The Offshore Waters Forecast for Hawai`i.

Offshore Forecast Issued: 08/09/2026 07:19:00 PM UTC
                        
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FZHW60 PHFO 090919
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1119 PM HST Sat Aug 8 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.

PHZ105-091630-
1119 PM HST Sat Aug 8 2026

.Synopsis for the Hawaiian offshore waters...
Moderate to fresh trades will persist through Wednesday as high
pressure holds NE of the region. A trough passing just S of the
area will bring isolated thunderstorms to far S waters on Monday.
A tropical cyclone may develop SE of the area early to the middle
of next week and advance toward the area Thursday.

$$

PHZ180-091630-
Hawaiian Offshore Waters-
1119 PM HST Sat Aug 8 2026

.REST OF TONIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft.
.SUNDAY...E winds 15 to 20 kt. Seas 6 to 9 ft.
.SUNDAY NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.MONDAY AND MONDAY NIGHT...NE to E winds 10 to 20 kt. Seas 6 to 8
ft. Isolated thunderstorms S of 17N.
.TUESDAY...NE to E winds 10 to 20 kt. Seas 6 to 8 ft.
.WEDNESDAY...NW half, E winds 10 to 15 kt. SE half, NE winds 15
to 20 kt. Seas 6 to 9 ft.
.THURSDAY...NW half, E winds 15 to 20 kt and seas 6 to 8 ft. SE
half, NE winds 20 to 30 kt and seas 8 to 14 ft.

$$