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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

499
FZHW50 PHFO 211928
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
928 AM HST Wed Aug 21 2019

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

PHZ100-220815-
928 AM HST Wed Aug 21 2019

.Synopsis for Hawaiian coastal waters...
High pressure north of the state will keep moderate to locally
strong trade winds in place through the weekend.

$$

PHZ110-220815-
Kauai Northwest Waters-
928 AM HST Wed Aug 21 2019

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

$$

PHZ111-220815-
Kauai Windward Waters-
928 AM HST Wed Aug 21 2019

.TODAY...Northeast winds 15 knots. Wind waves 5 feet. South swell
4 feet. Swell northwest 3 feet. Scattered showers in the morning,
then isolated showers in the afternoon.
.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell south 3 feet and northwest 3 feet. Scattered showers.
.THURSDAY...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell south 3 feet and northwest 3 feet. Scattered showers.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 3 feet. Swell
northwest 3 feet. Scattered showers.
.FRIDAY...East winds 10 knots. Wind waves 3 feet. Swell northwest
3 feet. Scattered showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Swell
northwest 3 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 to 5 feet.
Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers.

$$

PHZ112-220815-
Kauai Leeward Waters-
928 AM HST Wed Aug 21 2019

.TODAY...Northeast winds 20 knots. Wind waves 5 feet. South swell
4 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TONIGHT...Northeast winds 20 knots. Wind waves 5 feet. Mixed
swell south 3 feet and northwest 3 feet. Scattered showers.
.THURSDAY...Northeast winds 15 knots. Wind waves 5 feet. Mixed
swell south 3 feet and northwest 3 feet. Scattered showers.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Swell northwest 3 feet. Scattered showers.
.FRIDAY...East winds 10 knots. Wind waves 3 feet. Swell northwest
3 feet. Scattered showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 3 feet. Swell
northwest 3 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 to 5 feet.
Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 6 to 7 feet. Isolated
showers.

$$

PHZ113-220815-
Kauai Channel-
928 AM HST Wed Aug 21 2019

.TODAY...Northeast winds 20 knots. Wind waves 5 feet. South swell
5 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TONIGHT...Northeast winds 20 knots. Wind waves 5 feet. South
swell 3 feet. Swell northwest 3 feet. Scattered showers.
.THURSDAY...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell south 3 feet and northwest 3 feet. Scattered showers.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Swell northwest 3 feet. Scattered showers.
.FRIDAY...East winds 10 knots. Wind waves 3 feet. Swell northwest
3 feet. Isolated showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Swell
northwest 3 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 4 to 5 feet.
Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 6 to 7 feet. Isolated
showers.

$$

PHZ114-220815-
Oahu Windward Waters-
928 AM HST Wed Aug 21 2019

.TODAY...East winds 15 knots. Wind waves 4 feet. South swell
4 feet. Scattered showers.
.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell south 3 feet and northwest 3 feet. Scattered showers.
.THURSDAY...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell south 3 feet and northwest 3 feet. Scattered showers.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 3 feet. Swell
northwest 3 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 3 feet. Swell northwest
3 feet. Scattered showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Swell
northwest 3 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 5 to 7 feet.
Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. Scattered
showers.

$$

PHZ115-220815-
Oahu Leeward Waters-
928 AM HST Wed Aug 21 2019

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

$$

PHZ116-220815-
Kaiwi Channel-
928 AM HST Wed Aug 21 2019

.TODAY...Northeast winds 20 knots. Wind waves 5 feet. South swell
4 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.TONIGHT...Northeast winds 20 knots. Wind waves 5 feet. South
swell 4 feet. Scattered showers.
.THURSDAY...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell south 3 feet and northwest 3 feet. Scattered showers in the
morning, then isolated showers in the afternoon.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Swell northwest 3 feet. Scattered showers in the evening, then
isolated showers after midnight.
.FRIDAY...East winds 15 knots. Wind waves 4 feet. Swell northwest
3 feet. Isolated showers in the morning, then scattered showers
in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Swell
northwest 3 feet. Scattered showers in the evening, then isolated
showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 5 to 7 feet.
Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. Isolated
showers.

$$

PHZ117-220815-
Maui County Windward Waters-
928 AM HST Wed Aug 21 2019

.TODAY...East winds 20 knots. Wind waves 4 feet. Southwest swell
4 feet. Scattered showers.
.TONIGHT...East winds 15 knots. Wind waves 4 feet. Southwest
swell 3 feet. Swell northwest 3 feet. Scattered showers.
.THURSDAY...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell southwest 3 feet and northwest 3 feet. Scattered showers in
the morning, then isolated showers in the afternoon.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 3 feet. Swell
northwest 3 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 4 feet. Swell northwest
3 feet. Scattered showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Swell
northwest 3 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 5 to 7 feet.
Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 6 to 7 feet. Scattered
showers.

$$

PHZ118-220815-
Maui County Leeward Waters-
928 AM HST Wed Aug 21 2019

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

$$

PHZ119-220815-
Maalaea Bay-
928 AM HST Wed Aug 21 2019

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

.TODAY...North winds to 25 knots. Wind waves 3 feet. South swell
3 feet.
.TONIGHT...North winds to 25 knots. Wind waves 3 feet. South
swell 3 feet.
.THURSDAY...North winds to 25 knots. Wind waves 3 feet. South
swell 3 feet.
.THURSDAY NIGHT...North winds 15 knots. Wind waves 3 feet in the
evening then 2 feet or less.
.FRIDAY...North winds 10 knots. Wind waves 2 feet or less.
Isolated showers.
.FRIDAY NIGHT...North winds 20 knots. Wind waves 2 feet or less.
.SATURDAY...North winds to 25 knots. Wind waves 3 feet. Isolated
showers.
.SUNDAY...North winds to 25 knots. Wind waves 3 feet.

$$

PHZ120-220815-
Pailolo Channel-
928 AM HST Wed Aug 21 2019

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

.TODAY...East winds to 25 knots. Wind waves 5 feet. South swell
4 feet. Isolated showers through the day.
.TONIGHT...East winds to 25 knots. Wind waves 4 feet. South swell
4 feet. Isolated showers.
.THURSDAY...East winds to 25 knots. Wind waves 4 feet. South
swell 3 feet. Isolated showers.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 4 feet. Scattered
showers in the morning. Isolated showers in the afternoon.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 4 feet. Scattered
showers.
.SATURDAY...East winds to 25 knots. Wind waves 5 to 6 feet.
Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 6 feet. Isolated
showers.

$$

PHZ121-220815-
Alenuihaha Channel-
928 AM HST Wed Aug 21 2019

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

.TODAY...Northeast winds to 25 knots. Wind waves 7 feet. South
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.TONIGHT...Northeast winds to 25 knots. Wind waves 6 feet. South
swell 4 feet. Isolated showers in the evening. Scattered showers
after midnight.
.THURSDAY...Northeast winds to 25 knots. Wind waves 6 feet. South
swell 3 feet. Isolated showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Swell
northwest 3 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. Swell northwest
3 feet. Isolated showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Swell
northwest 3 feet. Scattered showers in the evening, then isolated
showers after midnight.
.SATURDAY...East winds to 25 knots. Wind waves 6 to 7 feet.
Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 8 feet. Scattered
showers.

$$

PHZ122-220815-
Big Island Windward Waters-
928 AM HST Wed Aug 21 2019

.TODAY...East winds 15 knots. Wind waves 4 feet. South swell
4 feet. Scattered showers.
.TONIGHT...Northeast winds 20 knots. Wind waves 4 feet. South
swell 4 feet. Scattered showers in the evening, then isolated
showers after midnight.
.THURSDAY...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell south 3 feet and northwest 3 feet. Isolated showers through
the day.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Swell northwest 3 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. Swell northwest
3 feet. Scattered showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Swell
northwest 3 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 5 to 6 feet.
Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 5 to 6 feet. Scattered
showers.

$$

PHZ123-220815-
Big Island Leeward Waters-
928 AM HST Wed Aug 21 2019

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

.TODAY...West of the Big Island, winds variable less than
10 knots becoming west 10 knots in the afternoon. Near South
Point, east winds to 25 knots. Wind waves 8 feet. South swell
4 feet. Isolated showers.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 7 feet.
South swell 4 feet. Isolated showers.
.THURSDAY...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 7 feet. South swell
3 feet. Isolated showers in the morning.
.THURSDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...northeast 15 knots near South Point. Wind waves
6 feet. Isolated showers.
.FRIDAY...West of the Big Island, winds variable less than
10 knots becoming southwest 10 knots in the afternoon. Near South
Point, northeast winds 20 knots. Wind waves 4 feet. Scattered
showers.
.FRIDAY NIGHT...West of the Big Island, north winds 10 knots in
the evening becoming variable less than 10 knots. Near South
Point, east winds 20 knots. Wind waves 6 feet. Isolated showers
through the night.
.SATURDAY...West of the Big Island, winds variable less than
10 knots becoming northwest 10 knots in the afternoon, then
veering southeast in the evening backing north after midnight.
Near South Point, east winds to 25 knots. Wind waves 7 to 8 feet.
Isolated showers.
.SUNDAY...West of the Big Island, winds variable less than
10 knots becoming northwest 10 knots in the afternoon, then
becoming variable less than 10 knots. Near South Point, east
winds 20 knots. Wind waves 8 feet. Isolated showers.

$$

PHZ124-220815-
Big Island Southeast Waters-
928 AM HST Wed Aug 21 2019

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

.TODAY...East winds to 25 knots. Wind waves 8 feet. South swell
4 feet. Scattered showers.
.TONIGHT...Northeast winds to 25 knots. Wind waves 7 feet. South
swell 4 feet. Scattered showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 7 feet. South
swell 3 feet. Isolated showers through the day.
.THURSDAY NIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Scattered showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 4 feet. Scattered
showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Scattered
showers.
.SATURDAY...East winds to 25 knots. Wind waves 7 to 8 feet.
Scattered showers.
.SUNDAY...Northeast winds to 25 knots. Wind waves 8 feet.
Scattered showers.

$$

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



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