####018001713####
FZHW60 PHFO 121510

OFFHFO



Offshore Waters Forecast for Hawaii

National Weather Service Honolulu HI

510 AM HST Fri Apr 12 2024



Hawaiian offshore waters beyond 40 nautical miles out to 240

nautical miles including the portion of the Papahanaumokuakea

Marine National Monument east of French Frigate Shoals



Seas given as significant wave height, which is the average height

of the highest 1/3 of the waves. Individual waves may be more than

twice the significant wave height.



PHZ105-122345-

510 AM HST Fri Apr 12 2024



.Synopsis for the Hawaiian offshore waters...

Low pressure developing several hundred nautical miles northwest 

of the state will bring the threat of thunderstorms over the next 

several days with strong thunderstorms possible through the day. 

This low will lift northeastward late Saturday through early next 

week. Surface ridge will build eastward in its wake Monday through

Tuesday. 



$$



PHZ180-122345-

Hawaiian Offshore Waters-

510 AM HST Fri Apr 12 2024



.TODAY...NW half, SE to S winds 15 to 25 kt. SE half, E to SE 

winds 10 to 25 kt. Seas 6 to 12 ft. Scattered thunderstorms NW 

half.

.TONIGHT THROUGH SATURDAY NIGHT...NW half, SE to S winds 10 to 20

kt. SE half,E to SE winds 10 to 20 kt. Seas 6 to 10 ft. Isolated 

thunderstorms NW half.

.SUNDAY... NW half, SW to W winds 10 to 20 kt. SE half, SE to S

winds 10 to 20 kt. Seas 6 to 11 ft. Isolated thunderstorms.

.MONDAY...NW waters NW to N winds 10 to 20 kt. SE half, variable

winds 5 to 15 kt. Seas 6 to 14 ft. Isolated thunderstorms.

.TUESDAY...NW half, N winds 10 to 15 kt. SE half, variable winds 5

to 10 knots.. Seas 6 to 11 ft.



$$

####018002790####
FZHW61 PHFO 121510

OFFN10



NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS

NATIONAL WEATHER SERVICE HONOLULU HI

510 AM HST FRI APR 12 2024



...Please refer to Coastal Waters Forecasts available through

NOAA Weather Radio and other means for detailed coastal

forecasts...



.Synopsis...Low pressure developing several hundred nautical

miles northwest of the state will bring the threat of

thunderstorms over the next several days with strong

thunderstorms possible through the day. This low will lift

northeastward late Saturday through early next week. Surface

ridge will build eastward in its wake Monday through Tuesday. 



$$



Hawaiian waters within 40 nautical miles including the channels-



...SEVERE THUNDERSTORM WATCH 1 UNTIL 10 AM HST THIS MORNING FOR

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

.TODAY...South winds 5 to 15 knots around Kauai. Elsewhere, 

southeast winds 15 to 25 knots. Wind waves 6 to 10 feet.

Northwest swell 2 to 3 feet. Numerous showers and scattered to

strong  thunderstorms Kauai waters. Isolated showers elsewhere.

.TONIGHT THROUGH SATURDAY NIGHT...South winds 5 to 15 knots 

increasing to 10 to 20 knots Saturday night Kauai and Oahu

waters. Elsewhere, east to southeast winds 10 to 20 knots. Wind

waves 5  to 7 feet subsiding to 3 to 5 feet Saturday night.

Northwest swell 2 to 3 feet. Numerous showers with isolated

thunderstorms Kauai  waters. Scattered showers elsewhere.

.SUNDAY...South to southeast winds 10 to 15 knots. Wind waves 4 

to 5 feet. Northwest swell 5 feet. Occasional showers. 

.SUNDAY NIGHT...West winds 10 to 15 knots around Kauai and Oahu.

South winds 10 to 15 knots elsewhere. Wind waves 3 to 4 feet. 

Northwest swell 7 feet. Scattered showers.

.MONDAY...North winds 10 to 15 knots. Variable winds 5 to

15 knots around Big Island. Wind waves 3 to 4 feet. Northwest

swell 7 to 9  feet. Scattered showers. 

.TUESDAY...Northeast winds 10 to 15 knots. Wind waves 3 feet.

Northwest swell 8 to 9 feet. Isolated showers.    



$$



Hawaiian Offshore Waters-



.TODAY...NW half, SE to S winds 15 to 25 kt. SE half, E to SE 

winds 10 to 25 kt. Seas 6 to 12 ft. Scattered thunderstorms NW 

half.

.TONIGHT THROUGH SATURDAY NIGHT...NW half, SE to S winds 10 to

20 kt. SE half,E to SE winds 10 to 20 kt. Seas 6 to 10 ft.

Isolated  thunderstorms NW half.

.SUNDAY... NW half, SW to W winds 10 to 20 kt. SE half, SE to S

winds 10 to 20 kt. Seas 6 to 11 ft. Isolated thunderstorms.

.MONDAY...NW waters NW to N winds 10 to 20 kt. SE half, variable

winds 5 to 15 kt. Seas 6 to 14 ft. Isolated thunderstorms.

.TUESDAY...NW half, N winds 10 to 15 kt. SE half, variable winds

5 to 10 knots.. Seas 6 to 11 ft.  



$$