Offshore Forecast
Issued by NWS Honolulu, HI

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FZHW60 PHFO 220941
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1141 PM HST Fri Jul 21 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.

PHZ105-221045-
1141 PM HST Fri Jul 21 2017

.Synopsis for the Hawaiian offshore waters...
Surface high pressure will remain far N of the area into early
next week. The remnants of Tropical Cyclone Fernanda are forecast
to approach the area Saturday, then pass across the N waters from
Sunday into Monday. E swells generated by Fernanda will continue
to spread across most of the offshore waters into Monday morning.

$$

PHZ180-221045-
Hawaiian Offshore Waters-
1141 PM HST Fri Jul 21 2017

.REST OF TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.
.SATURDAY AND SATURDAY NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.
Isolated thunderstorms.
.SUNDAY...E winds 10 to 15 kt. Seas 4 to 7 ft, building to 5 to 8
ft in the afternoon. Isolated thunderstorms.
.SUNDAY NIGHT...E winds 10 to 15 kt. Seas 5 to 8 ft. Isolated
thunderstorms.
.MONDAY THROUGH WEDNESDAY...E winds 10 to 20 kt. Seas 5 to 8 ft.
Isolated thunderstorms Monday.

$$


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