Coastal Waters Forecast
Issued by NWS Honolulu, HI

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000
FZHW50 PHFO 241330
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
330 AM HST Tue Apr 24 2018

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

PHZ100-250200-
330 AM HST Tue Apr 24 2018

.Synopsis for Hawaiian coastal waters...
Fresh to strong trade winds will increase slightly as a strong
surface high passes north of the islands. Winds will gradually
ease Wednesday through Friday as the ridge north of the state
weakens. A front is expected to move across the western half of
the island chain Friday, then reach the central or eastern end of
the state Saturday.

$$

PHZ110-250200-
Kauai Northwest Waters-
330 AM HST Tue Apr 24 2018

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

.TODAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.TONIGHT...East winds to 25 knots. Wind waves 8 feet. North swell
4 feet. Scattered showers in the evening, then isolated showers
after midnight.
.WEDNESDAY...East winds 20 knots. Wind waves 8 feet. North swell
3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 3 feet. Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 4 feet. Scattered showers.
.THURSDAY NIGHT...Southeast winds 10 knots. Wind waves 4 feet.
Northwest swell 5 feet. Scattered showers in the evening, then
showers likely after midnight.
.FRIDAY...Winds variable less than 10 knots becoming northwest
10 knots in the afternoon and evening, then rising to 20 knots
after midnight. Wind waves 4 feet. Northwest swell 5 feet. Haze.
Showers likely.
.SATURDAY...Northwest winds 10 knots. Wind waves 3 to 4 feet.
North swell 7 to 9 feet. Isolated showers.

$$

PHZ111-250200-
Kauai Windward Waters-
330 AM HST Tue Apr 24 2018

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

.TODAY...Northeast winds 20 knots. Wind waves 8 feet. Northwest
swell 4 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Scattered showers in the evening, then isolated
showers after midnight.
.WEDNESDAY...East winds 20 knots. Wind waves 7 feet. North swell
4 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 3 feet. Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 4 feet. Scattered showers.
.THURSDAY NIGHT...Southeast winds 10 knots. Wind waves 5 feet.
Northwest swell 5 feet. Scattered showers in the evening, then
showers likely after midnight.
.FRIDAY...South winds 10 knots veering northwest in the afternoon
and evening, then rising to 20 knots after midnight. Wind waves
4 feet. Northwest swell 5 to 6 feet. Haze. Showers likely.
.SATURDAY...Northwest winds 10 knots. Wind waves 3 to 4 feet.
North swell 6 to 8 feet. Scattered showers.

$$

PHZ112-250200-
Kauai Leeward Waters-
330 AM HST Tue Apr 24 2018

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

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

$$

PHZ113-250200-
Kauai Channel-
330 AM HST Tue Apr 24 2018

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

.TODAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 4 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 8 feet. North swell
4 feet. Isolated showers in the evening.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 8 feet. North
swell 3 feet. Isolated showers in the afternoon.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet. North
swell 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.THURSDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...Southeast winds 10 knots. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon, then veering north in the evening
rising to 20 knots after midnight. Wind waves 3 to 4 feet.
Northwest swell 5 feet. Haze. Scattered showers.
.SATURDAY...North winds 10 knots. Wind waves 4 to 5 feet. North
swell 6 to 8 feet. Scattered showers.

$$

PHZ114-250200-
Oahu Windward Waters-
330 AM HST Tue Apr 24 2018

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

.TODAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 4 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Isolated showers.
.WEDNESDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 4 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 4 feet. Scattered showers.
.THURSDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
Northwest swell 4 feet. Scattered showers.
.FRIDAY...South winds 10 knots veering southwest in the
afternoon, then veering northwest in the evening rising to
20 knots after midnight. Wind waves 4 feet. Northwest swell 5 to
6 feet. Haze. Showers likely.
.SATURDAY...Northwest winds 20 knots easing to 10 knots. Wind
waves 4 feet. North swell 6 to 8 feet. Scattered showers.

$$

PHZ115-250200-
Oahu Leeward Waters-
330 AM HST Tue Apr 24 2018

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

.TODAY...Northeast winds 20 knots. Wind waves 8 feet. Northwest
swell 4 feet. Scattered showers.
.TONIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 4 feet. Isolated showers through the night.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.THURSDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
Northwest swell 4 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon, then veering west. Wind waves 3 feet.
Northwest swell 5 feet. Haze. Scattered showers.
.SATURDAY...North winds 10 knots. Wind waves 4 to 5 feet.
Northwest swell 6 to 8 feet. Scattered showers.

$$

PHZ116-250200-
Kaiwi Channel-
330 AM HST Tue Apr 24 2018

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

.TODAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 4 feet. Scattered showers.
.TONIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 4 feet. Isolated showers through the night.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 8 feet. North
swell 4 feet. Isolated showers through the day.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet. North
swell 3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. North swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.THURSDAY NIGHT...East winds 20 knots easing to 10 knots after
midnight. Wind waves 5 feet. Northwest swell 4 feet. Isolated
showers.
.FRIDAY...Winds variable less than 10 knots becoming west
10 knots. Wind waves 4 feet. Northwest swell 5 feet. Haze.
Showers likely.
.SATURDAY...North winds 10 knots. Wind waves 4 to 5 feet. North
swell 6 to 8 feet. Showers likely.

$$

PHZ117-250200-
Maui County Windward Waters-
330 AM HST Tue Apr 24 2018

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

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

$$

PHZ118-250200-
Maui County Leeward Waters-
330 AM HST Tue Apr 24 2018

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

.TODAY...Northeast winds 20 knots. Wind waves 8 feet. Northwest
swell 3 feet. Isolated showers in the morning, then scattered
showers in the afternoon.
.TONIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 7 feet. North
swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...Northeast winds 15 knots. Wind waves 6 feet.
North swell 3 feet. Isolated showers through the night.
.THURSDAY...Northeast winds 15 knots. Wind waves 5 feet. North
swell 3 feet. Isolated showers.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers.
.FRIDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots, then becoming west 10 knots. Wind
waves 3 feet. Northwest swell 4 feet. Haze. Showers likely.
.SATURDAY...North winds 10 knots. Wind waves 4 to 5 feet.
Northwest swell 4 to 6 feet. Showers likely.

$$

PHZ119-250200-
Maalaea Bay-
330 AM HST Tue Apr 24 2018

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

.TODAY...North winds to 25 knots. Wind waves 4 feet. Isolated
showers in the morning, then scattered showers in the afternoon.
.TONIGHT...Northeast winds to 25 knots. Wind waves 4 feet.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves 3 feet.
Isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds to 25 knots. Wind waves
3 feet. Isolated showers after midnight.
.THURSDAY...Northeast winds 20 knots. Wind waves 2 feet or less.
Isolated showers.
.THURSDAY NIGHT...Northeast winds 10 knots. Wind waves 2 feet or
less. Isolated showers through the night.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Haze. Showers likely.
.SATURDAY...Winds variable less than 10 knots becoming north
10 knots in the afternoon and evening, then becoming variable
less than 10 knots after midnight. Wind waves 2 feet or less.
Showers likely.

$$

PHZ120-250200-
Pailolo Channel-
330 AM HST Tue Apr 24 2018

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

.TODAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet. Scattered showers.
.TONIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 feet. North
swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet. North
swell 3 feet. Isolated showers through the night.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers.
.THURSDAY NIGHT...Northeast winds 10 knots in the evening
becoming variable less than 10 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots becoming south
10 knots in the afternoon, then becoming variable less than
10 knots in the evening becoming west 10 knots after midnight.
Wind waves 3 to 4 feet. Northwest swell 4 feet. Haze. Showers
likely.
.SATURDAY...North winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 4 to 6 feet. Showers likely.

$$

PHZ121-250200-
Alenuihaha Channel-
330 AM HST Tue Apr 24 2018

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

.TODAY...East winds to 30 knots. Wind waves 10 feet. Northwest
swell 4 feet. Isolated showers in the morning, then scattered
showers in the afternoon.
.TONIGHT...Northeast winds to 30 knots. Wind waves 10 feet.
Northwest swell 4 feet. Isolated showers in the evening.
Scattered showers after midnight.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves 9 feet.
North swell 4 feet. Scattered showers in the morning. Isolated
showers in the afternoon.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
North swell 3 feet. Isolated showers in the evening. Scattered
showers after midnight.
.THURSDAY...East winds to 25 knots. Wind waves 7 feet. North
swell 3 feet. Scattered showers in the morning. Isolated showers
in the afternoon.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 4 feet. Haze through the night. Isolated showers
through the night.
.FRIDAY...East winds 15 knots veering southwest. Wind waves 3 to
4 feet. Northwest swell 4 to 5 feet. Haze. Isolated showers.
.SATURDAY...Winds variable less than 10 knots becoming northwest
10 knots in the afternoon, then veering northeast. Wind waves
5 feet. Northwest swell 5 to 7 feet. Showers likely.

$$

PHZ122-250200-
Big Island Windward Waters-
330 AM HST Tue Apr 24 2018

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

.TODAY...East winds 20 knots. Wind waves 8 feet. Northwest swell
5 feet. Showers likely in the morning, then scattered showers in
the afternoon.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 4 feet. Scattered showers.
.WEDNESDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 4 feet. Scattered showers.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 6 feet.
Northwest swell 4 feet. Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 3 feet. Scattered showers.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 4 feet. Scattered showers.
.FRIDAY...South winds 10 knots. Wind waves 4 to 5 feet. Northwest
swell 5 feet. Scattered showers.
.SATURDAY...Winds variable less than 10 knots becoming north
10 knots. Wind waves 4 to 5 feet. Northwest swell 5 to 7 feet.
Occasional showers.

$$

PHZ123-250200-
Big Island Leeward Waters-
330 AM HST Tue Apr 24 2018

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

.TODAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 9 feet.
Northwest swell 3 feet. Haze. Scattered showers.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 9 feet.
Northwest swell 3 feet. Haze. Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 8 feet. Haze.
Isolated showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
8 feet. Haze. Isolated showers.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet. Haze.
Isolated showers.
.THURSDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 6 feet.
Northwest swell 3 feet after midnight. Haze. Isolated showers.
.FRIDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east winds 15 knots becoming variable
less than 10 knots. Wind waves 4 to 5 feet. Northwest swell
3 feet. Haze. Scattered showers.
.SATURDAY...Winds variable less than 10 knots becoming northeast
10 knots after midnight. Wind waves 4 to 5 feet. Northwest swell
3 to 4 feet. Haze. Occasional showers.

$$

PHZ124-250200-
Big Island Southeast Waters-
330 AM HST Tue Apr 24 2018

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

.TODAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 3 feet. Scattered showers.
.TONIGHT...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 3 feet. Scattered showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 8 feet.
Northwest swell 3 feet. Scattered showers in the morning, then
isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds to 25 knots. Wind waves
8 feet. North swell 3 feet. Scattered showers.
.THURSDAY...Northeast winds 20 knots. Wind waves 7 feet. North
swell 3 feet. Scattered showers.
.THURSDAY NIGHT...East winds 15 knots. Wind waves 6 feet. North
swell 3 feet. Scattered showers.
.FRIDAY...East winds 15 knots becoming variable less than
10 knots. Wind waves 4 to 5 feet. Northwest swell 4 feet.
Scattered showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 4 feet.
Northwest swell 3 to 4 feet. Haze. Showers likely.

$$


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