Offshore Forecast
Issued by NWS Honolulu, HI

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FZHW60 PHFO 200316
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
516 PM HST Fri Jan 19 2018

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.

PHZ105-201045-
516 PM HST Fri Jan 19 2018

.Synopsis for the Hawaiian offshore waters...
Strong high pressure located far NNE of the islands will continue
to move E away from the islands, weakening the trade winds
tonight. A trough will form and dissipate just W of Kauai over
the weekend. A front will approach the far NW waters around
midweek.

$$

PHZ180-201045-
Hawaiian Offshore Waters-
516 PM HST Fri Jan 19 2018

.TONIGHT...N of 22N and W of 160W, SE winds 10 to 15 kt. Rest of
area W of 160W, E winds 10 to 15 kt. Elsewhere, E winds 15 to 25
kt. Seas 9 to 13 ft.
.SATURDAY...Trough over NW waters. N of 22N and W of 160W,
variable winds to 10 kt. Rest of area, E winds 15 to 25 kt. Seas 9
to 11 ft.
.SATURDAY NIGHT AND SUNDAY..Dissipating trough over NW waters. W
of 162W, NE winds to 10 kt. Rest of area, E winds 10 to 20 kt.
Seas 8 to 11 ft.
.SUNDAY NIGHT AND MONDAY...N of 20N, NE to E winds 10 to 20 kt.
Rest of area, E winds 15 to 25 kt. Seas 9 to 11 ft.
.TUESDAY...SE to E winds 15 to 20 kt. Seas 8 to 11 ft.
.WEDNESDAY...Front approaching NW waters. NW half, SE winds 10 to
20 kt. SE half, E winds 15 to 25 kt. Seas 7 to 10 feet, highest
SE waters.

$$



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