Offshore Forecast
Issued by NWS Honolulu, HI

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FZHW60 PHFO 140318
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
518 PM HST Wed Dec 13 2017

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.

PHZ105-141045-
518 PM HST Wed Dec 13 2017

.Synopsis for the Hawaiian offshore waters...
NE to SW front over SE waters moving SE and dissipating. High NW
of area moving NE and weakening to a ridge. Trough forming E of
area Wednesday and moving W over area Saturday and Sunday. Large
NW swell through Thursday night.

$$

PHZ180-141045-
Hawaiian Offshore Waters-
518 PM HST Wed Dec 13 2017

.TONIGHT...Dissipating front over SE waters. NE winds 15 to 25
kt. Seas 10 to 15 ft with large NW swell.
.THURSDAY THROUGH THURSDAY NIGHT...NE winds 15 to 25 kt. Seas 10
to 15 ft with large NW swell. Slight chance of thunderstorms NE
Thursday night.
.FRIDAY AND FRIDAY NIGHT...NE winds 15 to 25 kt, except N winds 5
to 15 kt far E. Seas 8 to 12 ft. Slight chance of thunderstorms
NE.
.SATURDAY...NW half, NE winds 10 to 20 kt. SE half, SE winds 5 to 10
kt. Seas 6 to 10 ft. Slight chance of thunderstorms NE.
.SUNDAY...SE winds 5 to 10 kt, except NE winds 5 to 10 kt far W.
Seas 6 to 9 ft.
.MONDAY...S of 18N, E winds 10 to 15 kt. Elsewhere, variable winds
10 kt or less. Seas 6 to 10 ft, highest N.

$$



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