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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

351
FZHW50 PHFO 211905
CWFHFO

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

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

PHZ100-220815-
905 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.

$$

PHZ110-220815-
Kauai Northwest Waters-
905 AM HST Tue May 21 2019

.REST OF 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.

$$

PHZ111-220815-
Kauai Windward Waters-
905 AM HST Tue May 21 2019

.REST OF TODAY...Southeast winds 10 knots late in the morning
becoming variable less than 10 knots. Wind waves 3 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.

$$

PHZ112-220815-
Kauai Leeward Waters-
905 AM HST Tue May 21 2019

.REST OF TODAY...Winds variable less than 10 knots. Wind waves
3 feet late 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.

$$

PHZ113-220815-
Kauai Channel-
905 AM HST Tue May 21 2019

.REST OF 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.

$$

PHZ114-220815-
Oahu Windward Waters-
905 AM HST Tue May 21 2019

.REST OF TODAY...East winds 10 knots. Wind waves 4 feet.
Scattered showers late 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.

$$

PHZ115-220815-
Oahu Leeward Waters-
905 AM HST Tue May 21 2019

.REST OF 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.

$$

PHZ116-220815-
Kaiwi Channel-
905 AM HST Tue May 21 2019

.REST OF TODAY...West winds 10 knots late 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.

$$

PHZ117-220815-
Maui County Windward Waters-
905 AM HST Tue May 21 2019

.REST OF TODAY...Southeast winds 15 knots. Wind waves 5 feet.
Scattered showers late 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.

$$

PHZ118-220815-
Maui County Leeward Waters-
905 AM HST Tue May 21 2019

.REST OF TODAY...West winds 10 knots late in the morning becoming
variable less than 10 knots. Wind waves 3 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.

$$

PHZ119-220815-
Maalaea Bay-
905 AM HST Tue May 21 2019

.REST OF 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. Isolated showers in the evening.
.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. Isolated showers in the evening.
.FRIDAY...North winds 10 knots. Wind waves 2 feet or less.
.SATURDAY...North winds 10 knots. Wind waves 2 feet or less.

$$

PHZ120-220815-
Pailolo Channel-
905 AM HST Tue May 21 2019

.REST OF TODAY...Northwest winds 10 knots. 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.

$$

PHZ121-220815-
Alenuihaha Channel-
905 AM HST Tue May 21 2019

.REST OF 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.

$$

PHZ122-220815-
Big Island Windward Waters-
905 AM HST Tue May 21 2019

.REST OF TODAY...Southeast winds 20 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.

$$

PHZ123-220815-
Big Island Leeward Waters-
905 AM HST Tue May 21 2019

.REST OF TODAY...Winds variable less than 10 knots west of the
Big Island...east 20 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.

$$

PHZ124-220815-
Big Island Southeast Waters-
905 AM HST Tue May 21 2019

.REST OF 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.

$$

Bulletins, Forecasts and Observations are courtesy of Honolulu National Weather Service Forecast Office



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