Coastal Waters Forecast
Issued by NWS Honolulu, HI

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000
FZHW50 PHFO 230723
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
923 PM HST Sun Apr 22 2018

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

PHZ100-232030-
923 PM HST Sun Apr 22 2018

.Synopsis for Hawaiian coastal waters...
Strong high pressure will hold north of the waters through
midweek, then weaken through the second half as a front
approaches and moves into the area.

$$

PHZ110-232030-
Kauai Northwest Waters-
923 PM HST Sun Apr 22 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH
EARLY WEDNESDAY MORNING...

.REST OF TONIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 6 feet. Isolated showers after midnight.
.MONDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
5 feet. Isolated showers in the morning, then scattered showers
in the afternoon.
.MONDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet. Isolated showers in the evening, then
scattered showers after midnight.
.TUESDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Scattered showers.
.TUESDAY NIGHT...East winds to 25 knots. Wind waves 7 feet. North
swell 4 feet. Isolated showers in the evening, then scattered
showers after midnight.
.WEDNESDAY...East winds 20 knots. Wind waves 7 feet. North swell
3 feet. Scattered showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 3 feet. Scattered showers.
.THURSDAY...East winds 10 knots. Wind waves 5 to 6 feet.
Northwest swell 4 to 6 feet. Scattered showers.
.FRIDAY...Winds variable less than 10 knots becoming north
10 knots in the afternoon, then rising to 20 knots. Wind waves
2 feet or less. Northwest swell 5 to 7 feet. Scattered showers.

$$

PHZ111-232030-
Kauai Windward Waters-
923 PM HST Sun Apr 22 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH
EARLY WEDNESDAY MORNING...

.REST OF TONIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 6 feet. Isolated showers after midnight.
.MONDAY...Northeast winds 20 knots. Wind waves 7 feet. Northwest
swell 5 feet. Isolated showers in the morning, then scattered
showers in the afternoon.
.MONDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet. Isolated showers in the evening, then
scattered showers after midnight.
.TUESDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Scattered showers.
.TUESDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 4 feet. Isolated showers in the evening, then
scattered showers after midnight.
.WEDNESDAY...East winds 20 knots. Wind waves 7 feet. North swell
4 feet. Scattered showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 3 feet. Scattered showers.
.THURSDAY...East winds 10 knots. Wind waves 5 to 6 feet.
Northwest swell 4 to 6 feet. Scattered showers.
.FRIDAY...Southeast winds 10 knots veering northwest in the
afternoon, then becoming north 20 knots. Wind waves 2 feet or
less. Northwest swell 5 to 7 feet. Scattered showers.

$$

PHZ112-232030-
Kauai Leeward Waters-
923 PM HST Sun Apr 22 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH
EARLY WEDNESDAY MORNING...

.REST OF TONIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 6 feet. Isolated showers after midnight.
.MONDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 6 feet. Isolated showers through the day.
.MONDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet. Isolated showers in the evening, then
scattered showers after midnight.
.TUESDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.TUESDAY NIGHT...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. North swell
3 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. Isolated showers in the evening, then
scattered showers after midnight.
.THURSDAY...East winds 10 knots. Wind waves 5 feet. Northwest
swell 4 to 6 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots becoming north
10 knots in the afternoon, then rising to 20 knots. Wind waves
2 feet or less. Northwest swell 5 to 6 feet. Scattered showers.

$$

PHZ113-232030-
Kauai Channel-
923 PM HST Sun Apr 22 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH
EARLY WEDNESDAY MORNING...

.REST OF TONIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 6 feet. Isolated showers after midnight.
.MONDAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet. Isolated showers through the day.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet. Isolated showers.
.TUESDAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 4 feet. Isolated showers.
.TUESDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 4 feet. Isolated showers through the night.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 7 feet. North
swell 4 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet. North
swell 3 feet. Isolated showers.
.THURSDAY...East winds 10 knots. Wind waves 5 to 6 feet.
Northwest swell 3 to 5 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots becoming north
15 knots. Wind waves 2 feet or less. Northwest swell 5 feet.
Scattered showers.

$$

PHZ114-232030-
Oahu Windward Waters-
923 PM HST Sun Apr 22 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH
EARLY WEDNESDAY MORNING...

.REST OF TONIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 6 feet. Isolated showers after midnight.
.MONDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
6 feet. Isolated showers in the morning, then scattered showers
in the afternoon.
.MONDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 5 feet. Isolated showers in the evening, then
scattered showers after midnight.
.TUESDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Scattered showers.
.TUESDAY NIGHT...East winds to 25 knots. Wind waves 7 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.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 3 feet. Scattered showers.
.THURSDAY...East winds 10 knots. Wind waves 5 to 6 feet.
Northwest swell 3 to 5 feet. Scattered showers.
.FRIDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots, then becoming north 15 knots. Wind
waves 3 to 4 feet. Northwest swell 5 feet. Scattered showers.

$$

PHZ115-232030-
Oahu Leeward Waters-
923 PM HST Sun Apr 22 2018

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

.REST OF TONIGHT...Northeast winds to 25 knots. Wind waves
8 feet. Northwest swell 5 feet.
.MONDAY...Northeast winds 20 knots. Wind waves 7 feet. Northwest
swell 5 feet. Isolated showers in the afternoon.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 4 feet. Isolated showers through the night.
.TUESDAY...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 4 feet. Isolated showers.
.TUESDAY NIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 4 feet. Isolated showers after midnight.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers.
.THURSDAY...East winds 10 knots. Wind waves 4 to 5 feet.
Northwest swell 3 to 5 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots becoming northwest
10 knots in the evening, then becoming north 20 knots after
midnight. Wind waves 2 feet or less. Northwest swell 5 feet.
Scattered showers.

$$

PHZ116-232030-
Kaiwi Channel-
923 PM HST Sun Apr 22 2018

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

.REST OF TONIGHT...Northeast winds to 25 knots. Wind waves
7 feet. Northwest swell 5 feet. Isolated showers after midnight.
.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 8 feet.
Northwest swell 5 feet. Isolated showers in the evening, then
scattered showers after midnight.
.TUESDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Scattered showers.
.TUESDAY NIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 4 feet. Isolated showers in the evening, then
scattered showers after midnight.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 7 feet. North
swell 4 feet. Scattered showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet. North
swell 3 feet. Scattered showers.
.THURSDAY...East winds 10 knots. Wind waves 5 to 6 feet.
Northwest swell 3 to 5 feet. Isolated showers.
.FRIDAY...East winds 10 knots in the morning becoming variable
less than 10 knots, then becoming northwest 10 knots in the
evening veering north. Wind waves 3 to 4 feet. Northwest swell
5 feet. Scattered showers.

$$

PHZ117-232030-
Maui County Windward Waters-
923 PM HST Sun Apr 22 2018

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

.REST OF TONIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 5 feet. 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 8 feet.
Northwest swell 5 feet. Scattered showers.
.TUESDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 4 feet. Scattered showers.
.TUESDAY NIGHT...East winds to 25 knots. Wind waves 7 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.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 4 feet. Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 5 to 6 feet.
Northwest swell 3 to 5 feet. Scattered showers.
.FRIDAY...Southeast winds 10 knots veering west in the evening,
then veering north after midnight. Wind waves 5 to 7 feet.
Northwest swell 5 feet. Scattered showers.

$$

PHZ118-232030-
Maui County Leeward Waters-
923 PM HST Sun Apr 22 2018

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

.REST OF TONIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 4 feet.
.MONDAY...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 4 feet. Isolated showers in the afternoon.
.MONDAY NIGHT...Northeast winds to 25 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers.
.TUESDAY...Northeast winds to 25 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers through the day.
.TUESDAY NIGHT...Northeast winds to 25 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers after midnight.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 6 feet. North
swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...Northeast winds 15 knots. Wind waves 6 feet.
North swell 3 feet. Isolated showers.
.THURSDAY...East winds 10 knots. Wind waves 4 to 5 feet.
Northwest swell 3 to 4 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots becoming north
15 knots after midnight. Wind waves 2 feet or less. Northwest
swell 4 feet. Isolated showers.

$$

PHZ119-232030-
Maalaea Bay-
923 PM HST Sun Apr 22 2018

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

.REST OF TONIGHT...Northeast winds to 25 knots. Wind waves
3 feet.
.MONDAY...Northeast winds to 25 knots. Wind waves 3 feet.
.MONDAY NIGHT...Northeast winds 20 knots veering east after
midnight. Wind waves 2 feet or less.
.TUESDAY...East winds to 25 knots. Wind waves 2 feet or less.
Isolated showers in the afternoon.
.TUESDAY NIGHT...Northeast winds to 25 knots. Wind waves 2 feet
or less.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 2 feet or
less.
.THURSDAY...Southeast winds 20 knots backing northeast in the
evening, then becoming variable less than 10 knots after
midnight. Wind waves 2 feet or less.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated showers.

$$

PHZ120-232030-
Pailolo Channel-
923 PM HST Sun Apr 22 2018

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

.REST OF TONIGHT...Northeast winds to 25 knots. Wind waves
7 feet. Northwest swell 4 feet. Isolated showers after midnight.
.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 7 feet.
Northwest swell 4 feet. Isolated showers.
.TUESDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 3 feet. Isolated showers through the day.
.TUESDAY NIGHT...Northeast winds to 25 knots. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 6 feet. North
swell 4 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet. North
swell 3 feet. Isolated showers.
.THURSDAY...East winds 10 knots. Wind waves 5 feet. Northwest
swell 3 to 4 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots becoming north
10 knots after midnight. Wind waves 3 feet. Northwest swell
4 feet. Isolated showers.

$$

PHZ121-232030-
Alenuihaha Channel-
923 PM HST Sun Apr 22 2018

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

.REST OF TONIGHT...Northeast winds to 30 knots. Wind waves
9 feet. Northwest swell 5 feet. Haze after midnight. Scattered
showers after midnight.
.MONDAY...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 6 feet. Haze through the day. Scattered showers
in the morning. Isolated showers in the afternoon.
.MONDAY NIGHT...East winds to 30 knots. Wind waves 8 feet.
Northwest swell 5 feet. Haze. Isolated showers.
.TUESDAY...East winds to 30 knots. Wind waves 8 feet. Northwest
swell 4 feet. Haze through the day. Isolated showers through the
day.
.TUESDAY NIGHT...Northeast winds to 30 knots. Wind waves 8 feet.
Northwest swell 4 feet. Haze. Isolated showers.
.WEDNESDAY...Northeast winds to 25 knots. Wind waves 8 feet.
North swell 4 feet. Haze. Isolated showers.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
North swell 4 feet. Haze. Isolated showers.
.THURSDAY...East winds to 25 knots easing to 15 knots. Wind waves
6 to 7 feet. Northwest swell 3 to 5 feet. Haze. Isolated showers.
.FRIDAY...East winds 10 knots becoming variable less than
10 knots, then becoming north 10 knots after midnight. Wind waves
5 to 7 feet. Northwest swell 5 feet. Haze. Isolated showers.

$$

PHZ122-232030-
Big Island Windward Waters-
923 PM HST Sun Apr 22 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH
EARLY WEDNESDAY MORNING...

.REST OF TONIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers late in the evening,
then scattered showers after midnight.
.MONDAY...Northeast winds 20 knots. Wind waves 6 feet. Northwest
swell 6 feet. Scattered showers.
.MONDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Northwest swell 5 feet. Scattered showers in the evening, then
showers likely after midnight.
.TUESDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 5 feet. Showers likely in the morning, then scattered
showers in the afternoon.
.TUESDAY NIGHT...East winds to 25 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 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 10 knots. Wind waves 5 feet. Northwest
swell 3 to 5 feet. Scattered showers.
.FRIDAY...Southeast winds 10 knots becoming variable less than
10 knots. Wind waves 5 to 7 feet. Northwest swell 5 feet.
Scattered showers.

$$

PHZ123-232030-
Big Island Leeward Waters-
923 PM HST Sun Apr 22 2018

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

.REST OF TONIGHT...West of the Big Island, northwest winds
10 knots late 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 after midnight. 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 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 8 feet.
Northwest swell 3 feet. Haze. Isolated showers.
.TUESDAY 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 3 feet. Haze through the night. Isolated
showers through the night.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 8 feet.
Northwest swell 3 feet in the morning. 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 15 knots near South Point. Wind waves 6 to 7 feet.
Northwest swell 3 feet. Haze. Isolated showers.
.FRIDAY...West of the Big Island, winds variable less than
10 knots. Near South Point, east winds 10 knots becoming variable
less than 10 knots. Wind waves 7 to 9 feet. Northwest swell 3 to
4 feet. Haze. Isolated showers.

$$

PHZ124-232030-
Big Island Southeast Waters-
923 PM HST Sun Apr 22 2018

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

.REST OF TONIGHT...Northeast winds to 25 knots. Wind waves
8 feet. Northwest swell 3 feet. Isolated showers late in the
evening, then scattered showers after midnight.
.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 8 feet.
Northwest swell 3 feet. Scattered showers.
.TUESDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 8 feet.
Northwest swell 3 feet. Scattered showers.
.WEDNESDAY NIGHT...Northeast winds to 25 knots. Wind waves
8 feet. North swell 3 feet. Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 6 to 7 feet. North
swell 3 to 4 feet. Scattered showers.
.FRIDAY...East winds 10 knots becoming variable less than
10 knots. Wind waves 7 to 9 feet. Northwest swell 4 feet.
Scattered showers.

$$


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