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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

428
FZHW50 PHFO 100700
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
900 PM HST Mon Dec 9 2019

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

PHZ100-102000-
900 PM HST Mon Dec 9 2019

.Synopsis for Hawaiian coastal waters...
A weak frontal boundary located northwest of Kauai will move
slowly north through Wednesday. A new front is expected to
approach the islands from from the northwest by Wednesday night
as a surface high builds in behind it. Expect very large
northwest swells from late Wednesday into Friday.

$$

PHZ110-102000-
Kauai Northwest Waters-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...Southeast winds 10 knots. Wind waves 3 feet
early in the evening then 2 feet or less. Northwest swell 8 feet.
Scattered showers.
.TUESDAY...East winds 10 knots. Wind waves 2 feet or less.
Northwest swell 8 feet. Scattered showers in the morning, then
isolated showers in the afternoon.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 2 feet or less.
Northwest swell 8 feet. Isolated showers through the night.
.WEDNESDAY...East winds 15 knots. Wind waves 2 feet or less.
Northwest swell 9 feet. Isolated showers in the morning.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 13 feet. Isolated showers in the evening, then
scattered showers after midnight.
.THURSDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 14 feet. Scattered showers.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 8 feet.
Northwest swell 13 feet decreasing to 11 feet after midnight.
Occasional showers in the evening, then scattered showers after
midnight.
.FRIDAY...East winds 20 knots. Wind waves 7 to 9 feet. Northwest
swell 8 to 10 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 6 to 7 feet. Scattered showers.

$$

PHZ111-102000-
Kauai Windward Waters-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...Southeast winds 10 knots. Wind waves 2 feet or
less. Northwest swell 8 feet. Isolated showers early in the
evening. Scattered showers after midnight.
.TUESDAY...East winds 10 knots. Wind waves 2 feet or less.
Northwest swell 8 feet. Scattered showers in the morning.
Isolated showers in the afternoon.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 2 feet or less
then 3 feet after midnight. Northwest swell 8 feet. Isolated
showers through the night.
.WEDNESDAY...East winds 15 knots. Wind waves 3 feet in the
morning then 2 feet or less. Northwest swell 8 feet increasing to
10 feet in the afternoon. Isolated showers through the day.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 13 feet. Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 3 feet. Northwest
swell 14 feet. Scattered showers.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 6 feet.
Northwest swell 13 feet decreasing to 11 feet after midnight.
Showers likely in the evening, then scattered showers after
midnight.
.FRIDAY...East winds 20 knots. Wind waves 6 to 7 feet. Northwest
swell 8 to 10 feet. Showers likely.
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 6 to 7 feet. Scattered showers.

$$

PHZ112-102000-
Kauai Leeward Waters-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 7 feet. Isolated showers.
.TUESDAY...East winds 10 knots. Wind waves 2 feet or less.
Northwest swell 8 feet. Isolated showers in the morning.
.TUESDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less. Northwest swell 8 feet. Isolated showers through the night.
.WEDNESDAY...East winds 15 knots. Wind waves 2 feet or less.
Northwest swell 8 feet increasing to 10 feet in the afternoon.
Isolated showers in the morning.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 2 feet or less
then 3 feet after midnight. Northwest swell 12 feet increasing to
14 feet after midnight. Isolated showers.
.THURSDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 14 feet. Scattered showers.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 8 feet.
Northwest swell 12 feet. Showers likely in the evening, then
scattered showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 7 to 9 feet. Northwest
swell 8 to 10 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 6 to 7 feet. Isolated showers.

$$

PHZ113-102000-
Kauai Channel-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...East winds 10 knots. Wind waves 2 feet or
less. Northwest swell 7 feet.
.TUESDAY...East winds 10 knots. Wind waves 2 feet or less.
Northwest swell 8 feet.
.TUESDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less. Northwest swell 8 feet. Isolated showers.
.WEDNESDAY...East winds 15 knots. Wind waves 2 feet or less.
Northwest swell 8 feet. Isolated showers in the morning.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 12 feet increasing to 14 feet after midnight.
Isolated showers.
.THURSDAY...East winds 15 knots. Wind waves 3 feet. Northwest
swell 14 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 13 feet decreasing to 11 feet after midnight.
Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 6 to 7 feet. Northwest
swell 8 to 10 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 6 to 7 feet. Scattered showers.

$$

PHZ114-102000-
Oahu Windward Waters-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...East winds 10 knots. Wind waves 3 feet.
Northwest swell 7 feet.
.TUESDAY...East winds 10 knots. Wind waves 2 feet or less then
3 feet in the afternoon. Northwest swell 8 feet.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
Northwest swell 9 feet. Isolated showers through the night.
.WEDNESDAY...East winds 15 knots. Wind waves 3 feet. Northwest
swell 9 feet. Isolated showers through the day.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 12 feet increasing to 14 feet after midnight.
Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 3 feet. Northwest
swell 14 feet. Scattered showers.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 13 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 6 to 7 feet. Northwest
swell 10 to 12 feet. Showers likely.
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 7 to 9 feet. Scattered showers.

$$

PHZ115-102000-
Oahu Leeward Waters-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...East winds 10 knots. Wind waves 2 feet or
less. Northwest swell 6 feet.
.TUESDAY...Northeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 2 feet or less. Northwest
swell 7 feet.
.TUESDAY NIGHT...Northeast winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 2 feet or less. Northwest
swell 7 feet.
.WEDNESDAY...East winds 15 knots. Wind waves 2 feet or less.
Northwest swell 8 feet.
.WEDNESDAY NIGHT...Northeast winds 15 knots. Wind waves 2 feet or
less. Northwest swell 11 feet increasing to 13 feet after
midnight. Isolated showers.
.THURSDAY...East winds 10 knots. Wind waves 2 feet or less.
Northwest swell 13 feet. Scattered showers in the morning.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 11 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 5 to 6 feet. Northwest
swell 8 to 10 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 5 to 7 feet. Scattered showers.

$$

PHZ116-102000-
Kaiwi Channel-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...East winds 10 knots. Wind waves 3 feet.
Northwest swell 6 feet.
.TUESDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 8 feet.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
Northwest swell 8 feet. Isolated showers.
.WEDNESDAY...East winds 15 knots. Wind waves 3 feet. Northwest
swell 8 feet. Isolated showers in the morning.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 11 feet increasing to 14 feet after midnight.
Isolated showers.
.THURSDAY...East winds 15 knots. Wind waves 3 feet. Northwest
swell 14 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 12 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
9 to 11 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 6 to 8 feet. Scattered showers.

$$

PHZ117-102000-
Maui County Windward Waters-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 6 feet increasing to 8 feet after midnight.
.TUESDAY...East winds 15 knots. Wind waves 3 feet. Northwest
swell 8 feet.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 8 feet. Isolated showers through the night.
.WEDNESDAY...East winds 15 knots. Wind waves 3 feet. Northwest
swell 8 feet. Isolated showers in the morning.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 11 feet increasing to 14 feet after midnight.
Isolated showers in the evening, then scattered showers after
midnight.
.THURSDAY...East winds 20 knots. Wind waves 3 feet. Northwest
swell 14 feet. Scattered showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 4 feet.
Northwest swell 12 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
9 to 11 feet. Showers likely.
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 6 to 8 feet. Scattered showers.

$$

PHZ118-102000-
Maui County Leeward Waters-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less. Northwest swell 4 feet.
.TUESDAY...Northeast winds 10 knots. Wind waves 2 feet or less.
Northwest swell 5 feet.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 2 feet or less
then 3 feet after midnight. Northwest swell 6 feet.
.WEDNESDAY...Northeast winds 10 knots. Wind waves 3 feet in the
morning then 2 feet or less. Northwest swell 6 feet.
.WEDNESDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less. Northwest swell 8 feet increasing to 10 feet after
midnight. Isolated showers.
.THURSDAY...Northeast winds 10 knots. Wind waves 2 feet or less.
Northwest swell 10 feet. Isolated showers through the day.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 2 feet or
less then 3 feet after midnight. Northwest swell 9 feet. Isolated
showers in the evening, then scattered showers after midnight.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 6 to 8 feet. Scattered showers.
.SATURDAY...Northeast winds 10 knots. Wind waves 4 to 5 feet.
Northwest swell 4 to 6 feet. Scattered showers.

$$

PHZ119-102000-
Maalaea Bay-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...North winds 15 knots. Wind waves 2 feet or
less.
.TUESDAY...North winds 15 knots. Wind waves 2 feet or less.
.TUESDAY NIGHT...North winds 15 knots. Wind waves 2 feet or less.
.WEDNESDAY...Northeast winds 10 knots. Wind waves 2 feet or less.
Isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 2 feet or
less. Isolated showers after midnight.
.THURSDAY...Northeast winds 20 knots. Wind waves 2 feet or less.
Isolated showers.
.THURSDAY NIGHT...Northeast winds 20 knots. Wind waves 2 feet or
less. Scattered showers after midnight.
.FRIDAY...Northeast winds to 25 knots. Wind waves 2 feet or less.
Scattered showers.
.SATURDAY...Northeast winds 20 knots. Wind waves 2 feet or less.
Scattered showers.

$$

PHZ120-102000-
Pailolo Channel-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 4 feet.
.TUESDAY...East winds 15 knots. Wind waves 3 feet. Northwest
swell 5 feet.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 6 feet.
.WEDNESDAY...East winds 15 knots. Wind waves 3 feet in the
morning then 2 feet or less. Northwest swell 6 feet. Isolated
showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 15 knots. Wind waves 2 feet or
less. Northwest swell 8 feet increasing to 10 feet after
midnight. Isolated showers through the night.
.THURSDAY...East winds 15 knots. Wind waves 2 feet or less then
3 feet in the afternoon. Northwest swell 10 feet. Isolated
showers through the day.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 9 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 5 to 6 feet. Northwest
swell 6 to 8 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 5 to 6 feet. Scattered showers.

$$

PHZ121-102000-
Alenuihaha Channel-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 6 feet.
.TUESDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 7 feet.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 8 feet. Scattered showers.
.WEDNESDAY...East winds 15 knots. Wind waves 3 feet. Northwest
swell 8 feet. Scattered showers in the morning. Isolated showers
in the afternoon.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 10 feet increasing to 13 feet after midnight.
Isolated showers.
.THURSDAY...East winds 20 knots. Wind waves 3 feet. Northwest
swell 13 feet. Isolated showers through the day.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 4 feet.
Northwest swell 12 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 5 to 6 feet.
Northwest swell 9 to 11 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 6 to 8 feet. Scattered showers.

$$

PHZ122-102000-
Big Island Windward Waters-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Northwest swell 6 feet. Isolated showers.
.TUESDAY...East winds 20 knots. Wind waves 4 feet. Northwest
swell 7 feet. Isolated showers in the morning.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 4 feet.
Northwest swell 8 feet. Scattered showers through the night.
.WEDNESDAY...East winds 15 knots. Wind waves 3 feet. Northwest
swell 8 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 10 feet increasing to 13 feet after midnight.
Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 3 feet. Northwest
swell 14 feet. Scattered showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 4 feet.
Northwest swell 13 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
10 to 12 feet. Showers likely.
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 7 to 9 feet. Scattered showers.

$$

PHZ123-102000-
Big Island Leeward Waters-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 4 feet.
Northwest swell 4 feet.
.TUESDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 4 feet.
Northwest swell 5 feet.
.TUESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 4 feet.
Northwest swell 5 feet.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 4 feet.
Northwest swell 6 feet. Isolated showers in the afternoon.
.WEDNESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 4 feet.
Northwest swell 6 feet increasing to 8 feet after midnight.
Isolated showers.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 4 feet.
Northwest swell 9 feet. Scattered showers.
.THURSDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 5 feet.
Northwest swell 9 feet. Scattered showers.
.FRIDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 6 to
7 feet. Northwest swell 6 to 8 feet. Scattered showers.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet.
Northwest swell 4 to 6 feet. Isolated showers.

$$

PHZ124-102000-
Big Island Southeast Waters-
900 PM HST Mon Dec 9 2019

.REST OF TONIGHT...East winds 15 knots. Wind waves 3 feet.
Northwest swell 4 feet. Isolated showers.
.TUESDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 5 feet. Isolated showers in the morning.
.TUESDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 5 feet. Isolated showers through the night.
.WEDNESDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 6 feet. Isolated showers in the morning, then scattered
showers in the afternoon.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 7 feet increasing to 9 feet after midnight.
Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 4 feet. Northwest
swell 10 feet. Scattered showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 10 feet. Scattered showers.
.FRIDAY...Northeast winds to 25 knots. Wind waves 6 to 7 feet.
Northwest swell 7 to 9 feet. Scattered showers.
.SATURDAY...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 5 to 6 feet. Scattered showers.

$$

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



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