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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

716
FZHW50 PHFO 211335
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
335 AM HST Thu Nov 21 2019

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

PHZ100-220245-
335 AM HST Thu Nov 21 2019

.Synopsis for Hawaiian coastal waters...
Trade winds will be strengthening through today and tonight
as high pressure builds northeast of the islands. Trade winds may
reach gale force in some channels by Friday. A slight softening
of the trades may occur early next week.



$$

PHZ110-220245-
Kauai Northwest Waters-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
12 feet. Scattered showers.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 12 feet decreasing to 10 feet after midnight. Scattered
showers.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 8 feet decreasing to 6 feet in the afternoon. Scattered
showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 6 feet. Scattered showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 8 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
6 to 8 feet. Scattered showers.
.MONDAY...Southeast winds to 25 knots. Wind waves 6 to 7 feet.
Northwest swell 4 to 6 feet. Isolated showers.

$$

PHZ111-220245-
Kauai Windward Waters-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
12 feet. Scattered showers.
.TONIGHT...East winds 20 knots. Wind waves 7 feet. Northwest
swell 12 feet decreasing to 10 feet after midnight. Scattered
showers.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 8 feet decreasing to 6 feet in the afternoon. Scattered
showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 6 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 6 feet. Scattered showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 8 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
6 to 8 feet. Scattered showers.
.MONDAY...Southeast winds to 25 knots. Wind waves 6 to 7 feet.
Northwest swell 4 to 6 feet. Scattered showers.

$$

PHZ112-220245-
Kauai Leeward Waters-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
12 feet. Isolated showers.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 12 feet decreasing to 10 feet after midnight. Isolated
showers in the evening, then scattered showers after midnight.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 8 feet decreasing to 6 feet in the afternoon. Isolated
showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 6 feet. Isolated showers in the evening, then
scattered showers after midnight.
.SATURDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 6 feet. Isolated showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 8 feet. Isolated showers in the evening, then
scattered showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 5 to 7 feet. Northwest
swell 6 to 8 feet. Isolated showers.
.MONDAY...Southeast winds 20 knots. Wind waves 5 feet. Northwest
swell 4 to 6 feet. Isolated showers.

$$

PHZ113-220245-
Kauai Channel-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
12 feet. Isolated showers.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 12 feet decreasing to 10 feet after midnight. Isolated
showers in the evening, then scattered showers after midnight.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 8 feet decreasing to 6 feet in the afternoon. Isolated
showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet. Isolated showers in the evening, then
scattered showers after midnight.
.SATURDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 5 feet. Isolated showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 7 feet. Isolated showers in the evening, then
scattered showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 6 to 7 feet. Northwest
swell 6 to 7 feet. Scattered showers.
.MONDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
4 to 6 feet. Isolated showers.

$$

PHZ114-220245-
Oahu Windward Waters-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
12 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 11 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 7 feet. Scattered showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 6 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 6 feet. Scattered showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 8 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 7 to 8 feet.
Northwest swell 7 to 8 feet. Scattered showers.
.MONDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 5 to 7 feet. Scattered showers.

$$

PHZ115-220245-
Oahu Leeward Waters-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 10 feet. Isolated showers.
.TONIGHT...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 11 feet decreasing to 9 feet after midnight. Isolated
showers.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 7 feet decreasing to 5 feet in the afternoon. Isolated
showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 5 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 5 feet. Isolated showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 6 feet. Isolated showers.
.SUNDAY...East winds 15 knots. Wind waves 4 to 6 feet. Northwest
swell 5 to 6 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Northwest swell
3 to 5 feet. Isolated showers.

$$

PHZ116-220245-
Kaiwi Channel-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 12 feet. Isolated showers.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 11 feet. Isolated showers.
.FRIDAY...East winds to 30 knots. Wind waves 8 feet. Northwest
swell 8 feet decreasing to 6 feet in the afternoon. Isolated
showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 8 feet. North
swell 5 feet. Isolated showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 7 feet. Isolated showers.
.SUNDAY...East winds to 25 knots. Wind waves 7 to 8 feet.
Northwest swell 6 to 7 feet. Isolated showers.
.MONDAY...East winds to 25 knots. Wind waves 6 to 7 feet.
Northwest swell 4 to 6 feet. Isolated showers.

$$

PHZ117-220245-
Maui County Windward Waters-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 12 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 11 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 8 feet decreasing to 6 feet in the afternoon. Scattered
showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 5 feet. Scattered showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 7 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 7 feet. Scattered showers.
.MONDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 5 to 7 feet. Scattered showers.

$$

PHZ118-220245-
Maui County Leeward Waters-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
9 feet. Isolated showers.
.TONIGHT...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 8 feet. Isolated showers.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 6 feet decreasing to 4 feet in the afternoon. Isolated
showers through the day.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 8 feet. Northwest
swell 4 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Isolated showers through the day.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 8 feet.
Northwest swell 5 feet. Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves 6 to 7 feet. Northwest
swell 4 to 5 feet. Isolated showers.
.MONDAY...East winds 20 knots. Wind waves 4 feet. Northwest swell
3 to 4 feet. Isolated showers.

$$

PHZ119-220245-
Maalaea Bay-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...North winds to 25 knots. Wind waves 2 feet or less then
3 feet in the afternoon.
.TONIGHT...North winds to 25 knots. Wind waves 3 feet in the
evening then 2 feet or less.
.FRIDAY...North winds to 30 knots. Wind waves 3 feet.
.FRIDAY NIGHT...North winds to 25 knots. Wind waves 3 feet.
.SATURDAY...North winds to 30 knots. Wind waves 4 feet.
.SATURDAY NIGHT...North winds to 25 knots. Wind waves 3 feet.
.SUNDAY...North winds to 25 knots. Wind waves 3 feet.
.MONDAY...North winds to 25 knots. Wind waves 2 feet or less.
Isolated showers.

$$

PHZ120-220245-
Pailolo Channel-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 9 feet. Isolated showers in the morning, then scattered
showers in the afternoon.
.TONIGHT...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 8 feet. Scattered showers.
.FRIDAY...East winds to 30 knots. Wind waves 8 feet. Northwest
swell 6 feet decreasing to 4 feet in the afternoon. Scattered
showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY...East winds to 30 knots. Wind waves 7 feet. Northwest
swell 4 feet. Scattered showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 5 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 6 to 7 feet.
Northwest swell 4 to 5 feet. Scattered showers.
.MONDAY...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 3 to 4 feet. Isolated showers.

$$

PHZ121-220245-
Alenuihaha Channel-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 11 feet. Isolated showers in the morning. Scattered showers
in the afternoon.
.TONIGHT...East winds to 30 knots. Wind waves 7 feet. Northwest
swell 12 feet decreasing to 10 feet after midnight. Isolated
showers.
.FRIDAY...East winds to 30 knots. Wind waves 8 feet. Northwest
swell 8 feet decreasing to 6 feet in the afternoon. Isolated
showers in the morning. Scattered showers in the afternoon.
.FRIDAY NIGHT...East winds to 30 knots. Wind waves 10 feet.
Northwest swell 5 feet. Isolated showers.
.SATURDAY...East winds to 30 knots. Wind waves 10 feet. Northwest
swell 5 feet. Isolated showers in the morning. Scattered showers
in the afternoon.
.SATURDAY NIGHT...East winds to 30 knots. Wind waves 9 feet.
Northwest swell 6 feet. Isolated showers.
.SUNDAY...East winds to 25 knots. Wind waves 7 to 8 feet.
Northwest swell 6 to 7 feet. Isolated showers.
.MONDAY...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 4 to 6 feet. Isolated showers.

$$

PHZ122-220245-
Big Island Windward Waters-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
12 feet. Scattered showers.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 11 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 8 feet decreasing to 6 feet in the afternoon. Scattered
showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 5 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 5 feet. Scattered showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 6 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
7 feet. Scattered showers.
.MONDAY...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 5 to 7 feet. Scattered showers.

$$

PHZ123-220245-
Big Island Leeward Waters-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 6 feet.
Northwest swell 9 feet. Isolated showers.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east to 30 knots near South Point. Wind waves 7 feet.
Northwest swell 9 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots west of the Big
Island...east to 30 knots near South Point. Wind waves 8 feet.
Northwest swell 7 feet decreasing to 5 feet in the afternoon.
Isolated showers.
.FRIDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 9 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 9 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
9 feet. Northwest swell 4 feet. Isolated showers.
.SUNDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 to
9 feet. Northwest swell 5 feet. Isolated showers.
.MONDAY...West of the Big Island, winds variable less than
10 knots becoming north 10 knots after midnight. Near South
Point, east winds to 25 knots. Wind waves 7 to 8 feet. Northwest
swell 4 to 5 feet. Isolated showers.

$$

PHZ124-220245-
Big Island Southeast Waters-
335 AM HST Thu Nov 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.TODAY...Northeast winds to 25 knots. Wind waves 6 feet.
Northwest swell 9 feet. Scattered showers.
.TONIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 9 feet. Scattered showers.
.FRIDAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 7 feet decreasing to 5 feet in the afternoon.
Scattered showers.
.FRIDAY NIGHT...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 9 feet.
Northwest swell 4 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 7 to 8 feet.
Northwest swell 5 feet. Scattered showers.
.MONDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 4 to 5 feet. Scattered showers.

$$

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



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