Coastal Waters Forecast
Issued by NWS

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189
FZHW51 PHFO 181335
CWFHI1

Generalized Statewide Coastal Waters Forecast for Hawaii
National Weather Service Honolulu HI
335 AM HST Mon Aug 18 2025

.Synopsis for Hawaiian coastal waters...
 Surface high pressure centered far north of the islands will
help maintain fresh to locally strong east trade winds through
the week.

$$

Hawaiian waters within 40 nautical miles including the channels-

...SMALL CRAFT ADVISORY THROUGH EARLY WEDNESDAY MORNING FOR MAALAEA
BAY...THE PAILOLO AND ALENUIHAHA CHANNELS AND WATERS SOUTH OF THE
BIG ISLAND...

.TODAY...East winds 20 to 25 knots. Seas 5 to 7 feet. Wave
Detail: East 5 feet at 6 seconds. A chance of showers.
.TONIGHT...East winds 20 to 25 knots. Seas 4 to 6 feet. Wave
Detail: East 5 feet at 6 seconds. A chance of showers.
.TUESDAY...East winds 20 to 25 knots. Seas 5 to 7 feet. A slight
chance of showers.
.TUESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 5 to
8 feet. A slight chance of showers.
.WEDNESDAY...East northeast winds 20 to 25 knots. Seas 5 to
8 feet. A slight chance of showers.
.WEDNESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 5 to
8 feet. A chance of showers.
.THURSDAY...East winds 20 to 25 knots. Seas 5 to 8 feet. A slight
chance of showers through the night. A chance of showers through
the day.
.FRIDAY...East northeast winds 20 to 25 knots. Seas 5 to 8 feet.
A slight chance of showers through the night. A chance of showers
through the day.

$$