Coastal Waters Forecast
Issued by NWS Honolulu, HI

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000
FZHW50 PHFO 210700
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
900 PM HST Mon Nov 20 2017

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

PHZ100-211930-
900 PM HST Mon Nov 20 2017

.Synopsis for Hawaiian coastal waters...
A surface low northeast of the state will maintain northerly
winds over the Hawaiian coastal waters overnight, while a
lingering north swell keeps seas elevated. Winds will veer
slightly to the northeast on Tuesday as the low weakens and moves
farther away. Strong high pressure will build northwest of the
area during the second half of the week, resulting in strong and
gusty northeast trade winds over the coastal waters. Another large
north swell is expected to move through the area beginning late
Wednesday and continuing through Thursday night.

$$

PHZ110-211930-
Kauai Northwest Waters-
900 PM HST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF TONIGHT...Northeast winds 15 knots. Wind waves 4 feet.
North swell 10 feet. Scattered showers.
.TUESDAY...Northeast winds 20 knots. Wind waves 4 feet. North
swell 10 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
North swell 8 feet. Isolated showers through the night.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 5 feet. North
swell 9 feet increasing to 11 feet in the afternoon. Scattered
showers in the morning, then isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
North swell 12 feet. Scattered showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 8 feet. North
swell 13 feet. Scattered showers in the morning.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
North swell 12 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...Northeast winds to 25 knots. Wind waves 8 feet. North
swell 8 to 10 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. North swell
6 to 8 feet. Scattered showers.

$$

PHZ111-211930-
Kauai Windward Waters-
900 PM HST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF TONIGHT...North winds 15 knots. Wind waves 4 feet. North
swell 10 feet. Scattered showers.
.TUESDAY...Northeast winds 15 knots. Wind waves 3 feet. North
swell 9 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
North swell 8 feet. Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 4 feet. North
swell 9 feet increasing to 11 feet in the afternoon. Scattered
showers in the morning, then isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
North swell 12 feet. Scattered showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 8 feet. North
swell 12 feet. Scattered showers in the morning.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
North swell 11 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...Northeast winds 20 knots. Wind waves 7 to 8 feet. North
swell 8 to 10 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. North swell
7 feet. Scattered showers.

$$

PHZ112-211930-
Kauai Leeward Waters-
900 PM HST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF TONIGHT...Northeast winds 20 knots. Wind waves 4 feet.
North swell 10 feet. Isolated showers.
.TUESDAY...Northeast winds 20 knots. Wind waves 4 feet. North
swell 9 feet. Isolated showers through the day.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
North swell 8 feet. Scattered showers through the night.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 5 feet. North
swell 8 feet increasing to 10 feet in the afternoon. Isolated
showers through the day.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
North swell 12 feet. Scattered showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 9 feet. North
swell 12 feet. Scattered showers in the morning.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 9 feet.
North swell 11 feet. Isolated showers through the night.
.FRIDAY...Northeast winds 20 knots. Wind waves 9 feet. North
swell 8 to 10 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 8 to 9 feet. North
swell 6 to 7 feet. Scattered showers.

$$

PHZ113-211930-
Kauai Channel-
900 PM HST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF TONIGHT...Northeast winds 20 knots. Wind waves 4 feet.
North swell 10 feet. Isolated showers early in the evening, then
scattered showers after midnight.
.TUESDAY...Northeast winds 15 knots. Wind waves 4 feet. North
swell 9 feet. Isolated showers in the morning.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
North swell 8 feet. Scattered showers in the evening, then
isolated showers after midnight.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 5 feet. North
swell 8 feet increasing to 10 feet in the afternoon. Isolated
showers through the day.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
North swell 11 feet. Isolated showers in the evening, then
scattered showers after midnight.
.THURSDAY...Northeast winds to 25 knots. Wind waves 9 feet. North
swell 12 feet. Scattered showers in the morning.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 9 feet.
North swell 11 feet. Isolated showers.
.FRIDAY...Northeast winds to 25 knots. Wind waves 9 feet. North
swell 8 to 10 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 8 feet. North
swell 6 to 7 feet. Scattered showers.

$$

PHZ114-211930-
Oahu Windward Waters-
900 PM HST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF TONIGHT...North winds 15 knots. Wind waves 4 feet. North
swell 10 feet. Scattered showers.
.TUESDAY...Northeast winds 15 knots. Wind waves 3 feet. North
swell 9 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
North swell 8 feet. Scattered showers in the evening, then
isolated showers after midnight.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 4 feet. North
swell 8 feet increasing to 10 feet in the afternoon. Scattered
showers in the morning, then isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
North swell 12 feet. Scattered showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 8 feet. North
swell 12 feet. Scattered showers in the morning.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
North swell 11 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...Northeast winds 20 knots. Wind waves 8 feet. North
swell 8 to 10 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 to 8 feet. North
swell 6 to 7 feet. Scattered showers.

$$

PHZ115-211930-
Oahu Leeward Waters-
900 PM HST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF TONIGHT...Northeast winds 15 knots. Wind waves 4 feet.
North swell 9 feet. Isolated showers.
.TUESDAY...Northeast winds 15 knots. Wind waves 3 feet. North
swell 8 feet. Isolated showers in the morning.
.TUESDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
North swell 7 feet. Isolated showers in the evening, then
scattered showers after midnight.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 4 feet. North
swell 7 feet increasing to 9 feet in the afternoon. Scattered
showers in the morning, then isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
North swell 10 feet. Isolated showers in the evening, then
scattered showers after midnight.
.THURSDAY...Northeast winds to 25 knots. Wind waves 8 feet. North
swell 11 feet. Scattered showers in the morning.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 9 feet.
North swell 10 feet. Isolated showers.
.FRIDAY...Northeast winds to 25 knots. Wind waves 8 feet. North
swell 8 to 10 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 7 to 8 feet. North
swell 6 to 7 feet. Isolated showers.

$$

PHZ116-211930-
Kaiwi Channel-
900 PM HST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF TONIGHT...Northeast winds 15 knots. Wind waves 3 feet.
North swell 10 feet. Isolated showers early in the evening, then
scattered showers after midnight.
.TUESDAY...Northeast winds 15 knots. Wind waves 3 feet. North
swell 9 feet. Isolated showers in the morning.
.TUESDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
North swell 7 feet. Isolated showers in the evening, then
scattered showers after midnight.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 4 feet. North
swell 8 feet increasing to 10 feet in the afternoon. Scattered
showers in the morning, then isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
North swell 11 feet. Scattered showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 8 feet. North
swell 12 feet. Scattered showers in the morning.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
North swell 11 feet. Isolated showers through the night.
.FRIDAY...Northeast winds to 25 knots. Wind waves 8 feet. North
swell 8 to 10 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 7 feet. North
swell 6 to 7 feet. Scattered showers.

$$

PHZ117-211930-
Maui County Windward Waters-
900 PM HST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF TONIGHT...North winds 15 knots. Wind waves 3 feet. North
swell 10 feet. Scattered showers.
.TUESDAY...North winds 15 knots. Wind waves 3 feet. North swell
9 feet. Isolated showers in the morning.
.TUESDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
North swell 7 feet. Isolated showers in the evening, then
scattered showers after midnight.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 4 feet. North
swell 8 feet increasing to 10 feet in the afternoon. Scattered
showers in the morning, then isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
North swell 11 feet. Scattered showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 7 feet. North
swell 12 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
North swell 11 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 7 feet. North swell
8 to 10 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. North swell
6 to 7 feet. Scattered showers.

$$

PHZ118-211930-
Maui County Leeward Waters-
900 PM HST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF TONIGHT...Northeast winds 15 knots. Wind waves 3 feet.
North swell 10 feet. Isolated showers.
.TUESDAY...Northeast winds 20 knots. Wind waves 3 feet. North
swell 10 feet decreasing to 7 feet in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
North swell 7 feet. Isolated showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 3 feet. North
swell 7 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
North swell 10 feet. Scattered showers in the evening. Isolated
showers after midnight.
.THURSDAY...Northeast winds to 25 knots. Wind waves 7 feet. North
swell 11 feet. Isolated showers through the day.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
North swell 10 feet. Isolated showers.
.FRIDAY...Northeast winds 20 knots. Wind waves 8 feet. North
swell 7 to 9 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. North swell
6 to 7 feet. Isolated showers.

$$

PHZ119-211930-
Maalaea Bay-
900 PM HST Mon Nov 20 2017

.REST OF TONIGHT...Northeast winds 15 knots. Wind waves 2 feet or
less.
.TUESDAY...Northeast winds 20 knots. Wind waves 2 feet or less.
.TUESDAY NIGHT...Northeast winds 15 knots. Wind waves 2 feet or
less.
.WEDNESDAY...North winds 15 knots. Wind waves 2 feet or less.
Isolated showers.
.WEDNESDAY NIGHT...North winds to 25 knots. Wind waves 2 feet or
less.
.THURSDAY...North winds to 30 knots. Wind waves 2 feet or less
then 3 feet in the afternoon.
.THURSDAY NIGHT...North winds to 30 knots. Wind waves 3 feet.
.FRIDAY...North winds to 25 knots. Wind waves 3 feet.
.SATURDAY...Northeast winds to 25 knots. Wind waves 3 feet.

$$

PHZ120-211930-
Pailolo Channel-
900 PM HST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF TONIGHT...North winds 15 knots. Wind waves 3 feet. North
swell 9 feet. Isolated showers through the night.
.TUESDAY...Northeast winds 15 knots. Wind waves 3 feet in the
morning then 2 feet or less. North swell 8 feet. Isolated showers
in the morning.
.TUESDAY NIGHT...Northeast winds 15 knots. Wind waves 3 feet.
North swell 7 feet. Isolated showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 3 feet. North
swell 7 feet increasing to 9 feet in the afternoon. Scattered
showers in the morning, then isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds to 25 knots. Wind waves
4 feet. North swell 11 feet. Isolated showers.
.THURSDAY...Northeast winds to 30 knots. Wind waves 7 feet. North
swell 12 feet. Isolated showers through the day.
.THURSDAY NIGHT...Northeast winds to 30 knots. Wind waves 7 feet.
North swell 11 feet. Isolated showers.
.FRIDAY...Northeast winds to 25 knots. Wind waves 7 feet.
Northeast swell 8 to 10 feet. Isolated showers.
.SATURDAY...Northeast winds to 25 knots. Wind waves 6 feet.
Northeast swell 6 to 7 feet. Isolated showers.

$$

PHZ121-211930-
Alenuihaha Channel-
900 PM HST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF TONIGHT...Northeast winds 15 knots. Wind waves 3 feet.
North swell 10 feet. Isolated showers early in the evening.
Scattered showers after midnight.
.TUESDAY...Northeast winds 20 knots. Wind waves 4 feet. North
swell 9 feet. Isolated showers in the morning.
.TUESDAY NIGHT...Northeast winds 15 knots. Wind waves 4 feet.
North swell 7 feet. Isolated showers.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 4 feet. North
swell 7 feet. Scattered showers through the day.
.WEDNESDAY NIGHT...Northeast winds to 25 knots. Wind waves
6 feet. North swell 10 feet increasing to 12 feet after midnight.
Isolated showers.
.THURSDAY...Northeast winds to 30 knots. Wind waves 9 feet. North
swell 12 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...Northeast winds to 30 knots. Wind waves
11 feet. North swell 11 feet. Isolated showers in the evening.
Scattered showers after midnight.
.FRIDAY...East winds to 25 knots. Wind waves 11 feet. North swell
8 to 10 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 8 to 9 feet.
Northeast swell 6 to 7 feet. Isolated showers.

$$

PHZ122-211930-
Big Island Windward Waters-
900 PM HST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.REST OF TONIGHT...North winds 10 knots. Wind waves 3 feet. North
swell 10 feet. Isolated showers early in the evening, then
scattered showers after midnight.
.TUESDAY...North winds 15 knots. Wind waves 3 feet. North swell
9 feet. Isolated showers in the morning.
.TUESDAY NIGHT...North winds 15 knots. Wind waves 3 feet. North
swell 7 feet. Isolated showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 3 feet. North
swell 7 feet. Isolated showers.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 4 feet.
North swell 10 feet increasing to 12 feet after midnight.
Scattered showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 6 feet. North
swell 12 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
North swell 11 feet. Scattered showers.
.FRIDAY...Northeast winds to 25 knots. Wind waves 6 to 7 feet.
North swell 8 to 10 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. North swell
6 to 8 feet. Scattered showers.

$$

PHZ123-211930-
Big Island Leeward Waters-
900 PM HST Mon Nov 20 2017

.REST OF TONIGHT...Northeast winds 10 knots. Wind waves 3 feet
early in the evening then 2 feet or less. North swell 6 feet.
Haze through the night. Isolated showers after midnight.
.TUESDAY...North winds 15 knots west of the Big Island...variable
less than 10 knots near South Point. Wind waves 4 feet. North
swell 6 feet. Haze.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 4 feet. North
swell 6 feet. Haze.
.WEDNESDAY...West of the Big Island, north winds 10 knots backing
west in the afternoon. Near Kawaihae, northeast winds 20 knots.
Wind waves 4 feet. North swell 5 feet. Haze.
.WEDNESDAY NIGHT...Northeast winds 10 knots west of the Big
Island...northeast to 25 knots near South Point. Wind waves
5 feet. North swell 7 feet. Haze through the night. Isolated
showers through the night.
.THURSDAY...West of the Big Island, east winds 15 knots veering
southwest in the afternoon. Near South Point, northeast winds to
30 knots. Wind waves 8 feet. North swell 8 feet. Haze through the
day. Isolated showers through the day.
.THURSDAY NIGHT...Northeast winds 10 knots west of the Big
Island...northeast to 30 knots near South Point. Wind waves
11 feet. North swell 8 feet. Haze through the night. Isolated
showers through the night.
.FRIDAY...West of the Big Island, east winds 15 knots veering
southwest in the afternoon, then backing east. Near South Point,
east winds to 25 knots. Wind waves 9 to 10 feet. North swell 6 to
8 feet. Haze. Isolated showers.
.SATURDAY...West of the Big Island, east winds 10 knots veering
southwest in the afternoon, then backing east. Near South Point,
east winds to 25 knots. Wind waves 8 to 9 feet. North swell 5 to
6 feet. Haze. Isolated showers.

$$

PHZ124-211930-
Big Island Southeast Waters-
900 PM HST Mon Nov 20 2017

.REST OF TONIGHT...North winds 10 knots. Wind waves 3 feet. North
swell 8 feet. Haze. Isolated showers.
.TUESDAY...Northeast winds 15 knots. Wind waves 3 feet. North
swell 7 feet. Isolated showers in the morning. Haze through the
day.
.TUESDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
North swell 7 feet. Isolated showers in the evening. Haze through
the night.
.WEDNESDAY...Northeast winds 20 knots. Wind waves 5 feet. North
swell 7 feet. Isolated showers in the morning. Haze through the
day.
.WEDNESDAY NIGHT...Northeast winds to 25 knots. Wind waves
5 feet. North swell 8 feet increasing to 10 feet after midnight.
Scattered showers.
.THURSDAY...Northeast winds to 30 knots. Wind waves 6 feet
increasing to 11 feet in the afternoon. North swell 11 feet.
Scattered showers in the morning, then isolated showers in the
afternoon.
.THURSDAY NIGHT...Northeast winds to 30 knots. Wind waves
13 feet. Northeast swell 11 feet. Scattered showers.
.FRIDAY...Northeast winds to 25 knots. Wind waves 11 to 12 feet.
Northeast swell 8 to 10 feet. Scattered showers.
.SATURDAY...Northeast winds to 25 knots. Wind waves 10 feet.
Northeast swell 6 to 8 feet. Scattered showers.

$$



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