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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

692
FZHW50 PHFO 201929
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
929 AM HST Wed Sep 20 2017

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

PHZ100-210745-
929 AM HST Wed Sep 20 2017

.Synopsis for Hawaiian coastal waters...
A ridge of high pressure far north of the state will slowly weaken
through Friday. The ridge will move closer to the state during the
weekend in response to a cold front approaching from the
northwest.

$$

PHZ110-210745-
Kauai Northwest Waters-
929 AM HST Wed Sep 20 2017

.TODAY...East winds 20 knots. Wind waves 5 feet. Isolated showers
in the morning, then scattered showers in the afternoon.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Scattered showers in the
morning, then isolated showers in the afternoon.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Scattered showers in the
morning, then isolated showers in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers in
the evening, then scattered showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Scattered showers.
.SUNDAY...East winds 10 knots. Wind waves 3 to 4 feet. Northwest
swell 3 feet. Scattered showers.

$$

PHZ111-210745-
Kauai Windward Waters-
929 AM HST Wed Sep 20 2017

.TODAY...East winds 15 knots. Wind waves 6 feet. Scattered
showers.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet after midnight. Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 6 feet.
Northwest swell 3 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 10 knots. Wind waves 4 feet. Northwest
swell 3 feet. Scattered showers.
.SUNDAY...East winds 10 knots. Wind waves 3 to 4 feet. Northwest
swell 3 feet. Scattered showers.

$$

PHZ112-210745-
Kauai Leeward Waters-
929 AM HST Wed Sep 20 2017

.TODAY...East winds 20 knots. Wind waves 6 feet. Swell southeast
3 feet. Isolated showers in the morning, then scattered showers
in the afternoon.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Isolated showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Isolated showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Isolated showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 3 feet. Northwest swell
3 feet. Isolated showers.

$$

PHZ113-210745-
Kauai Channel-
929 AM HST Wed Sep 20 2017

.TODAY...East winds 20 knots. Wind waves 6 feet. Swell southeast
3 feet. Scattered showers.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Swell
southeast 3 feet. Isolated showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Isolated showers through
the day.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 5 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers
through the day.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Mixed swell northwest 3 feet and southeast 3 feet. Isolated
showers through the night.
.SATURDAY...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 3 feet. Northwest swell
3 feet. Isolated showers.

$$

PHZ114-210745-
Oahu Windward Waters-
929 AM HST Wed Sep 20 2017

.TODAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Scattered
showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 6 feet.
Northwest swell 3 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Scattered showers.
.SUNDAY...East winds 10 knots. Wind waves 3 to 4 feet. Northwest
swell 3 feet. Scattered showers.

$$

PHZ115-210745-
Oahu Leeward Waters-
929 AM HST Wed Sep 20 2017

.TODAY...East winds 20 knots. Wind waves 6 feet. Swell southeast
3 feet. Isolated showers.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. Swell
southeast 3 feet. Isolated showers.
.THURSDAY...East winds 20 knots. Wind waves 5 feet. Swell
southeast 3 feet. Isolated showers through the day.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Swell
southeast 3 feet. Isolated showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 feet. Swell
southeast 3 feet. Isolated showers through the day.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Mixed swell northwest 3 feet and southeast 3 feet. Isolated
showers through the night.
.SATURDAY...Northeast winds 15 knots. Wind waves 3 to 4 feet.
Mixed swell northwest 3 feet and southeast 3 feet. Isolated
showers.
.SUNDAY...East winds 10 knots. Wind waves 3 feet. Isolated
showers.

$$

PHZ116-210745-
Kaiwi Channel-
929 AM HST Wed Sep 20 2017

.TODAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Isolated
showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet in the afternoon. Isolated showers through the day.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers through the day.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers through the night.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. Northwest swell
3 feet. Isolated showers.

$$

PHZ117-210745-
Maui County Windward Waters-
929 AM HST Wed Sep 20 2017

.TODAY...East winds 20 knots. Wind waves 6 feet. Swell southeast
3 feet. Isolated showers.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Swell
southeast 3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet in the afternoon. Swell southeast 3 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Scattered showers in the
morning, then isolated showers in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers in
the evening, then scattered showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Scattered showers.
.SUNDAY...East winds 10 knots. Wind waves 3 to 4 feet. Northwest
swell 3 feet. Scattered showers.

$$

PHZ118-210745-
Maui County Leeward Waters-
929 AM HST Wed Sep 20 2017

.TODAY...East winds 20 knots. Wind waves 6 feet. Isolated showers
through the day.
.TONIGHT...Northeast winds 15 knots. Wind waves 5 feet. Isolated
showers.
.THURSDAY...Northeast winds 15 knots. Wind waves 5 feet. Isolated
showers in the morning.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Isolated showers.
.FRIDAY...East winds 10 knots. Wind waves 4 feet. Isolated
showers in the morning.
.FRIDAY NIGHT...Northeast winds 10 knots. Wind waves 4 feet.
Isolated showers after midnight.
.SATURDAY...Northeast winds 10 knots. Wind waves 3 feet. Isolated
showers.
.SUNDAY...Northeast winds 10 knots in the morning becoming
variable less than 10 knots, then becoming east 10 knots. Wind
waves 3 feet. Isolated showers.

$$

PHZ119-210745-
Maalaea Bay-
929 AM HST Wed Sep 20 2017

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

.TODAY...North winds to 25 knots. Wind waves 3 feet. Isolated
showers in the morning.
.TONIGHT...North winds to 25 knots. Wind waves 2 feet or less.
.THURSDAY...North winds to 25 knots. Wind waves 2 feet or less.
.THURSDAY NIGHT...North winds to 25 knots. Wind waves 2 feet or
less.
.FRIDAY...North winds 20 knots. Wind waves 2 feet or less.
.FRIDAY NIGHT...North winds 20 knots. Wind waves 2 feet or less.
.SATURDAY...North winds 15 knots. Wind waves 2 feet or less.
.SUNDAY...North winds 15 knots. Wind waves 2 feet or less.

$$

PHZ120-210745-
Pailolo Channel-
929 AM HST Wed Sep 20 2017

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

.TODAY...East winds to 25 knots. Wind waves 6 feet. Isolated
showers.
.TONIGHT...East winds to 25 knots. Wind waves 5 feet. Isolated
showers in the evening. Scattered showers after midnight.
.THURSDAY...Northeast winds to 25 knots. Wind waves 5 feet.
Isolated showers.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 5 feet.
Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 4 feet. Isolated
showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 4 feet. Isolated
showers in the evening. Scattered showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 3 feet. Isolated
showers.
.SUNDAY...East winds 15 knots. Wind waves 3 feet. Isolated
showers.

$$

PHZ121-210745-
Alenuihaha Channel-
929 AM HST Wed Sep 20 2017

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

.TODAY...East winds to 25 knots. Wind waves 7 feet. Isolated
showers.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. Swell
southeast 3 feet. Isolated showers through the night.
.THURSDAY...East winds to 25 knots. Wind waves 7 feet. Swell
southeast 3 feet. Isolated showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 3 feet after midnight. Swell southeast 3 feet.
Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
3 feet. Swell southeast 3 feet. Isolated showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Northwest swell
3 feet. Isolated showers.

$$

PHZ122-210745-
Big Island Windward Waters-
929 AM HST Wed Sep 20 2017

.TODAY...East winds 20 knots. Wind waves 5 feet. Swell southeast
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Swell
southeast 3 feet. Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 5 feet. Swell
southeast 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 3 feet after midnight. Swell southeast 3 feet.
Scattered showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Scattered showers in
the morning, then isolated showers in the afternoon.
.FRIDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers in
the evening, then scattered showers after midnight.
.SATURDAY...East winds 10 knots. Wind waves 3 to 4 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Scattered showers.
.SUNDAY...East winds 10 knots. Wind waves 3 feet. Northwest swell
3 feet. Scattered showers.

$$

PHZ123-210745-
Big Island Leeward Waters-
929 AM HST Wed Sep 20 2017

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

.TODAY...West of the Big Island, winds variable less than
10 knots becoming southwest 10 knots in the afternoon. Near South
Point, east winds to 25 knots. Wind waves 8 feet. Swell southeast
3 feet. Haze through the day. Isolated showers through the day.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
Swell southeast 3 feet. Haze. Isolated showers.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
Swell southeast 3 feet. Haze. Isolated showers.
.THURSDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
8 feet. Swell southeast 3 feet. Haze. Isolated showers.
.FRIDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 6 feet. Swell
southeast 3 feet. Haze. Isolated showers.
.FRIDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 feet. Swell
southeast 3 feet. Haze through the night. Isolated showers after
midnight.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 4 to 5 feet.
Swell southeast 3 feet. Haze. Isolated showers.
.SUNDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 4 feet. Haze.
Isolated showers.

$$

PHZ124-210745-
Big Island Southeast Waters-
929 AM HST Wed Sep 20 2017

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

.TODAY...East winds to 25 knots. Wind waves 7 feet. Swell
southeast 3 feet. Isolated showers.
.TONIGHT...Northeast winds to 25 knots. Wind waves 8 feet. Swell
southeast 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.THURSDAY...Northeast winds to 25 knots. Wind waves 8 feet. Swell
southeast 3 feet. Isolated showers.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Swell southeast 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...Northeast winds 20 knots. Wind waves 6 feet. Swell
southeast 3 feet. Isolated showers.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Swell southeast 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.SATURDAY...Northeast winds 15 knots. Wind waves 4 to 5 feet.
Swell southeast 3 feet. Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers.

$$

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