Coastal Waters Forecast
Issued by NWS Honolulu, HI

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000
FZHW50 PHFO 210718
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
918 PM HST Fri Apr 20 2018

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

PHZ100-211945-
918 PM HST Fri Apr 20 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.

$$

PHZ110-211945-
Kauai Northwest Waters-
918 PM HST Fri Apr 20 2018

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Scattered showers early in the evening,
then isolated showers after midnight.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 4 feet. Isolated showers in the morning, then scattered
showers in the afternoon.
.SATURDAY NIGHT...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 7 feet.
Northwest swell 6 feet. Isolated showers in the evening, then
scattered showers after midnight.
.MONDAY...East winds 20 knots. Wind waves 8 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. Northwest
swell 3 to 5 feet. Scattered showers.
.WEDNESDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 3 to 4 feet. Scattered showers.

$$

PHZ111-211945-
Kauai Windward Waters-
918 PM HST Fri Apr 20 2018

.REST OF TONIGHT...East winds 15 knots. Wind waves 6 feet.
Northwest swell 4 feet. Scattered showers early in the evening,
then isolated showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 6 feet. Northwest
swell 4 feet. Isolated showers in the morning, then scattered
showers in the afternoon.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 7 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 7 feet.
Northwest swell 6 feet. Isolated showers in the evening, then
scattered showers after midnight.
.MONDAY...Northeast winds 20 knots. Wind waves 8 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 3 to 5 feet. Scattered showers.
.WEDNESDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 3 to 4 feet. Scattered showers.

$$

PHZ112-211945-
Kauai Leeward Waters-
918 PM HST Fri Apr 20 2018

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers through the night.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 4 feet. Isolated showers.
.SATURDAY NIGHT...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 8 feet.
Northwest swell 6 feet. Isolated showers through the night.
.MONDAY...East winds to 25 knots. Wind waves 9 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 3 to 4 feet. Isolated showers.
.WEDNESDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 3 to 4 feet. Isolated showers.

$$

PHZ113-211945-
Kauai Channel-
918 PM HST Fri Apr 20 2018

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 7 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 8 feet.
Northwest swell 6 feet. Isolated showers.
.MONDAY...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 6 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. Northwest
swell 3 to 5 feet. Isolated showers.
.WEDNESDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 3 to 4 feet. Isolated showers.

$$

PHZ114-211945-
Oahu Windward Waters-
918 PM HST Fri Apr 20 2018

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 feet. Scattered showers.
.SATURDAY NIGHT...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 6 feet. Isolated showers in the evening, then
scattered showers after midnight.
.MONDAY...East winds 20 knots. Wind waves 8 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. Northwest
swell 4 feet. Scattered showers.

$$

PHZ115-211945-
Oahu Leeward Waters-
918 PM HST Fri Apr 20 2018

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

$$

PHZ116-211945-
Kaiwi Channel-
918 PM HST Fri Apr 20 2018

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers through the night.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 feet. Isolated showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 4 feet. Isolated showers through the night.
.SUNDAY...East winds to 25 knots. Wind waves 7 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 8 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 to 10 feet.
North swell 3 to 4 feet. Scattered showers.

$$

PHZ117-211945-
Maui County Windward Waters-
918 PM HST Fri Apr 20 2018

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 feet. Scattered showers.
.SATURDAY NIGHT...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 8 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 10 feet.
Northwest swell 4 feet. Scattered showers.

$$

PHZ118-211945-
Maui County Leeward Waters-
918 PM HST Fri Apr 20 2018

.REST OF TONIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 3 feet. Isolated showers through the night.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers through the night.
.SUNDAY...East winds to 25 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers in the morning.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers after midnight.
.MONDAY...Northeast winds 20 knots. Wind waves 7 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 7 feet. Northwest
swell 3 feet. Isolated showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 6 to 7 feet.
North swell 3 feet. Isolated showers.

$$

PHZ119-211945-
Maalaea Bay-
918 PM HST Fri Apr 20 2018

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

.REST OF TONIGHT...Northeast winds to 25 knots. Wind waves 3 feet
early in the evening then 2 feet or less. Isolated showers after
midnight.
.SATURDAY...North winds to 25 knots. Wind waves 3 feet. Isolated
showers.
.SATURDAY NIGHT...Northeast winds to 25 knots. Wind waves 3 feet.
Isolated showers in the evening.
.SUNDAY...North winds to 25 knots. Wind waves 3 feet.
.SUNDAY NIGHT...Northeast winds to 25 knots. Wind waves 3 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 4 to 6 feet.

$$

PHZ120-211945-
Pailolo Channel-
918 PM HST Fri Apr 20 2018

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

.REST OF TONIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 3 feet. Isolated showers through the night.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers in the morning, then scattered
showers in the afternoon.
.SATURDAY NIGHT...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 6 feet. Northwest
swell 3 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 4 feet. Isolated showers.
.MONDAY...Northeast winds to 25 knots. Wind waves 7 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 8 to 10 feet.
Northwest swell 3 feet. Isolated showers.

$$

PHZ121-211945-
Alenuihaha Channel-
918 PM HST Fri Apr 20 2018

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

.REST OF TONIGHT...East winds to 25 knots. Wind waves 6 feet.
Northwest swell 4 feet. Haze through the night. Isolated showers
through the night.
.SATURDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Haze. Isolated showers.
.SATURDAY NIGHT...East winds to 30 knots. Wind waves 8 feet.
Northwest swell 4 feet. Haze through the night. Isolated showers
through the night.
.SUNDAY...East winds to 30 knots. Wind waves 8 feet. Northwest
swell 4 feet. Haze. Isolated showers.
.SUNDAY NIGHT...Northeast winds to 30 knots. Wind waves 9 feet.
Northwest swell 5 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 10 to 12 feet.
North swell 3 to 4 feet. Haze. Isolated showers.

$$

PHZ122-211945-
Big Island Windward Waters-
918 PM HST Fri Apr 20 2018

.REST OF TONIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 4 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 4 feet. Scattered showers.
.SATURDAY NIGHT...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 7 feet.
Northwest swell 5 feet. Scattered showers.
.MONDAY...Northeast winds 20 knots. Wind waves 7 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 to 8 feet. Northwest
swell 4 to 5 feet. Scattered showers.
.WEDNESDAY...East winds 20 knots. Wind waves 7 to 8 feet.
Northwest swell 4 feet. Scattered showers.

$$

PHZ123-211945-
Big Island Leeward Waters-
918 PM HST Fri Apr 20 2018

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

.REST OF TONIGHT...West of the Big Island, north winds 10 knots
early in the evening becoming variable less than 10 knots. Near
South Point, east winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet. Haze. Isolated showers.
.SATURDAY...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.
.SATURDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
8 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 9 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 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 to
11 feet. Northwest swell 3 feet. Haze. Isolated showers.

$$

PHZ124-211945-
Big Island Southeast Waters-
918 PM HST Fri Apr 20 2018

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

.REST OF TONIGHT...Northeast winds to 25 knots. Wind waves
8 feet. Northwest swell 3 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet. Scattered showers.
.SATURDAY NIGHT...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 9 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 9 to 10 feet.
North swell 3 feet. Scattered showers.

$$



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