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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

663
FZHW50 PHFO 231935
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
935 AM HST Sat Feb 23 2019

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

PHZ100-240845-
935 AM HST Sat Feb 23 2019

.Synopsis for Hawaiian coastal waters...
Gentle to locally moderate northeast winds will prevail for the
next few days as a weak surface trough near the Big Island drifts
eastward and a weak surface high passes north of the state. North
winds will build to fresh levels on Tuesday and Wednesday as a
diffuse front moves down the island chain. During this time, a
combination of the building winds, a long period northwest swell,
and a short period north swell will lead to rough conditions.

$$

PHZ110-240845-
Kauai Northwest Waters-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...North winds 10 knots. Wind waves 4 feet.
Northwest swell 3 feet in the afternoon. Swell east 3 feet.
.TONIGHT...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 3 feet. Swell north 3 feet. Isolated showers.
.SUNDAY...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 4 feet. Scattered showers.
.MONDAY...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 6 feet and north 4 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds 20 knots. Wind waves 4 feet.
Northwest swell 7 feet and north 4 feet. Scattered showers.
.TUESDAY...North winds 20 knots. Wind waves 5 to 6 feet.
Northwest swell 7 to 9 feet and north 3 to 4 feet. Scattered
showers.
.WEDNESDAY...North winds 20 knots. Wind waves 6 feet. Northwest
swell 10 to 11 feet and north 6 to 8 feet. Isolated showers.

$$

PHZ111-240845-
Kauai Windward Waters-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...North winds 10 knots. Wind waves 4 feet. Swell
east 3 feet.
.TONIGHT...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 3 feet. Swell north 3 feet. Isolated showers.
.SUNDAY...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 4 feet. Scattered showers.
.MONDAY...Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 6 feet and north 4 feet. Scattered showers in the morning,
then isolated showers in the afternoon.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 7 feet and north 4 feet. Scattered showers.
.TUESDAY...North winds 15 knots. Wind waves 4 to 6 feet.
Northwest swell 7 to 9 feet and north 3 to 4 feet. Scattered
showers.
.WEDNESDAY...North winds 20 knots. Wind waves 5 to 6 feet.
Northwest swell 10 to 12 feet and north 5 to 7 feet. Isolated
showers.

$$

PHZ112-240845-
Kauai Leeward Waters-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...North winds 10 knots. Wind waves 3 feet.
.TONIGHT...Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet. Isolated showers.
.SUNDAY...Northeast winds 20 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers in the morning.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 4 feet. Isolated showers.
.MONDAY...Northeast winds 15 knots. Wind waves 3 feet. Northwest
swell 6 feet and north 3 to 4 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Northwest swell 6 feet and north 4 feet. Isolated showers.
.TUESDAY...Northeast winds 20 knots. Wind waves 5 to 6 feet.
Northwest swell 7 to 9 feet and north 3 to 4 feet. Isolated
showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 to 7 feet.
Northwest swell 9 to 11 feet and north 5 to 7 feet. Isolated
showers.

$$

PHZ113-240845-
Kauai Channel-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...Northeast winds 10 knots. Wind waves 4 feet.
Swell east 3 feet.
.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. Swell
northeast 3 feet increasing to northwest 3 feet after midnight.
Isolated showers.
.SUNDAY...Northeast winds 20 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers.
.MONDAY...Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 5 feet and north 3 to 4 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 6 feet and north 4 feet. Isolated showers.
.TUESDAY...Northeast winds 20 knots. Wind waves 5 to 6 feet.
Northwest swell 6 to 8 feet and north 3 to 4 feet. Isolated
showers.
.WEDNESDAY...North winds 20 knots. Wind waves 6 feet. Northwest
swell 9 to 11 feet and north 5 to 7 feet. Isolated showers.

$$

PHZ114-240845-
Oahu Windward Waters-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...Northeast winds 10 knots. Wind waves 4 feet.
Swell east 3 feet. Isolated showers.
.TONIGHT...Northeast winds 10 knots. Wind waves 4 feet. Swell
northeast 3 feet increasing to northwest 3 feet after midnight.
Isolated showers.
.SUNDAY...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 3 feet. Scattered showers.
.MONDAY...Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 5 feet and north 3 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 7 feet and north 4 feet. Scattered showers.
.TUESDAY...North winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 7 to 9 feet and north 3 to 4 feet. Scattered
showers.
.WEDNESDAY...North winds 20 knots. Wind waves 5 to 6 feet.
Northwest swell 10 to 12 feet and north 5 to 7 feet. Isolated
showers.

$$

PHZ115-240845-
Oahu Leeward Waters-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...Northeast winds 15 knots. Wind waves 3 feet.
.TONIGHT...Northeast winds 15 knots. Wind waves 3 feet.
.SUNDAY...Northeast winds 20 knots. Wind waves 4 feet. Northwest
swell 3 feet in the afternoon.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet.
.MONDAY...Northeast winds 10 knots. Wind waves 3 feet in the
morning then 2 feet or less. Northwest swell 4 feet. Swell north
3 feet.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Northwest swell 6 feet and north 4 feet. Isolated showers.
.TUESDAY...North winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 6 to 7 feet and north 3 to 4 feet. Isolated
showers.
.WEDNESDAY...North winds 20 knots. Wind waves 5 to 6 feet.
Northwest swell 8 to 10 feet and north 4 to 6 feet. Isolated
showers.

$$

PHZ116-240845-
Kaiwi Channel-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...Northeast winds 15 knots. Wind waves 4 feet.
Swell east 3 feet. Isolated showers through the day.
.TONIGHT...Northeast winds 10 knots. Wind waves 4 feet. Swell
northeast 3 feet. Scattered showers.
.SUNDAY...Northeast winds 20 knots. Wind waves 4 feet. Northwest
swell 3 feet. Scattered showers in the morning. Isolated showers
in the afternoon.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers.
.MONDAY...Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 4 feet. Swell north 3 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 7 feet and north 4 feet. Isolated showers.
.TUESDAY...North winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 7 to 8 feet and north 3 to 4 feet. Isolated
showers.
.WEDNESDAY...North winds 20 knots. Wind waves 5 feet. Northwest
swell 9 to 11 feet and north 5 to 7 feet. Isolated showers.

$$

PHZ117-240845-
Maui County Windward Waters-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...Northeast winds 10 knots. Wind waves 4 feet.
Swell east 3 feet. Isolated showers.
.TONIGHT...Northeast winds 10 knots. Wind waves 4 feet. Swell
northeast 3 feet. Scattered showers.
.SUNDAY...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.SUNDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers.
.MONDAY...Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 4 feet increasing to 6 feet and north 3 feet in the
afternoon. Isolated showers.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 7 feet and north 4 feet. Scattered showers.
.TUESDAY...North winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 7 to 8 feet and north 3 to 4 feet. Scattered
showers.
.WEDNESDAY...North winds 20 knots. Wind waves 5 feet. Northwest
swell 9 to 11 feet and north 5 to 7 feet. Isolated showers.

$$

PHZ118-240845-
Maui County Leeward Waters-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...North winds 10 knots. Wind waves 3 feet. Swell
east 3 feet. Isolated showers through the day.
.TONIGHT...Northeast winds 10 knots. Wind waves 3 feet. Swell
north 3 feet. Scattered showers.
.SUNDAY...Northeast winds 20 knots. Wind waves 4 feet. Scattered
showers in the morning.
.SUNDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
.MONDAY...Northeast winds 10 knots. Wind waves 3 feet in the
morning then 2 feet or less. Northwest swell 3 feet.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less then 3 feet after midnight. Northwest swell 4 feet and north
3 feet. Isolated showers.
.TUESDAY...North winds 15 knots. Wind waves 4 feet. Northwest
swell 5 feet and north 3 feet. Isolated showers.
.WEDNESDAY...North winds 20 knots. Wind waves 5 feet. Northwest
swell 6 to 8 feet and north 4 to 6 feet. Isolated showers.

$$

PHZ119-240845-
Maalaea Bay-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...North winds 10 knots. Wind waves 2 feet or less.
Isolated showers through the day.
.TONIGHT...Northeast winds 10 knots. Wind waves 2 feet or less.
.SUNDAY...Northeast winds 20 knots. Wind waves 2 feet or less.
.SUNDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less.
.MONDAY...Northeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 2 feet or less. Isolated
showers.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less.
.TUESDAY...Northeast winds 10 knots. Wind waves 2 feet or less.
.WEDNESDAY...North winds 15 knots. Wind waves 2 feet or less.

$$

PHZ120-240845-
Pailolo Channel-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...Northeast winds 15 knots. Wind waves 4 feet.
Swell east 3 feet. Isolated showers, then scattered showers in
the afternoon.
.TONIGHT...Northeast winds 10 knots. Wind waves 4 feet. Swell
northeast 3 feet. Isolated showers.
.SUNDAY...Northeast winds 20 knots. Wind waves 4 feet. Isolated
showers.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Isolated showers.
.MONDAY...Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Northwest swell 5 feet and north 3 to 4 feet. Isolated showers.
.TUESDAY...North winds 15 knots. Wind waves 4 feet. Northwest
swell 5 to 6 feet and north 3 to 4 feet. Scattered showers.
.WEDNESDAY...North winds 15 knots. Wind waves 4 feet. Northwest
swell 7 to 9 feet and north 4 to 6 feet. Isolated showers.

$$

PHZ121-240845-
Alenuihaha Channel-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...Northeast winds 15 knots. Wind waves 4 feet.
Swell east 3 feet. Isolated showers through the day. Slight
chance of thunderstorms in the afternoon.
.TONIGHT...Northeast winds 10 knots. Wind waves 4 feet. Swell
northeast 3 feet. Scattered showers.
.SUNDAY...Northeast winds 20 knots. Wind waves 4 feet. Scattered
showers in the morning. Isolated showers in the afternoon.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers.
.MONDAY...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Northwest swell 6 feet and north 3 feet. Isolated showers.
.TUESDAY...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 6 to 8 feet and north 3 to 4 feet. Isolated showers.
.WEDNESDAY...North winds 20 knots. Wind waves 5 feet. Northwest
swell 9 to 11 feet and north 4 to 6 feet. Isolated showers.

$$

PHZ122-240845-
Big Island Windward Waters-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...Southeast winds 15 knots backing northeast in
the afternoon. Wind waves 4 feet. Swell east 3 feet. Showers
likely. Slight chance of thunderstorms through the day. Scattered
showers in the afternoon.
.TONIGHT...Winds variable less than 10 knots becoming north
15 knots after midnight. Wind waves 4 feet. Swell northeast
3 feet. Scattered showers and slight chance of thunderstorms.
.SUNDAY...North winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet in the afternoon. Slight chance of thunderstorms in
the morning. Scattered showers through the day.
.SUNDAY NIGHT...North winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers.
.MONDAY...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers through the day.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 6 feet and north 3 feet. Scattered showers.
.TUESDAY...North winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 7 to 8 feet and north 3 to 4 feet. Scattered
showers.
.WEDNESDAY...North winds 20 knots. Wind waves 5 to 6 feet.
Northwest swell 9 to 11 feet and north 4 to 6 feet. Isolated
showers.

$$

PHZ123-240845-
Big Island Leeward Waters-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...Northeast winds 15 knots. Wind waves 4 feet.
Swell east 3 feet. Scattered showers and slight chance of
thunderstorms.
.TONIGHT...North winds 10 knots west of the Big Island...variable
less than 10 knots near South Point. Wind waves 4 feet. Swell
north 3 feet. Scattered showers.
.SUNDAY...Northeast winds 20 knots. Wind waves 4 feet. Scattered
showers in the morning. Isolated showers in the afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...northeast 15 knots near Kawaihae. Wind waves 4 feet.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...northeast 10 knots near Kawaihae. Wind waves 3 feet.
Northwest swell 3 feet in the afternoon.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet. Isolated showers.
.TUESDAY...North winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 4 to 5 feet. Isolated showers.
.WEDNESDAY...North winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 5 to 7 feet and north 3 to 4 feet.

$$

PHZ124-240845-
Big Island Southeast Waters-
935 AM HST Sat Feb 23 2019

.REST OF TODAY...Southeast winds 10 knots. Wind waves 4 feet.
Swell east 3 feet. Showers likely. Slight chance of thunderstorms
through the day. Scattered showers in the afternoon.
.TONIGHT...Winds variable less than 10 knots becoming north
15 knots after midnight. Wind waves 4 feet. Swell northeast
3 feet. Scattered showers.
.SUNDAY...Northeast winds 15 knots in the morning becoming
variable less than 10 knots. Wind waves 4 feet. Scattered showers
through the day.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Isolated showers.
.MONDAY...Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet in the afternoon. Isolated showers in the morning.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet. Swell northeast 3 feet. Isolated showers.
.TUESDAY...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 4 to 5 feet and northeast 3 feet. Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 5 to 6 feet.
Northwest swell 6 to 8 feet and north 3 to 5 feet. Isolated
showers.

$$

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



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