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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

345
FZHW50 PHFO 170727
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
927 PM HST Sun Dec 16 2018

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

PHZ100-172015-
927 PM HST Sun Dec 16 2018

.Synopsis for Hawaiian coastal waters...
High pressure north of the state will maintain moderate to
locally strong trade winds through Monday, with some weakening
late Monday and Tuesday. A front will make its way down the
island chain late Tuesday into Wednesday and will bring strong
northeast winds. Another large northwest swell is expected to
build on Tuesday, rapidly building seas in excess of 10 feet in
waters exposed to the swell.

$$

PHZ110-172015-
Kauai Northwest Waters-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TONIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 10 feet. Isolated showers through the night.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Northwest swell
8 feet.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 8 feet increasing to 10 feet after midnight.
Isolated showers.
.TUESDAY...North winds 15 knots rising to to 25 knots in the
afternoon. Wind waves 5 feet. Northwest swell 13 feet. Isolated
showers.
.TUESDAY NIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 14 feet. Scattered showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 11 feet. Scattered showers in the morning.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 11 feet.
.THURSDAY...East winds 15 knots. Wind waves 4 feet. North swell
7 to 9 feet. Isolated showers.
.FRIDAY...East winds 10 knots. Wind waves 4 feet. Northwest swell
5 to 6 feet. Isolated showers.

$$

PHZ111-172015-
Kauai Windward Waters-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TONIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 10 feet. Isolated showers.
.MONDAY...East winds 10 knots. Wind waves 4 feet. Northwest swell
8 feet.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 8 feet increasing to 10 feet after midnight.
Isolated showers.
.TUESDAY...North winds 10 knots rising to 20 knots in the
afternoon. Wind waves 5 feet. Northwest swell 13 feet. Isolated
showers.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 14 feet. Scattered showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 11 feet. Scattered showers in the morning.
.WEDNESDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 11 feet.
.THURSDAY...East winds 15 knots. Wind waves 4 to 5 feet. North
swell 7 to 9 feet. Isolated showers.
.FRIDAY...East winds 10 knots. Wind waves 4 feet. Northwest swell
5 to 6 feet. Isolated showers.

$$

PHZ112-172015-
Kauai Leeward Waters-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

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

$$

PHZ113-172015-
Kauai Channel-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TONIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 10 feet. Isolated showers.
.MONDAY...Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 8 feet.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 8 feet. Isolated showers.
.TUESDAY...North winds 15 knots. Wind waves 4 feet. Northwest
swell 12 feet. Isolated showers.
.TUESDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 13 feet. Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 11 feet. Isolated showers in the morning.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 10 feet.
.THURSDAY...East winds 15 knots. Wind waves 4 to 5 feet. North
swell 7 to 9 feet.
.FRIDAY...East winds 10 knots. Wind waves 4 feet. North swell
5 to 6 feet.

$$

PHZ114-172015-
Oahu Windward Waters-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TONIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 11 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
10 feet.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 9 feet. Isolated showers.
.TUESDAY...North winds 10 knots. Wind waves 4 feet. Northwest
swell 12 feet. Isolated showers.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 13 feet. Scattered showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 12 feet. Scattered showers in the morning.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 10 feet.
.THURSDAY...East winds 15 knots. Wind waves 5 feet. North swell
8 to 10 feet. Isolated showers.
.FRIDAY...East winds 15 knots. Wind waves 4 to 5 feet. Northwest
swell 5 to 7 feet. Isolated showers.

$$

PHZ115-172015-
Oahu Leeward Waters-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TONIGHT...Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 9 feet.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
7 feet.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Northwest swell 7 feet.
.TUESDAY...North winds 10 knots. Wind waves 4 feet. Northwest
swell 10 feet increasing to 12 feet in the afternoon. Isolated
showers in the afternoon.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 11 feet. Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 10 feet. Isolated showers in the morning.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 9 feet.
.THURSDAY...East winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 7 to 9 feet.
.FRIDAY...East winds 10 knots. Wind waves 3 feet. Northwest swell
4 to 6 feet.

$$

PHZ116-172015-
Kaiwi Channel-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

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

$$

PHZ117-172015-
Maui County Windward Waters-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TONIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 11 feet. Isolated showers.
.MONDAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
9 feet. Isolated showers in the afternoon.
.MONDAY NIGHT...East winds 10 knots. Wind waves 5 feet. Northwest
swell 8 feet. Isolated showers.
.TUESDAY...East winds 10 knots backing north in the afternoon.
Wind waves 3 feet. Northwest swell 11 feet increasing to 13 feet
in the afternoon. Isolated showers.
.TUESDAY NIGHT...North winds 20 knots. Wind waves 6 feet.
Northwest swell 13 feet. Scattered showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 12 feet. Scattered showers in the morning.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 11 feet.
.THURSDAY...East winds 15 knots. Wind waves 4 to 5 feet.
Northwest swell 8 to 10 feet. Isolated showers.
.FRIDAY...East winds 15 knots. Wind waves 4 to 5 feet. Northwest
swell 5 to 7 feet. Isolated showers.

$$

PHZ118-172015-
Maui County Leeward Waters-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 7 feet.
.MONDAY...Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 6 feet.
.MONDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
North swell 5 feet.
.TUESDAY...Winds variable less than 10 knots becoming north
15 knots in the afternoon. Wind waves 3 feet. Northwest swell
7 feet. Isolated showers in the afternoon.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 8 feet. Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 8 feet. Isolated showers in the morning.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 7 feet.
.THURSDAY...Northeast winds 15 knots. Wind waves 4 feet. North
swell 5 to 7 feet.
.FRIDAY...Northeast winds 10 knots. Wind waves 3 to 4 feet. North
swell 4 to 5 feet.

$$

PHZ119-172015-
Maalaea Bay-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TONIGHT...North winds to 25 knots. Wind waves 3 feet.
.MONDAY...North winds to 25 knots. Wind waves 3 feet.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 2 feet or
less.
.TUESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less.
.TUESDAY NIGHT...North winds 15 knots. Wind waves 2 feet or less.
.WEDNESDAY...North winds to 25 knots. Wind waves 3 feet.
.WEDNESDAY NIGHT...North winds to 25 knots. Wind waves 3 feet.
.THURSDAY...North winds 20 knots. Wind waves 3 feet.
.FRIDAY...North winds 20 knots. Wind waves 2 feet or less.

$$

PHZ120-172015-
Pailolo Channel-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TONIGHT...East winds to 25 knots. Wind waves 5 feet.
Northwest swell 8 feet. Isolated showers after midnight.
.MONDAY...East winds to 25 knots. Wind waves 5 feet. Northwest
swell 7 feet.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 7 feet. Isolated showers after midnight.
.TUESDAY...Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 8 feet. Isolated showers.
.TUESDAY NIGHT...North winds 15 knots becoming northeast to
25 knots after midnight. Wind waves 5 feet. Northwest swell
10 feet. Scattered showers.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves 6 feet.
Northwest swell 9 feet. Scattered showers in the morning.
.WEDNESDAY NIGHT...Northeast winds to 25 knots. Wind waves
5 feet. Northwest swell 8 feet.
.THURSDAY...East winds 20 knots. Wind waves 4 to 5 feet.
Northwest swell 6 to 8 feet.
.FRIDAY...East winds 15 knots rising to 20 knots. Wind waves
4 feet. North swell 4 to 6 feet.

$$

PHZ121-172015-
Alenuihaha Channel-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TONIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 11 feet. Isolated showers.
.MONDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 9 feet.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 8 feet. Isolated showers.
.TUESDAY...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 9 feet increasing to 12 feet in the afternoon. Isolated
showers.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 12 feet. Scattered showers.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 11 feet. Scattered showers in the morning.
.WEDNESDAY NIGHT...Northeast winds to 25 knots. Wind waves
7 feet. Northwest swell 10 feet.
.THURSDAY...East winds 20 knots. Wind waves 6 to 7 feet. North
swell 8 to 10 feet.
.FRIDAY...East winds 20 knots. Wind waves 5 to 6 feet. North
swell 5 to 7 feet.

$$

PHZ122-172015-
Big Island Windward Waters-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 12 feet. Isolated showers.
.MONDAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
10 feet. Isolated showers in the afternoon.
.MONDAY NIGHT...East winds 10 knots. Wind waves 5 feet. Northwest
swell 8 feet. Isolated showers.
.TUESDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 4 feet. Northwest swell 10 feet
increasing to 12 feet in the afternoon. Isolated showers.
.TUESDAY NIGHT...North winds 15 knots. Wind waves 4 feet.
Northwest swell 13 feet. Scattered showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 12 feet. Scattered showers in the morning, then
isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 11 feet. Isolated showers.
.THURSDAY...East winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 8 to 10 feet. Isolated showers.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
6 to 8 feet. Isolated showers.

$$

PHZ123-172015-
Big Island Leeward Waters-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TONIGHT...Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
8 feet. Northwest swell 7 feet.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
Northwest swell 6 feet.
.MONDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers after midnight.
.TUESDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 4 feet. Northwest swell
5 feet. Isolated showers in the morning.
.TUESDAY NIGHT...West of the Big Island, north winds 15 knots.
Near South Point, winds variable less than 10 knots becoming east
10 knots after midnight. Wind waves 4 feet. Northwest swell
7 feet.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 7 feet. Isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet.
Northwest swell 7 feet. Isolated showers.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet.
Northwest swell 5 to 6 feet.
.FRIDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 6 to 7 feet.
Northwest swell 3 to 5 feet.

$$

PHZ124-172015-
Big Island Southeast Waters-
927 PM HST Sun Dec 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.REST OF TONIGHT...Northeast winds to 25 knots. Wind waves
9 feet. Northwest swell 9 feet. Isolated showers.
.MONDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 8 feet. Isolated showers through the day.
.MONDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Northwest
swell 7 feet. Isolated showers.
.TUESDAY...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 7 feet. Isolated showers.
.TUESDAY NIGHT...Northeast winds 10 knots. Wind waves 5 feet.
Northwest swell 9 feet. Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 9 feet. Isolated showers through the day.
.WEDNESDAY NIGHT...Northeast winds to 25 knots. Wind waves
8 feet. Northwest swell 8 feet. Isolated showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 7 to 8 feet.
Northwest swell 7 to 8 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
5 to 7 feet. Isolated showers.

$$

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



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