Coastal Waters Forecast
Issued by NWS Honolulu, HI

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000
FZHW50 PHFO 181344
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
344 AM HST Thu Jan 18 2018

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

PHZ100-190200-
344 AM HST Thu Jan 18 2018

.Synopsis for Hawaiian coastal waters...
Strong high pressure passing north of the islands will shift
eastward through Friday. Ridge north of the islands will weaken
over the weekend as low pressure, currently near Midway, lifts
northeastward.

$$

PHZ110-190200-
Kauai Northwest Waters-
344 AM HST Thu Jan 18 2018

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

.TODAY...East winds to 25 knots. Wind waves 11 feet. Northwest
swell 5 feet. Showers likely in the morning, then scattered
showers in the afternoon.
.TONIGHT...East winds to 25 knots. Wind waves 11 feet. North
swell 5 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 10 feet. North swell
3 feet. Scattered showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 9 feet. North
swell 3 feet. Scattered showers in the evening, then isolated
showers after midnight.
.SATURDAY...East winds 10 knots. Wind waves 5 feet. Mixed swell
northwest 3 feet and east 6 to 7 feet. Scattered showers in the
morning, then isolated showers in the afternoon.
.SATURDAY NIGHT...Northeast winds 10 knots. Wind waves 3 feet.
Mixed swell northwest 5 feet and east 6 to 7 feet. Scattered
showers.
.SUNDAY...Northeast winds 10 knots. Wind waves 3 feet. Mixed
swell northwest 6 to 8 feet and east 5 to 6 feet. Scattered
showers.
.MONDAY...East winds 15 knots. Wind waves 3 to 4 feet. Mixed
swell northwest 7 to 8 feet and east 5 feet. Scattered showers.

$$

PHZ111-190200-
Kauai Windward Waters-
344 AM HST Thu Jan 18 2018

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

.TODAY...East winds to 25 knots. Wind waves 12 feet. Northwest
swell 5 feet. Showers likely in the morning, then scattered
showers in the afternoon.
.TONIGHT...East winds to 25 knots. Wind waves 12 feet. North
swell 5 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 11 feet. North swell
4 feet. Scattered showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 10 feet. North
swell 3 feet. Scattered showers.
.SATURDAY...East winds 10 knots. Wind waves 5 feet. Mixed swell
north 3 feet and east 7 feet. Scattered showers in the morning,
then isolated showers in the afternoon.
.SATURDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet. Mixed swell
northwest 5 feet and east 6 to 7 feet. Scattered showers.
.SUNDAY...Northeast winds 10 knots. Wind waves 2 feet or less.
Mixed swell northwest 5 to 7 feet and east 5 to 6 feet. Scattered
showers.
.MONDAY...East winds 15 knots. Wind waves 3 to 4 feet. Mixed
swell northwest 7 to 8 feet and east 5 feet. Scattered showers.

$$

PHZ112-190200-
Kauai Leeward Waters-
344 AM HST Thu Jan 18 2018

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

.TODAY...East winds to 25 knots. Wind waves 11 feet. Northwest
swell 5 feet. Isolated showers in the morning.
.TONIGHT...East winds to 25 knots. Wind waves 11 feet. North
swell 5 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 8 feet. North swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.FRIDAY NIGHT...East winds 10 knots. Wind waves 7 feet. North
swell 3 feet. Isolated showers through the night.
.SATURDAY...Winds variable less than 10 knots. Wind waves 5 feet
in the morning then 2 feet or less. Mixed swell northwest 3 feet
and east 5 feet. Isolated showers in the morning.
.SATURDAY NIGHT...Winds variable less than 10 knots becoming
northeast 10 knots after midnight. Wind waves 2 feet or less.
Mixed swell northwest 5 feet and east 4 to 5 feet. Scattered
showers.
.SUNDAY...Northeast winds 10 knots. Wind waves 3 feet. Mixed
swell northwest 6 to 8 feet and east 4 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 3 to 4 feet. Northwest
swell 8 feet and east 3 to 4 feet. Isolated showers.

$$

PHZ113-190200-
Kauai Channel-
344 AM HST Thu Jan 18 2018

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

.TODAY...East winds to 25 knots. Wind waves 12 feet. Northwest
swell 5 feet. Isolated showers through the day.
.TONIGHT...East winds to 25 knots. Wind waves 11 feet. North
swell 5 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 11 feet. North swell
4 feet. Isolated showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 10 feet. North
swell 3 feet. Isolated showers through the night.
.SATURDAY...Northeast winds 10 knots. Wind waves 5 feet. North
swell 3 feet and east 6 to 7 feet. Isolated showers.
.SATURDAY NIGHT...East winds 10 knots. Wind waves 3 feet. Mixed
swell northwest 4 feet and east 6 to 7 feet. Isolated showers.
.SUNDAY...Winds variable less than 10 knots becoming northeast
10 knots. Wind waves 2 feet or less. Mixed swell northwest 5 to
7 feet and east 5 to 6 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 3 to 4 feet. Mixed
swell northwest 7 to 8 feet and east 5 feet. Isolated showers.

$$

PHZ114-190200-
Oahu Windward Waters-
344 AM HST Thu Jan 18 2018

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

.TODAY...East winds to 30 knots. Wind waves 13 feet. Northwest
swell 6 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.TONIGHT...East winds to 30 knots. Wind waves 13 feet. North
swell 5 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 12 feet. North swell
4 feet. Scattered showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 11 feet. North
swell 3 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. Mixed swell
north 3 feet and east 7 feet. Scattered showers in the morning,
then isolated showers in the afternoon.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 4 feet and east 6 to 7 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 3 feet. Mixed swell
northwest 5 to 7 feet and east 6 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 3 to 4 feet. Mixed
swell northwest 7 to 8 feet and east 5 to 6 feet. Scattered
showers.

$$

PHZ115-190200-
Oahu Leeward Waters-
344 AM HST Thu Jan 18 2018

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

.TODAY...East winds to 30 knots. Wind waves 12 feet. Northwest
swell 5 feet.
.TONIGHT...East winds to 25 knots. Wind waves 10 feet. North
swell 5 feet. Isolated showers.
.FRIDAY...East winds 15 knots. Wind waves 7 feet. North swell
4 feet. Isolated showers through the day.
.FRIDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 6 feet. North swell
3 feet. Isolated showers in the evening.
.SATURDAY...Winds variable less than 10 knots. Wind waves 5 feet
in the morning then 2 feet or less. Mixed swell north 3 feet and
east 7 feet. Isolated showers in the morning.
.SATURDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Mixed swell northwest 4 feet and east 6 to
7 feet. Isolated showers.
.SUNDAY...Winds variable less than 10 knots becoming northeast
10 knots. Wind waves 2 feet or less. Mixed swell northwest 4 to
5 feet and east 6 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 3 to 4 feet. Mixed
swell northwest 5 to 6 feet and east 5 to 6 feet. Isolated
showers.

$$

PHZ116-190200-
Kaiwi Channel-
344 AM HST Thu Jan 18 2018

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

.TODAY...East winds to 30 knots. Wind waves 13 feet. North swell
6 feet. Isolated showers.
.TONIGHT...East winds to 30 knots. Wind waves 13 feet. North
swell 5 feet. Isolated showers.
.FRIDAY...East winds to 25 knots. Wind waves 12 feet. North swell
4 feet. Isolated showers through the day.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 11 feet. North
swell 3 feet. Isolated showers.
.SATURDAY...East winds 20 knots veering southwest in the
afternoon. Wind waves 5 feet. North swell 3 feet and east 7 feet.
Isolated showers.
.SATURDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Mixed
swell north 4 feet and east 6 to 7 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 3 feet. Mixed swell
northwest 4 to 6 feet and east 6 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 3 to 4 feet. Mixed
swell northwest 6 to 7 feet and east 5 to 6 feet. Isolated
showers.

$$

PHZ117-190200-
Maui County Windward Waters-
344 AM HST Thu Jan 18 2018

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

.TODAY...East winds to 30 knots. Wind waves 13 feet. Northwest
swell 6 feet. Isolated showers.
.TONIGHT...East winds to 30 knots. Wind waves 13 feet. North
swell 5 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 12 feet. North swell
4 feet. Scattered showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 11 feet. North
swell 4 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. North swell
3 feet and east 7 feet. Scattered showers in the morning, then
isolated showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Mixed swell northwest 4 feet and east 6 to 7 feet. Scattered
showers in the evening, then isolated showers after midnight.
.SUNDAY...East winds 10 knots. Wind waves 3 feet. Mixed swell
northwest 4 to 6 feet and east 6 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 3 to 4 feet. Mixed
swell northwest 6 to 7 feet and east 5 to 6 feet. Scattered
showers.

$$

PHZ118-190200-
Maui County Leeward Waters-
344 AM HST Thu Jan 18 2018

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

.TODAY...East winds to 30 knots. Wind waves 11 feet. Northwest
swell 4 feet.
.TONIGHT...East winds to 30 knots. Wind waves 13 feet. North
swell 5 feet. Isolated showers through the night.
.FRIDAY...East winds 20 knots. Wind waves 8 feet. North swell
4 feet. Isolated showers.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 7 feet. North
swell 3 feet. Isolated showers in the evening.
.SATURDAY...Northeast winds 15 knots in the morning becoming
variable less than 10 knots. Wind waves 6 feet in the morning
then 2 feet or less. Mixed swell north 3 feet and east 5 feet.
Isolated showers in the morning.
.SATURDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Mixed swell north 3 feet and east 4 to 5 feet.
Isolated showers.
.SUNDAY...Winds variable less than 10 knots becoming northeast
10 knots. Wind waves 2 feet or less. Mixed swell northwest 3 to
4 feet and east 4 feet. Isolated showers.
.MONDAY...Northeast winds 10 knots. Wind waves 3 feet. Mixed
swell northwest 4 to 5 feet and east 4 feet. Isolated showers.

$$

PHZ119-190200-
Maalaea Bay-
344 AM HST Thu Jan 18 2018

...GALE WARNING IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TODAY...North gales to 35 knots. Wind waves 5 feet.
.TONIGHT...North winds to 30 knots. Wind waves 5 feet.
.FRIDAY...North winds to 25 knots. Wind waves 3 feet.
.FRIDAY NIGHT...North winds to 25 knots becoming northeast
15 knots after midnight. Wind waves 3 feet.
.SATURDAY...East winds 10 knots. Wind waves 2 feet or less.
.SATURDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less.
.SUNDAY...Winds variable less than 10 knots becoming northeast
10 knots. Wind waves 2 feet or less. Isolated showers.
.MONDAY...North winds 15 knots. Wind waves 2 feet or less.
Isolated showers.

$$

PHZ120-190200-
Pailolo Channel-
344 AM HST Thu Jan 18 2018

...GALE WARNING IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TODAY...East gales to 35 knots. Wind waves 12 feet. Northwest
swell 5 feet. Isolated showers in the morning. Scattered showers
in the afternoon.
.TONIGHT...East winds to 30 knots. Wind waves 12 feet. North
swell 5 feet. Isolated showers in the evening, then scattered
showers after midnight.
.FRIDAY...East winds to 25 knots. Wind waves 10 feet. North swell
4 feet. Scattered showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 9 feet. North
swell 4 feet. Isolated showers.
.SATURDAY...East winds 20 knots backing northwest in the
afternoon. Wind waves 5 feet. North swell 3 feet and east 7 feet.
Isolated showers through the day.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 3 feet. Mixed
swell north 3 feet and east 6 to 7 feet. Isolated showers.
.SUNDAY...Northeast winds 10 knots. Wind waves 2 feet or less.
Mixed swell northwest 4 feet and east 6 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 3 feet. Mixed swell
northwest 4 to 5 feet and east 5 to 6 feet. Isolated showers.

$$

PHZ121-190200-
Alenuihaha Channel-
344 AM HST Thu Jan 18 2018

...GALE WARNING IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TODAY...East gales to 35 knots. Wind waves 14 feet. Northwest
swell 6 feet. Isolated showers in the morning. Scattered showers
in the afternoon.
.TONIGHT...East winds to 30 knots. Wind waves 13 feet. Northwest
swell 5 feet. Scattered showers in the evening. Isolated showers
after midnight.
.FRIDAY...East winds to 25 knots. Wind waves 10 feet. North swell
4 feet. Isolated showers in the morning. Scattered showers in the
afternoon.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 10 feet. North
swell 4 feet. Isolated showers in the evening. Scattered showers
after midnight.
.SATURDAY...East winds 15 knots. Wind waves 5 feet. North swell
3 feet and east 7 feet. Isolated showers.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Mixed
swell north 4 feet and east 6 to 7 feet. Isolated showers.
.SUNDAY...East winds 15 knots. Wind waves 3 feet. Mixed swell
northwest 4 to 5 feet and east 6 feet. Isolated showers.
.MONDAY...East winds 15 knots. Wind waves 3 to 4 feet. Mixed
swell northwest 5 to 7 feet and east 5 to 6 feet. Isolated
showers.

$$

PHZ122-190200-
Big Island Windward Waters-
344 AM HST Thu Jan 18 2018

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

.TODAY...East winds to 25 knots. Wind waves 10 feet. Northwest
swell 6 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 10 feet. Northwest
swell 5 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 10 feet. North swell
4 feet. Scattered showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 10 feet. North
swell 5 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. North swell
4 feet and east 7 feet. Scattered showers.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 4 feet. North
swell 4 feet and east 6 to 7 feet. Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 3 feet. Mixed swell
northwest 4 to 6 feet and east 6 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 3 feet. Mixed swell
northwest 6 to 7 feet and east 5 to 6 feet. Scattered showers.

$$

PHZ123-190200-
Big Island Leeward Waters-
344 AM HST Thu Jan 18 2018

...GALE WARNING IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TODAY...Winds variable less than 10 knots west of the Big
Island...east gales to 35 knots near South Point. Wind waves
14 feet. Northwest swell 4 feet. Isolated showers in the morning.
Haze through the day.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east to 30 knots near South Point. Wind waves 13 feet.
Northwest swell 4 feet. Haze. Isolated showers.
.FRIDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 11 feet.
North swell 3 feet. Isolated showers in the morning. Haze through
the day.
.FRIDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 10 feet.
North swell 3 feet. Haze through the night. Isolated showers
through the night.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 5 feet. North
swell 3 feet in the morning. Swell east 7 feet. Haze. Scattered
showers.
.SATURDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 4 feet.
North swell 3 feet after midnight. Swell east 6 to 7 feet. Haze
through the night. Scattered showers in the evening. Isolated
showers after midnight.
.SUNDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 3 feet. Mixed
swell northwest 3 to 4 feet and east 6 feet. Haze. Isolated
showers.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 3 to 4 feet.
Mixed swell northwest 4 to 6 feet and east 5 to 6 feet. Haze.
Scattered showers.

$$

PHZ124-190200-
Big Island Southeast Waters-
344 AM HST Thu Jan 18 2018

...GALE WARNING IN EFFECT THROUGH EARLY FRIDAY MORNING...

.TODAY...Northeast gales to 35 knots. Wind waves 13 feet.
Northwest swell 4 feet increasing to 6 feet in the afternoon.
Scattered showers in the morning, then isolated showers in the
afternoon.
.TONIGHT...Northeast winds to 30 knots. Wind waves 12 feet.
Northwest swell 5 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 11 feet. North swell
4 feet. Scattered showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 10 feet. North
swell 5 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. Mixed swell
north 4 feet and east 7 feet. Scattered showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 4 feet. Mixed
swell north 3 feet and east 6 to 7 feet. Scattered showers.
.SUNDAY...Northeast winds 15 knots. Wind waves 3 feet. Mixed
swell northwest 4 feet and east 6 feet. Scattered showers.
.MONDAY...Northeast winds 20 knots. Wind waves 3 to 4 feet. Mixed
swell northwest 4 to 6 feet and east 5 to 6 feet. Scattered
showers.

$$


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