National Weather Service United States Department of Commerce


519
FZHW60 PHFO 200922
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1122 PM HST Mon Aug 19 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.

PHZ105-201630-
1122 PM HST Mon Aug 19 2019

.Synopsis for the Hawaiian offshore waters...
Surface high pressure will build NW of the waters tonight through
Thursday. A weak frontal boundary is expected to move into the N
offshore waters Wednesday night and Thursday, then slowly drift
W over the N waters through late in the week as high pressure
builds to the N of the marine area.

$$

PHZ180-201630-
Hawaiian Offshore Waters-
1122 PM HST Mon Aug 19 2019

.REST OF TONIGHT...E to NE winds 10 to 20 kt. Seas 5 to 7 ft.
Slight chance of thunderstorms.
.TUESDAY THROUGH THURSDAY...E to NE winds 10 to 20 kt. Seas 5 to
8 ft.
.FRIDAY...E to NE winds 10 to 20 kt. Seas 5 to 8 ft. Slight
chance of thunderstorms NW waters.
.SATURDAY...NW half, E to SE winds 10 to 20 kt. SE half, E winds
15 to 25 kt. Seas 5 to 8 ft. Slight chance of thunderstorms NW
waters.

$$