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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

420
FZHW50 PHFO 211952
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
952 AM HST Tue Nov 21 2017

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

PHZ100-220830-
952 AM HST Tue Nov 21 2017

.Synopsis for Hawaiian coastal waters...
Winds will veer slightly to the northeast today as low pressure
northeast of the state weakens and moves farther away, while a
lingering north swell keeps seas elevated. 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.

$$

PHZ110-220830-
Kauai Northwest Waters-
952 AM HST Tue Nov 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

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

$$

PHZ111-220830-
Kauai Windward Waters-
952 AM HST Tue Nov 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...Northeast winds 15 knots. Wind waves 3 feet.
North swell 11 feet. Isolated showers.
.TONIGHT...Northeast winds 20 knots. Wind waves 5 feet. North
swell 9 feet. Isolated showers.
.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 13 feet. Scattered showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 7 feet. North
swell 13 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 feet. North
swell 8 to 10 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 6 to 7 feet. North
swell 7 to 8 feet. Scattered showers.

$$

PHZ112-220830-
Kauai Leeward Waters-
952 AM HST Tue Nov 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...Northeast winds 20 knots. Wind waves 4 feet.
North swell 11 feet. Isolated showers.
.TONIGHT...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. 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 7 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 20 knots. Wind waves 7 to 8 feet. North
swell 8 to 10 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. North swell
6 to 7 feet. Scattered showers.

$$

PHZ113-220830-
Kauai Channel-
952 AM HST Tue Nov 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...Northeast winds 15 knots. Wind waves 4 feet.
North swell 11 feet. Isolated showers through the day.
.TONIGHT...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 12 feet. Isolated showers in the evening, then
scattered showers after midnight.
.THURSDAY...Northeast winds to 25 knots. Wind waves 7 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.
.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 7 to 8 feet. Scattered showers.

$$

PHZ114-220830-
Oahu Windward Waters-
952 AM HST Tue Nov 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...Northeast winds 15 knots. Wind waves 3 feet.
North swell 11 feet. Isolated showers through the day.
.TONIGHT...Northeast winds 15 knots. Wind waves 4 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 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 7 feet. North
swell 13 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 feet. North
swell 8 to 10 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 6 to 7 feet. North
swell 7 to 8 feet. Scattered showers.

$$

PHZ115-220830-
Oahu Leeward Waters-
952 AM HST Tue Nov 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

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

$$

PHZ116-220830-
Kaiwi Channel-
952 AM HST Tue Nov 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...Northeast winds 15 knots. Wind waves 3 feet.
North swell 10 feet. Isolated showers late in the morning.
.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. North
swell 9 feet decreasing to 7 feet after midnight. 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 6 feet.
North swell 11 feet increasing to 13 feet after midnight.
Scattered showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 7 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 7 to 8 feet.
North swell 8 to 10 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 6 to 7 feet. North
swell 6 to 7 feet. Scattered showers.

$$

PHZ117-220830-
Maui County Windward Waters-
952 AM HST Tue Nov 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...Northeast winds 15 knots. Wind waves 3 feet.
North swell 10 feet. Isolated showers late in the morning.
.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. North
swell 9 feet decreasing to 7 feet after midnight. 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 6 feet.
North swell 11 feet increasing to 13 feet after midnight.
Scattered showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 6 feet. North
swell 13 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 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.

$$

PHZ118-220830-
Maui County Leeward Waters-
952 AM HST Tue Nov 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...Northeast winds 20 knots. Wind waves 3 feet.
North swell 9 feet.
.TONIGHT...Northeast winds 15 knots. Wind waves 3 feet. North
swell 7 feet.
.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 9 feet increasing to 11 feet after midnight.
Scattered showers in the evening. Isolated showers after
midnight.
.THURSDAY...Northeast winds to 25 knots. Wind waves 6 feet. North
swell 11 feet. Isolated showers through the day.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
North swell 10 feet. Isolated showers.
.FRIDAY...Northeast winds 20 knots. Wind waves 7 feet. North
swell 7 to 9 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. North swell
6 to 7 feet. Isolated showers.

$$

PHZ119-220830-
Maalaea Bay-
952 AM HST Tue Nov 21 2017

.REST OF TODAY...Northeast winds 20 knots. Wind waves 2 feet or
less.
.TONIGHT...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.

$$

PHZ120-220830-
Pailolo Channel-
952 AM HST Tue Nov 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...Northeast winds 15 knots. Wind waves 2 feet or
less. North swell 10 feet. Isolated showers late in the morning.
.TONIGHT...Northeast winds 15 knots. Wind waves 2 feet or less
then 3 feet after midnight. North swell 9 feet decreasing to
7 feet after midnight. Isolated showers in the evening. Scattered
showers after midnight.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 2 feet or less
then 3 feet in the afternoon. 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
6 feet. North swell 10 feet increasing to 12 feet after midnight.
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 12 feet decreasing to 10 feet after midnight.
Isolated showers.
.FRIDAY...Northeast winds to 25 knots. Wind waves 6 to 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.

$$

PHZ121-220830-
Alenuihaha Channel-
952 AM HST Tue Nov 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...Northeast winds 20 knots. Wind waves 4 feet.
North swell 10 feet. Isolated showers late in the morning.
.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. North
swell 9 feet decreasing to 7 feet after midnight. 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 8 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 9 feet.
North swell 11 feet. Isolated showers in the evening. Scattered
showers after midnight.
.FRIDAY...East winds to 25 knots. Wind waves 8 to 9 feet. North
swell 8 to 10 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 7 to 8 feet.
Northeast swell 6 to 7 feet. Isolated showers.

$$

PHZ122-220830-
Big Island Windward Waters-
952 AM HST Tue Nov 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...North winds 15 knots. Wind waves 3 feet. North
swell 10 feet. Isolated showers through the day.
.TONIGHT...North winds 15 knots. Wind waves 3 feet. North swell
9 feet decreasing to 7 feet after midnight. 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 5 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
7 to 8 feet. Scattered showers.

$$

PHZ123-220830-
Big Island Leeward Waters-
952 AM HST Tue Nov 21 2017

.REST OF TODAY...North winds 15 knots west of the Big Island...
variable less than 10 knots near South Point. Wind waves 4 feet.
North swell 7 feet. Haze.
.TONIGHT...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
6 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 9 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
9 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 8 to 9 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 feet. North swell 5 to
6 feet. Haze. Isolated showers.

$$

PHZ124-220830-
Big Island Southeast Waters-
952 AM HST Tue Nov 21 2017

.REST OF TODAY...Northeast winds 15 knots. Wind waves 2 feet or
less then 3 feet in the afternoon. North swell 9 feet. Haze
through the day.
.TONIGHT...Northeast winds 20 knots. Wind waves 4 feet. North
swell 7 feet. Haze. Isolated showers.
.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
7 feet. North swell 8 feet increasing to 11 feet after midnight.
Scattered showers.
.THURSDAY...Northeast winds to 30 knots. Wind waves 8 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
10 feet. Northeast swell 11 feet. Scattered showers.
.FRIDAY...Northeast winds to 25 knots. Wind waves 9 feet.
Northeast swell 8 to 10 feet. Scattered showers.
.SATURDAY...Northeast winds to 25 knots. Wind waves 8 to 9 feet.
Northeast swell 7 to 8 feet. Scattered showers.

$$

Bulletins, Forecasts and Observations are courtesy of Honolulu National Weather Service Forecast Office



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