Offshore Forecast
Issued by NWS Honolulu, HI

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FZHW60 PHFO 181532
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
532 AM HST Mon Dec 18 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.

PHZ105-182230-
532 AM HST Mon Dec 18 2017

.Synopsis for the Hawaiian offshore waters...
Weak low pressure will lift NNE as a cold front enters the far NW
waters tonight. The cold front will reach the central waters
Tuesday, then shift E of the area Thursday night. Another cold
front will approach and enter the NW waters Friday.

$$

PHZ180-182230-
Hawaiian Offshore Waters-
532 AM HST Mon Dec 18 2017

.TODAY...SE waters, E to SE winds 10 to 15 kt. Variable winds 10
kt or less elsewhere. Seas 6 to 9 ft, building to 12 ft far NW
water late.
.TONIGHT...Front entering far NW waters. N of front, NE winds 15
to 25 kt. Seas 10 to 15 ft. Elsewhere, variable winds to 15 kt.
Seas 6 to 10 ft. Slight chance of thunderstorms.
.TUESDAY AND TUESDAY NIGHT...Front over central waters. N of 22N,
W of 158W, NE winds 15 to 25 kt. Seas 10 to 15 ft subsiding to 9
to 12 ft Tuesday night. Elsewhere, variable winds to 10 kt. Seas 7
to 10 ft. Scattered thunderstorms.
.WEDNESDAY...NW half, N to NE winds 15 to 20 kt. Seas 10 to 12 ft.
SE half, variable winds to 10 kt. Seas 8 to 10 ft. Slight chance
of thunderstorms.
.THURSDAY...NW to N winds 10 to 20 kt. Seas 6 to 10 ft. Slight
chance of thunderstorms.
.FRIDAY...Front entering NW waters. NW waters, NW winds 15 to 25
kt. Seas 8 to 13 ft. SE waters, W to NW winds 10 to 20 kt. Seas 6
to 10 ft.

$$



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