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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

760
FZHW50 PHFO 220723
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
923 PM HST Thu Jan 21 2021

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

PHZ100-222030-
923 PM HST Thu Jan 21 2021

.Synopsis for Hawaiian coastal waters...
High pressure far northeast will support moderate to locally
strong trade winds over the next couple of days. The high will
strengthen over the weekend into early next week with trade winds
becoming stronger across the area.

$$

PHZ110-222030-
Kauai Northwest Waters-
923 PM HST Thu Jan 21 2021

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers late in the evening,
then scattered showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
4 feet increasing to 6 feet in the afternoon. Isolated showers
through the day.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 7 feet. Northwest
swell 8 feet increasing to 10 feet after midnight. Scattered
showers.
.SATURDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 11 feet. Scattered showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 10 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 8 feet decreasing to 6 feet in the afternoon. Scattered
showers.
.SUNDAY NIGHT...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 5 feet. Scattered showers.
.MONDAY...East winds to 25 knots. Wind waves 10 to 12 feet.
Northwest swell 3 to 4 feet. Scattered showers.
.TUESDAY...East winds to 25 knots. Wind waves 11 feet. North
swell 3 feet. Scattered showers.

$$

PHZ111-222030-
Kauai Windward Waters-
923 PM HST Thu Jan 21 2021

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers late in the evening,
then scattered showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
4 feet. Isolated showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 7 feet. Northwest
swell 8 feet increasing to 10 feet after midnight. Scattered
showers.
.SATURDAY...East winds 20 knots. Wind waves 9 feet. Northwest
swell 10 feet. Scattered showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 10 feet.
Northwest swell 9 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 10 feet. Northwest
swell 7 feet. Scattered showers.
.SUNDAY NIGHT...East winds to 25 knots. Wind waves 11 feet.
Northwest swell 5 feet. Scattered showers.
.MONDAY...East winds to 25 knots. Wind waves 11 to 13 feet. North
swell 3 to 4 feet. Scattered showers.
.TUESDAY...East winds to 25 knots. Wind waves 10 to 11 feet.
North swell 3 feet. Scattered showers.

$$

PHZ112-222030-
Kauai Leeward Waters-
923 PM HST Thu Jan 21 2021

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
4 feet increasing to 6 feet in the afternoon. Isolated showers in
the morning.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 7 feet. Northwest
swell 8 feet increasing to 10 feet after midnight. Scattered
showers.
.SATURDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 11 feet. Scattered showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 9 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 8 feet. Northwest swell
7 feet. Scattered showers.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 10 feet.
Northwest swell 5 feet. Scattered showers.
.MONDAY...East winds 20 knots. Wind waves 9 to 11 feet. Northwest
swell 3 to 4 feet. Scattered showers.
.TUESDAY...Southeast winds 15 knots. Wind waves 9 to 10 feet.
North swell 3 feet. Scattered showers.

$$

PHZ113-222030-
Kauai Channel-
923 PM HST Thu Jan 21 2021

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet. North
swell 4 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northwest swell
4 feet. Isolated showers through the day.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 7 feet increasing to 9 feet after midnight.
Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 9 feet. Northwest
swell 10 feet. Scattered showers.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 9 feet.
Northwest swell 9 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 8 feet decreasing to 6 feet in the afternoon. Scattered
showers.
.SUNDAY NIGHT...East winds to 25 knots. Wind waves 11 feet.
Northwest swell 5 feet. Scattered showers.
.MONDAY...East winds to 25 knots. Wind waves 10 to 12 feet. North
swell 3 to 4 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 10 feet. North swell
3 feet. Scattered showers.

$$

PHZ114-222030-
Oahu Windward Waters-
923 PM HST Thu Jan 21 2021

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers late in the evening,
then scattered showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 7 feet. Northwest swell
4 feet. Isolated showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 7 feet increasing to 9 feet after midnight.
Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 10 feet. Northwest
swell 10 feet. Scattered showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 10 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 11 feet. Northwest
swell 8 feet. Scattered showers.
.SUNDAY NIGHT...East winds to 30 knots. Wind waves 11 feet.
Northwest swell 7 feet. Scattered showers.
.MONDAY...East winds to 30 knots. Wind waves 11 to 13 feet.
Northwest swell 4 to 6 feet. Scattered showers.
.TUESDAY...East winds to 25 knots. Wind waves 11 feet. North
swell 3 feet. Scattered showers.

$$

PHZ115-222030-
Oahu Leeward Waters-
923 PM HST Thu Jan 21 2021

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

.REST OF TONIGHT...East winds to 25 knots. Wind waves 5 feet.
Northwest swell 4 feet.
.FRIDAY...East winds to 25 knots. Wind waves 5 feet. Northwest
swell 3 feet.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 6 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 8 feet. Scattered showers.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 7 feet.
Northwest swell 7 feet. Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 7 feet. Northwest swell
6 feet. Scattered showers.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 8 feet. Northwest
swell 4 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 8 to 10 feet. Northwest
swell 3 to 4 feet. Scattered showers.
.TUESDAY...East winds 15 knots. Wind waves 8 feet. Scattered
showers.

$$

PHZ116-222030-
Kaiwi Channel-
923 PM HST Thu Jan 21 2021

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

.REST OF TONIGHT...East winds to 25 knots. Wind waves 6 feet.
North swell 4 feet. Isolated showers late in the evening.
Scattered showers after midnight.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. North swell
4 feet. Isolated showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet. North
swell 6 feet increasing to northwest 8 feet after midnight.
Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 9 feet. Scattered showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 9 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 11 feet. Northwest
swell 7 feet. Scattered showers.
.SUNDAY NIGHT...East winds to 30 knots. Wind waves 11 feet.
Northwest swell 6 feet. Scattered showers.
.MONDAY...East winds to 30 knots. Wind waves 11 to 13 feet. North
swell 3 to 5 feet. Scattered showers.
.TUESDAY...East winds to 25 knots. Wind waves 11 feet. North
swell 3 feet. Scattered showers.

$$

PHZ117-222030-
Maui County Windward Waters-
923 PM HST Thu Jan 21 2021

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

.REST OF TONIGHT...East winds to 25 knots. Wind waves 6 feet.
Northwest swell 5 feet. Isolated showers late in the evening,
then scattered showers after midnight.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. Northwest
swell 4 feet. Isolated showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 6 feet increasing to 8 feet after midnight.
Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 9 feet. Scattered showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 9 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 11 feet. Northwest
swell 7 feet. Scattered showers.
.SUNDAY NIGHT...East winds to 30 knots. Wind waves 11 feet.
Northwest swell 6 feet. Scattered showers.
.MONDAY...East winds to 30 knots. Wind waves 11 to 13 feet.
Northwest swell 3 to 5 feet. Scattered showers.
.TUESDAY...East winds to 25 knots. Wind waves 11 feet. North
swell 3 feet. Scattered showers.

$$

PHZ118-222030-
Maui County Leeward Waters-
923 PM HST Thu Jan 21 2021

.REST OF TONIGHT...East winds 20 knots. Wind waves 6 feet. North
swell 3 feet. Isolated showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. North swell
3 feet.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY...East winds 15 knots. Wind waves 7 feet. Northwest
swell 6 feet. Scattered showers.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 8 feet.
Northwest swell 6 feet. Isolated showers.
.SUNDAY...East winds 20 knots. Wind waves 9 feet. Northwest swell
5 feet. Isolated showers.
.SUNDAY NIGHT...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 4 feet. Scattered showers.
.MONDAY...East winds to 25 knots. Wind waves 10 to 12 feet.
Northwest swell 3 to 4 feet. Isolated showers.
.TUESDAY...East winds 20 knots. Wind waves 9 to 10 feet. Isolated
showers.

$$

PHZ119-222030-
Maalaea Bay-
923 PM HST Thu Jan 21 2021

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

.REST OF TONIGHT...North winds to 25 knots. Wind waves 3 feet.
.FRIDAY...North winds to 25 knots. Wind waves 3 feet.
.FRIDAY NIGHT...North winds to 25 knots. Wind waves 3 feet.
Isolated showers.
.SATURDAY...North winds to 25 knots. Wind waves 3 feet. Isolated
showers.
.SATURDAY NIGHT...North winds to 25 knots. Wind waves 3 feet.
Isolated showers.
.SUNDAY...North winds to 25 knots. Wind waves 4 feet. Isolated
showers.
.SUNDAY NIGHT...North winds to 30 knots becoming east 15 knots
after midnight. Wind waves 4 feet. Isolated showers.
.MONDAY...East winds 15 knots becoming north to 25 knots. Wind
waves 3 to 4 feet. Isolated showers.
.TUESDAY...North winds to 25 knots. Wind waves 3 feet. Isolated
showers.

$$

PHZ120-222030-
Pailolo Channel-
923 PM HST Thu Jan 21 2021

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

.REST OF TONIGHT...East winds to 25 knots. Wind waves 5 feet.
North swell 4 feet. Isolated showers.
.FRIDAY...East winds to 25 knots. Wind waves 6 feet. North swell
3 feet. Isolated showers.
.FRIDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Northwest swell 4 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 6 feet. Isolated showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 9 feet.
Northwest swell 6 feet. Isolated showers.
.SUNDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 5 feet. Isolated showers.
.SUNDAY NIGHT...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 4 feet. Isolated showers.
.MONDAY...East winds to 25 knots. Wind waves 10 to 12 feet.
Northwest swell 3 feet. Isolated showers.
.TUESDAY...East winds to 25 knots. Wind waves 9 to 10 feet.
Isolated showers.

$$

PHZ121-222030-
Alenuihaha Channel-
923 PM HST Thu Jan 21 2021

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

.REST OF TONIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 5 feet. Isolated showers.
.FRIDAY...East winds to 30 knots. Wind waves 8 feet. Northwest
swell 4 feet. Isolated showers.
.FRIDAY NIGHT...East winds to 30 knots. Wind waves 8 feet.
Northwest swell 5 feet. Isolated showers.
.SATURDAY...East winds to 30 knots. Wind waves 9 feet. Northwest
swell 8 feet. Isolated showers.
.SATURDAY NIGHT...East winds to 30 knots. Wind waves 9 feet.
Northwest swell 9 feet. Isolated showers.
.SUNDAY...East winds to 30 knots. Wind waves 10 feet. Northwest
swell 7 feet. Isolated showers.
.SUNDAY NIGHT...East gales to 35 knots. Wind waves 11 feet.
Northwest swell 6 feet. Isolated showers.
.MONDAY...East gales to 35 knots. Wind waves 11 to 12 feet.
Northwest swell 3 to 5 feet. Isolated showers.
.TUESDAY...East winds to 25 knots. Wind waves 11 to 12 feet.
Northwest swell 3 feet. Isolated showers.

$$

PHZ122-222030-
Big Island Windward Waters-
923 PM HST Thu Jan 21 2021

.REST OF TONIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 5 feet. Isolated showers late in the evening,
then scattered showers after midnight.
.FRIDAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
4 feet. Isolated showers.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Northwest
swell 5 feet increasing to 7 feet after midnight. Scattered
showers.
.SATURDAY...East winds 20 knots. Wind waves 8 feet. Northwest
swell 8 feet. Scattered showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 9 feet.
Northwest swell 9 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 7 feet. Scattered showers.
.SUNDAY NIGHT...East winds to 30 knots. Wind waves 10 feet.
Northwest swell 6 feet. Scattered showers.
.MONDAY...East winds to 25 knots. Wind waves 9 to 11 feet. North
swell 3 to 5 feet. Scattered showers.
.TUESDAY...East winds to 25 knots. Wind waves 9 feet. North swell
3 feet. Scattered showers.

$$

PHZ123-222030-
Big Island Leeward Waters-
923 PM HST Thu Jan 21 2021

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

.REST OF TONIGHT...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.
.FRIDAY...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 through the day. Isolated showers in
the morning. Scattered showers in the afternoon.
.FRIDAY 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. Haze. Isolated showers.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 9 feet.
Northwest swell 6 feet. Haze. Isolated showers.
.SATURDAY 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 7 feet. Haze. Isolated showers.
.SUNDAY...West of the Big Island, winds variable less than
10 knots becoming northwest 10 knots in the afternoon. Near South
Point, east winds to 25 knots. Wind waves 9 feet. Northwest swell
6 feet. Haze. Isolated showers.
.SUNDAY NIGHT...Northwest winds 10 knots west of the Big Island...
east to 30 knots near South Point. Wind waves 10 feet. Northwest
swell 5 feet. Haze. Scattered showers.
.MONDAY...West of the Big Island, southwest winds 10 knots
veering west in the afternoon, then backing southeast in the
evening backing north after midnight. Near South Point, east
winds to 25 knots. Wind waves 11 to 12 feet. Northwest swell 3 to
5 feet. Haze. Scattered showers.
.TUESDAY...West of the Big Island, southwest winds 10 knots in
the morning becoming variable less than 10 knots. Near South
Point, east winds to 25 knots. Wind waves 11 feet. Haze. Isolated
showers.

$$

PHZ124-222030-
Big Island Southeast Waters-
923 PM HST Thu Jan 21 2021

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

.REST OF TONIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 4 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 7 feet. North swell
3 feet. Isolated showers in the morning, then scattered showers
in the afternoon.
.FRIDAY NIGHT...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 3 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 6 feet. Scattered showers.
.SATURDAY NIGHT...East winds to 25 knots. Wind waves 9 feet.
Northwest swell 7 feet. Scattered showers.
.SUNDAY...East winds to 25 knots. Wind waves 8 feet. Northwest
swell 6 feet. Scattered showers.
.SUNDAY NIGHT...East winds to 25 knots. Wind waves 10 feet.
Northwest swell 5 feet. Scattered showers.
.MONDAY...East winds to 25 knots. Wind waves 10 to 11 feet.
Northwest swell 3 to 5 feet. Scattered showers.
.TUESDAY...East winds 20 knots. Wind waves 10 feet. Scattered
showers.

$$

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



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