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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

228
FZHW50 PHFO 210123
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
323 PM HST Fri Apr 20 2018

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

PHZ100-211430-
323 PM HST Fri Apr 20 2018

.Synopsis for Hawaiian coastal waters...
A high far north of the islands will move east through early next
week. A new high will build NW of the area early next week.

$$

PHZ110-211430-
Kauai Northwest Waters-
323 PM HST Fri Apr 20 2018

.TONIGHT...East winds 20 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Scattered showers, mainly this evening.
.SATURDAY...East winds 20 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Isolated showers in the morning, then
scattered showers in the afternoon.
.SATURDAY NIGHT...East winds 20 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Scattered showers, mainly in the evening.
.SUNDAY...East winds 20 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Isolated showers.
.SUNDAY NIGHT...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 6 feet. Isolated showers in the evening, then
scattered showers after midnight.
.MONDAY...East winds 20 knots. Wind waves around 8 feet.
Northwest swell 6 feet. Scattered showers.
.MONDAY NIGHT...East winds to 25 knots. Wind waves around 9 feet.
Northwest swell 5 feet. Scattered showers.
.TUESDAY...East winds to 25 knots. Wind waves around 9 feet.
Northwest swell 3 to 5 feet. Scattered showers.
.WEDNESDAY...East winds 20 knots. Wind waves around 8 feet.
Northwest swell 3 to 4 feet. Scattered showers.

$$

PHZ111-211430-
Kauai Windward Waters-
323 PM HST Fri Apr 20 2018

.TONIGHT...East winds 15 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Scattered showers, mainly this evening.
.SATURDAY...East winds 15 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Isolated showers in the morning, then
scattered showers in the afternoon.
.SATURDAY NIGHT...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Scattered showers, mainly in the morning.
.SUNDAY NIGHT...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 6 feet. Isolated showers in the evening, then
scattered showers after midnight.
.MONDAY...Northeast winds 20 knots. Wind waves around 8 feet.
Northwest swell 6 feet. Scattered showers.
.MONDAY NIGHT...East winds to 25 knots. Wind waves around 9 feet.
Northwest swell 5 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves around 9 feet.
Northwest swell 3 to 5 feet. Scattered showers.
.WEDNESDAY...East winds 20 knots. Wind waves around 8 feet.
Northwest swell 3 to 4 feet. Scattered showers.

$$

PHZ112-211430-
Kauai Leeward Waters-
323 PM HST Fri Apr 20 2018

.TONIGHT...East winds 20 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY...Northeast winds 20 knots...northeast 10 knots in the
Kaulakahi Channel. Wind waves around 6 feet. Northwest swell
4 feet. Isolated showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Isolated showers.
.SUNDAY NIGHT...East winds to 25 knots...east 15 knots in the
Kaulakahi Channel. Wind waves around 8 feet. Northwest swell
6 feet. Isolated showers.
.MONDAY...East winds to 25 knots. Wind waves around 9 feet.
Northwest swell 6 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves around
9 feet. Northwest swell 5 feet. Isolated showers in the evening,
then scattered showers after midnight.
.TUESDAY...East winds to 25 knots. Wind waves around 9 feet.
Northwest swell 3 to 4 feet. Isolated showers.
.WEDNESDAY...East winds 20 knots. Wind waves around 8 feet.
Northwest swell 3 to 4 feet. Isolated showers.

$$

PHZ113-211430-
Kauai Channel-
323 PM HST Fri Apr 20 2018

.TONIGHT...Northeast winds 20 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY...Northeast winds 20 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Isolated showers.
.SUNDAY...Northeast winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves around
8 feet. Northwest swell 6 feet. Isolated showers.
.MONDAY...Northeast winds to 25 knots. Wind waves around 9 feet.
Northwest swell 6 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves around
9 feet. Northwest swell 5 feet. Isolated showers.
.TUESDAY...East winds 20 knots. Wind waves around 9 feet.
Northwest swell 3 to 5 feet. Isolated showers.
.WEDNESDAY...East winds 20 knots. Wind waves around 8 feet.
Northwest swell 3 to 4 feet. Isolated showers.

$$

PHZ114-211430-
Oahu Windward Waters-
323 PM HST Fri Apr 20 2018

.TONIGHT...East winds 20 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Scattered showers, mainly in the morning.
.SUNDAY NIGHT...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 6 feet. Isolated showers in the evening, then
scattered showers after midnight.
.MONDAY...East winds 20 knots. Wind waves around 8 feet.
Northwest swell 6 feet. Scattered showers.
.MONDAY NIGHT...East winds to 25 knots. Wind waves around 9 feet.
Northwest swell 5 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves around 9 feet.
Northwest swell 4 to 5 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves around 9 feet.
Northwest swell 4 feet. Scattered showers.

$$

PHZ115-211430-
Oahu Leeward Waters-
323 PM HST Fri Apr 20 2018

.TONIGHT...Northeast winds 20 knots. Wind waves around 5 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY...Northeast winds 20 knots. Wind waves around 5 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY NIGHT...Northeast winds 20 knots. Wind waves around
6 feet. Northwest swell 4 feet. Isolated showers.
.SUNDAY...Northeast winds 20 knots. Wind waves around 7 feet.
Northwest swell 3 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds to 25 knots. Wind waves around
8 feet. Northwest swell 5 feet. Isolated showers.
.MONDAY...Northeast winds 20 knots. Wind waves around 8 feet.
Northwest swell 5 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds 20 knots. Wind waves around
8 feet. Northwest swell 4 feet. Isolated showers.
.TUESDAY...Northeast winds 20 knots. Wind waves 7 to 8 feet.
Northwest swell 3 to 4 feet. Isolated showers.
.WEDNESDAY...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 3 to 4 feet. Isolated showers.

$$

PHZ116-211430-
Kaiwi Channel-
323 PM HST Fri Apr 20 2018

.TONIGHT...Northeast winds 20 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Isolated showers.
.SUNDAY...Northeast winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds to 25 knots. Wind waves around
8 feet. Northwest swell 5 feet. Isolated showers.
.MONDAY...Northeast winds 20 knots. Wind waves around 8 feet.
Northwest swell 6 feet. Isolated showers in the morning, then
scattered showers in the afternoon.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves around
9 feet. Northwest swell 5 feet. Scattered showers.
.TUESDAY...East winds to 25 knots. Wind waves around 9 feet.
Northwest swell 4 to 5 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 9 to 10 feet.
North swell 3 to 4 feet. Scattered showers.

$$

PHZ117-211430-
Maui County Windward Waters-
323 PM HST Fri Apr 20 2018

.TONIGHT...East winds 20 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Scattered showers, mainly in the morning.
.SUNDAY NIGHT...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 5 feet. Isolated showers in the evening, then
scattered showers after midnight.
.MONDAY...East winds 20 knots. Wind waves around 8 feet.
Northwest swell 6 feet. Scattered showers.
.MONDAY NIGHT...East winds to 25 knots. Wind waves around 9 feet.
Northwest swell 5 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 8 to 9 feet. Northwest
swell 4 to 5 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 8 to 10 feet.
Northwest swell 4 feet. Scattered showers.

$$

PHZ118-211430-
Maui County Leeward Waters-
323 PM HST Fri Apr 20 2018

.TONIGHT...Northeast winds 15 knots. Wind waves around 5 feet.
Northwest swell 3 feet. Isolated showers.
.SATURDAY...Northeast winds 15 knots. Wind waves around 6 feet.
Northwest swell 3 feet. Isolated showers.
.SATURDAY NIGHT...Northeast winds 15 knots. Wind waves around
6 feet. Northwest swell 3 feet. Isolated showers.
.SUNDAY...Northeast winds 20 knots. Wind waves around 6 feet.
Northwest swell 3 feet. Isolated showers in the morning.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves around
6 feet. Northwest swell 4 feet. Isolated showers after midnight.
.MONDAY...Northeast winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves around
7 feet. Northwest swell 4 feet. Isolated showers.
.TUESDAY...Northeast winds 15 knots. Wind waves around 7 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 6 to 7 feet.
North swell 3 feet. Isolated showers.

$$

PHZ119-211430-
Maalaea Bay-
323 PM HST Fri Apr 20 2018

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

.TONIGHT...North winds to 25 knots. Wind waves around 3 feet this
evening, then around 2 feet or less. Isolated showers after
midnight.
.SATURDAY...North winds to 25 knots. Wind waves around 3 feet.
Isolated showers.
.SATURDAY NIGHT...North winds to 25 knots. Wind waves around
3 feet. Isolated showers in the evening.
.SUNDAY...North winds to 25 knots. Wind waves around 3 feet.
.SUNDAY NIGHT...North winds to 25 knots. Wind waves around
3 feet.
.MONDAY...North winds to 25 knots. Wind waves around 3 feet.
.MONDAY NIGHT...North winds to 25 knots. Wind waves around
3 feet.
.TUESDAY...North winds to 25 knots. Wind waves around 3 feet.
.WEDNESDAY...North winds to 25 knots. Wind waves 4 to 6 feet.

$$

PHZ120-211430-
Pailolo Channel-
323 PM HST Fri Apr 20 2018

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

.TONIGHT...Northeast winds to 25 knots. Wind waves around 5 feet.
Northwest swell 3 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves around 6 feet.
Northwest swell 3 feet. Isolated showers in the morning, then
scattered showers in the afternoon.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves around
7 feet. Northwest swell 3 feet. Scattered showers, mainly in the
evening.
.SUNDAY...East winds to 25 knots. Wind waves around 6 feet.
Northwest swell 3 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds to 25 knots. Wind waves around
7 feet. Northwest swell 4 feet. Isolated showers.
.MONDAY...Northeast winds to 25 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves around
8 feet. Northwest swell 4 feet. Isolated showers.
.TUESDAY...Northeast winds to 25 knots. Wind waves 7 to 8 feet.
Northwest swell 3 to 4 feet. Isolated showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 8 to 10 feet.
Northwest swell 3 feet. Isolated showers.

$$

PHZ121-211430-
Alenuihaha Channel-
323 PM HST Fri Apr 20 2018

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

.TONIGHT...East winds to 25 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Hazy. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves around 8 feet.
Northwest swell 4 feet. Hazy. Isolated showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves around
8 feet. Northwest swell 4 feet. Hazy. Isolated showers.
.SUNDAY...Northeast winds to 25 knots. Wind waves around 8 feet.
Northwest swell 4 feet. Hazy. Isolated showers.
.SUNDAY NIGHT...Northeast winds to 30 knots. Wind waves around
9 feet. Northwest swell 5 feet. Hazy. Isolated showers.
.MONDAY...Northeast winds to 25 knots. Wind waves around 9 feet.
Northwest swell 6 feet. Hazy. Isolated showers.
.MONDAY NIGHT...East winds to 30 knots. Wind waves around 9 feet.
Northwest swell 5 feet. Hazy. Isolated showers.
.TUESDAY...East winds to 25 knots. Wind waves around 9 feet.
Northwest swell 4 to 5 feet. Hazy. Isolated showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 10 to 12 feet.
North swell 3 to 4 feet. Hazy. Isolated showers.

$$

PHZ122-211430-
Big Island Windward Waters-
323 PM HST Fri Apr 20 2018

.TONIGHT...East winds 15 knots. Wind waves around 5 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 4 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves around 6 feet.
Northwest swell 4 feet. Scattered showers.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves around
7 feet. Northwest swell 5 feet. Scattered showers.
.MONDAY...Northeast winds 20 knots. Wind waves around 7 feet.
Northwest swell 6 feet. Scattered showers.
.MONDAY NIGHT...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 5 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 7 to 8 feet. Northwest
swell 4 to 5 feet. Scattered showers.
.WEDNESDAY...East winds 20 knots. Wind waves 7 to 8 feet.
Northwest swell 4 feet. Scattered showers.

$$

PHZ123-211430-
Big Island Leeward Waters-
323 PM HST Fri Apr 20 2018

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

.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves around
8 feet. Northwest swell 3 feet. Hazy. Isolated showers.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves around
8 feet. Northwest swell 3 feet. Hazy. Isolated showers.
.SATURDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves around
8 feet. Northwest swell 3 feet. Hazy. Isolated showers.
.SUNDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves around
9 feet. Northwest swell 3 feet. Hazy. Isolated showers.
.SUNDAY NIGHT...West of the Big Island, winds variable less than
10 knots, becoming northeast 10 knots after midnight. Near South
Point, east winds to 25 knots. Wind waves around 9 feet.
Northwest swell 3 feet. Hazy. Isolated showers.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves around
9 feet. Northwest swell 4 feet. Hazy. Isolated showers.
.MONDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves around
9 feet. Northwest swell 4 feet. Hazy. Isolated showers.
.TUESDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves around
9 feet. Northwest swell 3 to 4 feet. Hazy. Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 9 to
11 feet. Northwest swell 3 feet. Hazy. Isolated showers.

$$

PHZ124-211430-
Big Island Southeast Waters-
323 PM HST Fri Apr 20 2018

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

.TONIGHT...Northeast winds to 25 knots. Wind waves around 8 feet.
Northwest swell 3 feet. Scattered showers.
.SATURDAY...Northeast winds to 25 knots. Wind waves around
8 feet. Northwest swell 3 feet. Scattered showers.
.SATURDAY NIGHT...Northeast winds to 25 knots. Wind waves around
8 feet. Northwest swell 3 feet. Scattered showers.
.SUNDAY...Northeast winds to 25 knots. Wind waves around 9 feet.
Northwest swell 3 feet. Scattered showers.
.SUNDAY NIGHT...Northeast winds to 25 knots. Wind waves around
9 feet. Northwest swell 3 feet. Scattered showers.
.MONDAY...Northeast winds to 25 knots. Wind waves around 9 feet.
Northwest swell 4 feet. Scattered showers.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves around
9 feet. Northwest swell 4 feet. Scattered showers.
.TUESDAY...Northeast winds to 25 knots. Wind waves around 9 feet.
Northwest swell 3 to 4 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 9 to 10 feet.
North swell 3 feet. Scattered showers.

$$

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



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