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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

260
FZHW50 PHFO 221944
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
944 AM HST Thu Feb 22 2018

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

PHZ100-230830-
944 AM HST Thu Feb 22 2018

.Synopsis for Hawaiian coastal waters...
Strong high pressure far northeast of the area gradually shifting
south and a nearly stationary surface trough northwest of Kauai
will support increasing southeast winds over the coastal waters
today through next week. An upper- level disturbance will bring
heavy showers and a slight chance of a thunderstorms from south to
north through Friday night.

$$

PHZ110-230830-
Kauai Northwest Waters-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...East winds 10 knots. Wind waves 3 feet. Mixed
swell west 6 feet and east 4 feet. Haze through the day.
Scattered heavy showers through the day. Isolated thunderstorms
in the afternoon.
.TONIGHT...Southeast winds 10 knots. Wind waves 4 feet. Mixed
swell west 6 feet and east 4 feet. Haze. Heavy showers likely and
slight chance of thunderstorms.
.FRIDAY...Southeast winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 5 feet and east 4 to 5 feet. Haze. Heavy showers
likely and slight chance of thunderstorms.
.FRIDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Mixed swell northwest 4 feet and east 5 feet. Haze in the
evening. Showers likely and slight chance of thunderstorms
through the night.
.SATURDAY...Southeast winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and east 6 feet. Haze through the day.
Slight chance of thunderstorms in the morning. Showers likely
through the day.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 3 feet in the evening. Swell east 6 feet. Haze
through the night. Scattered showers in the evening. Showers
likely after midnight.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Swell east 5 to
6 feet. Showers likely.
.MONDAY...East winds 15 knots rising to to 25 knots after
midnight. Wind waves 4 to 5 feet. Swell east 5 to 6 feet.
Scattered showers.

$$

PHZ111-230830-
Kauai Windward Waters-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...East winds 15 knots. Wind waves 3 feet. Mixed
swell northwest 6 feet and east 4 feet. Haze through the day.
Scattered heavy showers through the day. Slight chance of
thunderstorms in the afternoon.
.TONIGHT...Southeast winds 15 knots. Wind waves 5 feet. Mixed
swell northwest 6 feet and east 4 feet. Haze. Heavy showers
likely and slight chance of thunderstorms.
.FRIDAY...Southeast winds 15 knots. Wind waves 5 feet. Mixed
swell northwest 5 feet and east 4 to 5 feet. Haze. Heavy showers
likely and slight chance of thunderstorms.
.FRIDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
Mixed swell northwest 4 feet and east 5 feet. Haze in the
evening. Showers likely and slight chance of thunderstorms
through the night.
.SATURDAY...Southeast winds 20 knots. Wind waves 5 feet. Mixed
swell northwest 3 feet and east 6 feet. Slight chance of
thunderstorms in the morning. Showers likely through the day.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet in the evening. Swell east 6 feet. Showers
likely.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Swell east 5 to
6 feet. Showers likely.
.MONDAY...East winds 15 knots rising to to 25 knots after
midnight. Wind waves 5 feet. Swell east 5 to 6 feet. Scattered
showers.

$$

PHZ112-230830-
Kauai Leeward Waters-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...East winds 15 knots. Wind waves 3 feet.
Northwest swell 6 feet and east 3 feet. Haze through the day.
Scattered showers late in the morning. Slight chance of
thunderstorms through the day. Heavy showers likely in the
afternoon.
.TONIGHT...Southeast winds 15 knots. Wind waves 4 feet. Northwest
swell 6 feet and east 3 feet. Haze. Heavy showers likely and
slight chance of thunderstorms.
.FRIDAY...Southeast winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 5 feet and east 3 feet. Haze. Heavy showers
likely and slight chance of thunderstorms.
.FRIDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Mixed swell northwest 4 feet and east 3 feet. Haze. Showers
likely and slight chance of thunderstorms.
.SATURDAY...Southeast winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and east 4 feet. Haze through the day.
Slight chance of thunderstorms in the morning. Showers likely
through the day.
.SATURDAY NIGHT...East winds 10 knots. Wind waves 4 feet.
Northwest swell 3 feet in the evening. Swell east 4 feet. Haze.
Showers likely.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. Swell east 3 to
4 feet. Haze. Showers likely.
.MONDAY...East winds 10 knots. Wind waves 4 feet. Swell east 3 to
4 feet. Scattered showers.

$$

PHZ113-230830-
Kauai Channel-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...Southeast winds 10 knots. Wind waves 3 feet.
Mixed swell northwest 6 feet and east 4 feet. Haze. Scattered
heavy showers and slight chance of thunderstorms.
.TONIGHT...Southeast winds 10 knots. Wind waves 4 feet. Mixed
swell northwest 6 feet and east 4 feet. Haze. Heavy showers
likely and slight chance of thunderstorms.
.FRIDAY...Southeast winds 10 knots. Wind waves 4 feet. Mixed
swell northwest 5 feet and east 4 to 5 feet. Haze. Heavy showers
likely and slight chance of thunderstorms.
.FRIDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Mixed swell northwest 4 feet and east 5 feet. Haze in the
evening. Showers likely and slight chance of thunderstorms
through the night.
.SATURDAY...East winds 10 knots. Wind waves 4 feet. Mixed swell
northwest 3 feet and east 5 feet. Haze through the day. Showers
likely and slight chance of thunderstorms in the morning.
Scattered showers in the afternoon.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 3 feet in the evening. Swell east 6 feet. Haze.
Showers likely.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Swell east 5 to
6 feet. Scattered showers.
.MONDAY...East winds 10 knots rising to 20 knots. Wind waves
4 feet. Swell east 5 to 6 feet. Scattered showers.

$$

PHZ114-230830-
Oahu Windward Waters-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...East winds 20 knots. Wind waves 4 feet. Mixed
swell northwest 6 feet and east 4 feet. Haze through the day.
Scattered heavy showers through the day. Slight chance of
thunderstorms in the afternoon.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Mixed swell
northwest 6 feet and east 4 feet. Haze in the evening. Heavy
showers likely and slight chance of thunderstorms through the
night.
.FRIDAY...Southeast winds 20 knots. Wind waves 6 feet. Mixed
swell northwest 5 feet and east 5 feet. Haze in the morning.
Heavy showers likely in the morning. Slight chance of
thunderstorms through the day. Scattered heavy showers in the
afternoon.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Mixed
swell northwest 4 feet and east 6 feet. Showers likely.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Mixed swell
northwest 3 feet and east 6 feet. Showers likely.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Mixed swell northwest 3 feet and east 6 feet. Showers likely.
.SUNDAY...East winds to 25 knots. Wind waves 6 feet. Swell east
6 feet. Scattered showers.
.MONDAY...East winds 20 knots. Wind waves 6 feet. Swell east 6 to
7 feet. Scattered showers.

$$

PHZ115-230830-
Oahu Leeward Waters-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...East winds 10 knots late in the morning becoming
variable less than 10 knots. Wind waves 3 feet. Northwest swell
4 feet. Swell east 3 feet. Haze. Scattered heavy showers and
slight chance of thunderstorms.
.TONIGHT...Winds variable less than 10 knots. Wind waves 4 feet.
Mixed swell northwest 4 feet and east 3 feet. Haze. Scattered
heavy showers and slight chance of thunderstorms.
.FRIDAY...Winds variable less than 10 knots becoming southeast
10 knots in the afternoon. Wind waves 4 feet. Mixed swell
northwest 4 feet and east 3 to 4 feet. Haze. Scattered heavy
showers and slight chance of thunderstorms.
.FRIDAY NIGHT...Winds variable less than 10 knots becoming
southeast 10 knots after midnight. Wind waves 4 feet. Mixed swell
northwest 3 feet and east 4 feet. Haze in the evening. Scattered
showers through the night.
.SATURDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 4 feet. Northwest swell 3 feet in
the morning. Swell east 4 feet. Haze. Scattered showers.
.SATURDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Swell
east 4 feet. Showers likely.
.SUNDAY...East winds 10 knots becoming variable less than
10 knots. Wind waves 4 feet. Swell east 4 feet. Scattered
showers.
.MONDAY...East winds 10 knots in the morning becoming variable
less than 10 knots, then becoming east 10 knots. Wind waves 3 to
4 feet. Swell east 4 feet. Scattered showers.

$$

PHZ116-230830-
Kaiwi Channel-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...East winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 6 feet and east 4 feet. Haze. Scattered heavy
showers and slight chance of thunderstorms.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Mixed swell
northwest 6 feet and east 4 feet. Haze in the evening. Scattered
heavy showers and slight chance of thunderstorms through the
night.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Mixed swell
northwest 5 feet and east 5 feet. Haze. Scattered heavy showers
and slight chance of thunderstorms.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Mixed
swell northwest 4 feet and east 6 feet. Haze in the evening.
Scattered showers through the night.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Mixed swell
northwest 3 feet and east 6 feet. Scattered showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Mixed
swell northwest 3 feet and east 6 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 6 feet. Swell east
6 feet. Scattered showers.
.MONDAY...East winds 20 knots. Wind waves 6 feet. Swell east 6 to
7 feet. Scattered showers.

$$

PHZ117-230830-
Maui County Windward Waters-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...Southeast winds 20 knots. Wind waves 5 feet.
Mixed swell northwest 6 feet and east 4 feet. Showers likely late
in the morning. Slight chance of thunderstorms through the day.
Scattered heavy showers in the afternoon.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. Mixed swell
northwest 6 feet and east 4 to 5 feet. Heavy showers likely and
slight chance of thunderstorms.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Mixed swell
northwest 5 feet and east 6 feet. Heavy showers likely and slight
chance of thunderstorms.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 6 feet. Mixed
swell northwest 4 feet and east 6 feet. Showers likely.
.SATURDAY...East winds to 25 knots. Wind waves 6 feet. Mixed
swell northwest 3 feet and east 6 feet. Showers likely.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Mixed swell northwest 3 feet and east 6 feet. Showers likely.
.SUNDAY...East winds to 25 knots. Wind waves 7 feet. Swell east
6 feet. Scattered showers.
.MONDAY...East winds to 25 knots. Wind waves 6 feet. Swell east
6 to 8 feet. Scattered showers.

$$

PHZ118-230830-
Maui County Leeward Waters-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...Winds variable less than 10 knots. Wind waves
3 feet. Mixed swell northwest 4 feet and east 3 feet. Haze.
Scattered heavy showers and slight chance of thunderstorms.
.TONIGHT...East winds 10 knots. Wind waves 3 feet. Mixed swell
northwest 5 feet and east 3 feet. Haze in the evening. Scattered
heavy showers and slight chance of thunderstorms through the
night.
.FRIDAY...East winds 10 knots. Wind waves 4 feet. Mixed swell
northwest 4 feet and east 4 feet. Haze. Scattered heavy showers
and slight chance of thunderstorms.
.FRIDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and east 4 feet. Haze. Scattered showers.
.SATURDAY...East winds 10 knots. Wind waves 4 feet. Mixed swell
northwest 3 feet and east 4 feet. Scattered showers.
.SATURDAY NIGHT...East winds 10 knots. Wind waves 5 feet. Swell
east 4 feet. Scattered showers.
.SUNDAY...Northeast winds 15 knots. Wind waves 5 feet. Swell east
4 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Swell east 4 to
5 feet. Isolated showers.

$$

PHZ119-230830-
Maalaea Bay-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...Winds variable less than 10 knots. Wind waves
2 feet or less. Scattered heavy showers and slight chance of
thunderstorms through the day. Haze in the afternoon.
.TONIGHT...Winds variable less than 10 knots. Wind waves 2 feet
or less. Scattered heavy showers and slight chance of
thunderstorms.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Scattered heavy showers and slight chance of thunderstorms
through the day. Haze in the afternoon.
.FRIDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Haze in the evening. Scattered showers through
the night.
.SATURDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Scattered showers.
.SATURDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less. Scattered showers.
.SUNDAY...Winds variable less than 10 knots becoming northeast
10 knots. Wind waves 2 feet or less. Scattered showers.
.MONDAY...Northeast winds 10 knots. Wind waves 2 feet or less.
Isolated showers.

$$

PHZ120-230830-
Pailolo Channel-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...East winds 10 knots. Wind waves 3 feet. Mixed
swell northwest 3 feet and east 4 feet. Haze late in the morning.
Scattered heavy showers and slight chance of thunderstorms
through the day.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Mixed swell
northwest 3 feet and east 4 feet. Scattered heavy showers and
slight chance of thunderstorms.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Mixed swell
northwest 3 feet and east 5 feet. Scattered heavy showers and
slight chance of thunderstorms through the day. Haze in the
afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Swell
east 6 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 5 feet. Swell east
6 feet. Scattered showers.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Swell
east 6 feet. Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Swell east
6 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 4 to 5 feet. Swell east
6 to 7 feet. Isolated showers.

$$

PHZ121-230830-
Alenuihaha Channel-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...East winds 20 knots. Wind waves 4 feet. Mixed
swell northwest 5 feet and east 4 feet. Haze. Scattered heavy
showers and slight chance of thunderstorms.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Mixed swell
northwest 5 feet and east 4 to 5 feet. Haze in the evening.
Scattered heavy showers and slight chance of thunderstorms
through the night.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Mixed swell
northwest 4 feet and east 5 to 6 feet. Haze through the day.
Scattered heavy showers in the morning. Slight chance of
thunderstorms through the day. Isolated heavy showers in the
afternoon.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 6 feet. Mixed
swell northwest 3 feet and east 6 feet. Haze through the night.
Scattered showers in the evening. Isolated showers after
midnight.
.SATURDAY...East winds to 25 knots. Wind waves 6 feet. Mixed
swell northwest 3 feet and east 6 feet. Scattered showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Swell east 6 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 7 feet. Swell east
6 feet. Scattered showers.
.MONDAY...East winds to 25 knots. Wind waves 6 feet. Swell east
6 to 7 feet. Isolated showers.

$$

PHZ122-230830-
Big Island Windward Waters-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...Southeast winds 20 knots. Wind waves 5 feet.
Mixed swell northwest 6 feet and east 4 feet. Heavy showers
likely and isolated thunderstorms.
.TONIGHT...Southeast winds to 25 knots. Wind waves 6 feet. Mixed
swell northwest 6 feet and east 4 to 5 feet. Heavy showers likely
and slight chance of thunderstorms.
.FRIDAY...Southeast winds to 25 knots. Wind waves 6 feet. Mixed
swell northwest 5 feet and east 6 feet. Haze in the morning.
Showers likely in the morning, then occasional showers in the
afternoon.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 6 feet. Mixed
swell northwest 4 feet and east 6 feet. Occasional showers.
.SATURDAY...East winds to 25 knots. Wind waves 6 feet. Mixed
swell northwest 3 feet and east 6 feet. Showers likely.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Mixed swell northwest 3 feet and east 7 feet. Showers likely.
.SUNDAY...East winds to 25 knots. Wind waves 7 feet. Mixed swell
north 3 feet and east 6 to 7 feet. Showers likely.
.MONDAY...East winds to 25 knots. Wind waves 6 feet. Swell east
6 to 8 feet. Scattered showers.

$$

PHZ123-230830-
Big Island Leeward Waters-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 5 feet.
Mixed swell west 5 feet and east 4 feet. Haze. Scattered heavy
showers and isolated thunderstorms.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 6 feet.
Mixed swell west 5 feet and east 4 feet. Scattered heavy showers
and slight chance of thunderstorms through the night. Haze after
midnight.
.FRIDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 6 feet.
Mixed swell west 5 feet and east 5 feet. Haze through the day.
Scattered showers in the morning. Occasional showers in the
afternoon.
.FRIDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 6 feet.
Mixed swell west 4 feet and east 6 feet. Haze through the night.
Occasional showers in the evening. Showers likely after midnight.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 6 feet.
Mixed swell west 4 feet and east 6 feet. Haze. Occasional
showers.
.SATURDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
7 feet. Mixed swell west 3 feet and east 6 feet. Haze through the
night. Occasional showers in the evening. Scattered showers after
midnight.
.SUNDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 7 feet.
Swell east 6 feet. Haze. Scattered showers.
.MONDAY...West of the Big Island, winds variable less than
10 knots becoming west 10 knots in the afternoon and evening,
then becoming variable less than 10 knots after midnight. Near
South Point, east winds to 25 knots. Wind waves 6 feet. Swell
east 6 to 7 feet. Haze. Isolated showers.

$$

PHZ124-230830-
Big Island Southeast Waters-
944 AM HST Thu Feb 22 2018

.REST OF TODAY...East winds 20 knots. Wind waves 4 feet. Mixed
swell northwest 5 feet and east 4 feet. Heavy showers likely and
isolated thunderstorms through the day. Haze in the afternoon.
.TONIGHT...East winds to 25 knots. Wind waves 6 feet. Mixed swell
west 5 feet and east 4 to 5 feet. Heavy showers likely and slight
chance of thunderstorms.
.FRIDAY...East winds to 25 knots. Wind waves 6 feet. Mixed swell
west 5 feet and east 5 to 6 feet. Showers likely in the morning,
then occasional showers in the afternoon.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Mixed
swell northwest 4 feet and east 6 feet. Occasional showers.
.SATURDAY...East winds to 25 knots. Wind waves 5 feet. Mixed
swell northwest 3 feet and east 6 feet. Occasional showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Mixed swell northwest 3 feet and east 7 feet. Occasional showers.
.SUNDAY...East winds to 25 knots. Wind waves 6 feet. Mixed swell
northwest 3 feet and east 6 to 7 feet. Showers likely.
.MONDAY...East winds to 25 knots. Wind waves 5 to 6 feet. Swell
east 6 to 8 feet. Scattered showers.

$$

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



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