http://www.weather.gov/hawaii NWS WFO Honolulu, HI - Offshore Waters Forecast (Hawaii) none en-us W-HFO.Webmaster@noaa.gov (Honolulu Webmaster) W-HFO.Webmaster@noaa.gov (Honolulu Webmaster) 13 Sep 2026 03:18:00 GMT 13 Sep 2026 03:18:00 GMT http://weather.gov/images/xml_logo.gif NOAA and NWS logos 80 41 http://www.weather.gov/hawaii http://forecast.weather.gov/product.php?site=hfo&issuedby=HFO&product=OFF OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
518 PM HST Sat Sep 12 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.

PHZ105-131015-
518 PM HST Sat Sep 12 2026

.Synopsis for the Hawaiian offshore waters...
A surface trough in the W offshore waters will continue to move W
out of the area tonight. A pair of troughs will approach the area
from the east early next week.

$$

PHZ180-131015-
Hawaiian Offshore Waters-
518 PM HST Sat Sep 12 2026

.TONIGHT...N of 24N, E winds 10 to 15 kt, diminishing to up to
10 kt late in the night. Elsewhere, E winds 10 to 15 kt. Seas
4 to 6 ft. Isolated thunderstorms S of 22N and W of 158W.
.SUNDAY...NW Half, E winds 10 to 15 kt, diminishing to up to
10 kt in the late morning and afternoon. SE Half, NE winds 10 to
15 kt. Seas 4 to 6 ft.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...E winds 10 to 20 kt. Seas 4
to 5 ft.
.TUESDAY...E winds 10 to 20 kt. Seas 4 to 6 ft.
.WEDNESDAY...NE winds 15 to 25 kt. Seas 6 to 9 ft.
.THURSDAY...E winds 15 to 25 kt. Seas 6 to 9 ft.

$$
]]> forecast 13 Sep 2026 03:18:00 GMT http://forecast.weather.gov/product.php?site=hfo&issuedby=HFO&product=OFF W-HFO.Webmaster@noaa.gov (Honolulu Webmaster)