Coastal Waters Forecast
Issued by NWS Honolulu, HI

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000
FZHW50 PHFO 161929
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
929 AM HST Tue Jan 16 2018

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

PHZ100-170830-
929 AM HST Tue Jan 16 2018

.Synopsis for Hawaiian coastal waters...
A surface ridge will gradually build northeast of the area today.
A strong new high will move east to a position north of the area
Wednesday night. The high will move away to the northeast during
the second half of the week.

$$

PHZ110-170830-
Kauai Northwest Waters-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING...

.REST OF TODAY...Northeast winds 15 knots. Wind waves around
3 feet. Northwest swell 9 feet. A slight chance of showers.
.TONIGHT...Northeast winds 20 knots. Wind waves around 6 feet.
Northwest swell 8 feet, increasing to 10 feet after midnight. A
slight chance of showers in the evening, then a chance of showers
after midnight.
.WEDNESDAY...East winds to 25 knots. Wind waves around 7 feet.
Northwest swell 10 feet. A slight chance of showers in the
morning, then a chance of showers in the afternoon.
.WEDNESDAY NIGHT...East winds to 30 knots. Wind waves around
12 feet. Northwest swell 9 feet. Scattered showers.
.THURSDAY...East winds to 25 knots. Wind waves around 12 feet.
Northwest swell 6 feet. Swell southeast 3 feet. Scattered
showers.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves around
11 feet. Mixed swell north 5 feet and southeast 3 feet. Scattered
showers.
.FRIDAY...East winds 15 knots. Wind waves 8 to 10 feet. Mixed
swell north 3 to 4 feet and southeast 3 feet. Scattered showers.
.SATURDAY...East winds 20 knots, diminishing to 10 knots. Wind
waves around 7 feet. Mixed swell northwest 3 to 4 feet and
southeast 3 feet. Scattered showers.

$$

PHZ111-170830-
Kauai Windward Waters-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING...

.REST OF TODAY...Northeast winds 15 knots. Wind waves around
3 feet. Northwest swell 8 feet. A slight chance of showers.
.TONIGHT...Northeast winds 20 knots. Wind waves around 6 feet.
Northwest swell 7 feet, increasing to 10 feet after midnight. A
slight chance of showers in the evening, then a chance of showers
after midnight.
.WEDNESDAY...East winds 20 knots. Wind waves around 7 feet.
Northwest swell 10 feet. A chance of showers.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves around
12 feet. Northwest swell 8 feet. Scattered showers.
.THURSDAY...East winds to 25 knots. Wind waves around 12 feet.
Northwest swell 7 feet. Scattered showers.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves around
12 feet. North swell 5 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 9 to 11 feet. North
swell 3 to 5 feet. Scattered showers.
.SATURDAY...East winds 20 knots, diminishing to 10 knots. Wind
waves 7 to 8 feet. Northwest swell 3 to 4 feet. Scattered
showers.

$$

PHZ112-170830-
Kauai Leeward Waters-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING...

.REST OF TODAY...Northeast winds 15 knots. Wind waves around
5 feet. Northwest swell 8 feet.
.TONIGHT...Northeast winds 20 knots. Wind waves around 7 feet.
Northwest swell 7 feet, increasing to 9 feet after midnight. A
slight chance of showers.
.WEDNESDAY...East winds to 25 knots. Wind waves around 9 feet.
Northwest swell 10 feet. A slight chance of showers.
.WEDNESDAY NIGHT...East winds to 30 knots. Wind waves around
12 feet. Northwest swell 8 feet and southeast 3 feet. Isolated
showers in the evening, then scattered showers after midnight.
.THURSDAY...East winds to 25 knots. Wind waves around 11 feet.
Northwest swell 6 feet and southeast 3 feet. Scattered showers,
mainly in the morning.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves around
10 feet. Mixed swell north 5 feet and southeast 4 feet. Scattered
showers.
.FRIDAY...East winds to 25 knots, diminishing to 10 knots. Wind
waves 6 to 8 feet. Mixed swell north 3 to 4 feet and southeast
3 to 4 feet. Scattered showers.
.SATURDAY...East winds 15 knots, becoming variable less than
10 knots. Wind waves around 5 feet. Mixed swell northwest 3 to
4 feet and southeast 3 feet. Scattered showers.

$$

PHZ113-170830-
Kauai Channel-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING...

.REST OF TODAY...Northeast winds 15 knots. Wind waves around
5 feet. Northwest swell 8 feet. A slight chance of showers late
this morning.
.TONIGHT...Northeast winds 20 knots. Wind waves around 7 feet.
Northwest swell 7 feet, increasing to 9 feet after midnight. A
slight chance of showers.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves around
8 feet. Northwest swell 10 feet. A slight chance of showers.
.WEDNESDAY NIGHT...East winds to 30 knots. Wind waves around
12 feet. Northwest swell 8 feet. Swell southeast 3 feet. Isolated
showers.
.THURSDAY...East winds to 25 knots. Wind waves around 12 feet.
North swell 7 feet and southeast 3 feet. Scattered showers,
mainly in the morning.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves around
12 feet. Mixed swell north 5 feet and southeast 3 feet. Isolated
showers.
.FRIDAY...East winds 20 knots. Wind waves 8 to 10 feet. Mixed
swell north 3 to 5 feet and southeast 3 feet. Scattered showers.
.SATURDAY...East winds 20 knots, becoming variable less than
10 knots. Wind waves 7 to 8 feet. Mixed swell northwest 3 to
4 feet and southeast 3 feet. Isolated showers.

$$

PHZ114-170830-
Oahu Windward Waters-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING...

.REST OF TODAY...Northeast winds 15 knots. Wind waves around
4 feet. Northwest swell 8 feet. A slight chance of showers.
.TONIGHT...Northeast winds 20 knots. Wind waves around 6 feet.
Northwest swell 8 feet. A slight chance of showers in the
evening, then a chance of showers after midnight.
.WEDNESDAY...East winds to 25 knots. Wind waves around 8 feet.
Northwest swell 10 feet. A chance of showers.
.WEDNESDAY NIGHT...East winds to 30 knots. Wind waves around
13 feet. Northwest swell 9 feet. Scattered showers.
.THURSDAY...East winds to 30 knots. Wind waves around 13 feet.
Northwest swell 7 feet. Scattered showers.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves around
13 feet. North swell 6 feet. Swell southeast 3 feet. Scattered
showers.
.FRIDAY...East winds 20 knots. Wind waves 9 to 11 feet. Mixed
swell north 4 to 5 feet and southeast 3 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 7 to 9 feet. Mixed
swell northwest 3 to 4 feet and southeast 3 feet. Scattered
showers.

$$

PHZ115-170830-
Oahu Leeward Waters-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING...

.REST OF TODAY...Northeast winds 20 knots. Wind waves around
5 feet. Northwest swell 8 feet.
.TONIGHT...Northeast winds 20 knots. Wind waves around 7 feet.
Northwest swell 7 feet. A slight chance of showers in the
evening.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves around
9 feet. Northwest swell 9 feet. A slight chance of showers.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves around
10 feet. Northwest swell 8 feet. Isolated showers.
.THURSDAY...East winds to 25 knots. Wind waves around 10 feet.
Northwest swell 6 feet and southeast 3 feet. Isolated showers.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves around
9 feet. Mixed swell north 5 feet and southeast 3 feet. Isolated
showers.
.FRIDAY...East winds to 25 knots, diminishing to 10 knots. Wind
waves 5 to 7 feet. Mixed swell north 3 to 5 feet and southeast
3 feet. Scattered showers.
.SATURDAY...Southeast winds 10 knots, becoming variable less than
10 knots. Wind waves 4 to 5 feet. Mixed swell northwest 3 feet
and southeast 3 feet. Isolated showers.

$$

PHZ116-170830-
Kaiwi Channel-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING...

.REST OF TODAY...Northeast winds 20 knots. Wind waves around
5 feet. Northwest swell 8 feet. A slight chance of showers.
.TONIGHT...Northeast winds 20 knots. Wind waves around 7 feet.
Northwest swell 8 feet. A slight chance of showers in the
evening. A chance of showers after midnight.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves around
8 feet. Northwest swell 10 feet. A slight chance of showers.
.WEDNESDAY NIGHT...East winds to 30 knots. Wind waves around
13 feet. Northwest swell 9 feet. Isolated showers in the evening,
then scattered showers after midnight.
.THURSDAY...East winds to 30 knots. Wind waves around 13 feet.
North swell 7 feet. Scattered showers, mainly in the morning.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves around
12 feet. North swell 6 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 9 to 11 feet. North
swell 4 to 5 feet. Scattered showers.
.SATURDAY...East winds 20 knots, diminishing to 10 knots. Wind
waves 7 to 9 feet. North swell 3 to 4 feet. Isolated showers.

$$

PHZ117-170830-
Maui County Windward Waters-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING...

.REST OF TODAY...East winds 15 knots. Wind waves around 4 feet.
Northwest swell 9 feet. A slight chance of showers.
.TONIGHT...East winds 20 knots. Wind waves around 6 feet.
Northwest swell 8 feet. A slight chance of showers in the
evening, then a chance of showers after midnight.
.WEDNESDAY...East winds to 25 knots. Wind waves around 8 feet.
Northwest swell 10 feet. A chance of showers.
.WEDNESDAY NIGHT...East winds to 30 knots. Wind waves around
12 feet. Northwest swell 9 feet. Scattered showers.
.THURSDAY...East winds to 30 knots. Wind waves around 12 feet.
Northwest swell 8 feet and southeast 3 feet. Scattered showers.
.THURSDAY NIGHT...East winds to 30 knots. Wind waves around
12 feet. North swell 7 feet and southeast 3 feet. Scattered
showers.
.FRIDAY...East winds 20 knots. Wind waves 9 to 11 feet. Mixed
swell north 4 to 6 feet and southeast 3 feet. Scattered showers.
.SATURDAY...East winds 15 knots. Wind waves 7 to 9 feet. Mixed
swell northwest 4 feet and southeast 3 feet. Scattered showers.

$$

PHZ118-170830-
Maui County Leeward Waters-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING...

.REST OF TODAY...Northeast winds 20 knots. Wind waves around
5 feet. Northwest swell 6 feet.
.TONIGHT...Northeast winds 20 knots. Wind waves around 7 feet.
Northwest swell 6 feet. A slight chance of showers in the
evening.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves around
8 feet. Northwest swell 7 feet. A slight chance of showers in the
afternoon.
.WEDNESDAY NIGHT...Northeast winds to 25 knots. Wind waves around
9 feet. Northwest swell 6 feet. Isolated showers.
.THURSDAY...East winds to 25 knots. Wind waves around 10 feet.
Northwest swell 5 feet. Scattered showers, mainly in the morning.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves around
10 feet. North swell 5 feet. Isolated showers.
.FRIDAY...East winds to 25 knots, diminishing to 15 knots. Wind
waves 6 to 8 feet. North swell 3 to 4 feet. Isolated showers.
.SATURDAY...East winds 10 knots. Wind waves 5 to 6 feet. North
swell 3 feet. Isolated showers.

$$

PHZ119-170830-
Maalaea Bay-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY WEDNESDAY
MORNING...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE
THURSDAY NIGHT...

.REST OF TODAY...North winds to 25 knots. Wind waves around
3 feet.
.TONIGHT...North winds to 25 knots. Wind waves around 4 feet.
.WEDNESDAY...North gales to 35 knots. Wind waves around 5 feet.
.WEDNESDAY NIGHT...North gales to 35 knots. Wind waves around
5 feet.
.THURSDAY...North gales to 35 knots. Wind waves around 5 feet.
.THURSDAY NIGHT...Northeast winds to 30 knots. Wind waves around
5 feet.
.FRIDAY...North winds 20 knots. Wind waves 3 to 4 feet.
.SATURDAY...North winds 20 knots, becoming variable less than
10 knots. Wind waves around 2 feet or less.

$$

PHZ120-170830-
Pailolo Channel-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY WEDNESDAY
MORNING...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE
THURSDAY NIGHT...

.REST OF TODAY...East winds to 25 knots. Wind waves around
4 feet. Northwest swell 7 feet.
.TONIGHT...Northeast winds to 25 knots. Wind waves around 5 feet.
Northwest swell 6 feet. A slight chance of showers.
.WEDNESDAY...East winds to 30 knots. Wind waves around 8 feet.
Northwest swell 7 feet. A slight chance of showers.
.WEDNESDAY NIGHT...East gales to 35 knots. Wind waves around
11 feet. Northwest swell 7 feet. Isolated showers in the evening,
then scattered showers after midnight.
.THURSDAY...East gales to 35 knots. Wind waves around 11 feet.
Northwest swell 6 feet. Scattered showers, mainly in the morning.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves around
11 feet. North swell 6 feet. Scattered showers, mainly in the
evening.
.FRIDAY...East winds 20 knots. Wind waves 8 to 10 feet. North
swell 4 to 5 feet. Isolated showers.
.SATURDAY...East winds 20 knots, diminishing to 10 knots. Wind
waves 6 to 8 feet. North swell 3 to 4 feet. Isolated showers.

$$

PHZ121-170830-
Alenuihaha Channel-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY WEDNESDAY
MORNING...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE
THURSDAY NIGHT...

.REST OF TODAY...Northeast winds to 25 knots. Wind waves around
7 feet. Northwest swell 9 feet. A slight chance of showers.
.TONIGHT...Northeast winds to 25 knots. Wind waves around 8 feet.
Northwest swell 7 feet. A slight chance of showers in the
evening. A chance of showers after midnight.
.WEDNESDAY...East gales to 35 knots. Wind waves around 11 feet.
Northwest swell 8 feet, increasing to 10 feet in the afternoon. A
chance of showers in the morning. A slight chance of showers in
the afternoon.
.WEDNESDAY NIGHT...East gales to 35 knots. Wind waves around
13 feet. Northwest swell 9 feet. Isolated showers.
.THURSDAY...East gales to 35 knots. Wind waves around 13 feet.
Northwest swell 8 feet. Swell southeast 3 feet. Scattered showers
in the morning. Isolated showers in the afternoon.
.THURSDAY NIGHT...East winds to 30 knots. Wind waves around
12 feet. Northwest swell 6 feet and southeast 3 feet. Scattered
showers in the evening. Isolated showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 9 to 11 feet. Mixed
swell north 4 to 6 feet and southeast 3 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 7 to 8 feet. Mixed
swell northwest 4 feet and southeast 3 feet. Isolated showers.

$$

PHZ122-170830-
Big Island Windward Waters-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING...

.REST OF TODAY...Northeast winds 20 knots. Wind waves around
5 feet. Northwest swell 9 feet. A slight chance of showers.
.TONIGHT...Northeast winds 20 knots. Wind waves around 5 feet.
Northwest swell 7 feet. A slight chance of showers in the
evening, then a chance of showers after midnight.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves around
7 feet. Northwest swell 9 feet. A chance of showers.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves around
9 feet. Northwest swell 9 feet and southeast 3 feet. Scattered
showers.
.THURSDAY...East winds to 25 knots. Wind waves around 10 feet.
Northwest swell 8 feet and southeast 3 feet. Scattered showers.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves around
10 feet. North swell 7 feet and southeast 3 to 4 feet. Scattered
showers.
.FRIDAY...East winds 20 knots. Wind waves 8 to 10 feet. Mixed
swell north 5 to 7 feet and southeast 3 to 4 feet. Scattered
showers.
.SATURDAY...East winds 15 knots. Wind waves 7 to 8 feet. Mixed
swell north 4 to 5 feet and southeast 3 feet. Scattered showers.

$$

PHZ123-170830-
Big Island Leeward Waters-
929 AM HST Tue Jan 16 2018

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

.REST OF TODAY...Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves around
7 feet. Northwest swell 6 feet. Hazy.
.TONIGHT...West of the Big Island, winds variable less than
10 knots, becoming southeast 10 knots after midnight. Near South
Point, east winds to 25 knots. Wind waves around 8 feet.
Northwest swell 5 feet. Hazy.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...northeast to 25 knots near South Point. Wind waves
around 10 feet. Mixed swell northwest 5 feet and southeast
3 feet. A slight chance of showers in the morning. Hazy.
.WEDNESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east to 30 knots near South Point. Wind waves around
11 feet. Northwest swell 6 feet and southeast 3 feet. Hazy.
Isolated showers in the evening. Scattered showers after
midnight.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east to 30 knots near South Point. Wind waves around
11 feet. Mixed swell northwest 5 feet and southeast 3 feet.
Scattered showers in the morning. Hazy.
.THURSDAY NIGHT...South winds 10 knots west of the Big Island...
east to 25 knots near South Point. Wind waves around 11 feet.
Mixed swell northwest 4 feet and southeast 3 feet. Hazy. Isolated
showers.
.FRIDAY...West of the Big Island, southwest winds 10 knots,
becoming variable less than 10 knots. Near South Point, east
winds 20 knots. Wind waves 9 to 10 feet. Mixed swell north 3 to
4 feet and southeast 3 feet. Hazy. Isolated showers.
.SATURDAY...West of the Big Island, southeast winds 10 knots,
becoming variable less than 10 knots. Near South Point, east
winds 15 knots. Wind waves 7 to 8 feet. Mixed swell north 3 feet
and southeast 3 feet. Hazy. Scattered showers.

$$

PHZ124-170830-
Big Island Southeast Waters-
929 AM HST Tue Jan 16 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY WEDNESDAY
MORNING...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE
THURSDAY NIGHT...

.REST OF TODAY...Northeast winds to 25 knots. Wind waves around
7 feet. Northwest swell 7 feet. A slight chance of showers.
.TONIGHT...Northeast winds to 25 knots. Wind waves around 8 feet.
Northwest swell 6 feet. A slight chance of showers in the
evening, then a chance of showers after midnight.
.WEDNESDAY...Northeast winds to 30 knots. Wind waves around
10 feet. Northwest swell 6 feet and southeast 3 feet. A chance of
showers.
.WEDNESDAY NIGHT...Northeast winds to 30 knots. Wind waves around
11 feet. Northwest swell 7 feet and southeast 3 feet. Scattered
showers.
.THURSDAY...Northeast winds to 30 knots. Wind waves around
11 feet. Northwest swell 6 feet and southeast 3 feet. Scattered
showers.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves around
11 feet. Northwest swell 6 feet and southeast 3 feet. Scattered
showers.
.FRIDAY...East winds 20 knots. Wind waves 9 to 10 feet. Mixed
swell north 4 to 6 feet and southeast 3 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 to 8 feet. Mixed
swell north 4 feet and southeast 3 feet. Scattered showers.

$$



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