Coastal Waters Forecast
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740
FZHW51 PHFO 121317
CWFHI1

Generalized Statewide Coastal Waters Forecast for Hawaii
National Weather Service Honolulu HI
316 AM HST Sun Oct 12 2025

.Synopsis for Hawaiian coastal waters...
 A broad trough north of the islands will keep trade winds at
gentle to moderate strength into Tuesday. Building high pressure
to the north will drive stronger easterly trade winds Wednesday
and Thursday, while a disturbance aloft brings instability.

$$

Hawaiian waters within 40 nautical miles including the channels-


.TODAY...East winds 7 to 10 knots to Kauai...east southeast 15 to
20 knots elsewhere. Seas 5 to 6 feet. Wave Detail: East 4 feet at
13 seconds and northwest 4 feet at 20 seconds. Isolated showers.
.TONIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet. Wave
Detail: Northwest 5 feet at 18 seconds and east 4 feet at
12 seconds. Scattered showers.
.MONDAY...East winds 10 to 15 knots. Seas 6 to 8 feet. Wave
Detail: Northwest 6 feet at 16 seconds and east 3 feet at
12 seconds. Scattered showers.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 6 to 9 feet. Wave
Detail: Northwest 7 feet at 16 seconds and east 3 feet at
11 seconds. Scattered showers.
.TUESDAY...East winds 10 to 15 knots. Seas 6 to 9 feet. Scattered
showers.
.TUESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 8 feet.
Scattered showers.
.WEDNESDAY...East winds 15 to 20 knots. Seas 5 to 8 feet.
Scattered showers through the night, then numerous showers
through the day.
.THURSDAY...East winds 15 to 20 knots. Seas 6 to 7 feet. Numerous
showers through the night, then scattered showers through the
day.

$$