National Weather Service United States Department of Commerce

                        
180
FZHW60 PHFO 212117
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1117 AM HST Sat Dec 21 2024

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.

PHZ105-220445-
1117 AM HST Sat Dec 21 2024

.Synopsis for the Hawaiian offshore waters...
A weak surface ridge will remain over central waters through
tonight. High pressure will build northwest of the area Sunday
night and pass north of the area Monday, pushing a weakening
front over N waters. The high will move off to the NE Tuesday and
Wednesday as a trailing surface ridge moves into far N waters.

$$

PHZ180-220445-
Hawaiian Offshore Waters-
1117 AM HST Sat Dec 21 2024

.THIS AFTERNOON...N of 23N, W winds 10 to 15 kt. S of 18N, E
winds 10 to 15 kt. Elsewhere, variable winds up to 10 kt. Seas 12
to 17 ft N of 20N, 10 to 14 ft S of 20N.
.TONIGHT...N of 23N, W winds 5 to 15 kt. S of 18N, E winds 10 to
15 kt. Elsewhere, variable winds up to 10 kt. Seas 10 to 15 ft,
building to 18 to 22 ft N of 22N.
.SUNDAY...Front entering far N waters. N of 23N, W winds 5 to 15
kt, becoming N 15 to 20 kt N of front. S of 18N, E winds 10 to 15
kt. Elsewhere, variable winds up to 10 kt. Seas 9 to 21 ft,
highest N of 20N.
.SUNDAY NIGHT...Front moving across N waters. NE winds 10 to 20
kt. Seas 10 to 18 ft.
.MONDAY...E winds 15 to 25 kt. Seas 9 to 14 ft.
.TUESDAY AND WEDNESDAY...S of 20N, E winds 15 to 20 kt. N of 20N,
E to SE winds 5 to 15 kt. Seas 8 to 12 ft, subsiding to 7 to 10
ft Wednesday.

$$