FZHW51 PHFO 211305

CWFHI1



Generalized Statewide Coastal Waters Forecast for Hawaii

National Weather Service Honolulu HI

305 AM HST Sat Mar 21 2026



.Synopsis for Hawaiian coastal waters...

Low pressure west of Kauai will remain nearly stationary through

today then pass north of the islands Saturday. The low will lift

northeast of the state on Sunday, and strong high pressure will

build far north of the islands Monday and Tuesday. 



$$



Hawaiian waters within 40 nautical miles including the channels-



...SMALL CRAFT ADVISORY THROUGH EARLY SUNDAY MORNING FOR WATERS

AROUND KAUAI...KAUAI CHANNEL...OAHU WINDWARD WATERS AND KAIWI

CHANNEL...



.TODAY...South southwest winds 20 to 25 knots near Kauai and

Oahu...south 10 to 15 knots elsewhere. Seas 6 to 9 feet. Wave

Detail: North northeast 9 feet at 11 seconds, south 3 feet at

5 seconds and south southwest 3 feet at 18 seconds. Heavy showers

with isolated thunderstorms. 

.TONIGHT...South winds 7 to 10 knots near the Big Island...south

southwest 15 to 20 knots elsewhere. Seas 7 to 10 feet. Wave

Detail: North northeast 8 feet at 10 seconds, south 4 feet at

5 seconds and northwest 3 feet at 15 seconds. Heavy showers with

isolated thunderstorms. 

.SUNDAY...Southwest winds 10 to 15 knots. Seas 5 to 8 feet. Wave

Detail: North northeast 5 feet at 10 seconds and northwest 3 feet

at 14 seconds. Heavy showers with isolated thunderstorms. 

.SUNDAY NIGHT...West southwest winds 10 to 15 knots. Seas 5 to

7 feet. Wave Detail: North northeast 4 feet at 10 seconds and

northwest 3 feet at 13 seconds. Showers likely. 

.MONDAY...Northeast winds 15 to 20 knots near Kauai and Oahu...

northeast 7 to 10 knots elsewhere. Seas 5 to 7 feet. Scattered

showers. 

.MONDAY NIGHT...Northeast winds to 20 knots to Kauai...northeast

10 to 15 knots elsewhere. Seas 5 to 8 feet. Scattered showers. 

.TUESDAY...Northeast winds 15 to 20 knots. Seas 5 to 8 feet.

Scattered showers. 

.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 7 to 8 feet.

Scattered showers through the night. Isolated showers through the

day.  



Winds and seas higher in and near tstms.



$$