National Weather Service Marine Forecast FZHW60 PHFO

FZHW60 PHFO 141526
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
526 AM HST Mon Sep 14 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.

PHZ105-142215
526 AM HST Mon Sep 14 2026

Synopsis for the Hawaiian offshore waters

A trough to the NE will keep moderate to fresh trade winds through Tuesday night. A ridge builds north of the islands on Wednesday, leading to increasing trades. A strong trough reaches the offshore waters from the E by Wednesday. The trough weakens as it traverses west across the islands through the weekend.

PHZ180-142215
Hawaiian Offshore Waters
526 AM HST Mon Sep 14 2026

TODAY
NE to E winds 10 to 15 kt. Seas 6 ft or less.

TONIGHT THROUGH TUESDAY NIGHT
NE to E winds 10 to 20 kt. Seas 6 ft or less.

WEDNESDAY
NE winds 15 to 25 kt. Seas 6 to 8 ft.

THURSDAY
NE to E winds 15 to 25 kt. Seas 6 to 8 ft. Isolated thunderstorms E of 160W.

FRIDAY
E winds 15 to 25 kt. Seas 7 to 9 ft. Isolated thunderstorms S of 20N.