Coastal Waters Forecast
Issued by NWS Honolulu, HI

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000
FZHW50 PHFO 211930
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
930 AM HST Thu Sep 21 2017

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

PHZ100-220815-
930 AM HST Thu Sep 21 2017

.Synopsis for Hawaiian coastal waters...
A ridge of high pressure far north of the state will slowly
weaken through Friday. The ridge will move closer to the state
during the weekend as a cold front passes to the north.

$$

PHZ110-220815-
Kauai Northwest Waters-
930 AM HST Thu Sep 21 2017

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

$$

PHZ111-220815-
Kauai Windward Waters-
930 AM HST Thu Sep 21 2017

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

$$

PHZ112-220815-
Kauai Leeward Waters-
930 AM HST Thu Sep 21 2017

.REST OF TODAY...East winds 20 knots. Wind waves 6 feet. Mixed
swell northwest 3 feet and southeast 3 feet.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Isolated showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Isolated showers.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers in
the evening, then scattered showers after midnight.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Isolated showers.
.MONDAY...East winds 10 knots becoming variable less than
10 knots. Wind waves 3 to 4 feet. Northwest swell 3 feet.
Isolated showers.

$$

PHZ113-220815-
Kauai Channel-
930 AM HST Thu Sep 21 2017

.REST OF TODAY...Northeast winds 20 knots. Wind waves 6 feet.
Mixed swell northwest 3 feet and southeast 3 feet. Isolated
showers late in the morning.
.TONIGHT...Northeast winds 15 knots. Wind waves 6 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers.
.FRIDAY...Northeast winds 20 knots. Wind waves 5 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers
through the day.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers
through the night.
.SATURDAY...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers
through the day.
.SATURDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet in the evening. Swell southeast 3 feet.
Isolated showers in the evening, then scattered showers after
midnight.
.SUNDAY...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers.
.MONDAY...East winds 10 knots. Wind waves 3 to 4 feet. Northwest
swell 3 feet. Isolated showers.

$$

PHZ114-220815-
Oahu Windward Waters-
930 AM HST Thu Sep 21 2017

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

$$

PHZ115-220815-
Oahu Leeward Waters-
930 AM HST Thu Sep 21 2017

.REST OF TODAY...East winds 20 knots. Wind waves 5 feet. Swell
southeast 3 feet.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. Swell
southeast 3 feet. Isolated showers.
.FRIDAY...Northeast winds 20 knots. Wind waves 4 feet. Swell
southeast 3 feet. Isolated showers through the day.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet after midnight. Swell southeast 3 feet.
Isolated showers through the night.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Mixed swell
northwest 3 feet and southeast 3 feet in the morning. Isolated
showers through the day.
.SATURDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
Isolated showers.
.SUNDAY...Northeast winds 15 knots. Wind waves 4 feet. Isolated
showers.
.MONDAY...East winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. Isolated showers.

$$

PHZ116-220815-
Kaiwi Channel-
930 AM HST Thu Sep 21 2017

.REST OF TODAY...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet. Scattered showers late in the morning.
.TONIGHT...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers.
.FRIDAY...Northeast winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers through the day.
.FRIDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 3 feet. Isolated showers through the night.
.SATURDAY...Northeast winds 20 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers through the day.
.SATURDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.SUNDAY...Northeast winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Isolated showers.
.MONDAY...East winds 10 knots. Wind waves 4 feet. Northwest swell
3 feet. Isolated showers.

$$

PHZ117-220815-
Maui County Windward Waters-
930 AM HST Thu Sep 21 2017

.REST OF TODAY...East winds 20 knots. Wind waves 6 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Scattered showers
late in the morning.
.TONIGHT...East winds 15 knots. Wind waves 6 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. Mixed swell
northwest 3 feet and southeast 3 feet. Scattered showers in the
morning, then isolated showers in the afternoon.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Isolated showers in
the evening, then scattered showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet. Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Northwest swell
3 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Northwest swell
3 feet. Scattered showers.

$$

PHZ118-220815-
Maui County Leeward Waters-
930 AM HST Thu Sep 21 2017

.REST OF TODAY...Northeast winds 20 knots. Wind waves 5 feet.
.TONIGHT...Northeast winds 20 knots. Wind waves 5 feet. Isolated
showers.
.FRIDAY...East winds 20 knots. Wind waves 4 feet. Isolated
showers in the morning.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Isolated showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 3 feet. Isolated
showers in the morning.
.SATURDAY NIGHT...Northeast winds 10 knots. Wind waves 3 feet.
Isolated showers.
.SUNDAY...Northeast winds 10 knots. Wind waves 3 feet. Isolated
showers.
.MONDAY...East winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. Isolated showers.

$$

PHZ119-220815-
Maalaea Bay-
930 AM HST Thu Sep 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...North winds to 25 knots. Wind waves 2 feet or
less.
.TONIGHT...North winds to 25 knots. Wind waves 2 feet or less.
.FRIDAY...North winds 20 knots. Wind waves 2 feet or less.
.FRIDAY NIGHT...North winds 15 knots. Wind waves 2 feet or less.
.SATURDAY...North winds 20 knots. Wind waves 2 feet or less.
.SATURDAY NIGHT...Northeast winds 15 knots. Wind waves 2 feet or
less.
.SUNDAY...Northeast winds 15 knots. Wind waves 2 feet or less.
.MONDAY...Northeast winds 10 knots. Wind waves 2 feet or less.
Isolated showers.

$$

PHZ120-220815-
Pailolo Channel-
930 AM HST Thu Sep 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...East winds to 25 knots. Wind waves 5 feet.
Scattered showers late in the morning.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. Scattered
showers.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 4 feet. Isolated
showers in the evening. Scattered showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 4 feet. Isolated
showers.
.SATURDAY NIGHT...Northeast winds 20 knots. Wind waves 3 feet.
Isolated showers in the evening. Scattered showers after
midnight.
.SUNDAY...Northeast winds 15 knots. Wind waves 3 to 4 feet.
Isolated showers.
.MONDAY...East winds 10 knots. Wind waves 3 feet. Isolated
showers.

$$

PHZ121-220815-
Alenuihaha Channel-
930 AM HST Thu Sep 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...East winds to 25 knots. Wind waves 7 feet. Swell
southeast 3 feet. Scattered showers late in the morning.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. Swell
southeast 3 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
3 feet. Swell southeast 3 feet. Isolated showers.
.FRIDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 3 feet. Isolated showers.
.SATURDAY...Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 3 feet. Isolated showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 3 feet. Isolated showers in the evening.
Scattered showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 4 to 5 feet. Isolated
showers.
.MONDAY...East winds 10 knots. Wind waves 3 to 5 feet. Isolated
showers.

$$

PHZ122-220815-
Big Island Windward Waters-
930 AM HST Thu Sep 21 2017

.REST OF TODAY...East winds 20 knots. Wind waves 5 feet. Swell
southeast 3 feet. Scattered showers late in the morning.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet after midnight. Swell southeast 3 feet. Scattered
showers.
.FRIDAY...Northeast winds 15 knots. Wind waves 5 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Scattered showers in
the morning, then isolated showers in the afternoon.
.FRIDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
Mixed swell northwest 3 feet and southeast 3 feet. Isolated
showers in the evening, then scattered showers after midnight.
.SATURDAY...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and southeast 3 feet. Scattered showers in
the morning, then isolated showers in the afternoon.
.SATURDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet. Swell southeast 3 feet. Scattered
showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Northwest swell
3 feet. Scattered showers.
.MONDAY...East winds 10 knots. Wind waves 3 feet. Northwest swell
3 feet. Scattered showers.

$$

PHZ123-220815-
Big Island Leeward Waters-
930 AM HST Thu Sep 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
8 feet. Swell southeast 3 feet. Haze.
.TONIGHT...West of the Big Island, southwest winds 10 knots in
the evening becoming variable less than 10 knots. Near South
Point, east winds to 25 knots. Wind waves 7 feet. Swell southeast
3 feet. Haze. Isolated showers.
.FRIDAY...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. Haze. Isolated showers.
.FRIDAY NIGHT...West of the Big Island, southeast winds 10 knots
in the evening becoming variable less than 10 knots. Near South
Point, east winds 20 knots. Wind waves 5 feet. Swell southeast
3 feet. Haze through the night. Isolated showers after midnight.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 5 feet. Swell
southeast 3 feet. Haze. Isolated showers.
.SATURDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 4 feet.
Swell southeast 3 feet. Haze through the night. Isolated showers
in the evening. Scattered showers after midnight.
.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 15 knots. Wind waves 4 to 5 feet. Haze. Isolated showers.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 4 to 5 feet.
Haze. Isolated showers.

$$

PHZ124-220815-
Big Island Southeast Waters-
930 AM HST Thu Sep 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...Northeast winds 20 knots. Wind waves 8 feet.
Swell southeast 3 feet. Isolated showers late in the morning.
.TONIGHT...Northeast winds 20 knots. Wind waves 7 feet. Swell
southeast 3 feet. Isolated showers.
.FRIDAY...Northeast winds 20 knots. Wind waves 6 feet. Swell
southeast 3 feet. Isolated showers.
.FRIDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
Swell southeast 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. Swell
southeast 3 feet. Isolated showers.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Swell
southeast 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SUNDAY...Northeast winds 15 knots. Wind waves 4 to 5 feet.
Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 4 to 5 feet. Isolated
showers.

$$



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