Offshore Forecast
Issued by NWS Honolulu, HI

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FZHW60 PHFO 181000
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1200 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.

PHZ105-181630-
1200 AM HST Mon Dec 18 2017

.Synopsis for the Hawaiian offshore waters...
Weak low pressure will remain over the region into Monday, then
lift NNE as a cold front enters the far NW waters Monday night.
The cold front will reach the central waters Tuesday, then shift E
of the area Thursday night.

$$

PHZ180-181630-
Hawaiian Offshore Waters-
1200 AM HST Mon Dec 18 2017

.REST OF TONIGHT...Winds variable 15 kt or less. Seas 6 to 10 ft.
Slight chance of thunderstorms.
.MONDAY...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 Monday.
.MONDAY NIGHT...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...NW to N winds 15 to 25 kt. Seas 7 to 11 ft.

$$


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