Coastal Waters Forecast
Issued by NWS

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370
FZHW51 PHFO 041319
CWFHI1

Generalized Statewide Coastal Waters Forecast for Hawaii
National Weather Service Honolulu HI
319 AM HST Mon Aug 4 2025

.Synopsis for Hawaiian coastal waters...
 Surface high pressure far north of the area will drift east over
the next several days. Trades will likely become disrupted as the
remnants of former Tropical Cyclone Gil passes to the northeast
of the state.

$$

Hawaiian waters within 40 nautical miles including the channels-

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

.TODAY...East winds 20 to 25 knots. Seas 6 to 9 feet. Wave
Detail: East 6 feet at 7 seconds and south 4 feet at 15 seconds.
Isolated showers.
.TONIGHT...East northeast winds 20 to 25 knots. Seas 7 to 9 feet.
Wave Detail: East 6 feet at 15 seconds and south 4 feet at
15 seconds. Isolated showers.
.TUESDAY...East northeast winds 15 to 20 knots. Seas 6 to 9 feet.
Wave Detail: East 5 feet at 13 seconds and south 4 feet at
14 seconds.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to
7 feet. Wave Detail: East 5 feet at 11 seconds and south 4 feet
at 13 seconds. Isolated showers.
.WEDNESDAY...North northeast winds 7 to 10 knots. Seas 5 to
6 feet. Scattered showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet.
Scattered showers.
.THURSDAY...Alenuihaha Channel, east northeast winds 20 to
25 knots. Elsewhere, east southeast winds 10 to 15 knots,
becoming east 15 to 20 knots. Seas 5 to 7 feet. Scattered
showers.
.FRIDAY...East winds 15 to 20 knots. Seas 5 to 8 feet. Isolated
showers.

$$