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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

916
FZHW50 PHFO 211924
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
924 AM HST Tue Jan 21 2020

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

PHZ100-220815-
924 AM HST Tue Jan 21 2020

.Synopsis for Hawaiian coastal waters...
High pressure north of the area will move southeast over the next
few days, as a front stalls N of the area around midweek. Weakening
southeast winds are expected today, and light and variable winds
Wednesday into Friday. A pair of large NW swells will enter the
Hawaiian waters Wednesday through the weekend.

$$

PHZ110-220815-
Kauai Northwest Waters-
924 AM HST Tue Jan 21 2020

.REST OF TODAY...Southeast winds 10 knots. Wind waves 5 feet.
North swell 5 feet. Scattered showers.
.TONIGHT...Southwest winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 4 feet. Northwest swell
4 feet.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves
4 feet. Northwest swell 9 feet increasing to 13 feet in the
afternoon.
.WEDNESDAY NIGHT...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 9 feet.
.FRIDAY...Winds variable less than 10 knots becoming northwest
10 knots in the afternoon, then veering northeast. Wind waves
3 to 4 feet. Northwest swell 10 to 12 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 13 to 15 feet. Scattered showers.

$$

PHZ111-220815-
Kauai Windward Waters-
924 AM HST Tue Jan 21 2020

.REST OF TODAY...Southeast winds 10 knots. Wind waves 5 feet.
North swell 5 feet. Isolated showers.
.TONIGHT...Winds variable less than 10 knots. Wind waves 4 feet.
Northwest swell 4 feet.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves
4 feet. Northwest swell 8 feet increasing to 13 feet in the
afternoon.
.WEDNESDAY NIGHT...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 9 feet.
.FRIDAY...Winds variable less than 10 knots becoming northwest
10 knots in the afternoon, then veering northeast. Wind waves
3 feet. Northwest swell 10 to 12 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 13 to 15 feet. Scattered showers.

$$

PHZ112-220815-
Kauai Leeward Waters-
924 AM HST Tue Jan 21 2020

.REST OF TODAY...South winds 10 knots. Wind waves 5 feet. North
swell 4 feet. Scattered showers.
.TONIGHT...West winds 10 knots in the evening becoming variable
less than 10 knots. Wind waves 4 feet. Northwest swell 4 feet.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves
4 feet. Northwest swell 9 feet increasing to 12 feet in the
afternoon.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 13 feet.
.THURSDAY...Winds variable less than 10 knots becoming south
10 knots in the afternoon. 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 9 feet.
.FRIDAY...Winds variable less than 10 knots becoming northeast
15 knots. Wind waves 2 feet or less. Northwest swell 10 to
12 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 3 feet. Northwest
swell 13 to 15 feet. Isolated showers.

$$

PHZ113-220815-
Kauai Channel-
924 AM HST Tue Jan 21 2020

.REST OF TODAY...Southeast winds 10 knots. Wind waves 5 feet.
North swell 5 feet. Isolated showers.
.TONIGHT...Winds variable less than 10 knots. Wind waves 4 feet.
Northwest swell 4 feet.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves
4 feet. Northwest swell 7 feet increasing to 11 feet in the
afternoon.
.WEDNESDAY NIGHT...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 13 feet decreasing to 11 feet in the afternoon.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 9 feet.
.FRIDAY...Winds variable less than 10 knots becoming northeast
10 knots. Wind waves 3 feet. Northwest swell 9 to 11 feet.
.SATURDAY...East winds 15 knots. Wind waves 3 to 4 feet.
Northwest swell 12 to 14 feet. Isolated showers.

$$

PHZ114-220815-
Oahu Windward Waters-
924 AM HST Tue Jan 21 2020

.REST OF TODAY...Southeast winds 15 knots. Wind waves 6 feet.
North swell 5 feet. Isolated showers.
.TONIGHT...Southeast winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 5 feet. Northwest swell
4 feet.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves
4 feet. Northwest swell 7 feet increasing to 11 feet in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 knots in the evening
becoming variable less than 10 knots. Wind waves 3 feet.
Northwest swell 14 feet. Isolated showers.
.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 11 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots becoming northeast
10 knots. Wind waves 3 feet. Northwest swell 9 to 11 feet.
.SATURDAY...East winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 12 to 14 feet. Scattered showers.

$$

PHZ115-220815-
Oahu Leeward Waters-
924 AM HST Tue Jan 21 2020

.REST OF TODAY...Southeast winds 10 knots. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers.
.TONIGHT...Winds variable less than 10 knots. Wind waves 4 feet.
Northwest swell 4 feet.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves 3 feet
in the morning then 2 feet or less. Northwest swell 5 feet
increasing to 9 feet in the afternoon.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 11 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 8 feet.
.FRIDAY...Winds variable less than 10 knots becoming northeast
15 knots. Wind waves 3 feet. Northwest swell 7 to 9 feet.
.SATURDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 10 to 12 feet. Isolated showers.

$$

PHZ116-220815-
Kaiwi Channel-
924 AM HST Tue Jan 21 2020

.REST OF TODAY...East winds 15 knots. Wind waves 6 feet. North
swell 5 feet. Isolated showers.
.TONIGHT...North winds 10 knots in the evening becoming variable
less than 10 knots. Wind waves 5 feet. North swell 4 feet.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves
4 feet. Northwest swell 6 feet increasing to 9 feet in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 knots in the evening
becoming variable less than 10 knots. Wind waves 3 feet.
Northwest swell 12 feet increasing to 14 feet after midnight.
.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 10 feet.
.FRIDAY...Winds variable less than 10 knots becoming northeast
15 knots. Wind waves 3 to 4 feet. Northwest swell 8 to 10 feet.
.SATURDAY...East winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 11 to 13 feet. Isolated showers.

$$

PHZ117-220815-
Maui County Windward Waters-
924 AM HST Tue Jan 21 2020

.REST OF TODAY...Southeast winds 20 knots. Wind waves 7 feet.
North swell 5 feet. Isolated showers.
.TONIGHT...Southeast winds 15 knots. Wind waves 5 feet. North
swell 4 feet.
.WEDNESDAY...Southeast winds 10 knots. Wind waves 4 feet.
Northwest swell 6 feet increasing to 9 feet in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 knots. Wind waves 4 feet.
Northwest swell 13 feet. Isolated showers.
.THURSDAY...South winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 4 feet. Northwest swell 12 feet.
.THURSDAY NIGHT...Winds variable less than 10 knots becoming
southeast 10 knots after midnight. Wind waves 3 feet. Northwest
swell 11 feet. Isolated showers.
.FRIDAY...East winds 10 knots. Wind waves 3 to 4 feet. Northwest
swell 8 to 10 feet.
.SATURDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 11 to 13 feet. Scattered showers.

$$

PHZ118-220815-
Maui County Leeward Waters-
924 AM HST Tue Jan 21 2020

.REST OF TODAY...East winds 15 knots. Wind waves 6 feet. North
swell 4 feet. Isolated showers.
.TONIGHT...North winds 10 knots. Wind waves 4 feet. North swell
3 feet.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 4 feet increasing to 6 feet in the
afternoon.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet in the evening then 2 feet or less. Northwest swell
8 feet.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northwest swell 8 feet.
.THURSDAY NIGHT...North winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 2 feet or less. Northwest
swell 7 feet.
.FRIDAY...Winds variable less than 10 knots becoming northeast
15 knots. Wind waves 3 feet. Northwest swell 5 to 7 feet.
.SATURDAY...Northeast winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 8 to 10 feet. Isolated showers.

$$

PHZ119-220815-
Maalaea Bay-
924 AM HST Tue Jan 21 2020

.REST OF TODAY...North winds 15 knots. Wind waves 2 feet or less.
.TONIGHT...North winds 15 knots in the evening becoming variable
less than 10 knots. Wind waves 2 feet or less.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less.
.WEDNESDAY NIGHT...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 north
15 knots. Wind waves 2 feet or less.
.SATURDAY...North winds to 25 knots. Wind waves 2 feet or less.
Isolated showers.

$$

PHZ120-220815-
Pailolo Channel-
924 AM HST Tue Jan 21 2020

.REST OF TODAY...North winds 15 knots backing northwest in the
afternoon. Wind waves 6 feet. Northwest swell 4 feet.
.TONIGHT...North winds 15 knots veering east after midnight. Wind
waves 5 feet. Northwest swell 4 feet.
.WEDNESDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 3 feet. Northwest swell 4 feet.
.WEDNESDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 7 feet increasing to 9 feet after
midnight.
.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 7 feet.
.FRIDAY...Winds variable less than 10 knots becoming northeast
15 knots. Wind waves 3 feet. Northwest swell 5 to 6 feet.
.SATURDAY...East winds 20 knots. Wind waves 4 to 5 feet.
Northwest swell 7 to 9 feet. Isolated showers.

$$

PHZ121-220815-
Alenuihaha Channel-
924 AM HST Tue Jan 21 2020

.REST OF TODAY...East winds 20 knots. Wind waves 7 feet.
Northwest swell 5 feet. Isolated showers.
.TONIGHT...Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet.
.WEDNESDAY...East winds 10 knots. Wind waves 4 feet. Northwest
swell 5 feet increasing to 7 feet in the afternoon.
.WEDNESDAY NIGHT...East winds 10 knots. Wind waves 4 feet.
Northwest swell 10 feet increasing to 12 feet after midnight.
Isolated showers.
.THURSDAY...North winds 10 knots. Wind waves 4 feet. Northwest
swell 12 feet.
.THURSDAY NIGHT...Northeast winds 10 knots. Wind waves 3 feet.
Northwest swell 10 feet. Isolated showers.
.FRIDAY...Northeast winds 10 knots becoming east 20 knots after
midnight. Wind waves 3 to 4 feet. Northwest swell 7 to 9 feet.
.SATURDAY...East winds 20 knots. Wind waves 5 to 6 feet.
Northwest swell 10 to 12 feet. Isolated showers.

$$

PHZ122-220815-
Big Island Windward Waters-
924 AM HST Tue Jan 21 2020

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

$$

PHZ123-220815-
Big Island Leeward Waters-
924 AM HST Tue Jan 21 2020

.REST OF TODAY...Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 9 feet.
Northwest swell 3 feet. Isolated showers.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 6 feet.
Northwest swell 3 feet.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 feet.
Northwest swell 3 feet increasing to 5 feet in the afternoon.
.WEDNESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 5 feet.
Northwest swell 6 feet increasing to 8 feet after midnight.
Isolated showers.
.THURSDAY...North winds 10 knots. Wind waves 5 feet. Northwest
swell 8 feet.
.THURSDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 10 knots near South Point. Wind waves 4 feet.
Northwest swell 8 feet. Isolated showers.
.FRIDAY...West of the Big Island, winds variable less than
10 knots becoming northeast 10 knots in the evening, then veering
southeast after midnight. Near South Point, east winds 10 knots
rising to 20 knots after midnight. Wind waves 4 to 6 feet.
Northwest swell 5 to 7 feet.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 6 to 8 feet.
Northwest swell 7 to 9 feet. Isolated showers.

$$

PHZ124-220815-
Big Island Southeast Waters-
924 AM HST Tue Jan 21 2020

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

$$

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



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