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National Weather Service Marine Forecast FZHW60 PHFO

FZHW60 PHFO 190907
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1107 PM HST Sun Aug 18 2019

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.

PHZ105-191845-
1107 PM HST Sun Aug 18 2019

Synopsis for the Hawaiian offshore waters

A surface ridge just N of the area will weaken and shift S
through Monday. A new surface high pressure system will build
N of the offshore waters from Monday night through mid-week. A
weak surface trough may pass from E to W across the area from
Thursday into Friday.



PHZ180-191845-
Hawaiian Offshore Waters-
1107 PM HST Sun Aug 18 2019

REST OF TONIGHT
N of 24N, E winds 10 kt or less. S of 24N, NE
to E winds 10 to 20 kt. Seas 5 to 7 ft.

MONDAY
N of 24N, NE to E winds 10 kt or less. S of 24N, NE to
E winds 10 to 15 kt. Seas 5 to 6 ft.

MONDAY NIGHT
NE to E winds 10 to 20 kt. Seas 5 to 7 ft. Slight
chance of thunderstorms SE waters.

TUESDAY THROUGH WEDNESDAY
E winds 10 to 20 kt. Seas 5 to 7 ft.

THURSDAY
N of 19N, NE to E winds 10 to 20 kt. S of 19N, NE to
E winds 15 to 25 kt. Seas 5 to 7 ft.

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



Houston