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National Weather Service Marine Forecast FZHW50 PHFO

FZHW50 PHFO 190124
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
324 PM HST Mon Nov 18 2019

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

PHZ100-191415-
324 PM HST Mon Nov 18 2019

Synopsis for Hawaiian coastal waters

A surface trough and a disturbance aloft will continue to bring
the threat of thunderstorms, and weaker trade winds, through
Tuesday. Trade winds will strengthen Wednesday as the trough
weakens and high pressure builds north of the islands. Strong
trade winds by the end of the week may reach gale force in some
channels.



PHZ110-191415-
Kauai Northwest Waters-
324 PM HST Mon Nov 18 2019

TONIGHT
East winds 15 knots. Wind waves 5 feet. North swell
6 feet. Numerous heavy showers and chance of thunderstorms.

TUESDAY
Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 4 feet. Northwest swell
5 feet. Scattered heavy showers and slight chance of
thunderstorms.

TUESDAY NIGHT
East winds 10 knots. Wind waves 4 feet.
Northwest swell 5 feet. Slight chance of thunderstorms in the
evening. Scattered showers through the night.

WEDNESDAY
Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 7 feet increasing to 9 feet in the afternoon.
Scattered showers.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves 7 feet.
Northwest swell 11 feet. Scattered showers.

THURSDAY
East winds 20 knots. Wind waves 7 feet. Northwest
swell 11 feet. Scattered showers.

THURSDAY NIGHT
East winds to 25 knots. Wind waves 7 feet.
Northwest swell 10 feet decreasing to 8 feet after midnight.
Scattered showers.

FRIDAY
East winds to 25 knots. Wind waves 8 to 9 feet.
Northwest swell 6 to 7 feet. Scattered showers.

SATURDAY
East winds to 25 knots. Wind waves 9 to 10 feet.
Northwest swell 6 to 7 feet. Scattered showers. 



PHZ111-191415-
Kauai Windward Waters-
324 PM HST Mon Nov 18 2019

TONIGHT
East winds 15 knots. Wind waves 5 feet. North swell
6 feet. Numerous heavy showers and chance of thunderstorms.

TUESDAY
Southeast winds 10 knots. Wind waves 5 feet. Northwest
swell 5 feet. Scattered heavy showers and slight chance of
thunderstorms.

TUESDAY NIGHT
East winds 10 knots. Wind waves 4 feet.
Northwest swell 4 feet. Slight chance of thunderstorms in the
evening. Scattered showers through the night.

WEDNESDAY
East winds 10 knots. Wind waves 5 feet. Northwest
swell 6 feet increasing to 9 feet in the afternoon. Scattered
showers.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves 6 feet.
Northwest swell 11 feet. Scattered showers.

THURSDAY
East winds 20 knots. Wind waves 6 feet. Northwest
swell 10 feet. Scattered showers.

THURSDAY NIGHT
East winds 20 knots. Wind waves 8 feet.
Northwest swell 10 feet decreasing to 8 feet after midnight.
Scattered showers.

FRIDAY
East winds 20 knots. Wind waves 8 to 9 feet. Northwest
swell 6 to 7 feet. Scattered showers.

SATURDAY
East winds 20 knots. Wind waves 9 to 11 feet.
Northwest swell 6 to 7 feet. Scattered showers. 



PHZ112-191415-
Kauai Leeward Waters-
324 PM HST Mon Nov 18 2019

TONIGHT
East winds 10 knots. Wind waves 5 feet. North swell
6 feet. Scattered heavy showers and chance of thunderstorms.

TUESDAY
Winds variable less than 10 knots. Wind waves 4 feet.
Northwest swell 5 feet. Scattered heavy showers and slight chance
of thunderstorms.

TUESDAY NIGHT
Northeast winds 10 knots. Wind waves 3 feet.
Northwest swell 5 feet. Slight chance of thunderstorms in the
evening. Scattered showers through the night.

WEDNESDAY
Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 6 feet increasing to 9 feet in the afternoon.
Isolated showers.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves 6 feet.
Northwest swell 11 feet. Isolated showers in the evening, then
scattered showers after midnight.

THURSDAY
East winds 20 knots. Wind waves 6 feet. Northwest
swell 10 feet. Isolated showers.

THURSDAY NIGHT
East winds 20 knots. Wind waves 8 feet.
Northwest swell 10 feet decreasing to 8 feet after midnight.
Isolated showers in the evening, then scattered showers after
midnight.

FRIDAY
East winds to 25 knots. Wind waves 9 feet. Northwest
swell 6 to 7 feet. Isolated showers.

SATURDAY
East winds 20 knots. Wind waves 10 feet. Northwest
swell 6 to 7 feet. Isolated showers. 



PHZ113-191415-
Kauai Channel-
324 PM HST Mon Nov 18 2019

TONIGHT
East winds 10 knots. Wind waves 5 feet. North swell
6 feet. Scattered heavy showers and chance of thunderstorms.

TUESDAY
Winds variable less than 10 knots. Wind waves 4 feet.
North swell 5 feet. Scattered heavy showers and slight chance of
thunderstorms.

TUESDAY NIGHT
Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 4 feet. Slight chance of thunderstorms in the
evening. Scattered showers through the night.

WEDNESDAY
Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 5 feet increasing to 7 feet in the afternoon.
Isolated showers.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves 6 feet.
Northwest swell 10 feet. Isolated showers in the evening, then
scattered showers after midnight.

THURSDAY
East winds 20 knots. Wind waves 6 feet. Northwest
swell 10 feet. Isolated showers.

THURSDAY NIGHT
East winds 20 knots. Wind waves 7 feet.
Northwest swell 8 feet. Isolated showers in the evening, then
scattered showers after midnight.

FRIDAY
East winds to 25 knots. Wind waves 8 to 9 feet.
Northwest swell 5 to 7 feet. Scattered showers.

SATURDAY
East winds 20 knots. Wind waves 9 to 11 feet.
Northwest swell 5 to 6 feet. Scattered showers. 



PHZ114-191415-
Oahu Windward Waters-
324 PM HST Mon Nov 18 2019

TONIGHT
East winds 15 knots. Wind waves 5 feet. North swell
6 feet. Numerous heavy showers and chance of thunderstorms.

TUESDAY
East winds 10 knots. Wind waves 5 feet. Northwest
swell 5 feet. Scattered heavy showers and slight chance of
thunderstorms.

TUESDAY NIGHT
East winds 15 knots. Wind waves 5 feet.
Northwest swell 4 feet. Slight chance of thunderstorms in the
evening. Scattered showers through the night.

WEDNESDAY
East winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet increasing to 7 feet in the afternoon. Scattered
showers.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves 6 feet.
Northwest swell 11 feet. Scattered showers.

THURSDAY
East winds 20 knots. Wind waves 7 feet. Northwest
swell 10 feet. Scattered showers.

THURSDAY NIGHT
East winds to 25 knots. Wind waves 8 feet.
Northwest swell 9 feet. Scattered showers.

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

SATURDAY
East winds to 25 knots. Wind waves 10 to 11 feet.
Northwest swell 6 to 7 feet. Scattered showers. 



PHZ115-191415-
Oahu Leeward Waters-
324 PM HST Mon Nov 18 2019

TONIGHT
East winds 10 knots. Wind waves 5 feet. Northwest
swell 5 feet. Scattered heavy showers and chance of
thunderstorms.

TUESDAY
East winds 10 knots backing north in the afternoon.
Wind waves 3 feet. Northwest swell 5 feet. Scattered heavy
showers and slight chance of thunderstorms.

TUESDAY NIGHT
Northeast winds 10 knots. Wind waves 3 feet.
Northwest swell 4 feet. Scattered showers and slight chance of
thunderstorms in the evening, then isolated showers after
midnight.

WEDNESDAY
East winds 10 knots. Wind waves 4 feet. Northwest
swell 4 feet increasing to 6 feet in the afternoon. Isolated
showers.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 9 feet. Isolated showers.

THURSDAY
Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 8 feet. Isolated showers.

THURSDAY NIGHT
East winds 20 knots. Wind waves 7 feet.
Northwest swell 7 feet. Isolated showers.

FRIDAY
East winds to 25 knots. Wind waves 8 to 9 feet.
Northwest swell 5 to 6 feet. Isolated showers.

SATURDAY
East winds 20 knots. Wind waves 8 to 10 feet.
Northwest swell 5 feet. Isolated showers. 



PHZ116-191415-
Kaiwi Channel-
324 PM HST Mon Nov 18 2019

TONIGHT
East winds 15 knots. Wind waves 5 feet. North swell
5 feet. Scattered heavy showers and chance of thunderstorms.

TUESDAY
Northeast winds 10 knots. Wind waves 5 feet. North
swell 5 feet. Scattered heavy showers and slight chance of
thunderstorms.

TUESDAY NIGHT
East winds 15 knots. Wind waves 5 feet.
Northwest swell 4 feet. Scattered showers and slight chance of
thunderstorms in the evening, then isolated showers after
midnight.

WEDNESDAY
East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet increasing to 6 feet in the afternoon. Isolated
showers.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves 6 feet.
Northwest swell 10 feet. Isolated showers.

THURSDAY
Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 10 feet. Isolated showers.

THURSDAY NIGHT
East winds to 25 knots. Wind waves 8 feet.
Northwest swell 10 feet decreasing to 8 feet after midnight.
Isolated showers.

FRIDAY
East winds to 25 knots. Wind waves 10 feet. North swell
5 to 7 feet. Isolated showers.

SATURDAY
East winds to 25 knots. Wind waves 10 to 11 feet.
Northwest swell 5 to 6 feet. Isolated showers. 



PHZ117-191415-
Maui County Windward Waters-
324 PM HST Mon Nov 18 2019

TONIGHT
East winds 20 knots. Wind waves 6 feet. North swell
5 feet. Numerous heavy showers and chance of thunderstorms.

TUESDAY
East winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet. Scattered heavy showers and slight chance of
thunderstorms.

TUESDAY NIGHT
East winds 15 knots. Wind waves 5 feet.
Northwest swell 4 feet. Slight chance of thunderstorms in the
evening. Scattered showers through the night.

WEDNESDAY
East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet increasing to 6 feet in the afternoon. Scattered
showers.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves 6 feet.
Northwest swell 10 feet. Scattered showers.

THURSDAY
East winds 20 knots. Wind waves 7 feet. Northwest
swell 10 feet. Scattered showers.

THURSDAY NIGHT
East winds to 25 knots. Wind waves 8 feet.
Northwest swell 10 feet decreasing to 8 feet after midnight.
Scattered showers.

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

SATURDAY
East winds to 25 knots. Wind waves 10 feet. Northwest
swell 6 feet. Scattered showers. 



PHZ118-191415-
Maui County Leeward Waters-
324 PM HST Mon Nov 18 2019

TONIGHT
East winds 15 knots. Wind waves 4 feet. North swell
4 feet. Scattered heavy showers and chance of thunderstorms.

TUESDAY
Northeast winds 10 knots. Wind waves 4 feet. North
swell 4 feet. Scattered heavy showers and slight chance of
thunderstorms.

TUESDAY NIGHT
East winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet. Scattered showers and slight chance of
thunderstorms in the evening, then isolated showers after
midnight.

WEDNESDAY
Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers.

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

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

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

FRIDAY
East winds 20 knots. Wind waves 8 to 9 feet. Northwest
swell 4 to 5 feet. Isolated showers.

SATURDAY
East winds to 25 knots. Wind waves 10 feet. Northwest
swell 4 feet. Isolated showers. 



PHZ119-191415-
Maalaea Bay-
324 PM HST Mon Nov 18 2019

TONIGHT
North winds 15 knots. Wind waves 2 feet or less.
Scattered heavy showers and chance of thunderstorms.

TUESDAY
North winds 10 knots backing northwest in the
afternoon. Wind waves 2 feet or less. Scattered heavy showers and
slight chance of thunderstorms.

TUESDAY NIGHT
North winds 15 knots. Wind waves 2 feet or less.
Scattered heavy showers and slight chance of thunderstorms in the
evening.

WEDNESDAY
North winds 20 knots. Wind waves 2 feet or less.

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

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

THURSDAY NIGHT
North winds to 25 knots. Wind waves 3 feet.

FRIDAY
North winds to 30 knots. Wind waves 4 feet.

SATURDAY
North winds to 30 knots. Wind waves 6 to 8 feet. 



PHZ120-191415-
Pailolo Channel-
324 PM HST Mon Nov 18 2019

TONIGHT
East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered heavy showers and chance of
thunderstorms.

TUESDAY
East winds 10 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered heavy showers and slight chance of
thunderstorms.

TUESDAY NIGHT
East winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet. Scattered showers and slight chance of
thunderstorms in the evening, then isolated showers after
midnight.

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

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

THURSDAY
East winds 20 knots. Wind waves 6 feet. Northwest
swell 7 feet. Isolated showers in the morning, then scattered
showers in the afternoon.

THURSDAY NIGHT
East winds 20 knots. Wind waves 7 feet.
Northwest swell 7 feet decreasing to 5 feet after midnight.
Scattered showers.

FRIDAY
East winds to 30 knots. Wind waves 8 to 9 feet.
Northwest swell 4 to 5 feet. Scattered showers.

SATURDAY
East winds to 25 knots. Wind waves 10 to 12 feet.
Northwest swell 4 feet. Scattered showers. 



PHZ121-191415-
Alenuihaha Channel-
324 PM HST Mon Nov 18 2019

TONIGHT
East winds 20 knots. Wind waves 5 feet. Northwest
swell 5 feet. Scattered heavy showers and chance of
thunderstorms.

TUESDAY
East winds 10 knots. Wind waves 5 feet. Northwest
swell 5 feet. Scattered heavy showers and slight chance of
thunderstorms.

TUESDAY NIGHT
East winds 15 knots. Wind waves 5 feet.
Northwest swell 4 feet. Scattered heavy showers and slight chance
of thunderstorms in the evening. Isolated showers after midnight.

WEDNESDAY
East winds 20 knots. Wind waves 5 feet. Northwest
swell 4 feet. Isolated showers in the morning. Scattered showers
in the afternoon.

WEDNESDAY NIGHT
East winds to 25 knots. Wind waves 7 feet.
Northwest swell 9 feet. Isolated showers.

THURSDAY
Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 9 feet. Isolated showers in the morning.
Scattered showers in the afternoon.

THURSDAY NIGHT
East winds to 25 knots. Wind waves 8 feet.
Northwest swell 8 feet. Isolated showers.

FRIDAY
East winds to 30 knots. Wind waves 9 to 11 feet.
Northwest swell 5 to 7 feet. Isolated showers.

SATURDAY
East winds to 30 knots. Wind waves 13 to 14 feet.
Northwest swell 5 to 6 feet. Isolated showers. 



PHZ122-191415-
Big Island Windward Waters-
324 PM HST Mon Nov 18 2019

TONIGHT
East winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet. Numerous heavy showers and chance of thunderstorms.

TUESDAY
East winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet. Scattered heavy showers and slight chance of
thunderstorms.

TUESDAY NIGHT
East winds 15 knots. Wind waves 5 feet.
Northwest swell 4 feet. Slight chance of thunderstorms in the
evening. Scattered showers through the night.

WEDNESDAY
East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered showers.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 9 feet. Scattered showers.

THURSDAY
East winds 20 knots. Wind waves 6 feet. Northwest
swell 10 feet. Scattered showers.

THURSDAY NIGHT
East winds 20 knots. Wind waves 6 feet.
Northwest swell 10 feet decreasing to 8 feet after midnight.
Scattered showers.

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

SATURDAY
East winds to 25 knots. Wind waves 8 to 9 feet.
Northwest swell 6 feet. Scattered showers. 



PHZ123-191415-
Big Island Leeward Waters-
324 PM HST Mon Nov 18 2019

TONIGHT
Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 feet.
Northwest swell 4 feet. Scattered heavy showers and chance of
thunderstorms.

TUESDAY
Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 feet.
Northwest swell 3 feet. Scattered heavy showers and slight chance
of thunderstorms.

TUESDAY NIGHT
Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 5 feet.
Northwest swell 3 feet. Scattered showers and slight chance of
thunderstorms in the evening, then isolated showers after
midnight.

WEDNESDAY
Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 6 feet.
Northwest swell 3 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.
Northwest swell 7 feet. Isolated showers.

THURSDAY
Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet.
Northwest swell 8 feet. Isolated showers.

THURSDAY NIGHT
Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
8 feet. Northwest swell 8 feet decreasing to 6 feet after
midnight. Isolated showers.

FRIDAY
West of the Big Island, winds variable less than
10 knots becoming northwest 10 knots in the afternoon, then
becoming variable less than 10 knots. Near South Point, east
winds to 25 knots. Wind waves 9 to 10 feet. Northwest swell 4 to
6 feet. Isolated showers.

SATURDAY
West of the Big Island, west winds 10 knots becoming
variable less than 10 knots, then becoming northwest 10 knots
after midnight. Near South Point, east winds to 25 knots. Wind
waves 12 feet. Northwest swell 4 feet. Isolated showers. 



PHZ124-191415-
Big Island Southeast Waters-
324 PM HST Mon Nov 18 2019

TONIGHT
East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Numerous heavy showers and chance of thunderstorms.

TUESDAY
East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered heavy showers and slight chance of
thunderstorms.

TUESDAY NIGHT
East winds 15 knots. Wind waves 5 feet.
Northwest swell 4 feet. Slight chance of thunderstorms in the
evening. Scattered showers through the night.

WEDNESDAY
East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Scattered showers.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 6 feet. Scattered showers.

THURSDAY
Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 8 feet. Scattered showers.

THURSDAY NIGHT
Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 8 feet decreasing to 6 feet after midnight.
Scattered showers.

FRIDAY
Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 4 to 6 feet. Scattered showers.

SATURDAY
Northeast winds to 25 knots. Wind waves 11 to
12 feet. North swell 4 feet. Scattered showers.