FZHW51 PHFO 181342

CWFHI1



Generalized Statewide Coastal Waters Forecast for Hawaii

National Weather Service Honolulu HI

342 AM HST Sat Jul 18 2026



.Synopsis for Hawaiian coastal waters...

Strong high pressure far northeast of the area will weaken early

next week. A moderate south swell is expected to build Sunday

night into Monday and Tuesday. 



$$



Hawaiian waters within 40 nautical miles including the channels-



...SMALL CRAFT ADVISORY THROUGH LATE THIS AFTERNOON FOR KAIWI

CHANNEL...MAUI COUNTY WINDWARD WATERS...MAALAEA BAY...PAILOLO

CHANNEL...ALENUIHAHA CHANNEL AND WATERS AROUND THE BIG ISLAND...



.TODAY...East northeast winds 20 to 25 knots. Seas 6 to 9 feet.

Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet

at 13 seconds. Isolated showers. 

.TONIGHT...East northeast winds 20 to 25 knots. Seas 5 to 8 feet.

Wave Detail: East 6 feet at 7 seconds and south 3 feet at

13 seconds. Isolated showers. 

.SUNDAY...East northeast winds 20 to 25 knots. Seas 5 to 8 feet.

Wave Detail: East 5 feet at 6 seconds and south 3 feet at

13 seconds. Isolated showers. 

.SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to

6 feet. Wave Detail: East 5 feet at 6 seconds and south 4 feet at

17 seconds. Scattered showers. 

.MONDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet.

Scattered showers. 

.MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to

7 feet. Scattered showers. 

.TUESDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet.

Scattered showers. 

.WEDNESDAY...East winds 20 to 25 knots. Seas 5 to 7 feet.

Isolated showers.  



$$