Coastal Waters Forecast
Issued by NWS

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759
FZHW51 PHFO 011746
CWFHI1

Generalized Statewide Coastal Waters Forecast for Hawaii
National Weather Service Honolulu HI
745 AM HST Mon Dec 1 2025

.Synopsis for Hawaiian coastal waters...
 Ridging will remain in place over the area through Tuesday and
should maintain gentle to moderate southeasterly flow across the
local waters. A large, long period, northwest swell will
gradually decline today, but still produce seas above Small Craft
Advisory levels for exposed waters through at least noon. A cold
front is forecast to approach from the northwest on Wednesday and
may affect marine zones west of Kauai with unsettled weather, but
is then expected to weaken to a trough and retreat westward. By
late this week into the weekend, strengthening surface high
pressure northeast of the islands will bring a return of easterly
trades.

$$

Hawaiian waters within 40 nautical miles including the channels-

...SMALL CRAFT ADVISORY THROUGH LATE THIS MORNING FOR WATERS AROUND
KAUAI...KAUAI CHANNEL...OAHU WINDWARD WATERS...KAIWI CHANNEL...MAUI
COUNTY WINDWARD WATERS...ALENUIHAHA CHANNEL AND BIG ISLAND WINDWARD
WATERS...

.TODAY...East southeast winds 10 to 15 knots. Seas 8 to 11 feet.
Wave Detail: Northwest 9 feet at 14 seconds and east 3 feet at
6 seconds. Hazy. Scattered showers.
.TONIGHT...East southeast winds 15 to 20 knots. Seas 5 to 8 feet.
Wave Detail: Northwest 6 feet at 13 seconds and east 3 feet at
5 seconds. Hazy. Isolated showers.
.TUESDAY...East southeast winds 10 to 15 knots. Seas 5 to 7 feet.
Wave Detail: Northwest 5 feet at 12 seconds. Hazy. Isolated
showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 5 to
7 feet. Wave Detail: Northwest 6 feet at 12 seconds. Hazy.
Isolated showers.
.WEDNESDAY...winds variable less than 10 knots to Kauai...east
10 to 15 knots elsewhere. Seas 5 to 8 feet. Scattered showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 7 to 10 feet.
Scattered showers.
.THURSDAY...East southeast winds 20 to 25 knots. Seas 8 to
11 feet. Scattered showers.
.FRIDAY...East winds 20 to 25 knots. Seas 9 to 12 feet, subsiding
to 8 to 10 feet. Scattered showers.

$$