Coastal Waters Forecast
Issued by NWS Honolulu, HI

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000
FZHW50 PHFO 130131
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
331 PM HST Fri Apr 12 2024

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

PHZ100-131445-
331 PM HST Fri Apr 12 2024

.Synopsis for Hawaiian coastal waters...
A deep surface low centered about 725 nm northwest of Kauai will
drift slowly northeast through tonight and will weaken as it
moves slowly toward the southeast Saturday and Sunday,
maintaining moderate to fresh southeast to south winds. On Monday
and Tuesday the weakening low will move east and push a surface
trough over the state. High pressure will build northwest of the
state on Wednesday.

$$

PHZ110-131445-
Kauai Northwest Waters-
331 PM HST Fri Apr 12 2024

.TONIGHT...South winds 20 knots. Wind waves to 5 feet. Showers
with a slight chance of thunderstorms.
.SATURDAY...South winds 15 knots. Wind waves to 5 feet. Numerous
showers with a slight chance of thunderstorms.
.SATURDAY NIGHT...South winds 15 knots. Wind waves to 5 feet.
Northwest swell 4 feet. Showers with a slight chance of
thunderstorms.
.SUNDAY...South winds 20 knots. Wind waves to 4 feet. Northwest
swell 5 feet. Frequent heavy showers with a slight chance of
thunderstorms.
.SUNDAY NIGHT...West winds 15 knots. Wind waves to 4 feet.
Northwest swell 6 feet. Scattered showers.
.MONDAY...Northwest winds 15 knots. Wind waves to 4 feet.
Northwest swell 7 feet. Isolated showers.
.MONDAY NIGHT...Northwest winds 10 knots. Wind waves to 4 feet.
Northwest swell 8 feet. Isolated showers.
.TUESDAY...North winds 15 knots. Wind waves around 3 feet. North
swell 7 to 8 feet. Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 3 to 4 feet.
North swell 7 feet. Scattered showers.

Winds and seas higher in and near tstms.

$$

PHZ111-131445-
Kauai Windward Waters-
331 PM HST Fri Apr 12 2024

.TONIGHT...South winds 20 knots. Wind waves to 6 feet. Numerous
showers, mainly this evening.
.SATURDAY...South winds 15 knots. Wind waves to 5 feet. Scattered
showers. A slight chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves to 5 feet.
Northwest swell 4 feet. A slight chance of thunderstorms in the
evening. Showers.
.SUNDAY...South winds 20 knots. Wind waves to 5 feet. Northwest
swell 5 feet. Frequent heavy showers with a slight chance of
thunderstorms.
.SUNDAY NIGHT...Southwest winds 15 knots. Wind waves to 4 feet.
Northwest swell 5 feet. Numerous showers with a slight chance of
thunderstorms in the evening, then scattered showers after
midnight.
.MONDAY...West winds 15 knots. Wind waves to 4 feet. Northwest
swell 7 feet. Scattered showers, mainly in the morning.
.MONDAY NIGHT...Northwest winds 15 knots. Wind waves to 4 feet.
Northwest swell 8 feet. Isolated showers.
.TUESDAY...North winds 15 knots. Wind waves around 3 feet. North
swell 7 to 8 feet. Isolated showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 3 to 4 feet.
North swell 6 to 7 feet. Scattered showers.

Winds and seas higher in and near tstms.

$$

PHZ112-131445-
Kauai Leeward Waters-
331 PM HST Fri Apr 12 2024

.TONIGHT...South winds 20 knots. Wind waves to 5 feet. Numerous
showers this evening. A slight chance of thunderstorms. Scattered
showers after midnight.
.SATURDAY...South winds 15 knots. Wind waves to 5 feet. Scattered
showers. A slight chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 15 knots. Wind waves to 4 feet.
Northwest swell 4 feet. Showers with a slight chance of
thunderstorms.
.SUNDAY...South winds 20 knots. Wind waves to 4 feet. Northwest
swell 5 feet. Frequent heavy showers with a slight chance of
thunderstorms.
.SUNDAY NIGHT...West winds 10 knots. Wind waves to 4 feet.
Northwest swell 6 feet. Numerous showers with a slight chance of
thunderstorms in the evening, then scattered showers after
midnight.
.MONDAY...Northwest winds 15 knots. Wind waves to 3 feet.
Northwest swell 7 feet. Scattered showers, mainly in the morning.
.MONDAY NIGHT...North winds 15 knots. Wind waves to 3 feet.
Northwest swell 8 feet. Isolated showers after midnight.
.TUESDAY...North winds 15 knots. Wind waves around 3 feet. North
swell 7 to 8 feet.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 3 to 4 feet.
North swell 6 to 7 feet. Isolated showers.

Winds and seas higher in and near tstms.

$$

PHZ113-131445-
Kauai Channel-
331 PM HST Fri Apr 12 2024

.TONIGHT...South winds 15 knots. Wind waves to 5 feet. Scattered
showers.
.SATURDAY...South winds 15 knots. Wind waves to 5 feet. Scattered
showers.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves to 4 feet.
Northwest swell 4 feet. Scattered showers in the evening, then
numerous showers after midnight.
.SUNDAY...South winds 20 knots. Wind waves to 4 feet. Northwest
swell 4 feet. Frequent heavy showers with a slight chance of
thunderstorms.
.SUNDAY NIGHT...Southwest winds 20 knots. Wind waves to 4 feet.
Northwest swell 5 feet. Showers with a slight chance of
thunderstorms.
.MONDAY...West winds 15 knots. Wind waves to 4 feet. Northwest
swell 6 feet. Scattered showers.
.MONDAY NIGHT...Northwest winds 10 knots. Wind waves to 3 feet.
Northwest swell 7 feet. Isolated showers.
.TUESDAY...North winds 15 knots. Wind waves around 3 feet. North
swell 7 feet.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 3 to 4 feet.
North swell 6 feet. Isolated showers.

Winds and seas higher in and near tstms.

$$

PHZ114-131445-
Oahu Windward Waters-
331 PM HST Fri Apr 12 2024

.TONIGHT...Southeast winds 15 knots. Wind waves to 7 feet.
Scattered showers, mainly this evening.
.SATURDAY...Southeast winds 15 knots. Wind waves to 6 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
numerous showers after midnight.
.SUNDAY...South winds 20 knots. Wind waves to 5 feet. Northwest
swell 4 feet. Showers. A slight chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...South winds 20 knots. Wind waves to 5 feet.
Northwest swell 5 feet. Showers with a slight chance of
thunderstorms.
.MONDAY...West winds 10 knots. Wind waves to 4 feet. Northwest
swell 6 feet. Numerous showers, mainly in the morning.
.MONDAY NIGHT...Northwest winds 10 knots. Wind waves to 4 feet.
Northwest swell 7 feet. Isolated showers in the evening, then
scattered showers after midnight.
.TUESDAY...North winds 10 knots. Wind waves around 3 feet. North
swell 7 feet. Isolated showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves around 3 feet.
North swell 6 to 7 feet. Scattered showers.

Winds and seas higher in and near tstms.

$$

PHZ115-131445-
Oahu Leeward Waters-
331 PM HST Fri Apr 12 2024

.TONIGHT...South winds 15 knots. Wind waves to 5 feet. Isolated
showers.
.SATURDAY...Southwest winds 10 knots. Wind waves to 4 feet.
Isolated showers.
.SATURDAY NIGHT...Winds variable less than 10 knots, becoming
southeast 10 knots after midnight. Wind waves to 4 feet. West
swell 3 feet. Scattered showers.
.SUNDAY...South winds 20 knots. Wind waves to 4 feet. Northwest
swell 3 feet. Numerous showers.
.SUNDAY NIGHT...South winds 15 knots. Wind waves to 4 feet.
Northwest swell 4 feet. Showers with a slight chance of
thunderstorms.
.MONDAY...West winds 10 knots. Wind waves to 3 feet. Northwest
swell 5 feet. Showers, mainly in the morning.
.MONDAY NIGHT...Northwest winds 10 knots. Wind waves to 2 feet or
less. Northwest swell 6 feet. Scattered showers, mainly in the
evening.
.TUESDAY...North winds 10 knots. Wind waves around 2 feet or
less. Northwest swell 6 feet. Isolated showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 3 to 4 feet.
North swell 6 feet. Isolated showers.

Winds and seas higher in and near tstms.

$$

PHZ116-131445-
Kaiwi Channel-
331 PM HST Fri Apr 12 2024

.TONIGHT...South winds 15 knots. Wind waves to 7 feet. Isolated
showers.
.SATURDAY...Northwest winds 10 knots, veering to northeast in the
afternoon. Wind waves to 5 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. Scattered showers in the morning, then numerous
showers in the afternoon.
.SUNDAY NIGHT...South winds 15 knots. Wind waves to 5 feet.
Northwest swell 4 feet. Showers with a slight chance of
thunderstorms.
.MONDAY...West winds 15 knots. Wind waves to 4 feet. Northwest
swell 5 feet. Showers.
.MONDAY NIGHT...Northwest winds 10 knots in the evening, becoming
variable less than 10 knots. Wind waves to 3 feet. Northwest
swell 6 feet. Scattered showers.
.TUESDAY...North winds 10 knots. Wind waves around 3 feet.
Northwest swell 6 feet. Isolated showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves around 2 feet
or less. North swell 6 feet. Isolated showers.

Winds and seas higher in and near tstms.

$$

PHZ117-131445-
Maui County Windward Waters-
331 PM HST Fri Apr 12 2024

.TONIGHT...Southeast winds 20 knots. Wind waves to 7 feet.
Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves to 6 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 20 knots. Wind waves to 5 feet.
Northwest swell 4 feet. Scattered showers.
.SUNDAY NIGHT...Southeast winds 15 knots. Wind waves to 5 feet.
Northwest swell 4 feet. Showers with a slight chance of
thunderstorms.
.MONDAY...Southwest winds 15 knots. Wind waves to 4 feet.
Northwest swell 5 feet. Showers.
.MONDAY NIGHT...Northwest winds 10 knots. Wind waves to 4 feet.
Northwest swell 6 feet. Numerous showers, mainly in the evening.
.TUESDAY...North winds 10 knots, becoming variable less than
10 knots. Wind waves around 3 feet. Northwest swell 6 feet.
Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots, becoming
northeast 10 knots. Wind waves around 2 feet or less. North swell
6 feet. Scattered showers.

Winds and seas higher in and near tstms.

$$

PHZ118-131445-
Maui County Leeward Waters-
331 PM HST Fri Apr 12 2024

.TONIGHT...Southeast winds 20 knots. Wind waves to 6 feet.
Isolated showers.
.SATURDAY...North winds 15 knots, backing to northwest in the
afternoon. Wind waves to 5 feet. Isolated showers.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves to 4 feet.
Northwest swell 3 feet. Scattered showers.
.SUNDAY...South winds 15 knots. Wind waves to 4 feet. Northwest
swell 3 feet. Scattered showers.
.SUNDAY NIGHT...South winds 15 knots. Wind waves to 4 feet.
Northwest swell 3 feet. Numerous showers. A slight chance of
thunderstorms after midnight.
.MONDAY...Southwest winds 15 knots. Wind waves to 4 feet.
Northwest swell 4 feet. Showers.
.MONDAY NIGHT...Northwest winds 10 knots. Wind waves to 3 feet.
Northwest swell 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.
.WEDNESDAY...Northeast winds 15 knots. Wind waves around 2 feet
or less. North swell 5 feet. Isolated showers.

Winds and seas higher in and near tstms.

$$

PHZ119-131445-
Maalaea Bay-
331 PM HST Fri Apr 12 2024

.TONIGHT...West winds 10 knots. Wind waves to 2 feet or less.
.SATURDAY...Southwest winds 15 knots. Wind waves to 2 feet or
less. Isolated showers in the afternoon.
.SATURDAY NIGHT...West winds 10 knots. Wind waves to 2 feet or
less. Isolated showers.
.SUNDAY...Winds variable less than 10 knots, becoming southwest
10 knots in the afternoon. Wind waves to 2 feet or less. Isolated
showers in the morning, then scattered showers in the afternoon.
.SUNDAY NIGHT...West winds 10 knots. Wind waves to 2 feet or
less. Scattered showers.
.MONDAY...Southwest winds 10 knots. Wind waves to 2 feet or less.
Showers.
.MONDAY NIGHT...Winds variable less than 10 knots. Wind waves to
2 feet or less. Scattered showers.
.TUESDAY...Winds variable less than 10 knots. Wind waves around
2 feet or less.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves around
2 feet or less.

$$

PHZ120-131445-
Pailolo Channel-
331 PM HST Fri Apr 12 2024

.TONIGHT...Northeast winds 20 knots. Wind waves to 6 feet.
.SATURDAY...Northeast winds 10 knots, becoming east 20 knots in
the afternoon. Wind waves to 5 feet. Isolated showers in the
afternoon.
.SATURDAY NIGHT...East winds 15 knots. Wind waves to 5 feet.
Scattered showers.
.SUNDAY...Winds variable less than 10 knots, becoming west
10 knots in the afternoon. Wind waves to 4 feet. Scattered
showers in the morning, then numerous showers in the afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots, becoming south
10 knots after midnight. Wind waves to 3 feet. Northwest swell
3 feet. Numerous showers.
.MONDAY...Southwest winds 15 knots. Wind waves to 3 feet.
Northwest swell 3 feet. Showers.
.MONDAY NIGHT...Winds variable less than 10 knots. Wind waves to
3 feet. Northwest swell 4 feet. Scattered showers.
.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.
.WEDNESDAY...Winds variable less than 10 knots, becoming
northeast 10 knots. Wind waves around 2 feet or less. Northwest
swell 5 to 6 feet. Isolated showers.

$$

PHZ121-131445-
Alenuihaha Channel-
331 PM HST Fri Apr 12 2024

.TONIGHT...East winds 20 knots. Wind waves to 7 feet. Isolated
showers.
.SATURDAY...East winds 20 knots. Wind waves to 6 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...East winds 20 knots, backing to northwest in the
afternoon. Wind waves to 5 feet. Northwest swell 3 feet.
Scattered showers.
.SUNDAY NIGHT...Southwest winds 15 knots, backing to southeast
after midnight. Wind waves to 4 feet. Northwest swell 3 feet.
Scattered showers.
.MONDAY...Southwest winds 15 knots. Wind waves to 4 feet.
Northwest swell 4 feet. Numerous showers.
.MONDAY NIGHT...West winds 15 knots. Wind waves to 4 feet.
Northwest swell 5 feet. Numerous showers, mainly in the evening.
.TUESDAY...Northwest winds 10 knots, veering to northeast. Wind
waves around 3 feet. Northwest swell 6 feet. Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 3 to 4 feet.
Northwest swell 5 to 6 feet. Isolated showers.

$$

PHZ122-131445-
Big Island Windward Waters-
331 PM HST Fri Apr 12 2024

.TONIGHT...East winds 20 knots. Wind waves to 6 feet. Isolated
showers.
.SATURDAY...East winds 20 knots. Wind waves to 6 feet.
.SATURDAY NIGHT...East winds 20 knots. Wind waves to 5 feet.
North swell 3 feet.
.SUNDAY...Southeast winds 20 knots. Wind waves to 5 feet.
Northwest swell 3 feet. Scattered showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 15 knots. Wind waves to 5 feet.
Northwest swell 4 feet. Scattered showers, mainly in the evening.
.MONDAY...South winds 15 knots. Wind waves to 4 feet. Northwest
swell 4 feet. Scattered showers.
.MONDAY NIGHT...Southwest winds 15 knots. Wind waves to 4 feet.
Northwest swell 5 feet. Scattered showers.
.TUESDAY...North winds 10 knots, veering to northeast. Wind waves
around 3 feet. Northwest swell 6 feet. Isolated showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves around 2 feet
or less. North swell 6 feet. Scattered showers.

$$

PHZ123-131445-
Big Island Leeward Waters-
331 PM HST Fri Apr 12 2024

.TONIGHT...West of the Big Island, northwest winds 10 knots,
backing to west after midnight. Near South Point, east winds
20 knots. Wind waves to 7 feet. Isolated showers.
.SATURDAY...West winds 10 knots west of the Big Island...east
20 knots near South Point. Wind waves to 6 feet. Isolated showers
in the afternoon.
.SATURDAY NIGHT...West of the Big Island, northwest winds
10 knots in the evening, becoming variable less than 10 knots.
Near South Point, east winds 20 knots. Wind waves to 5 feet.
Northwest swell 3 feet. Isolated showers.
.SUNDAY...West of the Big Island, winds variable less than
10 knots, becoming northwest 10 knots in the afternoon. Near
South Point, east winds 20 knots. Wind waves to 5 feet. Northwest
swell 3 feet. Isolated showers in the morning, then scattered
showers in the afternoon.
.SUNDAY NIGHT...West of the Big Island, winds variable less than
10 knots, becoming south 10 knots after midnight. Near South
Point, east winds 15 knots. Wind waves to 4 feet. Northwest swell
3 feet. Scattered showers, mainly in the evening.
.MONDAY...South winds 15 knots. Wind waves to 4 feet. Northwest
swell 4 feet. Scattered showers.
.MONDAY NIGHT...Southwest winds 10 knots in the evening, becoming
variable less than 10 knots. Wind waves to 3 feet. Northwest
swell 4 feet. Scattered showers.
.TUESDAY...North winds 10 knots. Wind waves around 3 feet.
Northwest swell 4 feet. Isolated showers.
.WEDNESDAY...West of the Big Island, winds variable less than
10 knots. Near Kawaihae, northeast winds 10 knots, rising to
15 knots. Wind waves around 2 feet or less. Northwest swell 3 to
4 feet. Isolated showers.

$$

PHZ124-131445-
Big Island Southeast Waters-
331 PM HST Fri Apr 12 2024

.TONIGHT...East winds 20 knots. Wind waves to 6 feet. Isolated
showers.
.SATURDAY...East winds 20 knots. Wind waves to 6 feet.
.SATURDAY NIGHT...East winds 20 knots. Wind waves to 5 feet.
Northwest swell 3 feet. Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves to 5 feet. Northwest
swell 3 feet. Isolated showers in the afternoon.
.SUNDAY NIGHT...East winds 15 knots. Wind waves to 4 feet.
Northwest swell 3 feet. Isolated showers.
.MONDAY...South winds 10 knots. Wind waves to 3 feet. Northwest
swell 4 feet. Scattered showers, mainly in the morning.
.MONDAY NIGHT...Southwest winds 10 knots. Wind waves to 3 feet.
Northwest swell 4 feet. Scattered showers, mainly in the evening.
.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.
.WEDNESDAY...Winds variable less than 10 knots, becoming
northeast 10 knots. Wind waves around 2 feet or less. Northwest
swell 4 feet. Isolated showers.

$$


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