National Weather Service Marine Forecast FZHW50 PHFO

FZHW50 PHFO 010120
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
320 PM HST Fri Mar 31 2023

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

PHZ100-011345-
320 PM HST Fri Mar 31 2023

Synopsis for Hawaiian coastal waters

A trough of low pressure will linger west of the state during the
next couple days, then shift slowly westward Sunday through early
next week. As the trough moves west, the trade winds will fill in
across the marine area, with the strongest winds remaining over
the eastern end of the state.


PHZ110-011345-
Kauai Northwest Waters-
320 PM HST Fri Mar 31 2023

TONIGHT
Southeast winds 15 knots. Wind waves to 4 feet.
Northwest swell 3 feet and northeast 3 feet. Scattered showers
with a slight chance of thunderstorms.

SATURDAY
Southeast winds 15 knots. Wind waves to 4 feet.
Northwest swell 3 feet and northeast 3 feet. Scattered showers
with a slight chance of thunderstorms.

SATURDAY NIGHT
East winds 15 knots. Wind waves to 4 feet.
Swell northeast 3 feet. A slight chance of thunderstorms with
isolated showers.

SUNDAY
East winds 20 knots. Wind waves to 5 feet. Swell
northeast 3 feet. Isolated showers in the morning. A slight
chance of thunderstorms. Scattered showers in the afternoon.

SUNDAY NIGHT
East winds 20 knots. Wind waves to 5 feet. Swell
east 3 feet. Scattered showers with a slight chance of
thunderstorms.

MONDAY
East winds 20 knots. Wind waves to 5 feet. Swell east
3 feet. Scattered showers.

MONDAY NIGHT
East winds 20 knots. Wind waves to 6 feet. Swell
east 3 feet. Scattered showers, mainly in the evening.

TUESDAY
East winds to 25 knots. Wind waves around 6 feet.
Swell 2 feet or less. Isolated showers.

WEDNESDAY
East winds 20 knots. Wind waves 5 to 6 feet. Swell
2 feet or less. Scattered showers. 

Winds and seas higher in and near tstms.


PHZ111-011345-
Kauai Windward Waters-
320 PM HST Fri Mar 31 2023

TONIGHT
Southeast winds 15 knots. Wind waves to 5 feet.
Northwest swell 3 feet and northeast 3 feet. Scattered showers
this evening. A slight chance of thunderstorms. Isolated showers
after midnight.

SATURDAY
Southeast winds 15 knots. Wind waves to 5 feet.
Northwest swell 3 feet and northeast 3 feet. Isolated showers in
the morning.

SATURDAY NIGHT
East winds 15 knots. Wind waves to 5 feet.
Swell northeast 3 feet. Isolated showers after midnight.

SUNDAY
East winds 15 knots. Wind waves to 5 feet. Swell
northeast 3 feet. Isolated showers in the morning, then scattered
showers with a slight chance of thunderstorms in the afternoon.

SUNDAY NIGHT
East winds 20 knots. Wind waves to 6 feet. Swell
east 3 feet. Scattered showers with a slight chance of
thunderstorms.

MONDAY
East winds 20 knots. Wind waves to 6 feet. Swell east
3 feet. Scattered showers.

MONDAY NIGHT
East winds 20 knots. Wind waves to 6 feet. Swell
east 3 feet. Scattered showers.

TUESDAY
East winds 20 knots. Wind waves 6 to 7 feet. Swell
2 feet or less. Scattered showers.

WEDNESDAY
East winds 20 knots. Wind waves around 6 feet. Swell
2 feet or less. Scattered showers. 

Winds and seas higher in and near tstms.


PHZ112-011345-
Kauai Leeward Waters-
320 PM HST Fri Mar 31 2023

TONIGHT
Southeast winds 10 knots. Wind waves to 2 feet or
less, becoming 3 feet after midnight. Mixed swell northwest
3 feet and northeast 3 feet. Scattered showers with a slight
chance of thunderstorms.

SATURDAY
Southeast winds 15 knots. Wind waves to 4 feet. Mixed
swell northwest 3 feet and northeast 3 feet. Scattered showers
with a slight chance of thunderstorms.

SATURDAY NIGHT
East winds 10 knots. Wind waves to 4 feet.
Swell northeast 3 feet. Isolated showers in the evening. A slight
chance of thunderstorms. Scattered showers after midnight.

SUNDAY
East winds 20 knots. Wind waves to 4 feet. A slight
chance of thunderstorms with isolated showers.

SUNDAY NIGHT
East winds 20 knots. Wind waves to 5 feet.
Scattered showers with a slight chance of thunderstorms.

MONDAY
East winds 20 knots. Wind waves to 5 feet. Scattered
showers.

MONDAY NIGHT
East winds 20 knots. Wind waves to 6 feet. Swell
northeast 3 feet. Scattered showers, mainly in the evening.

TUESDAY
East winds to 25 knots. Wind waves around 6 feet.
Swell 2 feet or less. Isolated showers.

WEDNESDAY
East winds 20 knots. Wind waves around 5 feet. Swell
2 feet or less. Isolated showers. 

Winds and seas higher in and near tstms.


PHZ113-011345-
Kauai Channel-
320 PM HST Fri Mar 31 2023

TONIGHT
East winds 15 knots. Wind waves to 4 feet. Northwest
swell 3 feet and northeast 3 feet. Scattered showers with a
slight chance of thunderstorms.

SATURDAY
East winds 15 knots. Wind waves to 5 feet. Northwest
swell 3 feet and northeast 3 feet. Scattered showers in the
morning. A slight chance of thunderstorms. Isolated showers in
the afternoon.

SATURDAY NIGHT
East winds 15 knots. Wind waves to 4 feet.
Swell northeast 3 feet. A slight chance of thunderstorms with
isolated showers.

SUNDAY
East winds 15 knots. Wind waves to 5 feet. Swell
northeast 3 feet. Isolated showers in the morning, then scattered
showers with a slight chance of thunderstorms in the afternoon.

SUNDAY NIGHT
East winds 20 knots. Wind waves to 5 feet. Swell
northeast 3 feet. Scattered showers with a slight chance of
thunderstorms.

MONDAY
East winds 20 knots. Wind waves to 5 feet. Swell
northeast 3 feet. Scattered showers.

MONDAY NIGHT
East winds 20 knots. Wind waves to 6 feet. Swell
northeast 3 feet. Scattered showers.

TUESDAY
East winds 20 knots. Wind waves around 6 feet. Swell
2 feet or less. Isolated showers.

WEDNESDAY
East winds 20 knots. Wind waves around 6 feet. Swell
2 feet or less. Isolated showers. 

Winds and seas higher in and near tstms.


PHZ114-011345-
Oahu Windward Waters-
320 PM HST Fri Mar 31 2023

TONIGHT
East winds 20 knots. Wind waves to 6 feet. Northwest
swell 3 feet and northeast 3 feet.

SATURDAY
East winds 15 knots. Wind waves to 6 feet. Northwest
swell 3 feet and northeast 3 feet.

SATURDAY NIGHT
East winds 20 knots. Wind waves to 6 feet.
Swell northeast 3 feet.

SUNDAY
East winds 20 knots. Wind waves to 6 feet. Swell
northeast 3 feet. Isolated showers in the morning, then scattered
showers with a slight chance of thunderstorms in the afternoon.

SUNDAY NIGHT
East winds 20 knots. Wind waves to 6 feet. Swell
northeast 3 feet. Scattered showers with a slight chance of
thunderstorms.

MONDAY
East winds 20 knots. Wind waves to 6 feet. Swell east
3 feet. Scattered showers.

MONDAY NIGHT
East winds 20 knots. Wind waves to 6 feet. Swell
east 3 feet. Scattered showers.

TUESDAY
East winds 20 knots. Wind waves 6 to 7 feet. Swell
2 feet or less. Scattered showers.

WEDNESDAY
East winds 20 knots. Wind waves around 6 feet. Swell
2 feet or less. Scattered showers. 

Winds and seas higher in and near tstms.


PHZ115-011345-
Oahu Leeward Waters-
320 PM HST Fri Mar 31 2023

TONIGHT
East winds 10 knots. Wind waves to 4 feet. Northwest
swell 3 feet and northeast 3 feet. Scattered showers.

SATURDAY
East winds 10 knots. Wind waves to 4 feet. Swell
northeast 3 feet. Isolated showers.

SATURDAY NIGHT
East winds 10 knots. Wind waves to 4 feet.
Isolated showers.

SUNDAY
East winds 15 knots. Wind waves to 3 feet. Isolated
showers in the morning, then scattered showers with a slight
chance of thunderstorms in the afternoon.

SUNDAY NIGHT
East winds 20 knots. Wind waves to 4 feet.
Scattered showers with a slight chance of thunderstorms.

MONDAY
East winds 20 knots. Wind waves to 4 feet. Scattered
showers.

MONDAY NIGHT
East winds 20 knots. Wind waves to 5 feet.
Scattered showers, mainly in the evening.

TUESDAY
East winds 20 knots. Wind waves 5 to 6 feet. Swell
2 feet or less. Isolated showers.

WEDNESDAY
East winds 20 knots. Wind waves 5 to 6 feet. Swell
2 feet or less. Isolated showers. 

Winds and seas higher in and near tstms.


PHZ116-011345-
Kaiwi Channel-
320 PM HST Fri Mar 31 2023

TONIGHT
East winds 20 knots. Wind waves to 6 feet. Northwest
swell 3 feet and northeast 3 feet. Isolated showers.

SATURDAY
East winds 15 knots. Wind waves to 6 feet. Swell
northeast 3 feet. Isolated showers in the morning.

SATURDAY NIGHT
East winds 20 knots. Wind waves to 5 feet.
Swell northeast 3 feet. Isolated showers.

SUNDAY
East winds 20 knots. Wind waves to 6 feet. Swell
northeast 3 feet. Isolated showers in the morning, then scattered
showers with a slight chance of thunderstorms in the afternoon.

SUNDAY NIGHT
East winds 20 knots. Wind waves to 6 feet. Swell
northeast 3 feet. Scattered showers with a slight chance of
thunderstorms.

MONDAY
East winds 20 knots. Wind waves to 6 feet. Swell
northeast 3 feet. Scattered showers.

MONDAY NIGHT
East winds to 25 knots. Wind waves to 6 feet.
Swell northeast 3 feet. Scattered showers, mainly in the evening.

TUESDAY
East winds to 25 knots. Wind waves 6 to 7 feet. Swell
2 feet or less. Isolated showers.

WEDNESDAY
East winds 20 knots. Wind waves 6 to 7 feet. Swell
2 feet or less. Isolated showers. 

Winds and seas higher in and near tstms.


PHZ117-011345-
Maui County Windward Waters-
320 PM HST Fri Mar 31 2023

TONIGHT
East winds 20 knots. Wind waves to 6 feet. Northwest
swell 3 feet and northeast 4 feet.

SATURDAY
East winds 20 knots. Wind waves to 6 feet. Northwest
swell 3 feet and northeast 3 feet.

SATURDAY NIGHT
East winds 20 knots. Wind waves to 6 feet.
Swell northeast 3 feet. Isolated showers after midnight.

SUNDAY
East winds to 25 knots. Wind waves to 6 feet. Swell
northeast 3 feet. Isolated showers in the morning, then scattered
showers with a slight chance of thunderstorms in the afternoon.

SUNDAY NIGHT
East winds 20 knots. Wind waves to 6 feet. Swell
east 3 feet. Scattered showers with a slight chance of
thunderstorms.

MONDAY
East winds 20 knots. Wind waves to 6 feet. Swell east
3 feet. Scattered showers.

MONDAY NIGHT
East winds to 25 knots. Wind waves to 6 feet.
Swell east 3 feet. Scattered showers.

TUESDAY
East winds to 25 knots. Wind waves 6 to 7 feet. Swell
2 feet or less. Isolated showers.

WEDNESDAY
East winds to 25 knots. Wind waves around 6 feet.
Swell 2 feet or less. Scattered showers. 

Winds and seas higher in and near tstms.


PHZ118-011345-
Maui County Leeward Waters-
320 PM HST Fri Mar 31 2023

TONIGHT
East winds to 25 knots. Wind waves to 6 feet. Swell
northeast 3 feet. Isolated showers.

SATURDAY
East winds 20 knots. Wind waves to 6 feet. Swell
northeast 3 feet.

SATURDAY NIGHT
East winds 20 knots. Wind waves to 5 feet.
Swell northeast 3 feet. Isolated showers.

SUNDAY
East winds 20 knots. Wind waves to 5 feet. Swell
northeast 3 feet. Isolated showers in the morning, then scattered
showers with a slight chance of thunderstorms in the afternoon.

SUNDAY NIGHT
East winds 20 knots. Wind waves to 5 feet. Swell
northeast 3 feet. Scattered showers with a slight chance of
thunderstorms.

MONDAY
Northeast winds to 25 knots. Wind waves to 5 feet.
Swell northeast 3 feet. Scattered showers.

MONDAY NIGHT
East winds to 25 knots. Wind waves to 6 feet.
Swell northeast 3 feet. Scattered showers, mainly in the evening.

TUESDAY
East winds to 25 knots. Wind waves around 6 feet.
Swell 2 feet or less. Isolated showers.

WEDNESDAY
East winds to 25 knots. Wind waves 5 to 6 feet.
Swell 2 feet or less. Isolated showers. 

Winds and seas higher in and near tstms.


PHZ119-011345-
Maalaea Bay-
320 PM HST Fri Mar 31 2023

TONIGHT
Northeast winds 10 knots. Wind waves to 2 feet or
less.

SATURDAY
East winds 15 knots. Wind waves to 2 feet or less.

SATURDAY NIGHT
East winds 10 knots. Wind waves to 2 feet or
less.

SUNDAY
East winds 15 knots. Wind waves to 2 feet or less. A
slight chance of thunderstorms with isolated showers in the
afternoon.

SUNDAY NIGHT
Northeast winds 15 knots. Wind waves to 2 feet or
less. Scattered showers in the evening. A slight chance of
thunderstorms. Isolated showers after midnight.

MONDAY
Northeast winds 15 knots. Wind waves to 2 feet or less.
Scattered showers.

MONDAY NIGHT
Northeast winds 15 knots. Wind waves to 2 feet or
less. Isolated showers in the evening.

TUESDAY
East winds 15 knots. Wind waves around 2 feet or less.
Swell 2 feet or less. Isolated showers.

WEDNESDAY
East winds 15 knots. Wind waves around 2 feet or
less. Swell 2 feet or less. 

Winds and seas higher in and near tstms.


PHZ120-011345-
Pailolo Channel-
320 PM HST Fri Mar 31 2023

TONIGHT
East winds 20 knots. Wind waves to 6 feet. Swell
northeast 3 feet.

SATURDAY
East winds 20 knots. Wind waves to 5 feet. Swell
northeast 3 feet.

SATURDAY NIGHT
East winds 15 knots. Wind waves to 5 feet.
Swell northeast 3 feet.

SUNDAY
East winds 20 knots. Wind waves to 6 feet. Swell
northeast 3 feet. Isolated showers in the morning, then scattered
showers with a slight chance of thunderstorms in the afternoon.

SUNDAY NIGHT
East winds to 25 knots. Wind waves to 6 feet.
Swell east 3 feet. Scattered showers in the evening. A slight
chance of thunderstorms. Isolated showers after midnight.

MONDAY
East winds to 25 knots. Wind waves to 5 feet. Swell
east 3 feet. Scattered showers.

MONDAY NIGHT
East winds to 25 knots. Wind waves to 6 feet.
Swell east 3 feet. Isolated showers.

TUESDAY
East winds to 25 knots. Wind waves around 6 feet.
Swell 2 feet or less. Isolated showers.

WEDNESDAY
East winds to 25 knots. Wind waves 5 to 6 feet.
Swell 2 feet or less. Isolated showers. 

Winds and seas higher in and near tstms.


PHZ121-011345-
Alenuihaha Channel-
320 PM HST Fri Mar 31 2023

SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON


TONIGHT
East winds to 30 knots. Wind waves to 7 feet.
Northwest swell 3 feet and northeast 4 feet.

SATURDAY
East winds to 25 knots. Wind waves to 6 feet. Swell
northeast 3 feet.

SATURDAY NIGHT
East winds to 25 knots. Wind waves to 6 feet.
Swell northeast 3 feet. Isolated showers after midnight.

SUNDAY
East winds to 25 knots. Wind waves to 7 feet. Swell
northeast 3 feet. Scattered showers. A slight chance of
thunderstorms in the afternoon.

SUNDAY NIGHT
East winds to 25 knots. Wind waves to 7 feet.
Swell east 3 feet. Scattered showers with a slight chance of
thunderstorms.

MONDAY
East winds to 25 knots. Wind waves to 7 feet. Swell
east 3 feet. Scattered showers.

MONDAY NIGHT
East winds to 25 knots. Wind waves to 7 feet.
Swell east 3 feet. Scattered showers, mainly in the evening.

TUESDAY
East winds to 30 knots. Wind waves 7 to 8 feet. Swell
2 feet or less. Isolated showers.

WEDNESDAY
East winds to 25 knots. Wind waves around 6 feet.
Swell 2 feet or less. Isolated showers. 

Winds and seas higher in and near tstms.


PHZ122-011345-
Big Island Windward Waters-
320 PM HST Fri Mar 31 2023

SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON


TONIGHT
East winds to 25 knots. Wind waves to 6 feet.
Northwest swell 3 feet and northeast 4 feet. Isolated showers
after midnight.

SATURDAY
East winds to 25 knots. Wind waves to 6 feet.
Northwest swell 3 feet and northeast 4 feet. Isolated showers.

SATURDAY NIGHT
East winds 20 knots. Wind waves to 6 feet.
Swell northeast 4 feet. Scattered showers.

SUNDAY
East winds to 25 knots. Wind waves to 6 feet. Swell
northeast 4 feet. Scattered showers. A slight chance of
thunderstorms in the afternoon.

SUNDAY NIGHT
East winds 20 knots. Wind waves to 6 feet. Swell
east 4 feet. Scattered showers in the evening. A slight chance of
thunderstorms. Numerous showers after midnight.

MONDAY
East winds 20 knots. Wind waves to 6 feet. Swell east
4 feet. Scattered showers.

MONDAY NIGHT
East winds 20 knots. Wind waves to 6 feet. Swell
east 4 feet. Scattered showers.

TUESDAY
East winds to 25 knots, easing to 15 knots after
midnight. Wind waves around 6 feet. Swell 2 feet or less.
Scattered showers.

WEDNESDAY
East winds 20 knots. Wind waves around 5 feet. Swell
2 feet or less. Scattered showers. 

Winds and seas higher in and near tstms.


PHZ123-011345-
Big Island Leeward Waters-
320 PM HST Fri Mar 31 2023

SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON


TONIGHT
Northwest winds 10 knots west of the Big Island...east
to 30 knots near South Point. Wind waves to 8 feet. Swell
northeast 3 feet. Isolated showers after midnight.

SATURDAY
Northwest winds 10 knots west of the Big Island...
east to 25 knots near South Point. Wind waves to 7 feet. Swell
northeast 3 feet.

SATURDAY NIGHT
North winds 10 knots west of the Big Island...
east to 25 knots near South Point. Wind waves to 7 feet. Swell
northeast 3 feet.

SUNDAY
West of the Big Island, northeast winds 10 knots,
backing to north in the afternoon. Near South Point, east winds
to 30 knots. Wind waves to 7 feet. Swell northeast 3 feet.
Isolated showers in the morning, then scattered showers with a
slight chance of thunderstorms in the afternoon.

SUNDAY NIGHT
Northeast winds 10 knots west of the Big Island...
 northeast to 25 knots near South Point. Wind waves to 8 feet.
Swell northeast 3 feet. Scattered showers with a slight chance of
thunderstorms.

MONDAY
North winds 10 knots west of the Big Island...east to
25 knots near South Point. Wind waves to 7 feet. Swell northeast
3 feet. Scattered showers.

MONDAY NIGHT
West of the Big Island, southeast winds 10 knots
in the evening, becoming variable less than 10 knots. Near South
Point, east winds to 25 knots. Wind waves to 8 feet. Swell
northeast 3 feet. Scattered showers, mainly in the evening.

TUESDAY
West of the Big Island, north winds 10 knots in the
morning, backing to west, then  veering to east in the evening,
becoming variable less than 10 knots. Near South Point, east
winds to 25 knots. Wind waves around 8 feet. Swell 2 feet or
less. Isolated showers.

WEDNESDAY
Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves around
6 feet. Swell 2 feet or less. Isolated showers. 

Winds and seas higher in and near tstms.


PHZ124-011345-
Big Island Southeast Waters-
320 PM HST Fri Mar 31 2023

SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON


TONIGHT
East winds to 25 knots. Wind waves to 6 feet. Swell
northeast 4 feet. Isolated showers.

SATURDAY
East winds to 25 knots. Wind waves to 6 feet. Swell
northeast 4 feet. Isolated showers in the afternoon.

SATURDAY NIGHT
East winds to 25 knots. Wind waves to 6 feet.
Swell northeast 4 feet. Scattered showers.

SUNDAY
East winds to 25 knots. Wind waves to 6 feet. Swell
east 4 feet. Scattered showers. A slight chance of thunderstorms
in the afternoon.

SUNDAY NIGHT
Northeast winds to 25 knots. Wind waves to
7 feet. Swell east 4 feet. Scattered showers with a slight chance
of thunderstorms.

MONDAY
East winds to 25 knots. Wind waves to 7 feet. Swell
east 4 feet. Scattered showers.

MONDAY NIGHT
Northeast winds to 25 knots. Wind waves to
7 feet. Swell east 4 feet. Scattered showers.

TUESDAY
East winds to 25 knots. Wind waves around 7 feet.
Swell 2 feet or less. Isolated showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves around 6 feet.
Swell 2 feet or less. Isolated showers. 

Winds and seas higher in and near tstms.