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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

157
FZHW50 PHFO 230739
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
939 PM HST Thu Aug 22 2019

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

PHZ100-232030-
939 PM HST Thu Aug 22 2019

.Synopsis for Hawaiian coastal waters...
High pressure north of the state will maintain moderate to
locally strong trade winds through at least Friday, then possibly
decrease Friday night as a trough nears the state. High pressure
will restrengthen northeast of the area over the weekend.


$$

PHZ110-232030-
Kauai Northwest Waters-
939 PM HST Thu Aug 22 2019

.REST OF TONIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Swell northwest 3 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 3 feet. Swell northwest
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Swell
northwest 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Isolated
showers in the evening, then scattered showers after midnight.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers.

$$

PHZ111-232030-
Kauai Windward Waters-
939 PM HST Thu Aug 22 2019

.REST OF TONIGHT...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 in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Swell
northwest 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Isolated
showers in the evening, then scattered showers after midnight.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers.
.TUESDAY...East winds 10 knots. Wind waves 4 feet. Southwest
swell 3 feet. Scattered showers.

$$

PHZ112-232030-
Kauai Leeward Waters-
939 PM HST Thu Aug 22 2019

.REST OF TONIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Swell northwest 3 feet. Isolated showers through the night.
.FRIDAY...East winds 15 knots. Wind waves 4 feet. Swell northwest
3 feet. Isolated showers in the morning.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Swell
northwest 3 feet. Isolated showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers in the morning.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Scattered showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 5 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Isolated
showers.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY...East winds 15 knots. Wind waves 4 feet. Southwest
swell 3 feet. Isolated showers.

$$

PHZ113-232030-
Kauai Channel-
939 PM HST Thu Aug 22 2019

.REST OF TONIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Swell northwest 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...East winds 15 knots. Wind waves 4 feet. Swell northwest
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Swell
northwest 3 feet. Isolated showers through the night.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. Isolated
showers through the day.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Isolated showers through the night.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Isolated
showers.
.MONDAY...Northeast winds 15 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY...East winds 10 knots. Wind waves 4 to 5 feet. Southwest
swell 3 feet. Isolated showers.

$$

PHZ114-232030-
Oahu Windward Waters-
939 PM HST Thu Aug 22 2019

.REST OF TONIGHT...East winds 15 knots. Wind waves 4 feet. Swell
northwest 3 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 4 feet. Swell northwest
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Swell
northwest 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Isolated
showers in the evening, then scattered showers after midnight.
.MONDAY...East winds 15 knots. Wind waves 5 to 6 feet. Scattered
showers.
.TUESDAY...East winds 10 knots. Wind waves 4 to 5 feet. Southwest
swell 3 feet. Scattered showers.

$$

PHZ115-232030-
Oahu Leeward Waters-
939 PM HST Thu Aug 22 2019

.REST OF TONIGHT...Northeast winds 20 knots. Wind waves 5 feet.
.FRIDAY...East winds 15 knots. Wind waves 4 feet.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
.SATURDAY...East winds 15 knots. Wind waves 4 feet.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Isolated showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers through the day.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Isolated showers in the evening.
.MONDAY...Northeast winds 15 knots. Wind waves 5 feet.
.TUESDAY...East winds 10 knots. Wind waves 3 to 4 feet. Southwest
swell 3 feet.

$$

PHZ116-232030-
Kaiwi Channel-
939 PM HST Thu Aug 22 2019

.REST OF TONIGHT...Northeast winds 20 knots. Wind waves 5 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 5 feet. Swell
northwest 3 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers through the day.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. Isolated
showers through the day.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Isolated showers.
.MONDAY...Northeast winds 15 knots. Wind waves 5 to 6 feet.
Isolated showers.
.TUESDAY...East winds 10 knots. Wind waves 4 to 5 feet. Southwest
swell 3 feet. Isolated showers.

$$

PHZ117-232030-
Maui County Windward Waters-
939 PM HST Thu Aug 22 2019

.REST OF TONIGHT...East winds 20 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 in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Swell
northwest 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Swell
northwest 3 feet. Scattered showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Isolated
showers in the evening, then scattered showers after midnight.
.MONDAY...East winds 15 knots. Wind waves 5 to 6 feet. Scattered
showers.
.TUESDAY...East winds 10 knots. Wind waves 4 to 5 feet. Scattered
showers.

$$

PHZ118-232030-
Maui County Leeward Waters-
939 PM HST Thu Aug 22 2019

.REST OF TONIGHT...Northeast winds 20 knots. Wind waves 5 feet.
Isolated showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. Isolated
showers in the morning.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Isolated
showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 6 feet.
Isolated showers after midnight.
.MONDAY...Northeast winds 15 knots. Wind waves 5 feet.
.TUESDAY...East winds 10 knots. Wind waves 3 to 4 feet. Southwest
swell 3 feet.

$$

PHZ119-232030-
Maalaea Bay-
939 PM HST Thu Aug 22 2019

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

.REST OF TONIGHT...North winds to 25 knots. Wind waves 3 feet.
.FRIDAY...North winds to 25 knots. Wind waves 3 feet in the
morning then 2 feet or less.
.FRIDAY NIGHT...North winds 20 knots. Wind waves 2 feet or less.
.SATURDAY...North winds to 25 knots. Wind waves 2 feet or less
then 3 feet in the afternoon.
.SATURDAY NIGHT...North winds to 25 knots. Wind waves 3 feet.
.SUNDAY...North winds to 25 knots. Wind waves 3 feet.
.SUNDAY NIGHT...North winds to 25 knots. Wind waves 3 feet.
.MONDAY...North winds 20 knots. Wind waves 3 feet.
.TUESDAY...North winds 15 knots. Wind waves 3 feet.

$$

PHZ120-232030-
Pailolo Channel-
939 PM HST Thu Aug 22 2019

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

.REST OF TONIGHT...East winds to 25 knots. Wind waves 4 feet.
Isolated showers.
.FRIDAY...East winds to 25 knots. Wind waves 5 feet. Isolated
showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.SATURDAY...East winds to 25 knots. Wind waves 6 feet. Isolated
showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Isolated showers in the evening. Scattered showers after
midnight.
.SUNDAY...East winds to 25 knots. Wind waves 6 feet. Scattered
showers in the morning. Isolated showers in the afternoon.
.SUNDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Isolated showers.
.MONDAY...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY...East winds 15 knots. Wind waves 4 feet. Southwest
swell 3 feet. Isolated showers.

$$

PHZ121-232030-
Alenuihaha Channel-
939 PM HST Thu Aug 22 2019

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

.REST OF TONIGHT...East winds to 25 knots. Wind waves 7 feet.
Swell northwest 3 feet. Isolated showers.
.FRIDAY...East winds to 25 knots. Wind waves 6 feet. Swell
northwest 3 feet. Isolated showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 7 feet. Swell
northwest 3 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 7 feet. Isolated
showers through the day.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Isolated showers through the night.
.SUNDAY...East winds to 25 knots. Wind waves 8 feet. Isolated
showers.
.SUNDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Isolated showers.
.MONDAY...East winds 20 knots. Wind waves 6 to 7 feet. Isolated
showers.
.TUESDAY...East winds 15 knots. Wind waves 4 to 6 feet. Southwest
swell 3 feet. Isolated showers.

$$

PHZ122-232030-
Big Island Windward Waters-
939 PM HST Thu Aug 22 2019

.REST OF TONIGHT...East winds 20 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 in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Swell
northwest 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. Swell
northwest 3 feet. Scattered showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.SUNDAY NIGHT...Northeast winds 15 knots. Wind waves 6 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.MONDAY...Northeast winds 15 knots. Wind waves 4 to 5 feet.
Scattered showers.
.TUESDAY...East winds 10 knots. Wind waves 4 feet. Scattered
showers.

$$

PHZ123-232030-
Big Island Leeward Waters-
939 PM HST Thu Aug 22 2019

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

.REST OF TONIGHT...West winds 10 knots west of the Big Island...
east to 25 knots near South Point. Wind waves 7 feet. Isolated
showers.
.FRIDAY...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 7 feet. Isolated
showers in the morning.
.FRIDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet.
Isolated showers after midnight.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 6 feet.
Isolated showers through the day.
.SATURDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 7 feet.
Isolated showers through the night.
.SUNDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet.
Isolated showers in the morning.
.SUNDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 8 feet.
Isolated showers after midnight.
.MONDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east winds 20 knots becoming
northeast 10 knots after midnight. Wind waves 5 to 7 feet.
Isolated showers.
.TUESDAY...West of the Big Island, northwest winds 10 knots
becoming variable less than 10 knots. Near South Point, northeast
winds 10 knots in the morning becoming variable less than
10 knots, then becoming east 15 knots. Wind waves 4 feet.
Southwest swell 3 feet. Isolated showers.

$$

PHZ124-232030-
Big Island Southeast Waters-
939 PM HST Thu Aug 22 2019

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

.REST OF TONIGHT...Northeast winds to 25 knots. Wind waves
7 feet. Isolated showers through the night.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Isolated
showers through the day.
.FRIDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Isolated showers through the night.
.SATURDAY...Northeast winds 20 knots. Wind waves 6 feet. Isolated
showers in the morning, then scattered showers in the afternoon.
.SATURDAY NIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Scattered showers.
.SUNDAY...Northeast winds to 25 knots. Wind waves 7 feet.
Scattered showers in the morning, then isolated showers in the
afternoon.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Isolated showers through the night.
.MONDAY...Northeast winds 20 knots. Wind waves 6 to 7 feet.
Isolated showers.
.TUESDAY...Northeast winds 10 knots. Wind waves 3 to 5 feet.
Isolated showers.

$$

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



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