Coastal Waters Forecast
Issued by NWS

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388
FZHW51 PHFO 081340
CWFHI1

Generalized Statewide Coastal Waters Forecast for Hawaii
National Weather Service Honolulu HI
340 AM HST Wed Oct 8 2025

.Synopsis for Hawaiian coastal waters...
 A surface trough will slowly drift west over the coastal waters
through the end of this week. This will help maintain weak flow
out of the south or southeast. By this weekend, high pressure
will build far northeast of the state and bring a return to more
typical gentle easterly trades.

$$

Hawaiian waters within 40 nautical miles including the channels-


.TODAY...winds variable less than 10 knots to Kauai...south
southeast 7 to 10 knots elsewhere. Seas 3 to 4 feet. Isolated
showers.
.TONIGHT...South southeast winds 7 to 10 knots. Seas 3 to 4 feet.
Scattered showers.
.THURSDAY...South southeast winds 7 to 10 knots. Seas 3 to
4 feet. Isolated showers.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
5 feet. Isolated showers.
.FRIDAY...East southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Isolated showers.
.FRIDAY NIGHT...East winds 7 to 10 knots to Kauai...east 15 to
20 knots elsewhere. Seas 5 to 7 feet. Scattered showers.
.SATURDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Isolated
showers through the night, then scattered showers through the
day.
.SUNDAY...East northeast winds 10 to 15 knots. Seas 5 to 7 feet.
Scattered showers.

$$