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Hurricane Symbol Storm Special! View the latest observations near Atlantic Subtropical Depression Andrea.

National Weather Service Marine Forecast FZHW50 PHFO

FZHW50 PHFO 211302
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
302 AM HST Tue May 21 2019

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

PHZ100-220145-
302 AM HST Tue May 21 2019

Synopsis for Hawaiian coastal waters

A ridge will remain near Kauai today. The ridge will shift north
starting tonight as a high strengthens far northeast of the area.



PHZ110-220145-
Kauai Northwest Waters-
302 AM HST Tue May 21 2019

TODAY
Winds variable less than 10 knots. Wind waves 3 feet.
Scattered showers.

TONIGHT
Winds variable less than 10 knots becoming northeast
10 knots after midnight. Wind waves 3 feet. Scattered showers in
the evening, then isolated showers after midnight.

WEDNESDAY
East winds 15 knots. Wind waves 4 feet. Swell south
3 feet. Isolated showers in the morning, then scattered showers
in the afternoon.

WEDNESDAY NIGHT
Southeast winds 15 knots. Wind waves 4 feet.
Swell south 3 feet. Isolated showers.

THURSDAY
Southeast winds 15 knots. Wind waves 4 feet. Swell
south 3 feet. Isolated showers in the morning, then scattered
showers in the afternoon.

THURSDAY NIGHT
East winds 10 knots. Wind waves 5 feet.
Northwest swell 3 feet after midnight. Swell south 3 feet.
Isolated showers.

FRIDAY
East winds 10 knots. Wind waves 4 to 5 feet. Northwest
swell 3 to 5 feet. Scattered showers.

SATURDAY
East winds 10 knots. Wind waves 5 feet. Mixed swell
northwest 5 feet and south 3 feet. Isolated showers. 



PHZ111-220145-
Kauai Windward Waters-
302 AM HST Tue May 21 2019

TODAY
Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 4 feet. Scattered
showers.

TONIGHT
Winds variable less than 10 knots becoming east
10 knots after midnight. Wind waves 4 feet. Scattered showers.

WEDNESDAY
East winds 15 knots. Wind waves 4 feet. Swell south
3 feet. Scattered showers.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 4 feet. Swell
south 3 feet. Isolated showers.

THURSDAY
Southeast winds 15 knots. Wind waves 4 feet. Swell
south 3 feet. Isolated showers in the morning, then scattered
showers in the afternoon.

THURSDAY NIGHT
East winds 10 knots. Wind waves 5 feet.
Northwest swell 3 feet after midnight. Swell south 3 feet.
Isolated showers.

FRIDAY
East winds 10 knots. Wind waves 5 feet. Northwest swell
3 to 5 feet. Scattered showers.

SATURDAY
East winds 10 knots. Wind waves 5 feet. Mixed swell
northwest 5 feet and south 3 feet. Isolated showers. 



PHZ112-220145-
Kauai Leeward Waters-
302 AM HST Tue May 21 2019

TODAY
Winds variable less than 10 knots. Wind waves 3 feet in
the morning then 2 feet or less. Scattered showers.

TONIGHT
Winds variable less than 10 knots becoming northeast
10 knots after midnight. Wind waves 2 feet or less. Scattered
showers in the evening, then isolated showers after midnight.

WEDNESDAY
East winds 15 knots. Wind waves 4 feet. Swell south
3 feet. Isolated showers in the morning, then scattered showers
in the afternoon.

WEDNESDAY NIGHT
Southeast winds 10 knots. Wind waves 3 feet.
Swell south 3 feet. Isolated showers through the night.

THURSDAY
Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 3 feet. Swell south
3 feet. Isolated showers in the morning, then scattered showers
in the afternoon.

THURSDAY NIGHT
Winds variable less than 10 knots becoming east
10 knots after midnight. Wind waves 4 feet. Northwest swell
3 feet after midnight. Swell south 3 feet. Isolated showers
through the night.

FRIDAY
East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 3 feet. Northwest swell 3 to
5 feet. Isolated showers.

SATURDAY
East winds 10 knots. Wind waves 4 feet. Mixed swell
northwest 5 feet and south 3 feet. Isolated showers. 



PHZ113-220145-
Kauai Channel-
302 AM HST Tue May 21 2019

TODAY
Winds variable less than 10 knots. Wind waves 3 feet.
Isolated showers.

TONIGHT
Northeast winds 10 knots. Wind waves 3 feet. Isolated
showers through the night.

WEDNESDAY
East winds 15 knots. Wind waves 4 feet. Swell south
3 feet. Isolated showers through the day.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 4 feet. Swell
south 3 feet. Isolated showers in the evening.

THURSDAY
East winds 10 knots. Wind waves 4 feet. Swell south
3 feet. Isolated showers through the day.

THURSDAY NIGHT
East winds 10 knots. Wind waves 5 feet. Swell
south 3 feet. Isolated showers in the evening.

FRIDAY
East winds 10 knots in the morning becoming variable
less than 10 knots, then becoming east 10 knots. Wind waves 4 to
5 feet. Northwest swell 3 to 4 feet. Isolated showers.

SATURDAY
East winds 10 knots. Wind waves 5 feet. Mixed swell
northwest 4 to 5 feet and south 3 feet. Isolated showers. 



PHZ114-220145-
Oahu Windward Waters-
302 AM HST Tue May 21 2019

TODAY
East winds 10 knots. Wind waves 4 feet. Scattered
showers in the morning, then isolated showers in the afternoon.

TONIGHT
East winds 10 knots. Wind waves 5 feet. Scattered
showers.

WEDNESDAY
East winds 15 knots. Wind waves 5 feet. Swell south
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 5 feet. Swell
south 3 feet. Scattered showers in the evening, then isolated
showers after midnight.

THURSDAY
East winds 15 knots. Wind waves 5 feet. Swell south
3 feet. Isolated showers.

THURSDAY NIGHT
East winds 15 knots. Wind waves 6 feet. Swell
south 3 feet. Scattered showers in the evening, then isolated
showers after midnight.

FRIDAY
East winds 15 knots. Wind waves 6 feet. Northwest swell
3 to 4 feet. Isolated showers.

SATURDAY
East winds 10 knots. Wind waves 5 feet. Mixed swell
northwest 4 to 5 feet and south 3 feet. Isolated showers. 



PHZ115-220145-
Oahu Leeward Waters-
302 AM HST Tue May 21 2019

TODAY
Winds variable less than 10 knots. Wind waves 3 feet.
Isolated showers through the day.

TONIGHT
North winds 10 knots veering east after midnight. Wind
waves 2 feet or less. Isolated showers in the evening.

WEDNESDAY
East winds 15 knots. Wind waves 4 feet. Swell south
3 feet. Isolated showers in the afternoon.

WEDNESDAY NIGHT
East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 4 feet. Swell south
3 feet. Isolated showers in the evening.

THURSDAY
Winds variable less than 10 knots. Wind waves 3 feet.
Swell south 3 feet. Isolated showers in the afternoon.

THURSDAY NIGHT
Winds variable less than 10 knots becoming
southeast 10 knots after midnight. Wind waves 4 feet. Swell south
3 feet. Isolated showers in the evening.

FRIDAY
Winds variable less than 10 knots. Wind waves 3 feet.
Mixed swell northwest 3 to 4 feet and south 3 feet. Isolated
showers.

SATURDAY
East winds 10 knots. Wind waves 3 feet. Mixed swell
northwest 4 feet and south 3 feet. Isolated showers. 



PHZ116-220145-
Kaiwi Channel-
302 AM HST Tue May 21 2019

TODAY
Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 4 feet. Isolated showers
through the day.

TONIGHT
East winds 15 knots. Wind waves 5 feet. Swell south
3 feet. Scattered showers through the night.

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

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 5 feet. Swell
south 4 feet. Isolated showers through the night.

THURSDAY
Northeast winds 15 knots. Wind waves 4 feet. Swell
south 3 to 4 feet. Isolated showers through the day.

THURSDAY NIGHT
East winds 15 knots. Wind waves 6 feet. Swell
south 3 feet. Isolated showers through the night.

FRIDAY
East winds 15 knots. Wind waves 6 feet. Mixed swell
northwest 3 to 4 feet and south 3 feet. Isolated showers.

SATURDAY
East winds 15 knots. Wind waves 5 feet. Mixed swell
northwest 4 feet and south 3 to 4 feet. Isolated showers. 



PHZ117-220145-
Maui County Windward Waters-
302 AM HST Tue May 21 2019

TODAY
Southeast winds 15 knots. Wind waves 5 feet. Scattered
showers in the morning, then isolated showers in the afternoon.

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

WEDNESDAY
East winds 20 knots. Wind waves 5 feet. Swell
southwest 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves 5 feet. Swell
southwest 3 feet. Scattered showers in the evening, then isolated
showers after midnight.

THURSDAY
East winds 15 knots. Wind waves 5 feet. Swell
southwest 3 feet. Isolated showers.

THURSDAY NIGHT
East winds 15 knots. Wind waves 6 feet. Swell
southwest 3 feet. Scattered showers in the evening, then isolated
showers after midnight.

FRIDAY
East winds 15 knots. Wind waves 6 feet. Northwest swell
3 to 4 feet. Isolated showers.

SATURDAY
East winds 15 knots. Wind waves 5 feet. Mixed swell
northwest 4 feet and southwest 3 feet. Isolated showers. 



PHZ118-220145-
Maui County Leeward Waters-
302 AM HST Tue May 21 2019

TODAY
Southwest winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 4 feet. Swell south
3 feet. Isolated showers in the afternoon.

TONIGHT
Winds variable less than 10 knots becoming southeast
10 knots after midnight. Wind waves 3 feet. Swell south 3 feet.
Isolated showers in the evening.

WEDNESDAY
East winds 20 knots. Wind waves 5 feet. Swell south
4 feet.

WEDNESDAY NIGHT
East winds 10 knots. Wind waves 5 feet. Swell
south 4 feet. Isolated showers in the evening.

THURSDAY
North winds 10 knots. Wind waves 3 feet. Swell south
4 feet. Isolated showers in the afternoon.

THURSDAY NIGHT
East winds 10 knots. Wind waves 4 feet. Swell
south 4 feet. Isolated showers in the evening.

FRIDAY
Northeast winds 10 knots backing north in the afternoon
and evening, then veering east after midnight. Wind waves 4 feet.
Mixed swell northwest 3 feet and south 3 feet. Isolated showers.

SATURDAY
East winds 10 knots backing northeast. Wind waves
4 feet. Mixed swell northwest 3 feet and south 3 to 4 feet. 



PHZ119-220145-
Maalaea Bay-
302 AM HST Tue May 21 2019

TODAY
Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated showers in the afternoon.

TONIGHT
North winds 15 knots. Wind waves 2 feet or less.

WEDNESDAY
Northeast winds 10 knots backing southwest in the
afternoon. Wind waves 2 feet or less.

WEDNESDAY NIGHT
North winds 15 knots. Wind waves 2 feet or
less.

THURSDAY
North winds 10 knots rising to 20 knots in the
afternoon. Wind waves 2 feet or less.

THURSDAY NIGHT
North winds 10 knots. Wind waves 2 feet or
less.

FRIDAY
North winds 10 knots. Wind waves 2 feet or less.

SATURDAY
North winds 10 knots. Wind waves 2 feet or less. 



PHZ120-220145-
Pailolo Channel-
302 AM HST Tue May 21 2019

TODAY
Winds variable less than 10 knots becoming north
10 knots in the afternoon. Wind waves 4 feet. Isolated showers.

TONIGHT
East winds 10 knots. Wind waves 4 feet. Scattered
showers in the evening. Isolated showers after midnight.

WEDNESDAY
East winds 20 knots. Wind waves 5 feet. Swell south
3 feet. Isolated showers.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves 4 feet. Swell
south 3 feet. Isolated showers in the evening.

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

THURSDAY NIGHT
East winds 10 knots. Wind waves 5 feet. Swell
south 3 feet. Isolated showers in the evening.

FRIDAY
East winds 10 knots. Wind waves 5 feet. Northwest swell
3 feet. Isolated showers.

SATURDAY
East winds 10 knots. Wind waves 5 feet. Mixed swell
northwest 3 feet and south 3 feet. Isolated showers. 



PHZ121-220145-
Alenuihaha Channel-
302 AM HST Tue May 21 2019

TODAY
East winds 15 knots. Wind waves 5 feet. Isolated
showers.

TONIGHT
East winds 20 knots. Wind waves 6 feet. Scattered
showers.

WEDNESDAY
East winds to 25 knots. Wind waves 6 feet. Swell
south 3 feet. Scattered showers in the morning. Isolated showers
in the afternoon.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves 6 feet. Swell
south 3 feet. Isolated showers.

THURSDAY
East winds 20 knots. Wind waves 5 feet. Swell south
3 feet. Isolated showers.

THURSDAY NIGHT
East winds 15 knots. Wind waves 6 feet. Swell
south 3 feet. Isolated showers.

FRIDAY
East winds 15 knots. Wind waves 6 to 7 feet. Mixed
swell northwest 3 feet and south 3 feet. Isolated showers.

SATURDAY
East winds 15 knots. Wind waves 6 feet. Mixed swell
northwest 3 to 4 feet and south 3 feet. Isolated showers. 



PHZ122-220145-
Big Island Windward Waters-
302 AM HST Tue May 21 2019

TODAY
Southeast winds 15 knots. Wind waves 5 feet. Isolated
showers through the day.

TONIGHT
East winds 20 knots. Wind waves 6 feet. Scattered
showers in the evening, then isolated showers after midnight.

WEDNESDAY
East winds 20 knots. Wind waves 6 feet. Swell south
3 feet. Isolated showers.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves 6 feet. Swell
south 3 feet. Scattered showers in the evening, then isolated
showers after midnight.

THURSDAY
East winds 20 knots. Wind waves 5 feet. Swell south
3 feet. Isolated showers.

THURSDAY NIGHT
East winds 15 knots. Wind waves 6 feet. Swell
south 3 feet. Scattered showers in the evening, then isolated
showers after midnight.

FRIDAY
East winds 15 knots. Wind waves 6 to 7 feet. Mixed
swell northwest 3 feet and south 3 feet. Scattered showers.

SATURDAY
East winds 15 knots. Wind waves 5 to 6 feet. Mixed
swell northwest 3 to 4 feet and south 3 to 4 feet. Scattered
showers. 



PHZ123-220145-
Big Island Leeward Waters-
302 AM HST Tue May 21 2019

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

TONIGHT
West of the Big Island, winds variable less than
10 knots becoming north 10 knots after midnight. Near South
Point, east winds 20 knots. Wind waves 7 feet. Isolated showers.

WEDNESDAY
Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 7 feet.
Swell south 3 feet. Isolated showers.

WEDNESDAY NIGHT
West of the Big Island, winds variable less
than 10 knots becoming northwest 10 knots after midnight. Near
South Point, east winds 20 knots. Wind waves 7 feet. Swell south
3 feet. Isolated showers in the evening.

THURSDAY
Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 5 feet. Swell
south 3 feet. Isolated showers in the afternoon.

THURSDAY NIGHT
Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 7 feet.
Swell south 3 feet. Isolated showers in the evening.

FRIDAY
West of the Big Island, northwest winds 10 knots
becoming variable less than 10 knots. Near South Point, east
winds 15 knots. Wind waves 6 feet. Swell south 3 feet. Isolated
showers.

SATURDAY
West of the Big Island, winds variable less than
10 knots becoming west 10 knots in the afternoon, then becoming
variable less than 10 knots. Near South Point, east winds
15 knots. Wind waves 7 feet. Mixed swell northwest 3 feet and
south 3 feet. Isolated showers. 



PHZ124-220145-
Big Island Southeast Waters-
302 AM HST Tue May 21 2019

TODAY
East winds 15 knots. Wind waves 5 feet. Isolated
showers.

TONIGHT
East winds 20 knots. Wind waves 6 feet. Scattered
showers in the evening, then isolated showers after midnight.

WEDNESDAY
East winds 20 knots. Wind waves 6 feet. Swell south
3 feet. Isolated showers in the morning.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves 6 feet. Swell
south 3 feet. Scattered showers in the evening, then isolated
showers after midnight.

THURSDAY
East winds 20 knots. Wind waves 5 feet. Swell south
3 feet. Isolated showers in the morning.

THURSDAY NIGHT
East winds 20 knots. Wind waves 7 feet. Swell
south 3 feet. Scattered showers in the evening, then isolated
showers after midnight.

FRIDAY
East winds 15 knots. Wind waves 6 feet. Swell south
3 feet. Scattered showers.

SATURDAY
East winds 15 knots. Wind waves 7 feet. Mixed swell
northwest 3 feet and south 3 to 4 feet. Isolated showers.