Coastal Waters Forecast
Issued by NWS Honolulu, HI

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000
FZHW50 PHFO 251944
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
944 AM HST Wed Apr 25 2018

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

PHZ100-260815-
944 AM HST Wed Apr 25 2018

.Synopsis for Hawaiian coastal waters...
Strong high pressure far northeast of the area will weaken
through Thursday. A slow-moving low will rapidly develop north of
the islands on Friday, and linger through the weekend. A front
associated with the low will move down the island chain Friday
through Saturday, with the front stalling near the Big Island
through Sunday.

$$

PHZ110-260815-
Kauai Northwest Waters-
944 AM HST Wed Apr 25 2018

.REST OF TODAY...East winds 20 knots. Wind waves 7 feet. North
swell 3 feet. Isolated showers late in the morning.
.TONIGHT...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 6 feet. Northwest
swell 4 feet. Scattered showers.
.THURSDAY NIGHT...Southeast winds 10 knots. Wind waves 5 feet.
Northwest swell 5 feet. Scattered showers.
.FRIDAY...Winds variable less than 10 knots becoming northwest
10 knots in the afternoon. Wind waves 4 feet. Northwest swell
5 feet. Haze. Scattered showers.
.FRIDAY NIGHT...North winds 15 knots. Wind waves 5 feet.
Northwest swell 5 feet increasing to 7 feet after midnight.
Scattered showers in the evening, then isolated showers after
midnight.
.SATURDAY...Northwest winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 7 to 9 feet. Isolated showers.
.SUNDAY...Northwest winds 10 knots. Wind waves 3 feet. North
swell 10 to 12 feet. Isolated showers.

$$

PHZ111-260815-
Kauai Windward Waters-
944 AM HST Wed Apr 25 2018

.REST OF TODAY...East winds 20 knots. Wind waves 7 feet. North
swell 3 feet. Isolated showers.
.TONIGHT...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.
.FRIDAY...South winds 10 knots veering west in the afternoon.
Wind waves 4 feet. Northwest swell 6 feet. Haze. Scattered
showers.
.FRIDAY NIGHT...Northwest winds 15 knots. Wind waves 5 feet.
Northwest swell 6 feet. Scattered showers.
.SATURDAY...Northwest winds 15 knots. Wind waves 3 to 4 feet.
Northwest swell 7 to 9 feet. Isolated showers.
.SUNDAY...Northwest winds 10 knots. Wind waves 3 feet. North
swell 10 to 12 feet. Isolated showers.

$$

PHZ112-260815-
Kauai Leeward Waters-
944 AM HST Wed Apr 25 2018

.REST OF TODAY...East winds 20 knots. Wind waves 7 feet. North
swell 3 feet. Isolated showers late in the morning.
.TONIGHT...East winds 20 knots. Wind waves 7 feet. Northwest
swell 3 feet. Isolated showers through the night.
.THURSDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Isolated showers.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
Northwest swell 5 feet. Haze through the night. Isolated showers
in the evening. Scattered showers after midnight.
.FRIDAY...South winds 10 knots veering northwest in the
afternoon. Wind waves 3 feet. Northwest swell 6 feet. Haze.
Scattered showers.
.FRIDAY NIGHT...North winds 15 knots. Wind waves 5 feet.
Northwest swell 5 feet increasing to 7 feet after midnight.
Scattered showers.
.SATURDAY...North winds 15 knots. Wind waves 3 to 4 feet.
Northwest swell 7 to 8 feet. Isolated showers.
.SUNDAY...Northwest winds 10 knots. Wind waves 2 feet or less.
North swell 9 to 11 feet.

$$

PHZ113-260815-
Kauai Channel-
944 AM HST Wed Apr 25 2018

.REST OF TODAY...Northeast winds 20 knots. Wind waves 7 feet.
North swell 3 feet. Isolated showers late in the morning.
.TONIGHT...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...Southwest winds 10 knots. Wind waves 3 feet. Northwest
swell 5 feet. Haze. Scattered showers.
.FRIDAY NIGHT...North winds 10 knots rising to 20 knots after
midnight. Wind waves 5 feet. Northwest swell 5 feet. Scattered
showers.
.SATURDAY...North winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 6 to 8 feet. Scattered showers.
.SUNDAY...Northwest winds 10 knots becoming variable less than
10 knots. Wind waves 2 feet or less. North swell 9 to 11 feet.
Isolated showers.

$$

PHZ114-260815-
Oahu Windward Waters-
944 AM HST Wed Apr 25 2018

.REST OF TODAY...East winds 20 knots. Wind waves 7 feet. North
swell 4 feet. Isolated showers.
.TONIGHT...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 5 feet. Scattered showers.
.FRIDAY...South winds 10 knots veering southwest in the
afternoon. Wind waves 4 feet. Northwest swell 5 feet. Haze.
Scattered showers.
.FRIDAY NIGHT...Northwest winds 10 knots rising to 20 knots after
midnight. Wind waves 5 feet. Northwest swell 5 feet. Showers
likely in the evening, then scattered showers after midnight.
.SATURDAY...Northwest winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 6 to 8 feet. Scattered showers.
.SUNDAY...Northwest winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. North swell 9 to 11 feet. Isolated
showers.

$$

PHZ115-260815-
Oahu Leeward Waters-
944 AM HST Wed Apr 25 2018

.REST OF TODAY...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers.
.THURSDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
Northwest swell 4 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...South winds 10 knots. Wind waves 3 feet in the morning
then 2 feet or less. Northwest swell 5 feet. Haze. Scattered
showers.
.FRIDAY NIGHT...West winds 10 knots. Wind waves 4 feet. Northwest
swell 5 feet. Haze through the night. Showers likely in the
evening. Scattered showers after midnight.
.SATURDAY...North winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 5 to 7 feet. Scattered showers.
.SUNDAY...Northwest winds 10 knots. Wind waves 2 feet or less.
North swell 8 to 10 feet. Isolated showers.

$$

PHZ116-260815-
Kaiwi Channel-
944 AM HST Wed Apr 25 2018

.REST OF TODAY...Northeast winds 20 knots. Wind waves 7 feet.
North swell 4 feet. Isolated showers.
.TONIGHT...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...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 4 feet. Northwest swell
5 feet. Haze. Scattered showers.
.FRIDAY NIGHT...West winds 10 knots. Wind waves 5 feet. Northwest
swell 5 feet. Haze through the night. Scattered showers in the
evening. Showers likely after midnight.
.SATURDAY...North winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 6 to 8 feet. Scattered showers.
.SUNDAY...Northwest winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. North swell 9 to 11 feet. Scattered
showers.

$$

PHZ117-260815-
Maui County Windward Waters-
944 AM HST Wed Apr 25 2018

.REST OF TODAY...East winds 20 knots. Wind waves 7 feet.
Northwest swell 4 feet. Scattered showers.
.TONIGHT...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. Wind waves 4 feet. Northwest
swell 5 feet. Scattered showers.
.FRIDAY NIGHT...West winds 10 knots. Wind waves 5 feet. Northwest
swell 5 feet. Haze through the night. Scattered showers in the
evening. Showers likely after midnight.
.SATURDAY...North winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 6 to 8 feet. Showers likely.
.SUNDAY...Northwest winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. North swell 9 to 11 feet. Scattered
showers.

$$

PHZ118-260815-
Maui County Leeward Waters-
944 AM HST Wed Apr 25 2018

.REST OF TODAY...Northeast winds 20 knots. Wind waves 6 feet.
North swell 3 feet. Isolated showers in the afternoon.
.TONIGHT...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 through the night.
.FRIDAY...Southeast winds 10 knots veering south in the
afternoon. Wind waves 3 feet. Northwest swell 4 feet. Haze
through the day. Scattered showers in the morning. Isolated
showers in the afternoon.
.FRIDAY NIGHT...West winds 10 knots. Wind waves 3 feet. Northwest
swell 4 feet. Haze through the night. Scattered showers in the
evening. Showers likely after midnight.
.SATURDAY...North winds 15 knots. Wind waves 3 to 4 feet.
Northwest swell 4 to 5 feet. Scattered showers.
.SUNDAY...North winds 10 knots. Wind waves 2 feet or less. North
swell 6 to 8 feet. Scattered showers.

$$

PHZ119-260815-
Maalaea Bay-
944 AM HST Wed Apr 25 2018

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

.REST OF TODAY...Northeast winds to 25 knots. Wind waves 3 feet.
Isolated showers in the afternoon.
.TONIGHT...Northeast winds to 25 knots. Wind waves 3 feet.
Isolated showers through the night.
.THURSDAY...Northeast winds 20 knots. Wind waves 2 feet or less.
Isolated showers.
.THURSDAY NIGHT...Northeast winds 15 knots. Wind waves 2 feet or
less. Isolated showers through the night.
.FRIDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 2 feet or less. Isolated
showers.
.FRIDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Haze through the night. Isolated showers in the
evening. Showers likely after midnight.
.SATURDAY...Winds variable less than 10 knots becoming northeast
10 knots. Wind waves 2 feet or less. Showers likely.
.SUNDAY...North winds 10 knots in the morning backing west, then
veering northeast in the evening becoming variable less than
10 knots. Wind waves 2 feet or less. Showers likely.

$$

PHZ120-260815-
Pailolo Channel-
944 AM HST Wed Apr 25 2018

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

.REST OF TODAY...Northeast winds to 25 knots. Wind waves 6 feet.
North swell 3 feet. Isolated showers.
.TONIGHT...East winds to 25 knots. Wind waves 6 feet. North swell
3 feet. Isolated showers in the evening, then scattered showers
after midnight.
.THURSDAY...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...Northeast winds 15 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. Wind waves 4 feet. Northwest swell
4 feet. Isolated showers in the morning, then scattered showers
in the afternoon.
.FRIDAY NIGHT...Winds variable less than 10 knots becoming west
10 knots after midnight. Wind waves 3 feet. Northwest swell
4 feet. Haze through the night. Scattered showers in the evening.
Showers likely after midnight.
.SATURDAY...North winds 10 knots. Wind waves 3 feet. Northwest
swell 4 to 6 feet. Showers likely.
.SUNDAY...Northwest winds 10 knots veering north. Wind waves
2 feet or less. Northwest swell 7 to 9 feet. Scattered showers.

$$

PHZ121-260815-
Alenuihaha Channel-
944 AM HST Wed Apr 25 2018

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

.REST OF TODAY...Northeast winds to 25 knots. Wind waves 8 feet.
North swell 4 feet. Scattered showers late in the morning.
Isolated showers in the afternoon.
.TONIGHT...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. Isolated showers through the day.
.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 south in the afternoon.
Wind waves 4 feet. Northwest swell 5 feet. Haze through the day.
Isolated showers through the day.
.FRIDAY NIGHT...Southwest winds 10 knots. Wind waves 4 feet.
Northwest swell 5 feet. Haze. Scattered showers.
.SATURDAY...West winds 10 knots veering north. Wind waves 3 feet.
Northwest swell 5 to 7 feet. Showers likely.
.SUNDAY...North winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. North swell 8 to 10 feet. Showers
likely.

$$

PHZ122-260815-
Big Island Windward Waters-
944 AM HST Wed Apr 25 2018

.REST OF TODAY...East winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Scattered showers.
.TONIGHT...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...Southeast winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet. Scattered showers.
.FRIDAY NIGHT...South winds 15 knots. Wind waves 5 feet.
Northwest swell 5 feet. Scattered showers.
.SATURDAY...Southwest winds 10 knots veering north. Wind waves
3 to 4 feet. Northwest swell 5 to 7 feet. Showers likely.
.SUNDAY...North winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. North swell 8 to 10 feet. Showers
likely.

$$

PHZ123-260815-
Big Island Leeward Waters-
944 AM HST Wed Apr 25 2018

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

.REST OF TODAY...Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 8 feet.
Haze. Isolated showers.
.TONIGHT...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 becoming west 10 knots in the afternoon. Near South
Point, east winds 15 knots. Wind waves 5 feet. Northwest swell
3 feet. Haze. Isolated showers.
.FRIDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 10 knots near South Point. Wind waves 5 feet.
Northwest swell 3 feet. Haze. Scattered showers.
.SATURDAY...Winds variable less than 10 knots becoming north
15 knots. Wind waves 3 to 4 feet. Northwest swell 3 to 4 feet.
Haze. Showers likely.
.SUNDAY...North winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. Northwest swell 4 to 5 feet. Haze.
Showers likely.

$$

PHZ124-260815-
Big Island Southeast Waters-
944 AM HST Wed Apr 25 2018

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

.REST OF TODAY...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 3 feet. Isolated showers through the day.
.TONIGHT...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. Wind waves 5 feet. North swell
4 feet. Scattered showers.
.FRIDAY NIGHT...East winds 10 knots. Wind waves 4 feet. North
swell 4 feet. Scattered showers in the evening, then showers
likely after midnight.
.SATURDAY...Winds variable less than 10 knots becoming northwest
10 knots in the afternoon, then veering northeast. Wind waves
3 to 4 feet. Northwest swell 3 to 4 feet. Haze. Showers likely.
.SUNDAY...Northeast winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. Northwest swell 5 to 7 feet. Haze.
Showers likely.

$$



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