596
FZHW60 PHFO 220933
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1133 PM HST Sat Sep 21 2024

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.

PHZ105-221800-
1133 PM HST Sat Sep 21 2024

.Synopsis for the Hawaiian offshore waters...
A surface ridge far N of Hawaii will weaken through Sunday,
easing the trade winds into Monday. The trades will strengthen
Tuesday and Wednesday as a new high builds N of the island chain
and an area of low pressure passes by to the S.

$$

PHZ180-221800-
Hawaiian Offshore Waters-
1133 PM HST Sat Sep 21 2024

.REST OF TONIGHT...E winds 10 to 20 kt, strongest far NW waters. Seas 4
to 7 ft. Isolated thunderstorms N of 24N.
.SUNDAY THROUGH MONDAY...E winds 10 to 15 kt. Seas 4 to 6 ft.
Isolated thunderstorms N of 23N.
.MONDAY NIGHT...E winds 10 to 20 kt, strongest S of 19N. Seas 6
to 7 ft.
.TUESDAY...N of 20N, E winds 10 to 20 kt. S of 20N, E winds 20 to
25 kt. Seas 6 to 8 ft. Isolated thunderstorms far SE Waters.
.WEDNESDAY AND THURSDAY...N of 20N, E winds 15 to 20 kt. S of
20N, E winds 20 to 25 kt. Seas 6 to 9 ft. Isolated thunderstorms
S of 18N.

$$