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000
FZHW50 PHFO 121902
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
902 AM HST Fri Apr 12 2024

Hawaiian coastal waters within 40 nautical miles including the
Hawaiian Islands Humpback Whale National Marine Sanctuary.

PHZ100-130730-
902 AM HST Fri Apr 12 2024

.Synopsis for Hawaiian coastal waters...
Low pressure centered about 675 nm northwest of the state will
produce fresh to strong southeast winds and a threat of
thunderstorms over around Kauai and Oahu into tonight. The low
will remain to the northwest during the weekend, bringing moderate
to fresh southeast to south winds and a continued threat of heavy
rainfall over the western half of the island chain. On Monday and
Tuesday the weakening low will move east and push a surface
trough over the state.

$$

PHZ110-130730-
Kauai Northwest Waters-
902 AM HST Fri Apr 12 2024

.REST OF TODAY...Southeast winds 20 knots. Wind waves to 5 feet.
North swell 4 feet. Occasional heavy showers with a chance of
thunderstorms.
.TONIGHT...South winds 20 knots. Wind waves to 6 feet. Northwest
swell 4 feet. Occasional heavy showers with a slight chance of
thunderstorms.
.SATURDAY...South winds 15 knots. Wind waves to 5 feet. West
swell 4 feet. Showers likely with a slight chance of
thunderstorms.
.SATURDAY NIGHT...Southwest winds 15 knots. Wind waves to 5 feet.
Northwest swell 5 feet. Occasional showers. Isolated
thunderstorms after midnight.
.SUNDAY...West winds 15 knots. Wind waves to 5 feet. Northwest
swell 5 feet. Occasional showers.
.SUNDAY NIGHT...West winds 10 knots. Wind waves to 4 feet.
Northwest swell 6 feet. Scattered showers.
.MONDAY...Northwest winds 15 knots. Wind waves 3 to 4 feet.
Northwest swell 7 to 8 feet. Isolated showers.
.TUESDAY...North winds 15 knots. Wind waves around 3 feet. North
swell 7 to 8 feet. Isolated showers.

Winds and seas higher in and near tstms.

$$

PHZ111-130730-
Kauai Windward Waters-
902 AM HST Fri Apr 12 2024

.REST OF TODAY...Southeast winds 20 knots. Wind waves to 6 feet.
North swell 3 feet. Occasional heavy showers with a chance of
thunderstorms.
.TONIGHT...South winds 15 knots. Wind waves to 6 feet. Northwest
swell 3 feet. Heavy showers likely in the evening. A slight
chance of thunderstorms. Scattered showers after midnight.
.SATURDAY...South winds 15 knots. Wind waves to 5 feet. Northwest
swell 4 feet. Scattered showers.
.SATURDAY NIGHT...South winds 15 knots. Wind waves to 5 feet.
Northwest swell 4 feet. Occasional showers.
.SUNDAY...Southwest winds 15 knots. Wind waves to 5 feet.
Northwest swell 5 feet. Occasional showers.
.SUNDAY NIGHT...West winds 10 knots. Wind waves to 5 feet.
Northwest swell 6 feet. Scattered showers.
.MONDAY...Northwest winds 15 knots. Wind waves 3 to 4 feet.
Northwest swell 7 to 8 feet. Scattered showers.
.TUESDAY...North winds 15 knots. Wind waves around 3 feet. North
swell 7 to 8 feet. Isolated showers.

Winds and seas higher in and near tstms.

$$

PHZ112-130730-
Kauai Leeward Waters-
902 AM HST Fri Apr 12 2024

.REST OF TODAY...Southeast winds 20 knots. Wind waves to 5 feet.
North swell 4 feet. Occasional heavy showers with a chance of
thunderstorms.
.TONIGHT...South winds 20 knots. Wind waves to 5 feet. Northwest
swell 4 feet. Heavy showers likely in the evening. A slight
chance of thunderstorms. Scattered heavy showers after midnight.
.SATURDAY...South winds 15 knots. Wind waves to 5 feet. Northwest
swell 4 feet. Scattered showers with a slight chance of
thunderstorms.
.SATURDAY NIGHT...South winds 15 knots. Wind waves to 4 feet.
Northwest swell 5 feet. Occasional showers.
.SUNDAY...Southwest winds 15 knots. Wind waves to 4 feet.
Northwest swell 5 feet. Occasional showers.
.SUNDAY NIGHT...West winds 10 knots. Wind waves to 4 feet.
Northwest swell 6 feet. Scattered showers.
.MONDAY...Northwest winds 15 knots. Wind waves around 3 feet.
Northwest swell 7 to 8 feet. Isolated showers.
.TUESDAY...North winds 15 knots. Wind waves around 2 feet or
less. North swell 7 to 8 feet. Isolated showers.

Winds and seas higher in and near tstms.

$$

PHZ113-130730-
Kauai Channel-
902 AM HST Fri Apr 12 2024

.REST OF TODAY...Southeast winds 15 knots. Wind waves to 6 feet.
North swell 3 feet. Scattered heavy showers. A chance of
thunderstorms. Numerous heavy showers this afternoon. Some
thunderstorms may be severe.
.TONIGHT...South winds 15 knots. Wind waves to 6 feet. North
swell 3 feet. A slight chance of thunderstorms in the evening.
Scattered showers.
.SATURDAY...South winds 10 knots. Wind waves to 5 feet. Northwest
swell 3 feet. Scattered showers.
.SATURDAY NIGHT...South winds 15 knots. Wind waves to 4 feet.
Northwest swell 4 feet. Scattered showers in the evening, then
showers likely after midnight.
.SUNDAY...Southwest winds 15 knots. Wind waves to 5 feet.
Northwest swell 4 feet. Occasional showers.
.SUNDAY NIGHT...West winds 10 knots. Wind waves to 5 feet.
Northwest swell 5 feet. Showers likely.
.MONDAY...Northwest winds 15 knots. Wind waves 3 to 4 feet.
Northwest swell 6 to 7 feet. Scattered showers.
.TUESDAY...North winds 15 knots. Wind waves around 3 feet. North
swell 7 feet. Isolated showers.

Winds and seas higher in and near tstms.

$$

PHZ114-130730-
Oahu Windward Waters-
902 AM HST Fri Apr 12 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...East winds 20 knots. Wind waves to 7 feet. North
swell 3 feet. Scattered showers with a chance of thunderstorms.
.TONIGHT...Southeast winds 20 knots. Wind waves to 6 feet.
Northwest swell 3 feet. Scattered showers, mainly in the evening.
.SATURDAY...Southeast winds 15 knots. Wind waves to 5 feet.
Northwest swell 4 feet. Isolated showers in the morning, then
scattered showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves to 5 feet.
Northwest swell 4 feet. Scattered showers in the evening, then
showers likely after midnight.
.SUNDAY...South winds 15 knots. Wind waves to 5 feet. Northwest
swell 4 feet. Occasional showers.
.SUNDAY NIGHT...Southwest winds 15 knots. Wind waves to 5 feet.
Northwest swell 5 feet. Occasional showers.
.MONDAY...Northwest winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 7 feet. Scattered showers.
.TUESDAY...North winds 10 knots. Wind waves around 3 feet. North
swell 7 feet. Scattered showers.

Winds and seas higher in and near tstms.

$$

PHZ115-130730-
Oahu Leeward Waters-
902 AM HST Fri Apr 12 2024

.REST OF TODAY...Southeast winds 15 knots. Wind waves to 5 feet.
Northwest swell 3 feet. Scattered showers with a chance of
thunderstorms.
.TONIGHT...Southeast winds 15 knots. Wind waves to 5 feet.
Isolated showers.
.SATURDAY...South winds 10 knots. Wind waves to 4 feet. West
swell 3 feet. Isolated showers.
.SATURDAY NIGHT...South winds 10 knots. Wind waves to 3 feet.
West swell 3 feet. Scattered showers.
.SUNDAY...South winds 15 knots. Wind waves to 4 feet. Northwest
swell 3 feet. Showers likely.
.SUNDAY NIGHT...Southwest winds 15 knots. Wind waves to 4 feet.
Northwest swell 4 feet. Showers likely.
.MONDAY...Northwest winds 10 knots. Wind waves around 3 feet.
Northwest swell 5 to 6 feet. Scattered showers.
.TUESDAY...North winds 10 knots. Wind waves around 2 feet or
less. Northwest swell 6 feet. Isolated showers.

Winds and seas higher in and near tstms.

$$

PHZ116-130730-
Kaiwi Channel-
902 AM HST Fri Apr 12 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...East winds 20 knots. Wind waves to 7 feet. North
swell 3 feet. Isolated showers. A chance of thunderstorms.
Scattered showers this afternoon.
.TONIGHT...Southeast winds 20 knots. Wind waves to 6 feet.
Isolated showers.
.SATURDAY...Southeast winds 15 knots. Wind waves to 5 feet.
Northwest swell 3 feet. Isolated showers.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves to 5 feet.
Northwest swell 3 feet. Scattered showers.
.SUNDAY...South winds 15 knots. Wind waves to 4 feet. Northwest
swell 4 feet. Showers likely.
.SUNDAY NIGHT...Southwest winds 15 knots. Wind waves to 4 feet.
Northwest swell 5 feet. Showers likely.
.MONDAY...West winds 15 knots, becoming variable less than
10 knots. Wind waves 3 to 4 feet. Northwest swell 6 feet. Showers
likely.
.TUESDAY...North winds 10 knots. Wind waves around 3 feet.
Northwest swell 6 feet. Isolated showers.

Winds and seas higher in and near tstms.

$$

PHZ117-130730-
Maui County Windward Waters-
902 AM HST Fri Apr 12 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...East winds to 25 knots. Wind waves to 7 feet.
North swell 3 feet. Isolated showers.
.TONIGHT...Southeast winds to 25 knots. Wind waves to 6 feet.
Isolated showers.
.SATURDAY...Southeast winds 20 knots. Wind waves to 6 feet.
Northwest swell 3 feet. Isolated showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 20 knots. Wind waves to 5 feet.
Northwest swell 3 feet. Isolated showers in the evening.
Scattered showers after midnight.
.SUNDAY...Southeast winds 15 knots. Wind waves to 5 feet.
Northwest swell 4 feet. Scattered showers.
.SUNDAY NIGHT...South winds 20 knots. Wind waves to 5 feet.
Northwest swell 5 feet. Scattered showers.
.MONDAY...Southwest winds 15 knots, veering to northwest. Wind
waves 3 to 4 feet. Northwest swell 6 feet. Scattered showers.
.TUESDAY...North winds 10 knots, becoming variable less than
10 knots. Wind waves around 3 feet. Northwest swell 6 feet.
Scattered showers.

$$

PHZ118-130730-
Maui County Leeward Waters-
902 AM HST Fri Apr 12 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...East winds 20 knots. Wind waves to 7 feet. A
chance of thunderstorms. Isolated showers.
.TONIGHT...Southeast winds 20 knots. Wind waves to 6 feet.
Isolated showers.
.SATURDAY...East winds 10 knots, veering to west in the
afternoon. Wind waves to 4 feet. Isolated showers.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves to 3 feet.
Northwest swell 3 feet. Scattered showers.
.SUNDAY...South winds 15 knots. Wind waves to 3 feet. Northwest
swell 3 feet. Scattered showers.
.SUNDAY NIGHT...South winds 15 knots. Wind waves to 3 feet.
Northwest swell 4 feet. Scattered showers in the evening, then
showers likely after midnight.
.MONDAY...Southwest winds 15 knots, veering to northwest. Wind
waves around 3 feet. Northwest swell 4 to 5 feet. Scattered
showers.
.TUESDAY...Winds variable less than 10 knots, becoming north
10 knots in the afternoon and evening, then  veering to northeast
after midnight. Wind waves around 2 feet or less. Northwest swell
5 feet. Isolated showers.

Winds and seas higher in and near tstms.

$$

PHZ119-130730-
Maalaea Bay-
902 AM HST Fri Apr 12 2024

.REST OF TODAY...Winds variable less than 10 knots, becoming east
10 knots this afternoon. Wind waves to 2 feet or less. Isolated
showers.
.TONIGHT...Winds variable less than 10 knots. Wind waves to
2 feet or less.
.SATURDAY...Winds variable less than 10 knots, becoming southwest
10 knots in the afternoon. Wind waves to 2 feet or less. Isolated
showers in the afternoon.
.SATURDAY NIGHT...Winds variable less than 10 knots. Wind waves
to 2 feet or less. Isolated showers.
.SUNDAY...Winds variable less than 10 knots. Wind waves to 2 feet
or less. Scattered showers.
.SUNDAY NIGHT...Winds variable less than 10 knots, becoming south
10 knots after midnight. Wind waves to 2 feet or less. Scattered
showers.
.MONDAY...Southwest winds 10 knots, becoming variable less than
10 knots. Wind waves around 2 feet or less. Scattered showers.
.TUESDAY...Winds variable less than 10 knots. Wind waves around
2 feet or less.

$$

PHZ120-130730-
Pailolo Channel-
902 AM HST Fri Apr 12 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...East winds to 25 knots. Wind waves to 7 feet.
Isolated showers.
.TONIGHT...East winds to 25 knots, becoming north 15 knots after
midnight. Wind waves to 6 feet.
.SATURDAY...Northeast winds 15 knots. Wind waves to 5 feet.
Isolated showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 knots in the evening,
becoming variable less than 10 knots. Wind waves to 4 feet.
Scattered showers.
.SUNDAY...South winds 10 knots. Wind waves to 4 feet. Scattered
showers in the morning, then showers likely in the afternoon.
.SUNDAY NIGHT...South winds 15 knots. Wind waves to 3 feet.
Northwest swell 3 feet. Showers likely.
.MONDAY...Southwest winds 15 knots, becoming variable less than
10 knots. Wind waves around 3 feet. Northwest swell 4 feet.
Showers likely.
.TUESDAY...Winds variable less than 10 knots, becoming north
10 knots in the afternoon and evening, then becoming variable
less than 10 knots after midnight. Wind waves around 2 feet or
less. Northwest swell 5 feet. Isolated showers.

$$

PHZ121-130730-
Alenuihaha Channel-
902 AM HST Fri Apr 12 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...East winds to 25 knots. Wind waves to 8 feet.
Isolated showers.
.TONIGHT...East winds to 25 knots. Wind waves to 6 feet. Isolated
showers.
.SATURDAY...East winds 20 knots. Wind waves to 5 feet. Isolated
showers in the afternoon.
.SATURDAY NIGHT...East winds 20 knots. Wind waves to 5 feet.
Northwest swell 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.SUNDAY...South winds 15 knots. Wind waves to 5 feet. Northwest
swell 3 feet. Scattered showers.
.SUNDAY NIGHT...South winds 15 knots. Wind waves to 4 feet.
Northwest swell 4 feet. Scattered showers.
.MONDAY...Southwest winds 15 knots, veering to west after
midnight. Wind waves around 3 feet. Northwest swell 4 to 5 feet.
Scattered showers.
.TUESDAY...Northwest winds 10 knots, veering to northeast. Wind
waves around 3 feet. Northwest swell 6 feet. Isolated showers.

$$

PHZ122-130730-
Big Island Windward Waters-
902 AM HST Fri Apr 12 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...East winds to 25 knots. Wind waves to 6 feet.
Isolated showers.
.TONIGHT...East winds to 25 knots. Wind waves to 6 feet. Isolated
showers.
.SATURDAY...East winds to 25 knots. Wind waves to 5 feet.
.SATURDAY NIGHT...Southeast winds 20 knots. Wind waves to 5 feet.
North swell 3 feet. Isolated showers after midnight.
.SUNDAY...Southeast winds 20 knots. Wind waves to 5 feet.
Northwest swell 3 feet. Isolated showers in the morning.
Scattered showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 15 knots. Wind waves to 4 feet.
Northwest swell 4 feet. Isolated showers.
.MONDAY...South winds 15 knots, veering to southwest after
midnight. Wind waves 3 to 4 feet. Northwest swell 5 feet.
Isolated showers.
.TUESDAY...North winds 10 knots, veering to northeast. Wind waves
around 3 feet. Northwest swell 6 feet. Isolated showers.

$$

PHZ123-130730-
Big Island Leeward Waters-
902 AM HST Fri Apr 12 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...Northwest winds 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves to 8 feet.
Isolated showers.
.TONIGHT...Northwest winds 10 knots west of the Big Island...east
to 25 knots near South Point. Wind waves to 7 feet. Isolated
showers.
.SATURDAY...West of the Big Island, winds variable less than
10 knots, becoming west 10 knots in the afternoon. Near South
Point, east winds 20 knots. Wind waves to 5 feet. Isolated
showers in the afternoon.
.SATURDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves to
5 feet. Northwest swell 3 feet. Isolated showers.
.SUNDAY...West of the Big Island, winds variable less than
10 knots, becoming south 10 knots in the afternoon. Near South
Point, east winds 15 knots. Wind waves to 5 feet. Northwest swell
3 feet. Scattered showers.
.SUNDAY NIGHT...Winds south winds 15 knots. Wind waves to 4 feet.
Northwest swell 3 feet. Scattered showers.
.MONDAY...South winds 15 knots, veering to southwest in the
evening, then becoming variable less than 10 knots after
midnight. Wind waves around 3 feet. Northwest swell 4 feet.
Scattered showers.
.TUESDAY...North winds 10 knots. Wind waves around 2 feet or
less. Northwest swell 4 feet. Scattered showers.

$$

PHZ124-130730-
Big Island Southeast Waters-
902 AM HST Fri Apr 12 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...East winds 20 knots. Wind waves to 7 feet.
Isolated showers.
.TONIGHT...East winds to 25 knots. Wind waves to 7 feet. Isolated
showers.
.SATURDAY...East winds 20 knots. Wind waves to 5 feet.
.SATURDAY NIGHT...East winds 20 knots. Wind waves to 5 feet.
Northwest swell 3 feet. Isolated showers.
.SUNDAY...East winds 15 knots. Wind waves to 5 feet. Northwest
swell 3 feet. Isolated showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 15 knots. Wind waves to 4 feet.
Northwest swell 3 feet. Isolated showers.
.MONDAY...South winds 10 knots, veering to southwest. Wind waves
around 3 feet. Northwest swell 4 feet. Isolated showers.
.TUESDAY...West winds 10 knots, veering to north in the evening,
then becoming variable less than 10 knots after midnight. Wind
waves around 3 feet. Northwest swell 4 feet. Isolated showers.

$$