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National Weather Service Marine Forecast FZHW50 PHFO

FZHW50 PHFO 010123
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
323 PM HST Sun Feb 28 2021

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

PHZ100-011345-
323 PM HST Sun Feb 28 2021

Synopsis for Hawaiian coastal waters

Strong high pressure passing far north of the state will produce
strong to gale force trade winds and large rough seas through
Tuesday. Trade winds will decrease Wednesday and Thursday.



PHZ110-011345-
Kauai Northwest Waters-
323 PM HST Sun Feb 28 2021

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
East winds to 30 knots. Wind waves 11 feet. Northwest
swell 3 feet. Scattered showers.

MONDAY
East winds to 30 knots. Wind waves 11 feet. Northwest
swell 3 feet in the morning. Scattered showers.

MONDAY NIGHT
East winds to 25 knots. Wind waves 11 feet.
Scattered showers.

TUESDAY
East winds to 25 knots. Wind waves 11 feet. Scattered
showers.

TUESDAY NIGHT
East winds to 25 knots. Wind waves 10 feet.
Northwest swell 3 feet after midnight. Scattered showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 9 feet.
Northwest swell 4 feet. Scattered showers.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves 7 feet.
Northwest swell 6 feet. Isolated showers in the evening, then
scattered showers after midnight.

THURSDAY
Northeast winds 20 knots. Wind waves 6 to 7 feet.
Northwest swell 6 to 7 feet. Scattered showers.

FRIDAY
East winds to 25 knots. Wind waves 8 to 10 feet. North
swell 5 to 6 feet. Scattered showers. 



PHZ111-011345-
Kauai Windward Waters-
323 PM HST Sun Feb 28 2021

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
East winds to 25 knots. Wind waves 12 feet. Northwest
swell 3 feet. Scattered showers.

MONDAY
East winds to 25 knots. Wind waves 12 feet. Northwest
swell 3 feet in the morning. Scattered showers.

MONDAY NIGHT
East winds to 25 knots. Wind waves 11 feet.
Scattered showers.

TUESDAY
East winds to 25 knots. Wind waves 11 feet. Scattered
showers.

TUESDAY NIGHT
East winds 20 knots. Wind waves 11 feet.
Scattered showers.

WEDNESDAY
Northeast winds 15 knots. Wind waves 8 feet.
Northwest swell 4 feet increasing to 6 feet in the afternoon.
Scattered showers.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves 7 feet.
Northwest swell 6 feet. Isolated showers in the evening, then
scattered showers after midnight.

THURSDAY
Northeast winds 15 knots. Wind waves 6 feet.
Northwest swell 6 to 7 feet. Scattered showers.

FRIDAY
East winds 20 knots. Wind waves 7 to 9 feet. North
swell 5 to 7 feet. Scattered showers. 



PHZ112-011345-
Kauai Leeward Waters-
323 PM HST Sun Feb 28 2021

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
East winds to 30 knots. Wind waves 11 feet. Northwest
swell 4 feet. Isolated showers in the evening, then scattered
showers after midnight.

MONDAY
East winds to 30 knots. Wind waves 12 feet. Northwest
swell 3 feet in the morning. Isolated showers.

MONDAY NIGHT
East winds to 25 knots. Wind waves 12 feet.
Isolated showers.

TUESDAY
East winds to 25 knots. Wind waves 12 feet. Isolated
showers.

TUESDAY NIGHT
East winds to 25 knots. Wind waves 10 feet.
Northwest swell 3 feet after midnight. Isolated showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 9 feet.
Northwest swell 4 feet increasing to 6 feet in the afternoon.
Isolated showers.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves 8 feet.
Northwest swell 6 feet. Isolated showers.

THURSDAY
Northeast winds 15 knots rising to 20 knots. In the
Kaulakahi Channel, northeast winds 10 knots. Wind waves 5 to
7 feet. Northwest swell 6 to 7 feet. Isolated showers.

FRIDAY
East winds 20 knots...east 15 knots in the Kaulakahi
Channel. Wind waves 7 to 8 feet. Northwest swell 5 to 6 feet.
Scattered showers. 



PHZ113-011345-
Kauai Channel-
323 PM HST Sun Feb 28 2021

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
East winds to 30 knots. Wind waves 11 feet. Northwest
swell 3 feet. Scattered showers.

MONDAY
East winds to 30 knots. Wind waves 12 feet. Northwest
swell 3 feet in the morning. Isolated showers.

MONDAY NIGHT
East winds to 25 knots. Wind waves 12 feet.
Isolated showers.

TUESDAY
East winds to 25 knots. Wind waves 12 feet. Isolated
showers.

TUESDAY NIGHT
Northeast winds to 25 knots. Wind waves 11 feet.
Isolated showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 9 feet.
Northwest swell 3 feet increasing to 5 feet in the afternoon.
Isolated showers.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves 7 feet.
Northwest swell 5 feet. Isolated showers.

THURSDAY
Northeast winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 6 to 7 feet. Scattered showers.

FRIDAY
Northeast winds 20 knots. Wind waves 7 to 8 feet.
Northwest swell 5 to 6 feet. Scattered showers. 



PHZ114-011345-
Oahu Windward Waters-
323 PM HST Sun Feb 28 2021

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
East winds to 30 knots. Wind waves 12 feet. Northwest
swell 4 feet. Scattered showers.

MONDAY
East winds to 30 knots. Wind waves 12 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.

MONDAY NIGHT
East winds to 25 knots. Wind waves 12 feet.
Northwest swell 3 feet in the evening. Scattered showers.

TUESDAY
East winds to 25 knots. Wind waves 12 feet. Scattered
showers.

TUESDAY NIGHT
East winds 20 knots. Wind waves 11 feet.
Scattered showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 8 feet.
Northwest swell 4 feet increasing to 6 feet in the afternoon.
Scattered showers.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves 6 feet.
Northwest swell 6 feet. Isolated showers in the evening, then
scattered showers after midnight.

THURSDAY
Northeast winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 7 to 8 feet. Scattered showers.

FRIDAY
East winds 20 knots. Wind waves 7 to 9 feet. North
swell 6 to 7 feet. Scattered showers. 



PHZ115-011345-
Oahu Leeward Waters-
323 PM HST Sun Feb 28 2021

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
East winds to 30 knots. Wind waves 11 feet. Northwest
swell 3 feet. Isolated showers in the evening, then scattered
showers after midnight.

MONDAY
Northeast winds to 30 knots. Wind waves 12 feet.
Northwest swell 3 feet in the morning. Isolated showers in the
morning.

MONDAY NIGHT
Northeast winds to 25 knots. Wind waves 12 feet.
Isolated showers.

TUESDAY
East winds to 25 knots. Wind waves 11 feet. Isolated
showers.

TUESDAY NIGHT
Northeast winds to 25 knots. Wind waves 10 feet.
Isolated showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 8 feet.
Northwest swell 3 feet. Isolated showers.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 5 feet. Isolated showers.

THURSDAY
Northeast winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 5 to 7 feet. Isolated showers.

FRIDAY
Northeast winds 20 knots. Wind waves 6 to 8 feet.
Northwest swell 5 to 6 feet. Isolated showers. 



PHZ116-011345-
Kaiwi Channel-
323 PM HST Sun Feb 28 2021

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
East winds to 30 knots. Wind waves 12 feet. Northwest
swell 4 feet. Isolated showers in the evening, then scattered
showers after midnight.

MONDAY
Northeast winds to 30 knots. Wind waves 13 feet.
Northwest swell 3 feet. Isolated showers through the day.

MONDAY NIGHT
East winds to 30 knots. Wind waves 12 feet.
Isolated showers.

TUESDAY
East winds to 30 knots. Wind waves 12 feet. Isolated
showers.

TUESDAY NIGHT
Northeast winds to 25 knots. Wind waves 11 feet.
Isolated showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 8 feet.
Northwest swell 3 feet. Isolated showers.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers.

THURSDAY
Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 5 to 7 feet. Scattered showers.

FRIDAY
Northeast winds 20 knots. Wind waves 7 to 9 feet. North
swell 6 to 7 feet. Scattered showers. 



PHZ117-011345-
Maui County Windward Waters-
323 PM HST Sun Feb 28 2021

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
East winds to 30 knots. Wind waves 12 feet. Northwest
swell 4 feet. Scattered showers.

MONDAY
East winds to 30 knots. Wind waves 12 feet. Northwest
swell 3 feet. Scattered showers.

MONDAY NIGHT
East winds to 25 knots. Wind waves 12 feet.
Scattered showers.

TUESDAY
East winds to 25 knots. Wind waves 12 feet. Scattered
showers.

TUESDAY NIGHT
East winds 20 knots. Wind waves 11 feet.
Scattered showers.

WEDNESDAY
East winds 15 knots. Wind waves 8 feet. Northwest
swell 3 feet. Scattered showers.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers in the evening, then
scattered showers after midnight.

THURSDAY
East winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 5 to 7 feet. Scattered showers.

FRIDAY
East winds 20 knots. Wind waves 5 to 7 feet. North
swell 6 to 7 feet. Scattered showers. 



PHZ118-011345-
Maui County Leeward Waters-
323 PM HST Sun Feb 28 2021

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
Northeast winds to 30 knots. Wind waves 11 feet.
Northwest swell 3 feet in the evening. Isolated showers.

MONDAY
Northeast winds to 30 knots. Wind waves 11 feet.
Isolated showers in the morning.

MONDAY NIGHT
Northeast winds to 25 knots. Wind waves 10 feet.
Isolated showers through the night.

TUESDAY
East winds to 25 knots. Wind waves 9 feet. Isolated
showers.

TUESDAY NIGHT
Northeast winds 20 knots. Wind waves 9 feet.
Isolated showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 3 feet in the afternoon. Isolated showers through
the day.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 3 feet. Isolated showers.

THURSDAY
Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 4 to 5 feet. Isolated showers.

FRIDAY
Northeast winds 15 knots. Wind waves 4 to 6 feet.
Northwest swell 4 to 5 feet. Isolated showers. 



PHZ119-011345-
Maalaea Bay-
323 PM HST Sun Feb 28 2021

GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
North gales to 35 knots. Wind waves 5 feet. Isolated
showers in the evening.

MONDAY
North gales to 35 knots. Wind waves 5 feet.

MONDAY NIGHT
North gales to 35 knots. Wind waves 5 feet.

TUESDAY
North gales to 35 knots. Wind waves 4 feet. Isolated
showers in the morning.

TUESDAY NIGHT
North winds to 25 knots. Wind waves 4 feet.

WEDNESDAY
North winds to 25 knots. Wind waves 3 feet.

WEDNESDAY NIGHT
North winds 20 knots. Wind waves 3 feet in the
evening then 2 feet or less.

THURSDAY
North winds 20 knots. Wind waves 2 feet or less.
Isolated showers.

FRIDAY
North winds 20 knots. Wind waves 3 to 5 feet. Isolated
showers. 



PHZ120-011345-
Pailolo Channel-
323 PM HST Sun Feb 28 2021

GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
East gales to 35 knots. Wind waves 11 feet. Northwest
swell 3 feet in the evening. Isolated showers.

MONDAY
East gales to 35 knots. Wind waves 11 feet. Isolated
showers in the morning, then scattered showers in the afternoon.

MONDAY NIGHT
East gales to 35 knots. Wind waves 10 feet.
Isolated showers in the evening, then scattered showers after
midnight.

TUESDAY
East gales to 35 knots. Wind waves 10 feet. Isolated
showers.

TUESDAY NIGHT
East winds to 25 knots. Wind waves 10 feet.
Isolated showers.

WEDNESDAY
Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 3 feet in the afternoon. Scattered showers in the
morning, then isolated showers in the afternoon.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers.

THURSDAY
Northeast winds 20 knots. Wind waves 4 feet.
Northwest swell 4 to 5 feet. Isolated showers.

FRIDAY
East winds 20 knots. Wind waves 6 to 8 feet. Northwest
swell 5 feet. Scattered showers. 



PHZ121-011345-
Alenuihaha Channel-
323 PM HST Sun Feb 28 2021

GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
East gales to 35 knots. Wind waves 13 feet. Northwest
swell 4 feet. Slight chance of thunderstorms in the evening.
Isolated showers through the night.

MONDAY
East gales to 35 knots. Wind waves 14 feet. Northwest
swell 3 feet. Isolated showers in the morning. Scattered showers
in the afternoon.

MONDAY NIGHT
East gales to 35 knots. Wind waves 14 feet.
Isolated showers.

TUESDAY
East gales to 35 knots. Wind waves 13 feet. Isolated
showers in the morning, then scattered showers in the afternoon.

TUESDAY NIGHT
Northeast winds to 30 knots. Wind waves 12 feet.
Isolated showers.

WEDNESDAY
Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 4 feet in the afternoon. Isolated showers in the
morning. Scattered showers in the afternoon.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 4 feet. Isolated showers.

THURSDAY
Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 5 to 7 feet. Isolated showers.

FRIDAY
East winds 20 knots. Wind waves 7 to 9 feet. Northwest
swell 6 to 7 feet. Isolated showers. 



PHZ122-011345-
Big Island Windward Waters-
323 PM HST Sun Feb 28 2021

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
East winds to 25 knots. Wind waves 9 feet. Northwest
swell 4 feet. Showers likely in the evening. Slight chance of
thunderstorms through the night. Scattered showers after
midnight.

MONDAY
East winds to 25 knots. Wind waves 9 feet. Northwest
swell 3 feet. Scattered showers.

MONDAY NIGHT
East winds to 25 knots. Wind waves 9 feet.
Northwest swell 3 feet in the evening. Scattered showers.

TUESDAY
East winds to 25 knots. Wind waves 9 feet. Scattered
showers.

TUESDAY NIGHT
East winds 20 knots. Wind waves 9 feet.
Scattered showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 4 feet in the afternoon. Scattered showers.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers in the evening, then
scattered showers after midnight.

THURSDAY
Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 5 to 7 feet. Scattered showers.

FRIDAY
East winds 15 knots. Wind waves 4 to 6 feet. North
swell 6 to 7 feet. Scattered showers. 



PHZ123-011345-
Big Island Leeward Waters-
323 PM HST Sun Feb 28 2021

GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
West of the Big Island, winds variable less than
10 knots becoming southwest 10 knots after midnight. Near South
Point, east gales to 35 knots. Wind waves 13 feet. Northwest
swell 3 feet. Slight chance of thunderstorms in the evening.
Scattered showers through the night.

MONDAY
West of the Big Island, south winds 10 knots veering
west in the afternoon. Near South Point, east gales to 35 knots.
Wind waves 14 feet. Northwest swell 3 feet. Scattered showers in
the morning.

MONDAY NIGHT
Winds variable less than 10 knots west of the Big
Island...east to 30 knots near South Point. Wind waves 14 feet.
Isolated showers.

TUESDAY
West of the Big Island, winds variable less than
10 knots becoming west 10 knots in the afternoon. Near South
Point, east winds to 30 knots. Wind waves 14 feet. Isolated
showers through the day.

TUESDAY NIGHT
Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
11 feet. Isolated showers.

WEDNESDAY
West of the Big Island, southeast winds 10 knots
veering southwest in the afternoon. Near South Point, east winds
20 knots. Wind waves 9 feet. Isolated showers through the day.

WEDNESDAY NIGHT
Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 7 feet.
Northwest swell 3 feet after midnight. Isolated showers.

THURSDAY
Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 to 6 feet.
Northwest swell 3 to 5 feet. Isolated showers.

FRIDAY
West of the Big Island, winds variable less than
10 knots becoming southeast 10 knots in the evening, then backing
north after midnight. Near South Point, east winds 20 knots. Wind
waves 6 to 8 feet. Northwest swell 3 to 5 feet. Scattered
showers. 



PHZ124-011345-
Big Island Southeast Waters-
323 PM HST Sun Feb 28 2021

GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON


TONIGHT
Northeast winds to 30 knots. Wind waves 12 feet.
Northwest swell 3 feet. Showers likely in the evening. Slight
chance of thunderstorms through the night. Scattered showers
after midnight.

MONDAY
Northeast gales to 35 knots. Wind waves 13 feet.
Northwest swell 3 feet. Scattered showers.

MONDAY NIGHT
Northeast gales to 35 knots. Wind waves 13 feet.
Scattered showers.

TUESDAY
Northeast gales to 35 knots. Wind waves 13 feet.
Scattered showers.

TUESDAY NIGHT
Northeast winds to 25 knots. Wind waves 11 feet.
Scattered showers.

WEDNESDAY
Northeast winds to 25 knots. Wind waves 9 feet.
Scattered showers.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 8 feet.
Northwest swell 3 feet. Isolated showers.

THURSDAY
Northeast winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 4 to 6 feet. Scattered showers.

FRIDAY
Northeast winds 20 knots. Wind waves 6 to 8 feet.
Northwest swell 5 to 6 feet. Scattered showers.