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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

033
FZHW50 PHFO 210126
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
326 PM HST Thu Feb 20 2020

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

PHZ100-211430-
326 PM HST Thu Feb 20 2020

.Synopsis for Hawaiian coastal waters...
A strong surface high far north of the islands will move slowly
east over the next couple of days, producing strong easterly
trade winds, especially where the wind accelerates around the
islands. By this weekend, the winds will gradually weaken, and
shift out of the southeast as a front approaches from the
northwest.

$$

PHZ110-211430-
Kauai Northwest Waters-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...East winds 20 knots. Wind waves 9 feet. Northwest
swell 5 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 8 feet. Northwest swell
4 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 8 feet. Northwest
swell 5 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 7 feet. Northwest
swell 6 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 knots. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers through the night.
.SUNDAY...Southwest winds 10 knots. Wind waves 5 feet. Northwest
swell 5 feet. Isolated showers through the day.
.SUNDAY NIGHT...Northwest winds 10 knots veering northeast after
midnight. Wind waves 5 feet. Northwest swell 4 feet. Showers
likely.
.MONDAY...East winds 15 knots. Wind waves 6 to 7 feet. Northwest
swell 4 to 6 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 8 to 10 feet. Scattered showers.

$$

PHZ111-211430-
Kauai Windward Waters-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...East winds 20 knots. Wind waves 9 feet. Northwest
swell 4 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 8 feet. Northwest swell
4 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 8 feet. Northwest
swell 5 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 7 feet. Northwest
swell 6 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers.
.SUNDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 5 feet. Northwest swell
5 feet. Isolated showers.
.SUNDAY NIGHT...Winds variable less than 10 knots becoming north
10 knots after midnight. Wind waves 5 feet. Northwest swell
4 feet. Scattered showers.
.MONDAY...Northeast winds 15 knots. Wind waves 6 to 7 feet.
Northwest swell 4 to 6 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 8 to 10 feet. Scattered showers.

$$

PHZ112-211430-
Kauai Leeward Waters-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...East winds 20 knots. Wind waves 9 feet. Northwest
swell 4 feet. Isolated showers through the night.
.FRIDAY...East winds 20 knots. Wind waves 8 feet. Northwest swell
4 feet. Isolated showers in the morning.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 7 feet. Northwest
swell 5 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 7 feet. Northwest
swell 6 feet. Isolated showers in the morning.
.SATURDAY NIGHT...Southeast winds 10 knots. Wind waves 5 feet.
Northwest swell 5 feet. Isolated showers through the night.
.SUNDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 4 feet. Northwest swell
4 feet. Isolated showers in the morning, then scattered showers
in the afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots becoming
northeast 10 knots after midnight. Wind waves 4 feet. Northwest
swell 4 feet. Scattered showers.
.MONDAY...Northeast winds 15 knots becoming east to 25 knots
after midnight. Wind waves 5 to 7 feet. Northwest swell 4 to
6 feet. Scattered showers.
.TUESDAY...East winds to 25 knots...east 15 knots in the
Kaulakahi Channel. Wind waves 7 to 8 feet. Northwest swell 8 to
10 feet. Isolated showers.

$$

PHZ113-211430-
Kauai Channel-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...East winds 20 knots. Wind waves 9 feet. North swell
4 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 8 feet. North swell
4 feet. Isolated showers through the day.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 7 feet. Northwest
swell 6 feet. Isolated showers through the day.
.SATURDAY NIGHT...Southeast winds 10 knots. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers through the night.
.SUNDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 5 feet. Northwest swell
4 feet. Isolated showers through the day.
.SUNDAY NIGHT...Northwest winds 10 knots veering north after
midnight. Wind waves 5 feet. Northwest swell 4 feet. Scattered
showers.
.MONDAY...Northeast winds 15 knots. Wind waves 5 to 7 feet.
Northwest swell 4 to 6 feet. Scattered showers.
.TUESDAY...Northeast winds 20 knots. Wind waves 7 to 8 feet.
Northwest swell 8 to 10 feet. Scattered showers.

$$

PHZ114-211430-
Oahu Windward Waters-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...East winds 20 knots. Wind waves 9 feet. Northwest
swell 5 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 9 feet. Northwest swell
4 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 8 feet. Northwest
swell 5 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 6 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 6 feet. Isolated showers.
.SUNDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 6 feet. Northwest swell
5 feet. Isolated showers.
.SUNDAY NIGHT...Winds variable less than 10 knots becoming
northeast 10 knots after midnight. Wind waves 5 feet. Northwest
swell 4 feet. Scattered showers.
.MONDAY...Northeast winds 10 knots rising to 20 knots. Wind waves
6 to 7 feet. Northwest swell 4 to 6 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 8 to 10 feet. Scattered showers.

$$

PHZ115-211430-
Oahu Leeward Waters-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 4 feet.
.FRIDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 7 feet. Northwest
swell 4 feet. Isolated showers in the evening.
.SATURDAY...East winds 10 knots. Wind waves 6 feet. Northwest
swell 5 feet.
.SATURDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 5 feet. Northwest swell
4 feet. Isolated showers through the night.
.SUNDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 4 feet. Northwest swell
4 feet. Isolated showers through the day.
.SUNDAY NIGHT...North winds 10 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers.
.MONDAY...Northeast winds 15 knots. Wind waves 4 to 6 feet.
Northwest swell 3 to 4 feet. Isolated showers.
.TUESDAY...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 6 to 8 feet. Isolated showers.

$$

PHZ116-211430-
Kaiwi Channel-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...East winds to 25 knots. Wind waves 10 feet. North
swell 5 feet. Isolated showers.
.FRIDAY...East winds to 25 knots. Wind waves 9 feet. North swell
4 feet. Isolated showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 8 feet. North
swell 4 feet. Isolated showers through the night.
.SATURDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 5 feet. Isolated showers.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves 7 feet.
Northwest swell 5 feet. Isolated showers through the night.
.SUNDAY...South winds 10 knots. Wind waves 6 feet. Northwest
swell 5 feet. Isolated showers through the day.
.SUNDAY NIGHT...North winds 10 knots. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers.
.MONDAY...Northeast winds 15 knots rising to to 25 knots after
midnight. Wind waves 5 to 7 feet. Northwest swell 3 to 5 feet.
Isolated showers.
.TUESDAY...Northeast winds 20 knots. Wind waves 7 to 8 feet.
Northwest swell 7 to 9 feet. Scattered showers.

$$

PHZ117-211430-
Maui County Windward Waters-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...East winds to 25 knots. Wind waves 10 feet. Northwest
swell 5 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 5 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 20 knots. Wind waves 7 feet.
Northwest swell 6 feet. Isolated showers.
.SUNDAY...Southeast winds 15 knots. Wind waves 7 feet. Northwest
swell 5 feet. Isolated showers in the morning, then scattered
showers in the afternoon.
.SUNDAY NIGHT...East winds 10 knots. Wind waves 6 feet. Northwest
swell 4 feet. Scattered showers.
.MONDAY...East winds 10 knots rising to 20 knots. Wind waves 5 to
7 feet. Northwest swell 3 to 5 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 7 to 9 feet. Scattered showers.

$$

PHZ118-211430-
Maui County Leeward Waters-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...East winds to 25 knots. Wind waves 10 feet. North
swell 3 feet. Isolated showers after midnight.
.FRIDAY...East winds to 25 knots. Wind waves 10 feet. North swell
3 feet. Isolated showers in the morning.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 9 feet. Northwest
swell 3 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 7 feet. Northwest
swell 4 feet. Isolated showers in the morning.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers.
.SUNDAY...Southeast winds 10 knots veering west in the afternoon.
Wind waves 5 feet. Northwest swell 3 feet. Isolated showers.
.SUNDAY NIGHT...North winds 10 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers.
.MONDAY...Northeast winds 10 knots rising to 20 knots. Wind waves
3 to 5 feet. Northwest swell 3 feet. Isolated showers.
.TUESDAY...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 5 to 7 feet. Isolated showers.

$$

PHZ119-211430-
Maalaea Bay-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...North winds to 30 knots. Wind waves 5 feet.
.FRIDAY...North winds to 30 knots. Wind waves 4 feet.
.FRIDAY NIGHT...North winds to 25 knots. Wind waves 3 feet.
.SATURDAY...North winds 20 knots. Wind waves 3 feet in the
morning then 2 feet or less.
.SATURDAY NIGHT...North winds 20 knots. Wind waves 2 feet or
less.
.SUNDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated showers in the afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less.
.MONDAY...Winds variable less than 10 knots becoming north
20 knots. Wind waves 3 feet.
.TUESDAY...North winds to 25 knots. Wind waves 3 feet.

$$

PHZ120-211430-
Pailolo Channel-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...East winds to 30 knots. Wind waves 9 feet. North swell
4 feet. Isolated showers.
.FRIDAY...East winds to 30 knots. Wind waves 9 feet. North swell
3 feet. Isolated showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet. North
swell 3 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 4 feet. Isolated showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers.
.SUNDAY...Winds variable less than 10 knots becoming northwest
10 knots in the afternoon. Wind waves 6 feet. Northwest swell
3 feet. Isolated showers.
.SUNDAY NIGHT...Northwest winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 5 feet. Northwest swell
3 feet. Isolated showers.
.MONDAY...East winds 10 knots becoming northeast 20 knots. Wind
waves 5 to 7 feet. Northwest swell 3 feet. Scattered showers.
.TUESDAY...East winds to 25 knots. Wind waves 6 to 7 feet.
Northwest swell 5 to 7 feet. Scattered showers.

$$

PHZ121-211430-
Alenuihaha Channel-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...East winds to 30 knots. Wind waves 12 feet. North
swell 5 feet. Isolated showers.
.FRIDAY...East winds to 30 knots. Wind waves 11 feet. North swell
4 feet. Isolated showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 5 feet. Isolated showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 5 feet. Isolated showers.
.SUNDAY...Northeast winds 15 knots backing northwest in the
afternoon. Wind waves 7 feet. Northwest swell 5 feet. Isolated
showers.
.SUNDAY NIGHT...Northeast winds 10 knots. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers.
.MONDAY...Northeast winds 10 knots rising to 20 knots. Wind waves
5 to 7 feet. Northwest swell 3 to 4 feet. Isolated showers.
.TUESDAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 6 to 8 feet. Isolated showers.

$$

PHZ122-211430-
Big Island Windward Waters-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 5 feet. Isolated showers in the evening, then scattered
showers after midnight.
.FRIDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 5 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 5 feet. Isolated showers.
.SUNDAY...Southeast winds 20 knots. Wind waves 7 feet. Northwest
swell 5 feet. Isolated showers in the morning, then scattered
showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 knots. Wind waves 6 feet.
Northwest swell 4 feet. Scattered showers.
.MONDAY...East winds 10 knots becoming northeast 20 knots. Wind
waves 5 to 6 feet. Northwest swell 3 to 4 feet. Scattered
showers.
.TUESDAY...East winds 20 knots. Wind waves 6 to 7 feet. Northwest
swell 6 to 8 feet. Scattered showers.

$$

PHZ123-211430-
Big Island Leeward Waters-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east to 30 knots near South Point. Wind waves 12 feet.
Northwest swell 3 feet. Isolated showers after midnight.
.FRIDAY...West of the Big Island, winds variable less than
10 knots becoming west 10 knots in the afternoon. Near South
Point, east winds to 30 knots. Wind waves 11 feet. Northwest
swell 3 feet. Isolated showers in the morning.
.FRIDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 10 feet.
Northwest swell 3 feet. Isolated showers through the night.
.SATURDAY...West of the Big Island, winds variable less than
10 knots becoming northwest 10 knots in the afternoon. Near South
Point, east winds 20 knots. Wind waves 10 feet. Northwest swell
3 feet. Isolated showers in the morning.
.SATURDAY NIGHT...West of the Big Island, winds variable less
than 10 knots becoming northeast 10 knots after midnight. Near
South Point, east winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Isolated showers through the night.
.SUNDAY...North winds 10 knots west of the Big Island...east
15 knots near South Point. Wind waves 8 feet. Northwest swell
4 feet. Isolated showers through the day.
.SUNDAY NIGHT...West of the Big Island, north winds 10 knots in
the evening becoming variable less than 10 knots. Near South
Point, east winds 15 knots. Wind waves 6 feet. Northwest swell
4 feet. Isolated showers.
.MONDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east winds 15 knots rising to to
25 knots after midnight. Wind waves 6 to 8 feet. Northwest swell
3 feet. Isolated showers.
.TUESDAY...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 to 6 feet. Isolated showers.

$$

PHZ124-211430-
Big Island Southeast Waters-
326 PM HST Thu Feb 20 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TONIGHT...Northeast winds to 30 knots. Wind waves 12 feet. North
swell 4 feet. Isolated showers through the night.
.FRIDAY...Northeast winds to 30 knots. Wind waves 11 feet. North
swell 4 feet. Isolated showers through the day.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 9 feet. North
swell 3 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 9 feet. North swell
3 feet. Isolated showers through the day.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 8 feet.
Northwest swell 4 feet. Isolated showers.
.SUNDAY...East winds 15 knots. Wind waves 7 feet. Northwest swell
4 feet. Isolated showers in the morning, then scattered showers
in the afternoon.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Northwest
swell 4 feet. Scattered showers.
.MONDAY...Northeast winds 15 knots rising to to 25 knots after
midnight. Wind waves 6 to 8 feet. Northwest swell 3 feet.
Scattered showers.
.TUESDAY...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 4 to 6 feet. Scattered showers.

$$

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



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