Coastal Waters Forecast
Issued by NWS Honolulu, HI

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000
FZHW50 PHFO 211319
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
319 AM HST Sat Apr 21 2018

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

PHZ100-220145-
319 AM HST Sat Apr 21 2018

.Synopsis for Hawaiian coastal waters...
A high far northeast of the islands will move east through the
weekend. A new high will build north of the area early next week.

$$

PHZ110-220145-
Kauai Northwest Waters-
319 AM HST Sat Apr 21 2018

.TODAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
4 feet. Isolated showers in the morning, then scattered showers
in the afternoon.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 4 feet. Scattered showers in the evening, then isolated
showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
4 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 6 feet. Isolated showers in the evening, then
scattered showers after midnight.
.MONDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
6 feet. Scattered showers.
.MONDAY NIGHT...East winds to 25 knots. Wind waves 9 feet.
Northwest swell 5 feet. Scattered showers.
.TUESDAY...East winds to 25 knots. Wind waves 9 feet. North swell
4 to 5 feet. Scattered showers.
.WEDNESDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 3 to 4 feet. Scattered showers.

$$

PHZ111-220145-
Kauai Windward Waters-
319 AM HST Sat Apr 21 2018

.TODAY...East winds 15 knots. Wind waves 6 feet. Northwest swell
4 feet. Isolated showers in the morning, then scattered showers
in the afternoon.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 4 feet. Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 6 feet. Northwest swell
4 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 6 feet. Isolated showers in the evening, then
scattered showers after midnight.
.MONDAY...Northeast winds 20 knots. Wind waves 7 feet. Northwest
swell 5 feet. Scattered showers.
.MONDAY NIGHT...East winds to 25 knots. Wind waves 9 feet.
Northwest swell 5 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 9 feet. North swell
4 to 5 feet. Scattered showers.
.WEDNESDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 3 to 4 feet. Scattered showers.

$$

PHZ112-220145-
Kauai Leeward Waters-
319 AM HST Sat Apr 21 2018

.TODAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
4 feet. Isolated showers.
.TONIGHT...East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 feet. Isolated showers through the night.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
4 feet. Isolated showers through the day.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 6 feet. Isolated showers through the night.
.MONDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 6 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 5 feet. Isolated showers in the evening, then
scattered showers after midnight.
.TUESDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 4 to 5 feet. Isolated showers.
.WEDNESDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 3 to 4 feet. Isolated showers.

$$

PHZ113-220145-
Kauai Channel-
319 AM HST Sat Apr 21 2018

.TODAY...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 4 feet. Isolated showers.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 4 feet. Isolated showers.
.SUNDAY...Northeast winds 20 knots. Wind waves 7 feet. Northwest
swell 4 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 5 feet. Isolated showers.
.MONDAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 5 feet. Isolated showers.
.TUESDAY...East winds 20 knots. Wind waves 9 feet. North swell
4 to 5 feet. Isolated showers.
.WEDNESDAY...East winds 20 knots. Wind waves 8 feet. North swell
3 to 4 feet. Isolated showers.

$$

PHZ114-220145-
Oahu Windward Waters-
319 AM HST Sat Apr 21 2018

.TODAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
4 feet. Scattered showers.
.TONIGHT...East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
4 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 5 feet. Isolated showers in the evening, then
scattered showers after midnight.
.MONDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
6 feet. Scattered showers.
.MONDAY NIGHT...East winds to 25 knots. Wind waves 9 feet.
Northwest swell 5 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 9 feet. Northwest
swell 4 to 5 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 9 feet. North
swell 3 to 4 feet. Scattered showers.

$$

PHZ115-220145-
Oahu Leeward Waters-
319 AM HST Sat Apr 21 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY AFTERNOON...

.TODAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
4 feet. Isolated showers through the day.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 4 feet. Isolated showers.
.SUNDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet. Isolated showers through the night.
.MONDAY...Northeast winds 20 knots. Wind waves 7 feet. Northwest
swell 5 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds 20 knots. Wind waves 8 feet.
Northwest swell 4 feet. Isolated showers.
.TUESDAY...Northeast winds 20 knots. Wind waves 8 feet. Northwest
swell 4 feet. Isolated showers.
.WEDNESDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 3 to 4 feet. Isolated showers.

$$

PHZ116-220145-
Kaiwi Channel-
319 AM HST Sat Apr 21 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY AFTERNOON...

.TODAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
4 feet. Isolated showers.
.TONIGHT...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Isolated showers through the night.
.SUNDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet. Isolated showers through the night.
.MONDAY...Northeast winds 20 knots. Wind waves 7 feet. Northwest
swell 6 feet. Isolated showers in the morning, then scattered
showers in the afternoon.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 5 feet. Scattered showers.
.TUESDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 4 to 5 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 9 feet. North
swell 3 to 4 feet. Scattered showers.

$$

PHZ117-220145-
Maui County Windward Waters-
319 AM HST Sat Apr 21 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY AFTERNOON...

.TODAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
4 feet. Scattered showers.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 4 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 7 feet. Northwest
swell 5 feet. Isolated showers in the evening, then scattered
showers after midnight.
.MONDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
6 feet. Scattered showers.
.MONDAY NIGHT...East winds to 25 knots. Wind waves 9 feet.
Northwest swell 5 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 8 to 9 feet. Northwest
swell 4 to 5 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 8 to 9 feet.
North swell 4 feet. Scattered showers.

$$

PHZ118-220145-
Maui County Leeward Waters-
319 AM HST Sat Apr 21 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY AFTERNOON...

.TODAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
3 feet. Isolated showers.
.TONIGHT...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet. Isolated showers through the night.
.SUNDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet. Isolated showers in the morning.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves 8 feet.
Northwest swell 4 feet. Isolated showers after midnight.
.MONDAY...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 4 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 7 feet.
Northwest swell 4 feet. Isolated showers.
.TUESDAY...Northeast winds 15 knots. Wind waves 6 to 7 feet.
Northwest swell 3 to 4 feet. Isolated showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 6 to 7 feet.
North swell 3 feet. Isolated showers.

$$

PHZ119-220145-
Maalaea Bay-
319 AM HST Sat Apr 21 2018

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

.TODAY...North winds to 25 knots. Wind waves 3 feet. Isolated
showers.
.TONIGHT...Northeast winds to 25 knots. Wind waves 3 feet.
Isolated showers in the evening.
.SUNDAY...North winds to 25 knots. Wind waves 4 feet.
.SUNDAY NIGHT...Northeast winds to 25 knots. Wind waves 4 feet.
.MONDAY...North winds to 25 knots. Wind waves 3 feet.
.MONDAY NIGHT...North winds to 25 knots. Wind waves 3 feet.
.TUESDAY...North winds to 25 knots. Wind waves 3 feet.
.WEDNESDAY...North winds to 25 knots. Wind waves 3 feet.

$$

PHZ120-220145-
Pailolo Channel-
319 AM HST Sat Apr 21 2018

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

.TODAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
3 feet. Isolated showers in the morning, then scattered showers
in the afternoon.
.TONIGHT...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 3 feet. Scattered showers in the evening, then isolated
showers after midnight.
.SUNDAY...East winds to 30 knots. Wind waves 7 feet. Northwest
swell 3 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 3 feet. Isolated showers.
.MONDAY...Northeast winds to 25 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 4 feet. Isolated showers.
.TUESDAY...Northeast winds to 25 knots. Wind waves 7 to 8 feet.
Northwest swell 3 to 4 feet. Isolated showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 7 feet. North
swell 3 feet. Isolated showers.

$$

PHZ121-220145-
Alenuihaha Channel-
319 AM HST Sat Apr 21 2018

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

.TODAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Haze. Isolated showers.
.TONIGHT...East winds to 30 knots. Wind waves 9 feet. Northwest
swell 4 feet. Haze through the night. Isolated showers through
the night.
.SUNDAY...East winds to 30 knots. Wind waves 10 feet. Northwest
swell 4 feet. Haze. Isolated showers.
.SUNDAY NIGHT...Northeast winds to 30 knots. Wind waves 9 feet.
Northwest swell 4 feet. Haze. Isolated showers.
.MONDAY...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 6 feet. Haze. Isolated showers.
.MONDAY NIGHT...East winds to 30 knots. Wind waves 9 feet.
Northwest swell 5 feet. Haze. Isolated showers.
.TUESDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 4 to 5 feet. Haze. Isolated showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 9 feet. North
swell 4 feet. Haze. Isolated showers.

$$

PHZ122-220145-
Big Island Windward Waters-
319 AM HST Sat Apr 21 2018

.TODAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
4 feet. Scattered showers.
.TONIGHT...East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
4 feet. Scattered showers.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Scattered showers.
.MONDAY...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 6 feet. Scattered showers.
.MONDAY NIGHT...East winds 20 knots. Wind waves 7 feet. Northwest
swell 5 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 to 5 feet. Scattered showers.
.WEDNESDAY...East winds 20 knots. Wind waves 7 feet. North swell
4 feet. Scattered showers.

$$

PHZ123-220145-
Big Island Leeward Waters-
319 AM HST Sat Apr 21 2018

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

.TODAY...West of the Big Island, winds variable less than
10 knots becoming southwest 10 knots in the afternoon. Near South
Point, east winds to 25 knots. Wind waves 8 feet. Northwest swell
3 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 9 feet.
Northwest swell 3 feet. Haze. Isolated showers.
.SUNDAY...West of the Big Island, winds variable less than
10 knots becoming west 10 knots in the afternoon. Near South
Point, east winds to 25 knots. Wind waves 9 feet. Northwest swell
3 feet. Haze. Isolated showers.
.SUNDAY NIGHT...West of the Big Island, west winds 10 knots in
the evening becoming variable less than 10 knots. Near South
Point, east winds to 25 knots. Wind waves 9 feet. Northwest swell
3 feet. Haze. Isolated showers.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 9 feet.
Northwest swell 4 feet. Haze. Isolated showers.
.MONDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 10 feet.
Northwest swell 4 feet. Haze. Isolated showers.
.TUESDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 9 to
10 feet. Northwest swell 3 to 4 feet. Haze. Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 9 feet.
North swell 3 feet. Haze. Isolated showers.

$$

PHZ124-220145-
Big Island Southeast Waters-
319 AM HST Sat Apr 21 2018

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

.TODAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 3 feet. Scattered showers.
.TONIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 3 feet. Scattered showers.
.SUNDAY...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 3 feet. Scattered showers.
.SUNDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 3 feet. Scattered showers.
.MONDAY...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 4 feet. Scattered showers.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 4 feet. Scattered showers.
.TUESDAY...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 3 to 4 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 8 to 9 feet.
North swell 3 to 4 feet. Scattered showers.

$$



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