
.WEDNESDAY...E winds 15 to 25 kt. Seas 7 to 10 ft. 
.WEDNESDAY NIGHT...E winds 15 to 25 kt. Seas 7 to 11 ft. 
.THURSDAY...E winds 20 to 30 kt. Seas 8 to 11 ft. 
.FRIDAY...NE winds 15 to 25 kt. Seas 9 to 11 ft. 
.SATURDAY...E winds 15 to 25 kt. Seas 8 to 9 ft.  

$$