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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

638
FZHW50 PHFO 240119
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
319 PM HST Sat Feb 23 2019

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

PHZ100-241430-
319 PM HST Sat Feb 23 2019

.Synopsis for Hawaiian coastal waters...
Gentle to locally moderate northeast winds will prevail for the
next couple of 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.

$$

PHZ110-241430-
Kauai Northwest Waters-
319 PM HST Sat Feb 23 2019

.TONIGHT...Northeast winds 10 knots. Wind waves 4 feet. Swell
north 3 feet. Isolated showers.
.SUNDAY...Northeast winds 15 knots. Wind waves 4 feet. Isolated
showers.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 3 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 feet. Northwest
swell 7 feet and north 4 feet. Scattered showers.
.TUESDAY NIGHT...North winds to 25 knots. Wind waves 6 feet.
Northwest swell 9 feet and north 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.
.THURSDAY...North winds 15 knots. Wind waves 4 to 5 feet. North
swell 9 to 11 feet and north 5 to 7 feet. Isolated showers.

$$

PHZ111-241430-
Kauai Windward Waters-
319 PM HST Sat Feb 23 2019

.TONIGHT...Northeast winds 10 knots. Wind waves 4 feet. Swell
north 3 feet. Isolated showers.
.SUNDAY...Northeast winds 10 knots. Wind waves 4 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 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 feet. Northwest
swell 7 feet and north 4 feet. Scattered showers.
.TUESDAY NIGHT...North winds 20 knots. Wind waves 6 feet.
Northwest swell 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.
.THURSDAY...North winds 15 knots. Wind waves 4 to 5 feet. North
swell 9 to 11 feet and north 5 to 7 feet. Isolated showers.

$$

PHZ112-241430-
Kauai Leeward Waters-
319 PM HST Sat Feb 23 2019

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

$$

PHZ113-241430-
Kauai Channel-
319 PM HST Sat Feb 23 2019

.TONIGHT...Northeast winds 15 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.
Northwest swell 3 feet after midnight. 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 feet. Northwest
swell 7 feet and north 4 feet. Isolated showers.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 8 feet and north 3 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.
.THURSDAY...North winds 15 knots. Wind waves 5 feet. North swell
9 to 11 feet and north 5 to 7 feet. Isolated showers.

$$

PHZ114-241430-
Oahu Windward Waters-
319 PM HST Sat Feb 23 2019

.TONIGHT...Northeast winds 10 knots. Wind waves 4 feet. Swell
northeast 3 feet. Isolated showers.
.SUNDAY...Northeast winds 15 knots. Wind waves 4 feet. Isolated
showers.
.SUNDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 3 feet after midnight. 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 feet. Northwest
swell 7 feet and north 4 feet. Scattered showers.
.TUESDAY NIGHT...North winds 20 knots. Wind waves 5 feet.
Northwest swell 8 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.
.THURSDAY...North winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 10 to 12 feet and north 5 to 7 feet. Isolated
showers.

$$

PHZ115-241430-
Oahu Leeward Waters-
319 PM HST Sat Feb 23 2019

.TONIGHT...Northeast winds 15 knots. Wind waves 3 feet.
.SUNDAY...Northeast winds 20 knots. Wind waves 4 feet.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet after midnight.
.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...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 6 feet and north 4 feet. Isolated showers.
.TUESDAY NIGHT...North winds 20 knots. Wind waves 5 feet.
Northwest swell 7 feet and north 3 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.
.THURSDAY...North winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 8 to 10 feet and north 5 to 6 feet. Isolated
showers.

$$

PHZ116-241430-
Kaiwi Channel-
319 PM HST Sat Feb 23 2019

.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 after midnight. 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...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 7 feet and north 4 feet. Isolated showers.
.TUESDAY NIGHT...North winds 20 knots. Wind waves 5 feet.
Northwest swell 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.
.THURSDAY...North winds 15 knots. Wind waves 4 to 5 feet. North
swell 10 to 12 feet and north 5 to 7 feet. Isolated showers.

$$

PHZ117-241430-
Maui County Windward Waters-
319 PM HST Sat Feb 23 2019

.TONIGHT...Northeast winds 10 knots. Wind waves 4 feet. Swell
northeast 3 feet. Scattered showers.
.SUNDAY...Northeast winds 15 knots. Wind waves 4 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 after midnight. 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 feet. Northwest
swell 7 feet and north 4 feet. Scattered showers.
.TUESDAY NIGHT...North winds 15 knots. Wind waves 5 feet.
Northwest swell 8 feet and north 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.
.THURSDAY...North winds 10 knots. Wind waves 4 to 5 feet.
Northwest swell 10 to 12 feet and north 5 to 6 feet. Isolated
showers.

$$

PHZ118-241430-
Maui County Leeward Waters-
319 PM HST Sat Feb 23 2019

.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.
.TUESDAY NIGHT...North winds 20 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.
.THURSDAY...North winds 15 knots. Wind waves 4 to 5 feet. North
swell 7 to 8 feet and north 4 to 5 feet. Isolated showers.

$$

PHZ119-241430-
Maalaea Bay-
319 PM HST Sat Feb 23 2019

.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.
.TUESDAY NIGHT...Northeast winds 15 knots. Wind waves 2 feet or
less.
.WEDNESDAY...North winds 15 knots. Wind waves 2 feet or less.
.THURSDAY...North winds 10 knots. Wind waves 2 feet or less.

$$

PHZ120-241430-
Pailolo Channel-
319 PM HST Sat Feb 23 2019

.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...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 5 feet and north 4 feet. Isolated showers.
.TUESDAY NIGHT...North winds 15 knots. Wind waves 4 feet.
Northwest swell 6 feet and north 3 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.
.THURSDAY...North winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 8 to 10 feet and north 5 to 6 feet. Isolated
showers.

$$

PHZ121-241430-
Alenuihaha Channel-
319 PM HST Sat Feb 23 2019

.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 after midnight. 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 feet and north 4 feet. Isolated showers.
.TUESDAY NIGHT...North winds 15 knots. Wind waves 4 feet.
Northwest swell 7 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.
.THURSDAY...North winds 15 knots. Wind waves 5 feet. North swell
10 to 12 feet and north 4 to 6 feet. Isolated showers.

$$

PHZ122-241430-
Big Island Windward Waters-
319 PM HST Sat Feb 23 2019

.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. 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 after midnight. 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...Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 7 feet and north 4 feet. Scattered showers.
.TUESDAY NIGHT...North winds 15 knots. Wind waves 4 feet.
Northwest swell 8 feet and north 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.
.THURSDAY...North winds 15 knots. Wind waves 4 to 6 feet.
Northwest swell 10 to 12 feet and north 4 to 6 feet. Isolated
showers.

$$

PHZ123-241430-
Big Island Leeward Waters-
319 PM HST Sat Feb 23 2019

.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 feet. Northwest
swell 4 feet. Isolated showers.
.TUESDAY NIGHT...North winds 15 knots. Wind waves 4 feet.
Northwest swell 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.
.THURSDAY...North winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 5 to 7 feet and north 3 to 4 feet.

$$

PHZ124-241430-
Big Island Southeast Waters-
319 PM HST Sat Feb 23 2019

.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 feet and northeast 3 feet. Isolated showers.
.TUESDAY NIGHT...North winds 15 knots. Wind waves 4 feet.
Northwest swell 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 4 feet. Isolated
showers.
.THURSDAY...Northeast winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 8 to 9 feet and north 4 to 5 feet. Isolated
showers.

$$

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



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