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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

051
FZHW50 PHFO 221929
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
929 AM HST Wed Jan 22 2020

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

PHZ100-230830-
929 AM HST Wed Jan 22 2020

.Synopsis for Hawaiian coastal waters...
A surface ridge will be near the islands through Friday. High
pressure will build north of the islands Friday into Saturday,
pushing a weak front into the area while also supporting a return
to trade wind flow. A large northwest swell will build through
tonight and gradually diminish Thursday, with another large
northwest swell expected Saturday.

$$

PHZ110-230830-
Kauai Northwest Waters-
929 AM HST Wed Jan 22 2020

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

.REST OF TODAY...South winds 10 knots. Wind waves 4 feet.
Northwest swell 12 feet.
.TONIGHT...South winds 10 knots. Wind waves 3 feet. Northwest
swell 14 feet.
.THURSDAY...South winds 10 knots. Wind waves 3 feet. Northwest
swell 11 feet.
.THURSDAY NIGHT...Southwest winds 10 knots. Wind waves 3 feet.
Northwest swell 8 feet.
.FRIDAY...Southwest winds 10 knots becoming north 20 knots in the
afternoon. Wind waves 3 feet. Northwest swell 9 feet. Scattered
showers through the day.
.FRIDAY NIGHT...Northeast winds 20 knots. Wind waves 4 feet.
Northwest swell 13 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 13 to 15 feet. Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Northwest swell
10 to 12 feet. Isolated showers.

$$

PHZ111-230830-
Kauai Windward Waters-
929 AM HST Wed Jan 22 2020

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

.REST OF TODAY...Southeast winds 10 knots. Wind waves 4 feet.
Northwest swell 12 feet.
.TONIGHT...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 14 feet.
.THURSDAY...Winds variable less than 10 knots becoming south
10 knots in the afternoon. Wind waves 3 feet. Northwest swell
13 feet decreasing to 11 feet in the afternoon.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 8 feet.
.FRIDAY...Southwest winds 10 knots becoming north 20 knots in the
afternoon. Wind waves 3 feet. Northwest swell 9 feet. Scattered
showers.
.FRIDAY NIGHT...Northeast winds 20 knots. Wind waves 4 feet.
Northwest swell 12 feet increasing to 14 feet after midnight.
Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 12 to 14 feet. Scattered showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. Northwest swell
10 to 12 feet. Isolated showers.

$$

PHZ112-230830-
Kauai Leeward Waters-
929 AM HST Wed Jan 22 2020

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

.REST OF TODAY...Southeast winds 10 knots. Wind waves 3 feet.
Northwest swell 11 feet increasing to 13 feet in the afternoon.
Isolated showers late in the morning.
.TONIGHT...South winds 10 knots. Wind waves 2 feet or less.
Northwest swell 14 feet.
.THURSDAY...South winds 10 knots. Wind waves 2 feet or less.
Northwest swell 13 feet decreasing to 11 feet in the afternoon.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 8 feet.
.FRIDAY...Southwest winds 10 knots becoming north 20 knots in the
afternoon. Wind waves 2 feet or less. Northwest swell 8 feet.
Isolated showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 3 feet. Northwest
swell 13 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 13 to 15 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. Northwest swell
10 to 12 feet. Isolated showers.

$$

PHZ113-230830-
Kauai Channel-
929 AM HST Wed Jan 22 2020

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

.REST OF TODAY...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 9 feet increasing to 11 feet in the
afternoon. Isolated showers late in the morning.
.TONIGHT...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 14 feet.
.THURSDAY...Winds variable less than 10 knots becoming south
10 knots in the afternoon. Wind waves 3 feet. Northwest swell
13 feet decreasing to 11 feet in the afternoon.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 8 feet.
.FRIDAY...Winds variable less than 10 knots becoming north
15 knots in the afternoon. Wind waves 3 feet in the morning then
2 feet or less. Northwest swell 8 feet.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Northwest swell 11 feet increasing to 13 feet after midnight.
Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 12 to 14 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. Northwest swell
10 to 12 feet. Isolated showers.

$$

PHZ114-230830-
Oahu Windward Waters-
929 AM HST Wed Jan 22 2020

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

.REST OF TODAY...Southeast winds 10 knots. Wind waves 4 feet.
Northwest swell 10 feet.
.TONIGHT...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 14 feet. Isolated showers.
.THURSDAY...Winds variable less than 10 knots becoming south
10 knots in the afternoon. Wind waves 3 feet. Northwest swell
12 feet. Isolated showers in the morning.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 10 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots becoming north
10 knots in the afternoon. Wind waves 3 feet. Northwest swell
9 feet. Isolated showers in the morning.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 11 feet increasing to 13 feet after midnight.
Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 13 to 14 feet. Isolated showers.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
11 to 13 feet. Isolated showers.

$$

PHZ115-230830-
Oahu Leeward Waters-
929 AM HST Wed Jan 22 2020

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

.REST OF TODAY...East winds 10 knots. Wind waves 3 feet late in
the morning then 2 feet or less. Northwest swell 7 feet
increasing to 9 feet in the afternoon.
.TONIGHT...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northwest swell 12 feet.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northwest swell 10 feet.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 7 feet.
.FRIDAY...North winds 10 knots. Wind waves 2 feet or less.
Northwest swell 6 feet.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Northwest swell 9 feet increasing to 11 feet after midnight.
.SATURDAY...East winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 11 to 12 feet.
.SUNDAY...East winds 15 knots in the morning becoming variable
less than 10 knots. Wind waves 3 to 4 feet. Northwest swell 9 to
11 feet.

$$

PHZ116-230830-
Kaiwi Channel-
929 AM HST Wed Jan 22 2020

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

.REST OF TODAY...Southeast winds 10 knots. Wind waves 4 feet.
Northwest swell 8 feet.
.TONIGHT...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 13 feet.
.THURSDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 12 feet.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 9 feet.
.FRIDAY...Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 8 feet.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 10 feet increasing to 12 feet after midnight.
Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 12 to 14 feet. Isolated showers.
.SUNDAY...East winds 15 knots. Wind waves 5 to 6 feet. Northwest
swell 10 to 12 feet. Isolated showers.

$$

PHZ117-230830-
Maui County Windward Waters-
929 AM HST Wed Jan 22 2020

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

.REST OF TODAY...Southeast winds 15 knots. Wind waves 4 feet.
Northwest swell 8 feet. Isolated showers.
.TONIGHT...Southeast winds 15 knots. Wind waves 4 feet. Northwest
swell 13 feet. Isolated showers.
.THURSDAY...Southeast winds 10 knots. Wind waves 4 feet.
Northwest swell 14 feet decreasing to 12 feet in the afternoon.
Isolated showers.
.THURSDAY NIGHT...Southeast winds 10 knots. Wind waves 3 feet.
Northwest swell 11 feet decreasing to 9 feet after midnight.
Isolated showers.
.FRIDAY...East winds 10 knots. Wind waves 4 feet. Northwest swell
8 feet. Isolated showers.
.FRIDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Northwest
swell 10 feet increasing to 12 feet after midnight. Isolated
showers.
.SATURDAY...East winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 12 to 14 feet. Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
10 to 12 feet. Isolated showers.

$$

PHZ118-230830-
Maui County Leeward Waters-
929 AM HST Wed Jan 22 2020

.REST OF TODAY...Southeast winds 15 knots. Wind waves 3 feet.
Northwest swell 5 feet.
.TONIGHT...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 8 feet.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northwest swell 8 feet.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 6 feet.
.FRIDAY...Northeast winds 10 knots. Wind waves 2 feet or less.
Northwest swell 6 feet.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Northwest swell 7 feet.
.SATURDAY...Northeast winds 10 knots. Wind waves 3 to 5 feet.
Northwest swell 8 to 9 feet.
.SUNDAY...Northeast winds 10 knots. Wind waves 4 to 5 feet.
Northwest swell 7 to 9 feet.

$$

PHZ119-230830-
Maalaea Bay-
929 AM HST Wed Jan 22 2020

.REST OF TODAY...Southwest winds 10 knots. Wind waves 2 feet or
less.
.TONIGHT...Winds variable less than 10 knots. Wind waves 2 feet
or less.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less.
.FRIDAY...Winds variable less than 10 knots becoming northeast
10 knots in the afternoon. Wind waves 2 feet or less.
.FRIDAY NIGHT...Northeast winds 10 knots becoming north 20 knots
after midnight. Wind waves 2 feet or less.
.SATURDAY...North winds to 25 knots. Wind waves 2 feet or less.
.SUNDAY...North winds to 25 knots easing to 15 knots. Wind waves
2 feet or less.

$$

PHZ120-230830-
Pailolo Channel-
929 AM HST Wed Jan 22 2020

.REST OF TODAY...East winds 15 knots. Wind waves 4 feet.
Northwest swell 5 feet.
.TONIGHT...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 8 feet.
.THURSDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 8 feet.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 6 feet.
.FRIDAY...Winds variable less than 10 knots becoming northeast
10 knots in the afternoon. Wind waves 3 feet. Northwest swell
5 feet.
.FRIDAY NIGHT...Northeast winds 10 knots rising to 20 knots after
midnight. Wind waves 3 feet. Northwest swell 6 feet.
.SATURDAY...East winds to 25 knots. Wind waves 4 to 5 feet.
Northwest swell 7 to 9 feet. Isolated showers.
.SUNDAY...East winds to 25 knots becoming northeast 15 knots.
Wind waves 4 to 5 feet. Northwest swell 6 to 8 feet. Isolated
showers.

$$

PHZ121-230830-
Alenuihaha Channel-
929 AM HST Wed Jan 22 2020

.REST OF TODAY...East winds 15 knots. Wind waves 5 feet.
Northwest swell 6 feet.
.TONIGHT...West winds 15 knots. Wind waves 4 feet. Northwest
swell 10 feet increasing to 13 feet after midnight. Isolated
showers.
.THURSDAY...West winds 15 knots veering north in the afternoon.
Wind waves 4 feet. Northwest swell 12 feet. Isolated showers in
the morning.
.THURSDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 9 feet. Isolated showers.
.FRIDAY...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 7 feet. Isolated showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Northwest
swell 8 feet increasing to 10 feet after midnight. Isolated
showers.
.SATURDAY...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 11 to 13 feet. Isolated showers.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
10 to 12 feet. Isolated showers.

$$

PHZ122-230830-
Big Island Windward Waters-
929 AM HST Wed Jan 22 2020

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

.REST OF TODAY...Southeast winds 15 knots. Wind waves 5 feet.
Northwest swell 6 feet. Isolated showers.
.TONIGHT...Southeast winds 15 knots. Wind waves 4 feet. Northwest
swell 11 feet increasing to 13 feet after midnight. Isolated
showers.
.THURSDAY...Southeast winds 10 knots. Wind waves 4 feet.
Northwest swell 14 feet decreasing to 12 feet in the afternoon.
Isolated showers through the day.
.THURSDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Northwest swell 11 feet decreasing to 9 feet after midnight.
Isolated showers.
.FRIDAY...Southeast winds 15 knots. Wind waves 4 feet. Northwest
swell 7 feet. Isolated showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Northwest
swell 9 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 11 to 13 feet. Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
10 to 12 feet. Isolated showers.

$$

PHZ123-230830-
Big Island Leeward Waters-
929 AM HST Wed Jan 22 2020

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

.REST OF TODAY...Southwest winds 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers.
.TONIGHT...Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 6 feet increasing to 8 feet after midnight. Isolated
showers.
.THURSDAY...Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 9 feet. Isolated showers.
.THURSDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 5 feet.
Northwest swell 7 feet. Isolated showers.
.FRIDAY...West of the Big Island, winds variable less than
10 knots becoming west 10 knots in the afternoon. Near South
Point, east winds 15 knots. Wind waves 5 feet. Northwest swell
6 feet. Isolated showers.
.FRIDAY NIGHT...West of the Big Island, winds variable less than
10 knots becoming south 10 knots after midnight. Near South
Point, east winds 20 knots. Wind waves 6 feet. Northwest swell
6 feet.
.SATURDAY...West of the Big Island, south winds 10 knots in the
morning becoming variable less than 10 knots. Near South Point,
east winds to 25 knots. Wind waves 8 feet. Northwest swell 8 to
10 feet. Isolated showers.
.SUNDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet.
Northwest swell 8 to 10 feet. Isolated showers.

$$

PHZ124-230830-
Big Island Southeast Waters-
929 AM HST Wed Jan 22 2020

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

.REST OF TODAY...East winds 15 knots. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers through the day.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 6 feet increasing to 8 feet after midnight. Isolated
showers.
.THURSDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 9 feet. Isolated showers.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 7 feet. Isolated showers.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
6 feet. Isolated showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 6 feet. Isolated showers.
.SATURDAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 8 to 10 feet. Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
8 to 10 feet. Isolated showers.

$$

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



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