975
FZHW51 PHFO 311328
CWFHI1

Generalized Statewide Coastal Waters Forecast for Hawaii
National Weather Service Honolulu HI
328 AM HST Thu Jul 31 2025

.Synopsis for Hawaiian coastal waters...
 Surface high pressure to the far north and northeast will
persist through early next week. Tropical Storm Iona will
continue to pass well southwest of the state.

$$

Hawaiian waters within 40 nautical miles including the channels-

...SMALL CRAFT ADVISORY THROUGH EARLY FRIDAY MORNING FOR KAIWI
CHANNEL...MAUI COUNTY WINDWARD WATERS...MAALAEA BAY...PAILOLO
CHANNEL...ALENUIHAHA CHANNEL AND WATERS AROUND THE BIG ISLAND...

.TODAY...East winds 25 to 30 knots. Seas 7 to 10 feet. Wave
Detail: East 6 feet at 7 seconds, south 4 feet at 17 seconds and
southeast 3 feet at 9 seconds. Isolated showers.
.TONIGHT...East winds 20 to 25 knots. Seas 7 to 10 feet. Wave
Detail: East 6 feet at 7 seconds and south southwest 4 feet at
16 seconds. Isolated showers.
.FRIDAY...East winds 20 to 25 knots. Seas 7 to 10 feet. Wave
Detail: East 6 feet at 7 seconds and south 4 feet at 15 seconds.
Isolated showers.
.FRIDAY NIGHT...East northeast winds 25 to 30 knots Alenuihaha
Channel...east northeast to 20 knots elsewhere. Seas 7 to
10 feet. Wave Detail: East 6 feet at 7 seconds and south 4 feet
at 14 seconds. Isolated showers.
.SATURDAY...East northeast winds 20 to 25 knots. Seas 7 to
9 feet. Isolated showers.
.SATURDAY NIGHT...East northeast winds 20 to 25 knots. Seas 7 to
9 feet. Isolated showers.
.SUNDAY...East northeast winds 20 to 25 knots. Seas 7 to 9 feet.
Isolated showers.
.MONDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots. Seas 6 to 9 feet, subsiding to 6 to 7 feet. Isolated
showers.

$$