FZHW51 PHFO 200102

CWFHI1



Generalized Statewide Coastal Waters Forecast for Hawaii

National Weather Service Honolulu HI

302 PM HST Thu Mar 19 2026



.Synopsis for Hawaiian coastal waters...

A surface low is centered roughly 300 nm west of Kauai with a

front extending from the low to about 200 nm north of Oahu. The

low will remain nearly stationary through Friday 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-



.TONIGHT...Southeast to south winds 10 to 20 knots. Seas 5 to 7 

feet. Wave Detail: North 4 feet at 11 seconds, east southeast 3 

feet at 5 seconds and south 3 feet at 13 seconds. Heavy showers 

with isolated thunderstorms. 

.FRIDAY...South to southwest winds 10 to 20 knots. Seas 5 to 7 

feet. Wave Detail: Southeast 4 feet at 5 seconds and north 3 feet 

at 11 seconds. Heavy showers with isolated thunderstorms. 

.FRIDAY NIGHT...South to southwest winds 10 to 15 knots. Seas 5 

to 7 feet. Wave Detail: North 4 feet at 10 seconds and south 3 

feet at 4 seconds. Heavy showers with isolated thunderstorms. 

.SATURDAY AND SATURDAY NIGHT...Southwest winds 10 to 20 knots. 

Seas 5 to 8 feet. Wave Detail: North northeast 6 feet at 11 

seconds and southwest 4 feet at 5 seconds. Heavy showers with 

isolated thunderstorms.  

.SUNDAY...Southwest winds 10 to 15 knots, becoming variable around

Kauai. Seas 5 to 7 feet. Heavy showers with isolated 

thunderstorms.

.SUNDAY NIGHT...Kauai and Oahu waters, north to northeast winds 

10 to 15 knots. Maui County and Big Island waters, variable wins

10 kt. Seas 5 to 7 feet. Numerous showers.

.MONDAY...North northeast winds 15 to 25 knots, except variable 

winds to 15 kt Big Island waters. Seas 5 to 8 feet, building to 7 

to 10 feet. Scattered showers, except numerous showers Big Island

waters.

.TUESDAY...Northeast winds 15 to 25 knots. Seas 9 to 12 feet. 

Scattered showers. 



Winds and seas higher in and near tstms.



$$