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National Weather Service Marine Forecast FZHW50 PHFO

FZHW50 PHFO 231958
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
958 AM HST Mon Nov 23 2020

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

PHZ100-240845-
958 AM HST Mon Nov 23 2020

Synopsis for Hawaiian coastal waters

High pressure northeast of the islands is producing strong trade
winds. Persistent strong trades have generated rough sea
conditions. Winds and seas will gradually weaken and subside
through mid week.



PHZ110-240845-
Kauai Northwest Waters-
958 AM HST Mon Nov 23 2020

REST OF TODAY
East winds 20 knots. Wind waves 9 feet.
Northwest swell 4 feet. Scattered showers late in the morning,
then isolated showers in the afternoon.

TONIGHT
East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 feet in the evening. Isolated showers in the evening,
then scattered showers and isolated thunderstorms after midnight.

TUESDAY
East winds 20 knots. Wind waves 7 feet. Scattered
showers and isolated thunderstorms.

TUESDAY NIGHT
East winds 15 knots. Wind waves 6 feet. Isolated
thunderstorms in the evening. Scattered showers through the
night.

WEDNESDAY
East winds 15 knots. Wind waves 5 feet. Scattered
showers.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 5 feet.
Scattered showers.

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

FRIDAY
Northeast winds 20 knots. Wind waves 7 to 8 feet. North
swell 3 to 4 feet. Scattered showers. 



PHZ111-240845-
Kauai Windward Waters-
958 AM HST Mon Nov 23 2020

REST OF TODAY
East winds 20 knots. Wind waves 8 feet.
Northwest swell 4 feet. Scattered showers late in the morning,
then isolated showers in the afternoon.

TONIGHT
East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 feet in the evening. Isolated showers in the evening,
then scattered showers and isolated thunderstorms after midnight.

TUESDAY
East winds 20 knots. Wind waves 7 feet. Scattered
showers and isolated thunderstorms.

TUESDAY NIGHT
East winds 15 knots. Wind waves 6 feet. Isolated
thunderstorms in the evening. Scattered showers through the
night.

WEDNESDAY
East winds 15 knots. Wind waves 5 feet. Scattered
showers.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 5 feet.
Scattered showers.

THURSDAY
Northeast winds 10 knots. Wind waves 4 to 5 feet.
Scattered showers.

FRIDAY
Northeast winds 15 knots. Wind waves 6 to 7 feet. North
swell 3 to 4 feet. Scattered showers. 



PHZ112-240845-
Kauai Leeward Waters-
958 AM HST Mon Nov 23 2020

REST OF TODAY
East winds 20 knots. Wind waves 8 feet.
Northwest swell 4 feet. Isolated showers through the day.

TONIGHT
East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 feet in the evening. Isolated showers in the evening,
then scattered showers and isolated thunderstorms after midnight.

TUESDAY
East winds 20 knots. Wind waves 7 feet. Scattered
showers and isolated thunderstorms.

TUESDAY NIGHT
East winds 15 knots. Wind waves 6 feet. Isolated
thunderstorms in the evening. Scattered showers through the
night.

WEDNESDAY
East winds 15 knots. Wind waves 5 feet. Scattered
showers.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 4 feet.
Scattered showers.

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

FRIDAY
Northeast winds 20 knots. Wind waves 7 feet. Northwest
swell 3 to 4 feet. Isolated showers. 



PHZ113-240845-
Kauai Channel-
958 AM HST Mon Nov 23 2020

REST OF TODAY
East winds 20 knots. Wind waves 9 feet.
Northwest swell 4 feet. Isolated showers through the day.

TONIGHT
East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 feet in the evening. Isolated showers in the evening,
then scattered showers and isolated thunderstorms after midnight.

TUESDAY
East winds 20 knots. Wind waves 7 feet. Scattered
showers and isolated thunderstorms.

TUESDAY NIGHT
East winds 15 knots. Wind waves 6 feet.
Scattered showers and isolated thunderstorms.

WEDNESDAY
East winds 15 knots. Wind waves 5 feet. Isolated
thunderstorms in the morning. Scattered showers through the day.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 5 feet.
Scattered showers.

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

FRIDAY
Northeast winds 15 knots. Wind waves 7 feet. Northwest
swell 3 to 4 feet. Isolated showers. 



PHZ114-240845-
Oahu Windward Waters-
958 AM HST Mon Nov 23 2020

REST OF TODAY
East winds 20 knots. Wind waves 9 feet.
Northwest swell 5 feet. Scattered showers late in the morning,
then isolated showers in the afternoon.

TONIGHT
East winds 20 knots. Wind waves 8 feet. Northwest
swell 3 feet. Isolated showers in the evening, then scattered
showers after midnight.

TUESDAY
East winds 20 knots. Wind waves 7 feet. Scattered
showers.

TUESDAY NIGHT
East winds 15 knots. Wind waves 6 feet.
Scattered showers and isolated thunderstorms.

WEDNESDAY
East winds 15 knots. Wind waves 5 feet. Isolated
thunderstorms in the morning. Scattered showers through the day.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 5 feet.
Scattered showers.

THURSDAY
Northeast winds 15 knots. Wind waves 4 feet.
Scattered showers.

FRIDAY
Northeast winds 15 knots. Wind waves 6 feet. North
swell 3 to 4 feet. Scattered showers. 



PHZ115-240845-
Oahu Leeward Waters-
958 AM HST Mon Nov 23 2020

REST OF TODAY
East winds 20 knots. Wind waves 10 feet.
Northwest swell 4 feet. Isolated showers late in the morning.

TONIGHT
East winds 20 knots. Wind waves 8 feet. Northwest
swell 4 feet in the evening. Scattered showers after midnight.

TUESDAY
East winds 20 knots. Wind waves 7 feet. Scattered
showers.

TUESDAY NIGHT
Northeast winds 15 knots. Wind waves 6 feet.
Scattered showers and isolated thunderstorms.

WEDNESDAY
East winds 15 knots. Wind waves 4 feet. Isolated
thunderstorms in the morning. Scattered showers through the day.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 4 feet.
Scattered showers.

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

FRIDAY
Northeast winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 3 feet. Isolated showers. 



PHZ116-240845-
Kaiwi Channel-
958 AM HST Mon Nov 23 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON


REST OF TODAY
East winds to 25 knots. Wind waves 10 feet.
Northwest swell 4 feet. Scattered showers through the day.

TONIGHT
East winds 20 knots. Wind waves 9 feet. Northwest
swell 3 feet. Scattered showers through the night.

TUESDAY
East winds 20 knots. Wind waves 8 feet. Scattered
showers.

TUESDAY NIGHT
East winds 15 knots. Wind waves 7 feet.
Scattered showers and isolated thunderstorms.

WEDNESDAY
East winds 15 knots. Wind waves 6 feet. Isolated
thunderstorms in the morning. Scattered showers through the day.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 6 feet.
Scattered showers.

THURSDAY
Northeast winds 15 knots. Wind waves 5 feet.
Scattered showers.

FRIDAY
Northeast winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 3 feet. Scattered showers. 



PHZ117-240845-
Maui County Windward Waters-
958 AM HST Mon Nov 23 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON


REST OF TODAY
East winds to 25 knots. Wind waves 10 feet.
Northwest swell 4 feet. Scattered showers.

TONIGHT
East winds 20 knots. Wind waves 8 feet. Northwest
swell 3 feet. Scattered showers.

TUESDAY
East winds 20 knots. Wind waves 7 feet. Showers likely
in the morning, then scattered showers in the afternoon.

TUESDAY NIGHT
East winds 20 knots. Wind waves 6 feet. Showers
likely through the night. Isolated thunderstorms after midnight.

WEDNESDAY
East winds 15 knots. Wind waves 6 feet. Showers
likely and isolated thunderstorms in the morning, then scattered
showers in the afternoon.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 6 feet.
Scattered showers.

THURSDAY
East winds 15 knots. Wind waves 4 feet. Scattered
showers.

FRIDAY
Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 3 to 4 feet. Scattered showers. 



PHZ118-240845-
Maui County Leeward Waters-
958 AM HST Mon Nov 23 2020

REST OF TODAY
Northeast winds 20 knots. Wind waves 10 feet.
Northwest swell 3 feet. Isolated showers late in the morning.

TONIGHT
Northeast winds 15 knots. Wind waves 6 feet. Northwest
swell 3 feet in the evening. Isolated showers after midnight.

TUESDAY
Northeast winds 15 knots. Wind waves 5 feet. Scattered
showers.

TUESDAY NIGHT
Northeast winds 15 knots. Wind waves 4 feet.
Scattered showers through the night. Isolated thunderstorms after
midnight.

WEDNESDAY
Northeast winds 10 knots. Wind waves 4 feet.
Isolated thunderstorms in the morning. Scattered showers through
the day.

WEDNESDAY NIGHT
East winds 10 knots. Wind waves 4 feet.
Scattered showers in the evening, then isolated showers after
midnight.

THURSDAY
Northeast winds 10 knots. Wind waves 3 to 4 feet.
Isolated showers.

FRIDAY
Northeast winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 3 feet. Isolated showers. 



PHZ119-240845-
Maalaea Bay-
958 AM HST Mon Nov 23 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


REST OF TODAY
Northeast winds to 25 knots. Wind waves 8 feet.

TONIGHT
North winds to 25 knots. Wind waves 6 feet. Isolated
showers after midnight.

TUESDAY
North winds to 25 knots. Wind waves 5 feet. Scattered
showers.

TUESDAY NIGHT
North winds 15 knots. Wind waves 4 feet.
Scattered showers through the night. Isolated thunderstorms after
midnight.

WEDNESDAY
North winds 15 knots. Wind waves 3 feet. Isolated
thunderstorms in the morning. Scattered showers through the day.

WEDNESDAY NIGHT
North winds 15 knots. Wind waves 3 feet.
Isolated showers.

THURSDAY
North winds 10 knots in the morning becoming variable
less than 10 knots, then becoming northeast 10 knots. Wind waves
2 feet or less. Scattered showers.

FRIDAY
Northeast winds 10 knots. Wind waves 3 feet. Isolated
showers. 



PHZ120-240845-
Pailolo Channel-
958 AM HST Mon Nov 23 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


REST OF TODAY
East winds to 25 knots. Wind waves 12 feet.
Northwest swell 3 feet. Isolated showers.

TONIGHT
East winds to 25 knots. Wind waves 9 feet. Northwest
swell 3 feet in the evening. Isolated showers in the evening.
Scattered showers after midnight.

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

TUESDAY NIGHT
East winds 15 knots. Wind waves 7 feet.
Scattered showers through the night. Isolated thunderstorms after
midnight.

WEDNESDAY
East winds 20 knots. Wind waves 7 feet. Isolated
thunderstorms in the morning. Scattered showers through the day.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 6 feet.
Scattered showers.

THURSDAY
Northeast winds 10 knots. Wind waves 3 to 4 feet.
Scattered showers.

FRIDAY
Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers. 



PHZ121-240845-
Alenuihaha Channel-
958 AM HST Mon Nov 23 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


REST OF TODAY
East winds to 30 knots. Wind waves 15 feet.
Northwest swell 4 feet. Isolated showers.

TONIGHT
East winds to 25 knots. Wind waves 12 feet. Northwest
swell 3 feet. Isolated showers in the evening. Scattered showers
after midnight.

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

TUESDAY NIGHT
East winds 20 knots. Wind waves 8 feet.
Scattered showers through the night. Isolated thunderstorms after
midnight.

WEDNESDAY
East winds 20 knots. Wind waves 7 feet. Isolated
thunderstorms in the morning. Scattered showers through the day.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves 7 feet.
Scattered showers through the night.

THURSDAY
Northeast winds 15 knots. Wind waves 6 feet. Isolated
showers.

FRIDAY
Northeast winds 15 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers. 



PHZ122-240845-
Big Island Windward Waters-
958 AM HST Mon Nov 23 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON


REST OF TODAY
East winds 20 knots. Wind waves 8 feet.
Northwest swell 4 feet. Numerous showers.

TONIGHT
East winds 20 knots. Wind waves 8 feet. Northwest
swell 3 feet. Numerous showers in the evening, then scattered
showers after midnight.

TUESDAY
East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet in the morning. Showers likely in the morning, then
scattered showers in the afternoon.

TUESDAY NIGHT
East winds 15 knots. Wind waves 6 feet. Showers
likely.

WEDNESDAY
East winds 15 knots. Wind waves 5 feet. Scattered
showers.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 5 feet.
Scattered showers.

THURSDAY
East winds 10 knots. Wind waves 3 feet. Scattered
showers.

FRIDAY
North winds 15 knots. Wind waves 4 to 5 feet. Northwest
swell 3 feet. Scattered showers. 



PHZ123-240845-
Big Island Leeward Waters-
958 AM HST Mon Nov 23 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


REST OF TODAY
Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
12 feet. Northwest swell 3 feet. Isolated showers.

TONIGHT
Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 9 feet.
Northwest swell 3 feet in the evening. Isolated showers through
the night.

TUESDAY
Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 7 feet.
Isolated showers through the day.

TUESDAY NIGHT
Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 7 feet.
Scattered showers in the evening, then isolated showers after
midnight.

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

WEDNESDAY NIGHT
Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 6 feet.
Scattered showers in the evening, then isolated showers after
midnight.

THURSDAY
Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 4 to 5 feet.
Isolated showers.

FRIDAY
West of the Big Island, winds variable less than
10 knots becoming north 10 knots. Near Kawaihae, northeast winds
15 knots. Wind waves 5 feet. Isolated showers. 



PHZ124-240845-
Big Island Southeast Waters-
958 AM HST Mon Nov 23 2020

SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON


REST OF TODAY
Northeast winds to 25 knots. Wind waves 12 feet.
Northwest swell 3 feet. Scattered showers.

TONIGHT
Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 3 feet in the evening. Scattered showers.

TUESDAY
Northeast winds to 25 knots. Wind waves 7 feet.
Scattered showers.

TUESDAY NIGHT
East winds 20 knots. Wind waves 7 feet.
Scattered showers.

WEDNESDAY
East winds 20 knots. Wind waves 7 feet. Scattered
showers.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 6 feet.
Scattered showers.

THURSDAY
Northeast winds 15 knots. Wind waves 5 feet.
Scattered showers.

FRIDAY
Northeast winds 15 knots. Wind waves 6 feet. Scattered
showers.