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National Weather Service Marine Forecast FZHW60 PHFO

FZHW60 PHFO 180930
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1130 PM HST Tue Jul 17 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.

PHZ105-181930-
1130 PM HST Tue Jul 17 2018

Synopsis for the Hawaiian offshore waters

Broad high pressure far N of the area will maintain trade winds.
An area of low pressure passing just S of the offshore waters is
expected to provide an additional boost to the trade wind speeds
through Thursday.



PHZ180-181930-
Hawaiian Offshore Waters-
1130 PM HST Tue Jul 17 2018

REST OF TONIGHT
E winds 15 to 25 kt, strongest E half. Seas 6
to 12 ft, highest E and S. Slight chance of thunderstorms S.

WEDNESDAY AND WEDNESDAY NIGHT
E winds 15 to 30 kt, strongest
SE half. Seas 6 to 12 ft, highest E and S. Slight chance of
thunderstorms S.

THURSDAY
E winds 15 to 25 kt. Seas 6 to 10 ft. Highest winds
and seas S of 19N.

THURSDAY NIGHT
E winds 15 to 20 kt. Seas 6 to 8 ft.

FRIDAY
E winds 10 to 20 kt. Seas 5 to  7 ft.

SATURDAY AND SUNDAY
E winds 15 to 20 kt. Seas 5 to 7 ft.