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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

554
FZHW50 PHFO 211342
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
342 AM HST Sat Oct 21 2017

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

PHZ100-220230-
342 AM HST Sat Oct 21 2017

.Synopsis for Hawaiian coastal waters...
A surface ridge about 600 nm north of the area will move steadily
south, and will be over the islands on Sunday. A cold front will
approach from the northwest on Monday, and will move southeast
over the coastal waters Monday night through Tuesday.

$$

PHZ110-220230-
Kauai Northwest Waters-
342 AM HST Sat Oct 21 2017

.TODAY...East winds 20 knots. Wind waves 6 feet. North swell
3 feet. Scattered showers.
.TONIGHT...East winds 15 knots. Wind waves 6 feet. Northwest
swell 3 feet. Scattered showers in the evening, then isolated
showers after midnight.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. Northwest swell
7 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots becoming south
10 knots after midnight. Wind waves 3 feet. Northwest swell
7 feet. Haze through the night. Isolated showers in the evening.
Scattered showers after midnight.
.MONDAY...Southwest winds 15 knots rising to to 25 knots in the
afternoon. Wind waves 6 feet. Northwest swell 6 feet. Haze.
Scattered showers.
.MONDAY NIGHT...Northwest winds 20 knots. Wind waves 7 feet.
Northwest swell 7 feet increasing to 10 feet after midnight.
Scattered showers.
.TUESDAY...Northwest winds 10 knots. Wind waves 4 to 5 feet.
Northwest swell 10 to 12 feet. Scattered showers.
.WEDNESDAY...Northwest winds 10 knots becoming variable less than
10 knots. Wind waves 4 feet. North swell 9 to 11 feet. Isolated
showers.

$$

PHZ111-220230-
Kauai Windward Waters-
342 AM HST Sat Oct 21 2017

.TODAY...East winds 20 knots. Wind waves 6 feet. North swell
4 feet. Scattered showers.
.TONIGHT...East winds 15 knots. Wind waves 6 feet. Northwest
swell 3 feet. Scattered showers.
.SUNDAY...Southeast winds 10 knots. Wind waves 4 feet. Northwest
swell 5 feet increasing to 7 feet in the afternoon. Scattered
showers in the morning, then isolated showers in the afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots becoming
southwest 10 knots after midnight. Wind waves 4 feet. Northwest
swell 7 feet. Haze. Scattered showers.
.MONDAY...Southwest winds 15 knots. Wind waves 5 feet. Northwest
swell 6 feet. Haze. Scattered showers.
.MONDAY NIGHT...West winds 20 knots. Wind waves 7 feet. Northwest
swell 7 feet increasing to 9 feet after midnight. Scattered
showers.
.TUESDAY...Northwest winds 20 knots easing to 10 knots. Wind
waves 4 to 5 feet. North swell 10 to 12 feet. Scattered showers.
.WEDNESDAY...Northwest winds 10 knots becoming variable less than
10 knots. Wind waves 4 feet. North swell 9 to 11 feet. Isolated
showers.

$$

PHZ112-220230-
Kauai Leeward Waters-
342 AM HST Sat Oct 21 2017

.TODAY...East winds 20 knots. Wind waves 6 feet. North swell
3 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered showers in the evening, then isolated
showers after midnight.
.SUNDAY...East winds 10 knots. Wind waves 3 feet. Northwest swell
6 feet. Scattered showers in the morning, then isolated showers
in the afternoon. Haze in the afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots becoming south
10 knots after midnight. Wind waves 2 feet or less then 3 feet
after midnight. Northwest swell 7 feet. Haze through the night.
Isolated showers in the evening. Scattered showers after
midnight.
.MONDAY...Southwest winds 15 knots. Wind waves 4 feet. Northwest
swell 6 feet. Haze. Scattered showers.
.MONDAY NIGHT...Northwest winds 20 knots. Wind waves 6 feet.
Northwest swell 7 feet increasing to 9 feet after midnight.
Scattered showers.
.TUESDAY...North winds 10 knots. Wind waves 3 to 5 feet.
Northwest swell 10 to 12 feet. Scattered showers.
.WEDNESDAY...North winds 10 knots. Wind waves 3 feet. North swell
9 to 11 feet. Isolated showers.

$$

PHZ113-220230-
Kauai Channel-
342 AM HST Sat Oct 21 2017

.TODAY...Northeast winds 20 knots. Wind waves 6 feet. North swell
4 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 6 feet. North swell
3 feet. Isolated showers.
.SUNDAY...East winds 10 knots veering south in the afternoon.
Wind waves 4 feet. Northwest swell 5 feet. Scattered showers in
the morning, then isolated showers in the afternoon. Haze in the
afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots becoming
southwest 10 knots after midnight. Wind waves 3 feet. Northwest
swell 7 feet. Haze. Scattered showers.
.MONDAY...Southwest winds 15 knots. Wind waves 5 feet. Northwest
swell 6 feet. Haze. Scattered showers.
.MONDAY NIGHT...West winds 20 knots veering northwest after
midnight. Wind waves 6 feet. Northwest swell 6 feet. Scattered
showers.
.TUESDAY...Northwest winds 20 knots becoming north 10 knots. Wind
waves 4 to 5 feet. North swell 8 to 10 feet. Scattered showers.
.WEDNESDAY...North winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 3 feet. North swell 9 to
11 feet. Scattered showers.

$$

PHZ114-220230-
Oahu Windward Waters-
342 AM HST Sat Oct 21 2017

.TODAY...Northeast winds 20 knots. Wind waves 7 feet. North swell
4 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 6 feet. Northwest
swell 4 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SUNDAY...Southeast winds 10 knots. Wind waves 4 feet. Northwest
swell 5 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.SUNDAY NIGHT...South winds 10 knots. Wind waves 4 feet.
Northwest swell 7 feet. Haze. Scattered showers.
.MONDAY...South winds 10 knots becoming southwest 20 knots in the
afternoon. Wind waves 6 feet. Northwest swell 6 feet. Haze
through the day. Scattered showers in the morning. Showers likely
in the afternoon.
.MONDAY NIGHT...Southwest winds 20 knots veering northwest after
midnight. Wind waves 7 feet. Northwest swell 6 feet. Haze. Heavy
showers likely.
.TUESDAY...Northwest winds 20 knots easing to 10 knots in the
afternoon, then becoming variable less than 10 knots in the
evening becoming northwest 10 knots after midnight. Wind waves
4 to 5 feet. North swell 9 to 11 feet. Scattered showers.
.WEDNESDAY...North winds 10 knots becoming variable less than
10 knots. Wind waves 4 feet. North swell 9 to 11 feet. Scattered
showers.

$$

PHZ115-220230-
Oahu Leeward Waters-
342 AM HST Sat Oct 21 2017

.TODAY...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 4 feet. Isolated showers through the day.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers.
.SUNDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 3 feet in the morning then 2 feet
or less. Northwest swell 5 feet. Haze through the day. Scattered
showers in the morning. Isolated showers in the afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 6 feet. Haze. Scattered showers.
.MONDAY...South winds 15 knots. Wind waves 4 feet. Northwest
swell 6 feet. Haze through the day. Scattered showers in the
morning. Showers likely in the afternoon.
.MONDAY NIGHT...West winds 15 knots. Wind waves 4 feet. Northwest
swell 5 feet. Heavy showers likely in the evening, then scattered
heavy showers after midnight.
.TUESDAY...North winds 10 knots becoming variable less than
10 knots, then becoming north 10 knots after midnight. Wind waves
3 to 4 feet. Northwest swell 7 to 9 feet. Scattered showers.
.WEDNESDAY...North winds 10 knots. Wind waves 2 feet or less.
Northwest swell 8 to 10 feet. Scattered showers.

$$

PHZ116-220230-
Kaiwi Channel-
342 AM HST Sat Oct 21 2017

.TODAY...Northeast winds 20 knots. Wind waves 6 feet. North swell
4 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 6 feet. North swell
4 feet. Isolated showers.
.SUNDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 4 feet. Northwest swell 5 feet.
Scattered showers in the morning, then isolated showers in the
afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots. Wind waves
4 feet. Northwest swell 7 feet. Haze. Scattered showers.
.MONDAY...South winds 10 knots. Wind waves 5 feet. Northwest
swell 6 feet. Haze through the day. Scattered showers in the
morning. Showers likely in the afternoon.
.MONDAY NIGHT...Southwest winds 15 knots veering west after
midnight. Wind waves 5 feet. Northwest swell 5 feet. Haze. Heavy
showers likely.
.TUESDAY...Northwest winds 10 knots becoming variable less than
10 knots, then becoming north 10 knots after midnight. Wind waves
4 to 5 feet. Northwest swell 8 to 10 feet. Haze. Scattered
showers.
.WEDNESDAY...North winds 10 knots. Wind waves 4 feet. North swell
9 to 11 feet. Scattered showers.

$$

PHZ117-220230-
Maui County Windward Waters-
342 AM HST Sat Oct 21 2017

.TODAY...Northeast winds 20 knots. Wind waves 6 feet. North swell
4 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TONIGHT...East winds 15 knots. Wind waves 6 feet. North swell
4 feet. Isolated showers in the evening, then scattered showers
after midnight.
.SUNDAY...Southeast winds 10 knots. Wind waves 4 feet. Northwest
swell 5 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 knots. Wind waves 5 feet.
Northwest swell 7 feet. Haze. Scattered showers.
.MONDAY...South winds 10 knots. Wind waves 5 feet. Northwest
swell 7 feet. Haze through the day. Scattered showers in the
morning. Showers likely in the afternoon.
.MONDAY NIGHT...Southwest winds 15 knots. Wind waves 6 feet.
Northwest swell 6 feet. Haze. Heavy showers likely.
.TUESDAY...Northwest winds 10 knots becoming variable less than
10 knots, then becoming north 10 knots after midnight. Wind waves
4 to 5 feet. Northwest swell 8 to 10 feet. Haze. Scattered heavy
showers.
.WEDNESDAY...North winds 10 knots. Wind waves 4 feet. North swell
9 to 11 feet. Scattered showers.

$$

PHZ118-220230-
Maui County Leeward Waters-
342 AM HST Sat Oct 21 2017

.TODAY...Northeast winds 20 knots. Wind waves 6 feet. North swell
3 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. North swell
3 feet. Isolated showers through the night.
.SUNDAY...Winds variable less than 10 knots. Wind waves 3 feet in
the morning then 2 feet or less. Northwest swell 3 feet. Haze
through the day. Isolated showers through the day.
.SUNDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 5 feet. Haze. Scattered showers.
.MONDAY...South winds 10 knots. Wind waves 4 feet. Northwest
swell 5 feet. Haze. Showers likely.
.MONDAY NIGHT...South winds 15 knots veering west after midnight.
Wind waves 5 feet. Northwest swell 4 feet. Haze. Heavy showers
likely.
.TUESDAY...Northwest winds 10 knots becoming variable less than
10 knots, then becoming north 10 knots after midnight. Wind waves
3 to 4 feet. Northwest swell 5 to 7 feet. Haze. Scattered heavy
showers.
.WEDNESDAY...North winds 10 knots. Wind waves 3 feet. Northwest
swell 7 to 8 feet. Scattered showers.

$$

PHZ119-220230-
Maalaea Bay-
342 AM HST Sat Oct 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...North winds to 25 knots. Wind waves 3 feet. Isolated
showers through the day.
.TONIGHT...Northeast winds 15 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet in the evening
then 2 feet or less. Isolated showers in the evening.
.SUNDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated showers through the day.
.SUNDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Haze through the night. Isolated showers in the
evening. Scattered showers after midnight.
.MONDAY...Winds variable less than 10 knots becoming south
10 knots in the afternoon. Wind waves 2 feet or less. Haze
through the day. Scattered showers in the morning. Showers likely
in the afternoon.
.MONDAY NIGHT...Southwest winds 15 knots. Wind waves 4 feet. Haze
through the night. Occasional showers in the evening. Scattered
heavy showers after midnight.
.TUESDAY...West winds 15 knots in the morning becoming variable
less than 10 knots. Wind waves 2 feet or less. Haze. Scattered
heavy showers.
.WEDNESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Scattered showers.

$$

PHZ120-220230-
Pailolo Channel-
342 AM HST Sat Oct 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...Northeast winds to 25 knots. Wind waves 6 feet. North
swell 4 feet. Isolated showers through the day.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. North swell
3 feet. Isolated showers in the evening, then scattered showers
after midnight.
.SUNDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 4 feet. Northwest swell 4 feet.
Isolated showers through the day.
.SUNDAY NIGHT...Northeast winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet. Northwest swell
5 feet. Haze through the night. Isolated showers in the evening.
Scattered showers after midnight.
.MONDAY...Winds variable less than 10 knots becoming south
15 knots in the afternoon. Wind waves 4 feet. Northwest swell
5 feet. Haze through the day. Scattered showers in the morning.
Showers likely in the afternoon.
.MONDAY NIGHT...South winds 15 knots veering west after midnight.
Wind waves 4 feet. Northwest swell 4 feet. Haze through the
night. Occasional showers in the evening. Scattered heavy showers
after midnight.
.TUESDAY...Northwest winds 10 knots becoming variable less than
10 knots, then becoming north 10 knots after midnight. Wind waves
3 to 4 feet. Northwest swell 5 to 7 feet. Haze. Scattered heavy
showers.
.WEDNESDAY...Northeast winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 7 to 9 feet. Scattered showers.

$$

PHZ121-220230-
Alenuihaha Channel-
342 AM HST Sat Oct 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...Northeast winds to 25 knots. Wind waves 8 feet. North
swell 4 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 6 feet. North swell
4 feet. Scattered showers in the evening, then isolated showers
after midnight.
.SUNDAY...East winds 10 knots backing northwest in the afternoon.
Wind waves 4 feet. Northwest swell 4 feet. Isolated showers
through the day. Haze in the afternoon.
.SUNDAY NIGHT...East winds 10 knots veering south after midnight.
Wind waves 4 feet. Northwest swell 6 feet. Haze through the
night. Isolated showers in the evening. Scattered showers after
midnight.
.MONDAY...South winds 10 knots. Wind waves 4 feet. Northwest
swell 7 feet. Haze. Scattered showers.
.MONDAY NIGHT...Southwest winds 20 knots. Wind waves 6 feet.
Northwest swell 6 feet. Haze through the night. Showers likely in
the evening. Scattered heavy showers after midnight.
.TUESDAY...Southwest winds 20 knots in the morning becoming
variable less than 10 knots, then becoming north 10 knots after
midnight. Wind waves 4 to 5 feet. Northwest swell 6 to 8 feet and
south 3 feet. Haze. Scattered heavy showers.
.WEDNESDAY...North winds 10 knots. Wind waves 4 feet. Northwest
swell 8 to 10 feet and south 3 feet. Scattered showers.

$$

PHZ122-220230-
Big Island Windward Waters-
342 AM HST Sat Oct 21 2017

.TODAY...Northeast winds 15 knots. Wind waves 5 feet. North swell
5 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. North swell
4 feet. Isolated showers in the evening, then scattered showers
after midnight.
.SUNDAY...Southeast winds 10 knots. Wind waves 4 feet. Northwest
swell 4 feet. Haze. Scattered showers.
.SUNDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
Northwest swell 6 feet. Haze. Showers likely.
.MONDAY...Southeast winds 15 knots. Wind waves 6 feet. Northwest
swell 7 feet. Haze. Scattered showers.
.MONDAY NIGHT...South winds to 25 knots. Wind waves 8 feet.
Northwest swell 6 feet. Swell southwest 3 feet. Haze. Heavy
showers likely.
.TUESDAY...South winds to 25 knots easing to 10 knots in the
afternoon and evening, then veering west after midnight. Wind
waves 5 to 6 feet. Northwest swell 6 to 8 feet and south 3 feet.
Haze. Heavy showers likely.
.WEDNESDAY...North winds 10 knots. Wind waves 4 feet. Northwest
swell 8 to 10 feet and south 3 feet. Scattered showers.

$$

PHZ123-220230-
Big Island Leeward Waters-
342 AM HST Sat Oct 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...Winds variable less than 10 knots west of the Big
Island...northeast to 25 knots near South Point. Wind waves
8 feet. Haze. Isolated showers.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet. Haze.
Isolated showers.
.SUNDAY...Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet in the afternoon. Haze. Scattered showers.
.SUNDAY NIGHT...West of the Big Island, north winds 10 knots in
the evening becoming variable less than 10 knots. Near South
Point, east winds 15 knots. Wind waves 5 feet. Northwest swell
4 feet. Haze through the night. Scattered showers in the evening.
Showers likely after midnight.
.MONDAY...South winds 10 knots west of the Big Island...east
20 knots near South Point. Wind waves 5 feet. Northwest swell
4 feet. Haze. Showers likely.
.MONDAY NIGHT...South winds 20 knots west of the Big Island...
southwest 10 knots near Kawaihae. Wind waves 6 feet. Mixed swell
northwest 4 feet and south 3 feet. Haze. Heavy showers likely.
.TUESDAY...South winds 20 knots in the morning becoming variable
less than 10 knots. Wind waves 4 to 5 feet. Mixed swell northwest
4 to 6 feet and south 3 feet. Haze. Scattered heavy showers.
.WEDNESDAY...North winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 6 to 7 feet and south 3 feet. Haze. Scattered
showers.

$$

PHZ124-220230-
Big Island Southeast Waters-
342 AM HST Sat Oct 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...Northeast winds to 25 knots. Wind waves 8 feet. North
swell 4 feet. Isolated showers in the morning. Haze in the
afternoon.
.TONIGHT...Northeast winds 20 knots. Wind waves 6 feet. North
swell 4 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
4 feet. Haze in the morning. Scattered showers through the day.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Northwest
swell 4 feet. Showers likely.
.MONDAY...Southeast winds 15 knots. Wind waves 5 feet. Northwest
swell 6 feet. Showers likely in the morning, then scattered
showers in the afternoon.
.MONDAY NIGHT...South winds 15 knots. Wind waves 6 feet. Mixed
swell northwest 5 feet and south 3 feet. Heavy showers likely.
.TUESDAY...South winds 20 knots becoming variable less than
10 knots. Wind waves 4 to 5 feet. Mixed swell northwest 4 to
6 feet and south 3 feet. Occasional heavy showers.
.WEDNESDAY...North winds 10 knots. Wind waves 4 feet. Northwest
swell 6 to 7 feet and south 3 feet. Showers likely.

$$

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



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