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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

262
FZHW50 PHFO 181325
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
325 AM HST Thu Jul 18 2019

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

PHZ100-190230-
325 AM HST Thu Jul 18 2019

.Synopsis for Hawaiian coastal waters...
High pressure north of the state will keep breezy to strong
trades in place through Friday. The trades will then ease over
the weekend as the high weakens.

$$

PHZ110-190230-
Kauai Northwest Waters-
325 AM HST Thu Jul 18 2019

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

.TODAY...East winds to 25 knots. Wind waves 8 feet. Swell
southeast 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.TONIGHT...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 feet. Scattered showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 8 feet. Swell
southeast 3 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. Scattered
showers in the morning. Isolated showers in the afternoon.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 6 feet.
Scattered showers through the night.
.SUNDAY...East winds 20 knots. Wind waves 5 to 6 feet. Scattered
showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers.

$$

PHZ111-190230-
Kauai Windward Waters-
325 AM HST Thu Jul 18 2019

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

.TODAY...East winds to 25 knots. Wind waves 9 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.TONIGHT...East winds to 25 knots. Wind waves 9 feet. Scattered
showers.
.FRIDAY...East winds to 25 knots. Wind waves 9 feet. Scattered
showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 9 feet. Scattered
showers.
.SATURDAY...East winds 15 knots. Wind waves 7 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 6 feet.
Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Showers likely.
.MONDAY...East winds 15 knots. Wind waves 4 to 5 feet. Scattered
showers.

$$

PHZ112-190230-
Kauai Leeward Waters-
325 AM HST Thu Jul 18 2019

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

.TODAY...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 4 feet. Scattered showers in the morning.
.TONIGHT...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 4 feet. Scattered showers through the night.
.FRIDAY...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 feet. Scattered showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 9 feet. Swell
southeast 3 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. Swell
southeast 3 feet. Scattered showers in the morning. Isolated
showers in the afternoon.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Swell
southeast 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SUNDAY...East winds 15 knots. Wind waves 5 to 6 feet. Swell
southeast 3 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Swell southeast
3 feet. Scattered showers.

$$

PHZ113-190230-
Kauai Channel-
325 AM HST Thu Jul 18 2019

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

.TODAY...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 to 4 feet. Isolated showers.
.TONIGHT...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 feet. Scattered showers through the night.
.FRIDAY...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 feet. Scattered showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 9 feet. Swell
southeast 3 feet. Scattered showers.
.SATURDAY...Northeast winds 20 knots. Wind waves 7 feet. Swell
southeast 3 feet. Scattered showers in the morning.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Swell
southeast 3 feet. Scattered showers through the night.
.SUNDAY...East winds 20 knots. Wind waves 5 feet. Swell southeast
3 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 4 to 5 feet. Swell
southeast 3 feet. Scattered showers.

$$

PHZ114-190230-
Oahu Windward Waters-
325 AM HST Thu Jul 18 2019

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

.TODAY...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 10 feet. Swell
southeast 3 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 10 feet. Scattered
showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 9 feet. Scattered
showers.
.SATURDAY...East winds 15 knots. Wind waves 7 feet. Scattered
showers.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 6 feet.
Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers.

$$

PHZ115-190230-
Oahu Leeward Waters-
325 AM HST Thu Jul 18 2019

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

.TODAY...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 feet.
.TONIGHT...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 feet. Isolated showers through the night.
.FRIDAY...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 feet. Isolated showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 8 feet. Swell
southeast 3 feet. Isolated showers.
.SATURDAY...Northeast winds 20 knots. Wind waves 6 feet. Isolated
showers in the morning.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Isolated showers through the night.
.SUNDAY...Northeast winds 15 knots. Wind waves 4 to 5 feet.
Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Swell southeast
3 feet. Isolated showers.

$$

PHZ116-190230-
Kaiwi Channel-
325 AM HST Thu Jul 18 2019

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

.TODAY...East winds to 25 knots. Wind waves 9 feet. Scattered
showers.
.TONIGHT...East winds to 25 knots. Wind waves 10 feet. Scattered
showers through the night.
.FRIDAY...East winds to 25 knots. Wind waves 10 feet. Scattered
showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 9 feet. Scattered
showers in the evening, then isolated showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. Isolated
showers.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 6 feet.
Scattered showers through the night.
.SUNDAY...Northeast winds 15 knots. Wind waves 5 feet. Scattered
showers.
.MONDAY...East winds 15 knots. Wind waves 4 to 5 feet. Isolated
showers.

$$

PHZ117-190230-
Maui County Windward Waters-
325 AM HST Thu Jul 18 2019

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

.TODAY...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 10 feet. Swell
southeast 3 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 10 feet. Swell
southeast 3 feet. Scattered showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 8 feet. Swell
southeast 3 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Scattered
showers.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 6 feet.
Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers.

$$

PHZ118-190230-
Maui County Leeward Waters-
325 AM HST Thu Jul 18 2019

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

.TODAY...East winds to 25 knots. Wind waves 10 feet. Swell
southeast 3 feet. Isolated showers in the afternoon.
.TONIGHT...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 feet. Isolated showers through the night.
.FRIDAY...East winds to 25 knots. Wind waves 10 feet. Isolated
showers through the day.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 8 feet.
Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 5 feet.
.SATURDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Isolated showers.
.SUNDAY...Northeast winds 10 knots. Wind waves 4 feet. Isolated
showers.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers.

$$

PHZ119-190230-
Maalaea Bay-
325 AM HST Thu Jul 18 2019

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

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

$$

PHZ120-190230-
Pailolo Channel-
325 AM HST Thu Jul 18 2019

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

.TODAY...East winds to 30 knots. Wind waves 8 feet. Scattered
showers.
.TONIGHT...East winds to 30 knots. Wind waves 9 feet. Isolated
showers through the night.
.FRIDAY...East winds to 30 knots. Wind waves 9 feet. Isolated
showers through the day.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Isolated showers through the night.
.SUNDAY...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.MONDAY...East winds 20 knots. Wind waves 4 to 5 feet. Scattered
showers.

$$

PHZ121-190230-
Alenuihaha Channel-
325 AM HST Thu Jul 18 2019

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

.TODAY...East winds to 30 knots. Wind waves 11 feet. Swell
southeast 3 feet. Isolated showers.
.TONIGHT...East winds to 30 knots. Wind waves 11 feet. Swell
southeast 3 feet. Isolated showers through the night.
.FRIDAY...East winds to 30 knots. Wind waves 11 feet. Swell
southeast 3 feet. Isolated showers through the day.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 9 feet.
Isolated showers in the evening. Scattered showers after
midnight.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. Isolated
showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Isolated showers.
.SUNDAY...Northeast winds 20 knots. Wind waves 6 feet. Isolated
showers.
.MONDAY...East winds 20 knots. Wind waves 5 feet. Scattered
showers.

$$

PHZ122-190230-
Big Island Windward Waters-
325 AM HST Thu Jul 18 2019

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

.TODAY...East winds to 25 knots. Wind waves 8 feet. Swell
southeast 3 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 8 feet. Swell
southeast 3 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 feet. Scattered showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 7 feet. Swell
southeast 3 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Scattered
showers in the morning. Isolated showers in the afternoon.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Scattered showers through the night.
.SUNDAY...East winds 15 knots. Wind waves 4 to 5 feet. Scattered
showers.
.MONDAY...East winds 15 knots. Wind waves 4 to 5 feet. Swell
southeast 3 feet. Scattered showers.

$$

PHZ123-190230-
Big Island Leeward Waters-
325 AM HST Thu Jul 18 2019

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

.TODAY...West winds 10 knots west of the Big Island...east to
30 knots near South Point. Wind waves 10 feet. Swell southeast
3 feet. Isolated showers through the day.
.TONIGHT...West of the Big Island, winds variable less than
10 knots becoming east 10 knots after midnight. Near South Point,
east winds to 30 knots. Wind waves 10 feet. Swell southeast
3 feet. Isolated showers.
.FRIDAY...West of the Big Island, southeast winds 10 knots in the
morning becoming variable less than 10 knots. Near South Point,
east winds to 25 knots. Wind waves 11 feet. Swell southeast
3 feet. Isolated showers through the day.
.FRIDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 9 feet.
Swell southeast 3 feet. Isolated showers.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 8 feet. Swell
southeast 3 feet. Isolated showers.
.SATURDAY NIGHT...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. Isolated showers.
.SUNDAY...West of the Big Island, winds variable less than
10 knots becoming northwest 10 knots in the evening, then
becoming variable less than 10 knots after midnight. Near South
Point, east winds 20 knots. Wind waves 7 feet. Swell southeast
3 feet. Isolated showers.
.MONDAY...West of the Big Island, west winds 10 knots veering
northwest in the afternoon, then becoming variable less than
10 knots. Near South Point, east winds 20 knots. Wind waves 5 to
6 feet. Swell southeast 3 feet. Scattered showers.

$$

PHZ124-190230-
Big Island Southeast Waters-
325 AM HST Thu Jul 18 2019

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

.TODAY...Northeast winds to 30 knots. Wind waves 10 feet. Swell
southeast 3 feet. Showers likely in the morning, then isolated
showers in the afternoon.
.TONIGHT...Northeast winds to 30 knots. Wind waves 10 feet. Swell
southeast 3 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 10 feet. Swell
southeast 3 feet. Scattered showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 9 feet. Swell
southeast 3 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 8 feet. Swell
southeast 3 feet. Scattered showers in the morning. Isolated
showers in the afternoon.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Swell
southeast 3 feet. Scattered showers through the night.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Swell southeast
3 feet. Scattered showers.
.MONDAY...East winds 20 knots. Wind waves 5 to 6 feet. Swell
southeast 3 feet. Scattered showers.

$$

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



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