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) 20 May 2026 09:06:00 GMT 20 May 2026 09:06:00 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
1106 PM 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.

PHZ105-201645-
1106 PM HST Tue May 19 2026

.Synopsis for the Hawaiian offshore waters...
A strengthening high pressure ridge building north of the
Hawaiian Islands will bring fresh to strong easterly trade winds
into early next week.

$$

PHZ180-201645-
Hawaiian Offshore Waters-
1106 PM HST Tue May 19 2026

.REST OF TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.WEDNESDAY AND WEDNESDAY NIGHT...E winds 15 to 25 kt. Seas 7 to
10 ft.
.THURSDAY THROUGH SUNDAY...E winds 15 to 30 kt. Seas 8 to 11 ft.

$$
]]> forecast 20 May 2026 09:06:00 GMT http://forecast.weather.gov/product.php?site=hfo&issuedby=HFO&product=OFF W-HFO.Webmaster@noaa.gov (Honolulu Webmaster)