678
FZHW60 PHFO 190305
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
505 PM HST Mon Aug 18 2025

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.

PHZ105-191100-
505 PM HST Mon Aug 18 2025

.Synopsis for the Hawaiian offshore waters...
A ridge of high pressure far N of the area will maintain moderate
to locally strong trades through most of the week. A weak trough
passing S of the state could bring some unsettled weather Thursday
into Friday across the SE waters.

$$

PHZ180-191100-
Hawaiian Offshore Waters-
505 PM HST Mon Aug 18 2025

.TONIGHT THROUGH TUESDAY NIGHT...E winds 10 to 20 kt. Seas 5 to 7
ft.
.WEDNESDAY AND WEDNESDAY NIGHT...E winds 10 to 15 kt N of 24N, E
15 to 25 kt elsewhere. Seas 5 to 7 ft.
.THURSDAY AND FRIDAY...E winds 10 to 15 kt N of 24N, E 15 to 25
kt elsewhere. Seas 5 to 8 ft. Isolated thunderstorms SE Waters.
.SATURDAY...E winds 10 to 15 kt N of 24N, E 15 to 25 kt
elsewhere. Seas 5 to 8 ft.

$$