National Weather Service Marine Forecast FZHW60 PHFO

FZHW60 PHFO 221531
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
531 AM HST Fri Feb 22 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.

PHZ105-222245-
531 AM HST Fri Feb 22 2019

Synopsis for the Hawaiian offshore waters

A trough over the eastern waters will remain nearly stationary
into the weekend, then weaken and move E as high pressure builds
NW of the area. A cold front will approach and pass near the
northern waters early next week. Strong high pressure will build
north of the area in its wake.  

PHZ180-222245-
Hawaiian Offshore Waters-
531 AM HST Fri Feb 22 2019

TODAY
Trough along 155W. E of trough, SE winds 10 to 20 kt. W
of trough, variable winds 10 kt or less. Seas 6 to 9 ft. Isolated
thunderstorms E.

TONIGHT THROUGH SATURDAY NIGHT
Trough 23N152N 16N158W. SE of
trough, SE winds 10 to 15 kt. W of trough, variable winds 5 to 15
kt. Seas 5 to 8 ft. Slight chance of thunderstorms SE.

SUNDAY AND MONDAY
N to NE winds 10 to 20 kt. Seas 6 to 8 ft.
Isolated thunderstorms E Sunday.

TUESDAY
NW half, N winds 15 to 30 kt. SE half, variable winds
5 to 15 kt. Seas 9 to 13 ft building to 12 to 16 ft far NW late.