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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

090
FZHW50 PHFO 181334
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
334 AM HST Tue Feb 18 2020

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

PHZ100-190215-
334 AM HST Tue Feb 18 2020

.Synopsis for Hawaiian coastal waters...
Strengthening high pressure far northwest of the islands will
be moving east, passing north of the islands tonight through
Wednesday night. The trade winds will be subsiding Thursday
through Friday as the high moves further away from the islands.
An approaching front will cause the trades to turn southeast over
the western end of the island chain on Saturday.

$$

PHZ110-190215-
Kauai Northwest Waters-
334 AM HST Tue Feb 18 2020

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

.TODAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 3 feet. Isolated showers through the day.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 5 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 10 feet. Northwest
swell 5 feet. Scattered showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 9 feet.
Northwest swell 4 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 6 to 8 feet. Northwest
swell 4 to 6 feet. Scattered showers.
.SATURDAY...Southeast winds 15 knots. Wind waves 6 feet.
Northwest swell 5 to 6 feet. Isolated showers.

$$

PHZ111-190215-
Kauai Windward Waters-
334 AM HST Tue Feb 18 2020

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

.TODAY...East winds 20 knots. Wind waves 8 feet. Northwest swell
3 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 11 feet.
Northwest swell 5 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 11 feet. Northwest
swell 5 feet. Scattered showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 9 feet.
Northwest swell 4 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 6 to 8 feet. Northwest
swell 4 to 6 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 5 to 6 feet. Scattered showers.

$$

PHZ112-190215-
Kauai Leeward Waters-
334 AM HST Tue Feb 18 2020

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

.TODAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet. Isolated showers through the day.
.TONIGHT...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.WEDNESDAY...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 3 feet. Isolated showers in the afternoon.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 11 feet.
Northwest swell 5 feet. Isolated showers in the evening, then
scattered showers after midnight.
.THURSDAY...East winds 20 knots. Wind waves 11 feet. Northwest
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 9 feet.
Northwest swell 4 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 6 to 8 feet. Northwest
swell 4 to 6 feet. Isolated showers.
.SATURDAY...East winds 10 knots. Wind waves 5 feet. Northwest
swell 5 to 6 feet. Isolated showers.

$$

PHZ113-190215-
Kauai Channel-
334 AM HST Tue Feb 18 2020

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

.TODAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 3 feet. Isolated showers through the day.
.TONIGHT...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 3 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 3 feet. Isolated showers through the day.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 11 feet.
Northwest swell 4 feet. Isolated showers in the evening, then
scattered showers after midnight.
.THURSDAY...East winds 20 knots. Wind waves 11 feet. Northwest
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 9 feet.
Northwest swell 4 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 6 to 8 feet. Northwest
swell 3 to 5 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 5 to 6 feet. Isolated showers.

$$

PHZ114-190215-
Oahu Windward Waters-
334 AM HST Tue Feb 18 2020

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

.TODAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 3 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 12 feet.
Northwest swell 5 feet. Scattered showers.
.THURSDAY...East winds to 25 knots. Wind waves 12 feet. Northwest
swell 5 feet. Scattered showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 10 feet.
Northwest swell 4 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 7 to 8 feet. Northwest
swell 4 to 6 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 7 feet. Northwest
swell 6 feet. Scattered showers.

$$

PHZ115-190215-
Oahu Leeward Waters-
334 AM HST Tue Feb 18 2020

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

.TODAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 3 feet. Isolated showers in the afternoon.
.TONIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 3 feet in the evening. Isolated showers in the
evening, then scattered showers after midnight.
.WEDNESDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 3 feet in the afternoon.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 4 feet. Isolated showers.
.THURSDAY...East winds 20 knots. Wind waves 10 feet. Northwest
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 8 feet.
Northwest swell 4 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 5 to 7 feet. Northwest
swell 3 to 5 feet. Isolated showers.
.SATURDAY...East winds 10 knots. Wind waves 4 to 5 feet.
Northwest swell 4 to 5 feet. Isolated showers.

$$

PHZ116-190215-
Kaiwi Channel-
334 AM HST Tue Feb 18 2020

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

.TODAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 3 feet. Scattered showers in the morning, then
isolated showers in the afternoon.
.TONIGHT...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.WEDNESDAY...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds to 30 knots. Wind waves 12 feet.
Northwest swell 4 feet. Isolated showers in the evening, then
scattered showers after midnight.
.THURSDAY...East winds to 25 knots. Wind waves 12 feet. Northwest
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 4 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 7 to 8 feet. Northwest
swell 3 to 5 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 7 feet. Northwest
swell 5 to 6 feet. Isolated showers.

$$

PHZ117-190215-
Maui County Windward Waters-
334 AM HST Tue Feb 18 2020

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

.TODAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 3 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 12 feet.
Northwest swell 4 feet. Scattered showers.
.THURSDAY...East winds to 25 knots. Wind waves 12 feet. Northwest
swell 4 feet. Scattered showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 10 feet.
Northwest swell 4 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 7 to 8 feet. Northwest
swell 3 to 5 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 5 to 6 feet. Scattered showers.

$$

PHZ118-190215-
Maui County Leeward Waters-
334 AM HST Tue Feb 18 2020

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

.TODAY...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 3 feet in the morning. Isolated showers in the
afternoon.
.TONIGHT...Northeast winds 20 knots. Wind waves 7 feet. Isolated
showers in the evening, then scattered showers after midnight.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves 8 feet.
.WEDNESDAY NIGHT...Northeast winds to 25 knots. Wind waves
10 feet. Northwest swell 3 feet. Isolated showers.
.THURSDAY...East winds 20 knots. Wind waves 10 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 8 feet.
Northwest swell 3 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
3 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 3 to 4 feet. Isolated showers.

$$

PHZ119-190215-
Maalaea Bay-
334 AM HST Tue Feb 18 2020

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

.TODAY...North winds to 25 knots. Wind waves 3 feet.
.TONIGHT...North winds to 25 knots. Wind waves 3 feet. Isolated
showers.
.WEDNESDAY...North winds to 30 knots. Wind waves 4 feet.
.WEDNESDAY NIGHT...North winds to 30 knots. Wind waves 4 feet.
.THURSDAY...North winds to 30 knots. Wind waves 4 feet. Isolated
showers in the morning.
.THURSDAY NIGHT...North winds to 25 knots. Wind waves 4 feet.
.FRIDAY...North winds to 25 knots. Wind waves 3 feet.
.SATURDAY...North winds 20 knots. Wind waves 3 feet.

$$

PHZ120-190215-
Pailolo Channel-
334 AM HST Tue Feb 18 2020

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

.TODAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet in the morning. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 8 feet. Isolated
showers.
.WEDNESDAY...East winds to 30 knots. Wind waves 9 feet. Isolated
showers.
.WEDNESDAY NIGHT...East winds to 30 knots. Wind waves 11 feet.
Northwest swell 3 feet. Scattered showers.
.THURSDAY...East winds to 30 knots. Wind waves 11 feet. Northwest
swell 3 feet. Scattered showers through the day.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 9 feet.
Northwest swell 3 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 7 to 8 feet.
Northwest swell 3 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 6 to 7 feet.
Northwest swell 3 to 4 feet. Isolated showers.

$$

PHZ121-190215-
Alenuihaha Channel-
334 AM HST Tue Feb 18 2020

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

.TODAY...East winds to 30 knots. Wind waves 9 feet. Northwest
swell 3 feet. Scattered showers.
.TONIGHT...East winds to 30 knots. Wind waves 10 feet. Northwest
swell 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.WEDNESDAY...East gales to 35 knots. Wind waves 12 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East gales to 35 knots. Wind waves 13 feet.
Northwest swell 4 feet. Isolated showers.
.THURSDAY...East winds to 30 knots. Wind waves 13 feet. Northwest
swell 4 feet. Scattered showers through the day.
.THURSDAY NIGHT...East winds to 30 knots. Wind waves 11 feet.
Northwest swell 4 feet. Isolated showers.
.FRIDAY...East winds to 25 knots. Wind waves 8 to 9 feet.
Northwest swell 3 to 4 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 to 5 feet. Isolated showers.

$$

PHZ122-190215-
Big Island Windward Waters-
334 AM HST Tue Feb 18 2020

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

.TODAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
3 feet. Scattered showers.
.TONIGHT...East winds 20 knots. Wind waves 8 feet. Northwest
swell 3 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 4 feet. Scattered showers.
.THURSDAY...East winds to 25 knots. Wind waves 10 feet. Northwest
swell 4 feet. Scattered showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 9 feet.
Northwest swell 4 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
3 to 4 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 6 to 7 feet.
Northwest swell 4 to 6 feet. Scattered showers.

$$

PHZ123-190215-
Big Island Leeward Waters-
334 AM HST Tue Feb 18 2020

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

.TODAY...West of the Big Island, southeast winds 10 knots backing
northwest in the afternoon. Near South Point, east winds to
30 knots. Wind waves 10 feet. Northwest swell 3 feet in the
morning. Isolated showers.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 10 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east gales to 35 knots near South Point. Wind waves
12 feet.
.WEDNESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east gales to 35 knots near South Point. Wind waves
13 feet. Northwest swell 3 feet after midnight. Isolated showers.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east to 30 knots near South Point. Wind waves 13 feet.
Northwest swell 3 feet. Scattered showers in the morning, then
isolated showers in the afternoon.
.THURSDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
11 feet. Northwest swell 3 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 to
9 feet. Northwest swell 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.
Northwest swell 3 to 4 feet. Isolated showers.

$$

PHZ124-190215-
Big Island Southeast Waters-
334 AM HST Tue Feb 18 2020

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

.TODAY...Northeast winds to 30 knots. Wind waves 10 feet.
Northwest swell 3 feet. Scattered showers.
.TONIGHT...Northeast winds to 25 knots. Wind waves 11 feet.
Scattered showers.
.WEDNESDAY...Northeast gales to 35 knots. Wind waves 12 feet.
Isolated showers through the day.
.WEDNESDAY NIGHT...Northeast gales to 35 knots. Wind waves
13 feet. Northwest swell 3 feet after midnight. Scattered
showers.
.THURSDAY...Northeast winds to 30 knots. Wind waves 13 feet.
Northwest swell 3 feet. Scattered showers.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves
11 feet. Northwest swell 3 feet. Scattered showers.
.FRIDAY...Northeast winds to 25 knots. Wind waves 8 to 9 feet.
Northwest swell 3 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 3 to 4 feet. Scattered showers.

$$

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



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