The Offshore Waters Forecast for Hawai`i.

Offshore Forecast Issued: 09/28/2026 01:25:00 AM UTC
                        
501
FZHW60 PHFO 271525
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
525 AM HST Sun Sep 27 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.

PHZ105-272245-
525 AM HST Sun Sep 27 2026

.Synopsis for the Hawaiian offshore waters...
Strong winds and hazardous seas will accompany Hurricane Nolo as
it advances west across area waters today, then turns northwest
early this week and weakens. Trade winds gradually weaken and veer
southeast through the week.

AT 500 AM HST HURRICANE NOLO WAS CENTERED AT 16.2N 158.3W...MOVING W
AT 10 KT

NOLO FORECAST POSITIONS
200 PM HST SUNDAY    16.3N 159.7W
200 AM HST MONDAY    17.0N 161.5W
200 PM HST MONDAY    18.4N 162.8W
200 AM HST TUESDAY   20.3N 163.5W
200 PM HST TUESDAY   21.8N 163.8W
200 AM HST WEDNESDAY 22.4N 164.0W
200 AM HST THURSDAY  22.6N 165.9W
200 AM HST FRIDAY    23.0N 168.2W
200 AM HST SATURDAY  23.0N 171.0W
200 AM HST SUNDAY    23.0N 176.0W

$$

PHZ180-272245-
Hawaiian Offshore Waters-
525 AM HST Sun Sep 27 2026

...HURRICANE WARNING IN EFFECT...

.TODAY...Hurricane conditions expected S of 19N. Elsewhere, E
winds 20 to 30 kt. Seas 10 to 14 ft. Isolated thunderstorms S of
19N.
.TONIGHT...Tropical storm conditions expected SW waters.
Elsewhere, E winds 15 to 25 kt. Seas 9 to 14 ft. Isolated
thunderstorms SW waters.
.MONDAY...Hurricane conditions expected W of 160W. Elsewhere, E
winds 15 to 25 kt. Seas 8 to 14 ft. Isolated thunderstorms W of
160W.
.MONDAY NIGHT...Hurricane conditions expected W of 160W.
Elsewhere, E to SE winds 15 to 25 kt. Seas 8 to 14 ft. Isolated
thunderstorms W of 160W.
.TUESDAY...Hurricane conditions possible W of 161W. Elsewhere, E
to SE winds 10 to 20 kt. Seas 6 to 13 ft. Isolated thunderstorms
W of 161W.
.WEDNESDAY...Tropical storm conditions possible W of 162W.
Elsewhere, E to SE winds 10 to 20 kt. Seas 6 to 10 ft. Isolated
thunderstorms W of 162W.
.THURSDAY...E to SE winds 10 to 20 kt. Seas 6 to 7 ft.

$$