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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

222
FZHW50 PHFO 151323
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
323 AM HST Fri Jan 15 2021

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

PHZ100-160230-
323 AM HST Fri Jan 15 2021

.Synopsis for Hawaiian coastal waters...
Two cold fronts will move into Hawaiian waters over the next
several days. Winds will veer from the southeast and weaken
today ahead of a cold front approaching from the northwest.
Another stronger front is forecast to move down the island chain
from the northwest Sunday through Monday, bringing strong
northerly winds to the western half of the state.

$$

PHZ110-160230-
Kauai Northwest Waters-
323 AM HST Fri Jan 15 2021

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

.TODAY...Southwest winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 4 feet. North swell
9 feet and north 6 to 7 feet. Isolated showers.
.TONIGHT...Winds variable less than 10 knots becoming northeast
10 knots after midnight. Wind waves 3 feet. Northwest swell
11 feet and southwest 5 feet increasing to 20 feet after
midnight. Scattered showers.
.SATURDAY...East winds 10 knots. Wind waves 4 feet. Northwest
swell 21 feet. Isolated showers.
.SATURDAY NIGHT...South winds 10 knots. Wind waves 4 feet.
Northwest swell 17 feet decreasing to 14 feet after midnight.
Showers likely.
.SUNDAY...Southwest winds 15 knots veering west in the afternoon.
Wind waves 5 feet. Northwest swell 12 feet decreasing to 10 feet
in the afternoon. Occasional heavy showers and slight chance of
thunderstorms.
.SUNDAY NIGHT...North winds to 25 knots. Wind waves 9 feet.
Northwest swell 13 feet increasing to 17 feet after midnight.
Occasional heavy showers and slight chance of thunderstorms.
.MONDAY...North winds 20 knots. Wind waves 8 to 9 feet. Northwest
swell 15 to 17 feet. Scattered showers.
.TUESDAY...North winds 15 knots. Wind waves 5 to 7 feet. North
swell 11 to 13 feet. Scattered showers.

$$

PHZ111-160230-
Kauai Windward Waters-
323 AM HST Fri Jan 15 2021

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

.TODAY...Southwest winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 4 feet. North swell
11 feet decreasing to 9 feet in the afternoon. Swell north 7 to
8 feet. Isolated showers in the afternoon.
.TONIGHT...Winds variable less than 10 knots becoming northeast
10 knots after midnight. Wind waves 3 feet. Mixed swell northwest
9 feet and southwest 5 feet increasing to 19 feet after midnight.
Scattered showers.
.SATURDAY...East winds 10 knots. Wind waves 4 feet. Northwest
swell 21 feet decreasing to 19 feet in the afternoon. Isolated
showers.
.SATURDAY NIGHT...Southeast winds 10 knots. Wind waves 4 feet.
Northwest swell 16 feet decreasing to 14 feet after midnight.
Scattered showers.
.SUNDAY...Southwest winds 10 knots becoming west 20 knots in the
afternoon. Wind waves 5 feet. Northwest swell 12 feet decreasing
to 10 feet in the afternoon. Occasional heavy showers and slight
chance of thunderstorms.
.SUNDAY NIGHT...North winds to 25 knots. Wind waves 8 feet.
Northwest swell 13 feet increasing to 16 feet after midnight.
Occasional heavy showers and slight chance of thunderstorms.
.MONDAY...North winds 10 knots. Wind waves 8 feet. Northwest
swell 15 to 17 feet. Scattered showers.
.TUESDAY...Northwest winds 10 knots. Wind waves 4 to 6 feet.
North swell 11 to 13 feet. Scattered showers.

$$

PHZ112-160230-
Kauai Leeward Waters-
323 AM HST Fri Jan 15 2021

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

.TODAY...South winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 3 feet. North swell 9 feet and
north 7 to 8 feet. Isolated showers.
.TONIGHT...Winds variable less than 10 knots becoming northeast
10 knots after midnight. Wind waves 3 feet. Northwest swell
10 feet and southwest 5 feet increasing to 18 feet after
midnight. Isolated showers in the evening, then scattered showers
after midnight.
.SATURDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 19 feet. Isolated showers.
.SATURDAY NIGHT...South winds 10 knots. Wind waves 3 feet.
Northwest swell 15 feet. Scattered showers.
.SUNDAY...Southwest winds 10 knots. Wind waves 4 feet. Northwest
swell 13 feet decreasing to 11 feet in the afternoon. Occasional
heavy showers and slight chance of thunderstorms.
.SUNDAY NIGHT...North winds to 30 knots. Wind waves 10 feet.
Northwest swell 13 feet increasing to 16 feet after midnight.
Occasional heavy showers and slight chance of thunderstorms.
.MONDAY...North winds 20 knots. Wind waves 9 feet. Northwest
swell 15 to 17 feet. Scattered showers.
.TUESDAY...North winds 15 knots. Wind waves 4 to 6 feet. North
swell 11 to 13 feet. Scattered showers.

$$

PHZ113-160230-
Kauai Channel-
323 AM HST Fri Jan 15 2021

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

.TODAY...Winds variable less than 10 knots. Wind waves 3 feet.
North swell 11 feet decreasing to 9 feet in the afternoon. Swell
north 6 to 7 feet. Isolated showers.
.TONIGHT...Northeast winds 10 knots. Wind waves 3 feet. Mixed
swell northwest 9 feet and southwest 5 feet increasing to 16 feet
after midnight. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 19 feet. Isolated showers through the day.
.SATURDAY NIGHT...South winds 10 knots. Wind waves 3 feet.
Northwest swell 16 feet decreasing to 14 feet after midnight.
Scattered showers.
.SUNDAY...Southwest winds 10 knots rising to 20 knots in the
afternoon. Wind waves 5 feet. Northwest swell 12 feet decreasing
to 10 feet in the afternoon. Heavy showers likely and slight
chance of thunderstorms.
.SUNDAY NIGHT...North winds 20 knots. Wind waves 7 feet.
Northwest swell 9 feet increasing to 13 feet after midnight.
Occasional heavy showers and slight chance of thunderstorms.
.MONDAY...North winds 15 knots. Wind waves 7 to 8 feet. Northwest
swell 13 to 15 feet. Scattered showers.
.TUESDAY...North winds 10 knots. Wind waves 4 to 6 feet. North
swell 11 to 13 feet. Scattered showers.

$$

PHZ114-160230-
Oahu Windward Waters-
323 AM HST Fri Jan 15 2021

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

.TODAY...Winds variable less than 10 knots becoming north
10 knots in the afternoon. Wind waves 4 feet. North swell 10 feet
and north 8 feet. Isolated showers in the afternoon.
.TONIGHT...East winds 10 knots. Wind waves 4 feet. Mixed swell
northwest 10 feet and southwest 6 feet increasing to 16 feet
after midnight. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 20 feet. Isolated showers.
.SATURDAY NIGHT...Southeast winds 10 knots. Wind waves 5 feet.
Northwest swell 17 feet decreasing to 15 feet after midnight.
Scattered showers.
.SUNDAY...Southwest winds 10 knots rising to 20 knots in the
afternoon. Wind waves 5 feet. Northwest swell 13 feet. Scattered
showers and slight chance of thunderstorms.
.SUNDAY NIGHT...Northwest winds 15 knots becoming north to
25 knots after midnight. Wind waves 7 feet. Northwest swell
12 feet increasing to 14 feet after midnight. Occasional heavy
showers and slight chance of thunderstorms.
.MONDAY...North winds 15 knots. Wind waves 7 to 8 feet. Northwest
swell 14 to 16 feet. Scattered showers and slight chance of
thunderstorms.
.TUESDAY...North winds 10 knots becoming variable less than
10 knots. Wind waves 4 to 5 feet. North swell 11 to 13 feet.
Scattered showers.

$$

PHZ115-160230-
Oahu Leeward Waters-
323 AM HST Fri Jan 15 2021

.TODAY...Winds variable less than 10 knots becoming north
10 knots in the afternoon. Wind waves 3 feet. Northwest swell
10 feet decreasing to 8 feet in the afternoon. Swell north 6 to
7 feet. Isolated showers.
.TONIGHT...Northeast winds 15 knots. Wind waves 3 feet. Mixed
swell northwest 8 feet and southwest 5 feet increasing to 13 feet
after midnight. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 3 feet. Northwest
swell 18 feet. Isolated showers.
.SATURDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 15 feet decreasing to 13 feet after
midnight. Scattered showers.
.SUNDAY...Southwest winds 10 knots. Wind waves 4 feet. Northwest
swell 11 feet decreasing to 9 feet in the afternoon. Scattered
showers.
.SUNDAY NIGHT...West winds 15 knots veering north after midnight.
Wind waves 5 feet. Northwest swell 8 feet increasing to 10 feet
after midnight. Occasional heavy showers and slight chance of
thunderstorms.
.MONDAY...North winds 15 knots. Wind waves 6 to 8 feet. Northwest
swell 11 to 13 feet. Heavy showers likely and slight chance of
thunderstorms.
.TUESDAY...North winds 10 knots becoming variable less than
10 knots. Wind waves 4 to 6 feet. North swell 10 to 12 feet.
Scattered showers.

$$

PHZ116-160230-
Kaiwi Channel-
323 AM HST Fri Jan 15 2021

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

.TODAY...Winds variable less than 10 knots becoming northeast
15 knots in the afternoon. Wind waves 4 feet. North swell 10 feet
and north 7 to 8 feet.
.TONIGHT...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell north 8 feet and southwest 6 feet increasing to northwest
12 feet after midnight. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 18 feet. Isolated showers through the day.
.SATURDAY NIGHT...East winds 10 knots veering south after
midnight. Wind waves 5 feet. Northwest swell 17 feet decreasing
to 15 feet after midnight. Scattered showers.
.SUNDAY...Southwest winds 10 knots. Wind waves 4 feet. Northwest
swell 11 feet. Scattered showers.
.SUNDAY NIGHT...Southwest winds 10 knots becoming north 20 knots
after midnight. Wind waves 5 feet. Northwest swell 9 feet.
Occasional heavy showers and slight chance of thunderstorms.
.MONDAY...North winds 15 knots. Wind waves 5 feet. Northwest
swell 12 to 14 feet. Heavy showers likely and slight chance of
thunderstorms.
.TUESDAY...North winds 10 knots becoming variable less than
10 knots. Wind waves 4 feet. North swell 11 to 13 feet. Scattered
showers.

$$

PHZ117-160230-
Maui County Windward Waters-
323 AM HST Fri Jan 15 2021

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

.TODAY...Southeast winds 15 knots. Wind waves 6 feet. North swell
12 feet decreasing to 10 feet in the afternoon. Swell north
8 feet. Isolated showers in the morning.
.TONIGHT...East winds 15 knots. Wind waves 4 feet. North swell
9 feet and west 7 feet increasing to northwest 12 feet after
midnight. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 19 feet. Isolated showers.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves 6 feet.
Northwest swell 18 feet decreasing to 15 feet after midnight.
Scattered showers.
.SUNDAY...South winds 15 knots. Wind waves 5 feet. Northwest
swell 13 feet decreasing to 11 feet in the afternoon. Scattered
showers.
.SUNDAY NIGHT...Southwest winds 15 knots veering northwest after
midnight. Wind waves 5 feet. Northwest swell 10 feet. Occasional
heavy showers and slight chance of thunderstorms.
.MONDAY...North winds 15 knots. Wind waves 5 feet. Northwest
swell 12 to 14 feet. Occasional heavy showers and slight chance
of thunderstorms.
.TUESDAY...North winds 10 knots becoming variable less than
10 knots. Wind waves 4 feet. North swell 11 to 13 feet. Showers
likely.

$$

PHZ118-160230-
Maui County Leeward Waters-
323 AM HST Fri Jan 15 2021

.TODAY...North winds 10 knots. Wind waves 3 feet. Northwest swell
7 feet and north 6 to 7 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 3 feet. Mixed swell
northwest 6 feet and southwest 5 feet increasing to 8 feet after
midnight. Isolated showers through the night.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Northwest
swell 13 feet. Isolated showers.
.SATURDAY NIGHT...Southeast winds 10 knots veering south after
midnight. Wind waves 4 feet. Northwest swell 11 feet. Scattered
showers.
.SUNDAY...Southwest winds 10 knots. Wind waves 4 feet. Northwest
swell 8 feet. Scattered showers.
.SUNDAY NIGHT...Southwest winds 15 knots veering northwest after
midnight. Wind waves 4 feet. Northwest swell 7 feet. Occasional
heavy showers and slight chance of thunderstorms.
.MONDAY...North winds 20 knots. Wind waves 5 feet. Northwest
swell 8 to 10 feet. Heavy showers likely and slight chance of
thunderstorms.
.TUESDAY...North winds 10 knots becoming variable less than
10 knots. Wind waves 3 to 4 feet. North swell 8 to 10 feet.
Scattered showers.

$$

PHZ119-160230-
Maalaea Bay-
323 AM HST Fri Jan 15 2021

.TODAY...North winds 10 knots. Wind waves 2 feet or less.
.TONIGHT...North winds 20 knots. Wind waves 2 feet or less.
.SATURDAY...North winds 20 knots. Wind waves 2 feet or less.
.SATURDAY NIGHT...North winds 15 knots in the evening becoming
variable less than 10 knots. Wind waves 2 feet or less. Scattered
showers.
.SUNDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Scattered showers.
.SUNDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Heavy showers likely and slight chance of
thunderstorms.
.MONDAY...North winds 10 knots. Wind waves 2 feet or less.
Occasional heavy showers and slight chance of thunderstorms.
.TUESDAY...North winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 2 feet or less. Showers likely.

$$

PHZ120-160230-
Pailolo Channel-
323 AM HST Fri Jan 15 2021

.TODAY...North winds 10 knots veering northeast in the afternoon.
Wind waves 4 feet. Northwest swell 8 feet and north 6 to 7 feet.
.TONIGHT...East winds 20 knots. Wind waves 4 feet. Northwest
swell 7 feet. Swell south 3 to 4 feet. Isolated showers through
the night.
.SATURDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 12 feet. Isolated showers.
.SATURDAY NIGHT...Southeast winds 15 knots in the evening
becoming variable less than 10 knots. Wind waves 5 feet.
Northwest swell 12 feet decreasing to 10 feet after midnight.
Scattered showers.
.SUNDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 4 feet. Northwest swell
8 feet. Scattered showers.
.SUNDAY NIGHT...Southwest winds 10 knots veering northwest after
midnight. Wind waves 4 feet. Northwest swell 6 feet. Occasional
heavy showers and slight chance of thunderstorms.
.MONDAY...North winds 15 knots. Wind waves 3 feet. Northwest
swell 7 to 9 feet. Occasional heavy showers and slight chance of
thunderstorms.
.TUESDAY...Northwest winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. Northwest swell 9 to 10 feet.
Showers likely.

$$

PHZ121-160230-
Alenuihaha Channel-
323 AM HST Fri Jan 15 2021

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

.TODAY...Northeast winds 15 knots. Wind waves 5 feet. Northwest
swell 12 feet decreasing to 10 feet in the afternoon. Swell north
7 feet. Isolated showers in the morning.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 9 feet. Swell south 3 to 5 feet. Isolated showers through
the night.
.SATURDAY...East winds to 25 knots. Wind waves 5 feet. Northwest
swell 15 feet increasing to 18 feet in the afternoon. Isolated
showers in the morning. Scattered showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 15 knots backing northeast
after midnight. Wind waves 5 feet. Northwest swell 17 feet
decreasing to 15 feet after midnight. Scattered showers.
.SUNDAY...Northwest winds 10 knots backing west in the afternoon.
Wind waves 5 feet. Northwest swell 13 feet decreasing to 11 feet
in the afternoon. Scattered showers.
.SUNDAY NIGHT...Southwest winds 10 knots. Wind waves 4 feet.
Northwest swell 9 feet. Heavy showers likely and slight chance of
thunderstorms.
.MONDAY...North winds 15 knots. Wind waves 4 feet. Northwest
swell 10 to 12 feet. Heavy showers likely and slight chance of
thunderstorms.
.TUESDAY...North winds 10 knots. Wind waves 4 feet. Northwest
swell 11 to 13 feet. Showers likely.

$$

PHZ122-160230-
Big Island Windward Waters-
323 AM HST Fri Jan 15 2021

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

.TODAY...Southeast winds 15 knots. Wind waves 5 feet. North swell
11 feet and north 7 feet. Isolated showers.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. North swell
9 feet. Swell south 3 to 5 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 15 feet increasing to 18 feet in the afternoon. Scattered
showers.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves 6 feet.
Northwest swell 18 feet decreasing to 16 feet after midnight.
Scattered showers.
.SUNDAY...Southeast winds 15 knots. Wind waves 5 feet. Northwest
swell 14 feet decreasing to 12 feet in the afternoon. Scattered
showers.
.SUNDAY NIGHT...South winds 15 knots. Wind waves 5 feet.
Northwest swell 10 feet. Scattered showers.
.MONDAY...West winds 10 knots veering northwest in the afternoon
and evening, then backing southwest after midnight. Wind waves
3 to 4 feet. Northwest swell 10 to 12 feet. Heavy showers likely
and slight chance of thunderstorms.
.TUESDAY...West winds 10 knots veering north in the evening, then
veering east after midnight. Wind waves 4 feet. Northwest swell
11 to 13 feet. Showers likely.

$$

PHZ123-160230-
Big Island Leeward Waters-
323 AM HST Fri Jan 15 2021

.TODAY...Southeast winds 15 knots backing north in the afternoon.
Wind waves 6 feet. Northwest swell 7 feet and north 3 feet.
Isolated showers in the morning.
.TONIGHT...West of the Big Island, winds variable less than
10 knots becoming northwest 10 knots after midnight. Near South
Point, east winds 20 knots. Wind waves 5 feet. Northwest swell
6 feet. Swell south 3 feet. Isolated showers.
.SATURDAY...West of the Big Island, north winds 10 knots in the
morning becoming variable less than 10 knots. Near South Point,
east winds to 25 knots. Wind waves 6 feet. Northwest swell 9 feet
increasing to 11 feet in the afternoon. Isolated showers in the
morning.
.SATURDAY NIGHT...Northeast winds 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 6 feet.
Northwest swell 11 feet. Scattered showers.
.SUNDAY...East winds 10 knots. Wind waves 5 feet. Northwest swell
9 feet. Scattered showers.
.SUNDAY NIGHT...South winds 10 knots. Wind waves 5 feet.
Northwest swell 8 feet. Scattered showers.
.MONDAY...West of the Big Island, winds variable less than
10 knots becoming east 10 knots in the evening, then veering
southwest after midnight. Near Kawaihae, winds variable less than
10 knots becoming northeast 10 knots in the afternoon and
evening, then becoming variable less than 10 knots after
midnight. Wind waves 4 to 5 feet. Northwest swell 8 to 10 feet.
Heavy showers likely and slight chance of thunderstorms.
.TUESDAY...North winds 10 knots becoming variable less than
10 knots. Wind waves 5 feet. Northwest swell 8 to 10 feet.
Showers likely.

$$

PHZ124-160230-
Big Island Southeast Waters-
323 AM HST Fri Jan 15 2021

.TODAY...East winds 15 knots. Wind waves 6 feet. Northwest swell
9 feet and north 7 feet. Isolated showers.
.TONIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 7 feet. Swell south 3 to 5 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 8 feet increasing to 11 feet in the afternoon. Scattered
showers.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 6 feet.
Northwest swell 11 feet. Scattered showers.
.SUNDAY...Southeast winds 10 knots. Wind waves 5 feet. Northwest
swell 9 feet. Scattered showers.
.SUNDAY NIGHT...Southeast winds 10 knots. Wind waves 4 feet.
Northwest swell 8 feet. Scattered showers.
.MONDAY...Southwest winds 10 knots in the morning becoming
variable less than 10 knots, then becoming southeast 10 knots
after midnight. Wind waves 4 to 5 feet. Northwest swell 8 to
10 feet. Heavy showers likely and slight chance of thunderstorms.
.TUESDAY...Winds variable less than 10 knots becoming northeast
10 knots. Wind waves 5 to 6 feet. Northwest swell 8 to 10 feet.
Showers likely.

$$

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



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