The Offshore Waters Forecast for Hawai`i.

Offshore Forecast Issued: 09/07/2026 07:44:00 AM UTC
                        
316
FZHW60 PHFO 062144
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1144 AM HST Sun Sep 6 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.

PHZ105-070415-
1144 AM HST Sun Sep 6 2026

.Synopsis for the Hawaiian offshore waters...
Surface high pressure will remain far N of the waters through the
forecast period. At 1100 AM, Hurricane Lowell was centered at
15.2N 163.7W and moving N at 5 kts. Hurricane conditions to the W
offshore waters are expected tonight into Tuesday. Tropical Storm
Karina will gradually weaken and remain NE of the offshore
waters.

LOWELL FORECAST POSITIONS
800 PM HST SUNDAY    16.3N 163.4W
800 AM HST MONDAY    18.5N 162.7W
800 PM HST MONDAY    21.4N 161.9W
800 AM HST TUESDAY   24.2N 161.6W
800 PM HST TUESDAY   26.4N 162.0W
800 AM HST WEDNESDAY 27.6N 163.3W
800 AM HST THURSDAY  28.0N 167.2W
800 AM HST FRIDAY    27.9N 170.3W
800 AM HST SATURDAY  28.5N 172.0W
800 AM HST SUNDAY    30.5N 175.0W

$$

PHZ180-070415-
Hawaiian Offshore Waters-
1144 AM HST Sun Sep 6 2026

...HURRICANE WARNING IN EFFECT...

.THIS AFTERNOON...E winds 15 to 25 kt. Seas 8 to 10 ft. Isolated
thunderstorms S of 20N.
.TONIGHT...Hurricane conditions expected S of 22N, W of 160W. NW
Half, E winds 20 to 30 kt, rising to 40 to 50 kt. SE Half, E winds
15 to 25 kt. Seas 8 to 12 ft. Isolated thunderstorms S of 24N.
.MONDAY...Hurricane conditions expected W of 159W. NW Half, E
winds 65 to 75 kt, rising to 85 to 95 kt in the late morning and
afternoon. SE Half, E winds 85 to 95 kt, becoming SE 20 to 30 kt
in the afternoon. Seas 8 to 14 ft, building to 9 to 18 ft in the
afternoon. Isolated thunderstorms.
.MONDAY NIGHT...Hurricane conditions expected W of 159W. NW Half,
E winds 85 to 95 kt, becoming SE 75 to 85 kt early in the
morning. SE Half, S winds 15 to 25 kt. Seas 10 to 20 ft. Isolated
thunderstorms E of 160W, scattered thunderstorms W of 160W.
.TUESDAY...Hurricane conditions possible N of 21N, W of 159W. S
winds 70 to 80 kt NW Half, SE 10 to 20 kt SE Half. Seas 9 to 19
ft. Isolated thunderstorms NW Half.
.WEDNESDAY...E winds 10 to 20 kt. Seas 6 to 12 ft. Isolated
thunderstorms NW Half.
.THURSDAY...E winds 10 to 20 kt. Seas 6 to 8 ft.

$$