Coastal Waters Forecast
Issued by NWS Honolulu, HI

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000
FZHW50 PHFO 210130
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
330 PM HST Sat Apr 20 2019

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

PHZ100-211430-
330 PM HST Sat Apr 20 2019

.Synopsis for Hawaiian coastal waters...
The ridge will strengthen north of the state this weekend, then
remain in place into next week.

$$

PHZ110-211430-
Kauai Northwest Waters-
330 PM HST Sat Apr 20 2019

.TONIGHT...East winds 20 knots. Wind waves 5 feet. Isolated
showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Scattered
showers after midnight.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
3 feet in the afternoon. Isolated showers through the day.
.MONDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.TUESDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers through the day.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 4 feet. Isolated showers in the evening, then
scattered showers after midnight.
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. North swell
3 to 4 feet. Isolated showers.
.THURSDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers.

$$

PHZ111-211430-
Kauai Windward Waters-
330 PM HST Sat Apr 20 2019

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

$$

PHZ112-211430-
Kauai Leeward Waters-
330 PM HST Sat Apr 20 2019

.TONIGHT...East winds 20 knots. Wind waves 6 feet.
.SUNDAY...East winds 20 knots. Wind waves 6 feet.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Isolated
showers after midnight.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
3 feet in the afternoon. Isolated showers in the morning.
.MONDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 3 feet. Isolated showers.
.TUESDAY...Northeast winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers in the morning.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers.
.WEDNESDAY...East winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 3 feet. Isolated showers.
.THURSDAY...East winds 15 knots. Wind waves 4 to 5 feet. Isolated
showers.

$$

PHZ113-211430-
Kauai Channel-
330 PM HST Sat Apr 20 2019

.TONIGHT...East winds 20 knots. Wind waves 6 feet. Isolated
showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Isolated
showers after midnight.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Isolated
showers through the day.
.MONDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 3 feet. Isolated showers.
.TUESDAY...Northeast winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers through the day.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers.
.THURSDAY...Northeast winds 15 knots. Wind waves 5 feet. Isolated
showers.

$$

PHZ114-211430-
Oahu Windward Waters-
330 PM HST Sat Apr 20 2019

.TONIGHT...East winds 20 knots. Wind waves 7 feet. Isolated
showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Scattered
showers after midnight.
.MONDAY...East winds 15 knots. Wind waves 6 feet. Isolated
showers.
.MONDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.TUESDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.WEDNESDAY...East winds 15 knots. Wind waves 6 feet. North swell
3 feet. Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers.

$$

PHZ115-211430-
Oahu Leeward Waters-
330 PM HST Sat Apr 20 2019

.TONIGHT...East winds 20 knots. Wind waves 7 feet. Isolated
showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 7 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
.MONDAY...East winds 15 knots. Wind waves 5 feet.
.MONDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
.TUESDAY...Northeast winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet in the afternoon.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet.
.WEDNESDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 3 feet.
.THURSDAY...Northeast winds 15 knots. Wind waves 4 to 5 feet.

$$

PHZ116-211430-
Kaiwi Channel-
330 PM HST Sat Apr 20 2019

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

.TONIGHT...East winds to 25 knots. Wind waves 8 feet. Isolated
showers after midnight.
.SUNDAY...East winds to 25 knots. Wind waves 8 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 7 feet. Scattered
showers after midnight.
.MONDAY...East winds 20 knots. Wind waves 6 feet. Isolated
showers.
.MONDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet after midnight. Isolated showers in the
evening. Scattered showers after midnight.
.TUESDAY...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 3 feet. Isolated showers.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers in the evening.
Scattered showers after midnight.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers.
.THURSDAY...Northeast winds 15 knots. Wind waves 5 to 6 feet.
Isolated showers.

$$

PHZ117-211430-
Maui County Windward Waters-
330 PM HST Sat Apr 20 2019

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

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

$$

PHZ118-211430-
Maui County Leeward Waters-
330 PM HST Sat Apr 20 2019

.TONIGHT...East winds 20 knots. Wind waves 7 feet.
.SUNDAY...East winds 20 knots. Wind waves 9 feet.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 7 feet. Isolated
showers after midnight.
.MONDAY...East winds 15 knots. Wind waves 6 feet.
.MONDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Isolated showers after midnight.
.TUESDAY...Northeast winds 15 knots. Wind waves 5 feet.
.TUESDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 3 feet. Isolated showers after midnight.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 3 feet.
.THURSDAY...East winds 10 knots. Wind waves 4 to 5 feet.

$$

PHZ119-211430-
Maalaea Bay-
330 PM HST Sat Apr 20 2019

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

.TONIGHT...North winds to 25 knots. Wind waves 3 feet.
.SUNDAY...North winds to 25 knots. Wind waves 3 feet.
.SUNDAY NIGHT...North 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.
.TUESDAY NIGHT...North winds to 25 knots. Wind waves 3 feet.
.WEDNESDAY...North winds to 25 knots. Wind waves 3 feet.
.THURSDAY...North winds 20 knots. Wind waves 3 feet.

$$

PHZ120-211430-
Pailolo Channel-
330 PM HST Sat Apr 20 2019

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

.TONIGHT...East winds to 25 knots. Wind waves 8 feet. Isolated
showers after midnight.
.SUNDAY...East winds to 25 knots. Wind waves 7 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Isolated showers after midnight.
.MONDAY...East winds to 25 knots. Wind waves 6 feet. Isolated
showers.
.MONDAY NIGHT...East winds to 25 knots. Wind waves 5 feet.
Isolated showers.
.TUESDAY...East winds to 25 knots. Wind waves 6 feet. Isolated
showers.
.TUESDAY NIGHT...East winds to 25 knots. Wind waves 5 feet.
Isolated showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 5 to 6 feet.
Isolated showers.
.THURSDAY...Northeast winds 20 knots. Wind waves 4 to 5 feet.
Isolated showers.

$$

PHZ121-211430-
Alenuihaha Channel-
330 PM HST Sat Apr 20 2019

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

.TONIGHT...East winds to 30 knots. Wind waves 9 feet. Northwest
swell 3 feet in the evening. Isolated showers after midnight.
.SUNDAY...East winds to 30 knots. Wind waves 9 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Isolated showers after midnight.
.MONDAY...East winds to 25 knots. Wind waves 7 feet. Isolated
showers.
.MONDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Isolated showers.
.TUESDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 3 feet in the afternoon. Isolated showers.
.TUESDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 3 feet. Isolated showers.
.THURSDAY...East winds 20 knots. Wind waves 5 to 6 feet. Isolated
showers.

$$

PHZ122-211430-
Big Island Windward Waters-
330 PM HST Sat Apr 20 2019

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

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

$$

PHZ123-211430-
Big Island Leeward Waters-
330 PM HST Sat Apr 20 2019

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

.TONIGHT...West of the Big Island, south winds 10 knots in the
evening becoming variable less than 10 knots. Near South Point,
east winds to 25 knots. Wind waves 8 feet.
.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.
.SUNDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
Isolated showers after midnight.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
Isolated showers in the morning.
.MONDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
Isolated showers.
.TUESDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
Isolated showers in the morning.
.TUESDAY 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 after midnight. Isolated showers.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
West swell 3 feet. Isolated showers.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 5 to 7 feet.
Isolated showers.

$$

PHZ124-211430-
Big Island Southeast Waters-
330 PM HST Sat Apr 20 2019

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

.TONIGHT...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 3 feet in the evening. Isolated showers after midnight.
.SUNDAY...East winds to 25 knots. Wind waves 8 feet. Isolated
showers in the morning.
.SUNDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Isolated showers after midnight.
.MONDAY...East winds to 25 knots. Wind waves 8 feet. Isolated
showers through the day.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Isolated showers.
.TUESDAY...East winds to 25 knots. Wind waves 8 feet. Isolated
showers through the day.
.TUESDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 3 feet after midnight. Isolated showers.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves 7 feet. West
swell 3 feet. Isolated showers.
.THURSDAY...East winds 20 knots. Wind waves 5 to 7 feet. Isolated
showers.

$$



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