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Select Product Type: All | Routine Bulletins/FCSTS | Warnings/Watches/Advisories | HAWN Weather | Tropical | Marine | Aviation | Daily Obs | Special
Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

046
FZHW50 PHFO 230158
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
358 PM HST Thu Oct 22 2020

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

PHZ100-231515-
358 PM HST Thu Oct 22 2020

.Synopsis for Hawaiian coastal waters...
A weakening surface front is approaching the northwest coastal
waters and is expected to dissipate northwest of Kauai by
tomorrow. A ridge of high pressure will build back in over the
island chain through the weekend and into early next week keeping
light to moderate southerly flow over most of the coastal waters.

$$

PHZ110-231515-
Kauai Northwest Waters-
358 PM HST Thu Oct 22 2020

.TONIGHT...South winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet. Numerous showers.
.FRIDAY...Southwest winds 15 knots. Wind waves 2 feet or less.
Northwest swell 3 feet. Numerous showers in the morning, then
scattered showers in the afternoon.
.FRIDAY NIGHT...Southwest winds 10 knots. Wind waves 2 feet or
less. Northwest swell 3 feet in the evening. Scattered showers.
.SATURDAY...South winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet increasing to 5 feet in the afternoon.
Scattered showers in the morning, then isolated showers in the
afternoon.
.SATURDAY NIGHT...South winds 15 knots. Wind waves 3 feet.
Northwest swell 6 feet. Scattered showers.
.SUNDAY...South winds 10 knots. Wind waves 3 feet. Northwest
swell 6 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Northwest swell 6 feet. Swell northeast 3 feet. Isolated
showers through the night.
.MONDAY...Winds variable less than 10 knots becoming south
10 knots. Wind waves 3 feet. Northwest swell 5 to 6 feet and
northeast 3 feet. Scattered showers.
.TUESDAY...Southwest winds 15 knots. Wind waves 3 feet. Northwest
swell 4 to 5 feet and northeast 3 feet. Occasional showers.

$$

PHZ111-231515-
Kauai Windward Waters-
358 PM HST Thu Oct 22 2020

.TONIGHT...Southeast winds 10 knots. Wind waves 2 feet or less.
Swell northeast 3 feet increasing to northwest 3 feet after
midnight. Numerous showers.
.FRIDAY...South winds 15 knots. Wind waves 2 feet or less.
Northwest swell 3 feet. Numerous showers in the morning, then
scattered showers in the afternoon.
.FRIDAY NIGHT...South winds 15 knots. Wind waves 2 feet or less.
Scattered showers.
.SATURDAY...South winds 15 knots. Wind waves 2 feet or less then
3 feet in the afternoon. Northwest swell 3 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.SATURDAY NIGHT...South winds 10 knots. Wind waves 3 feet.
Northwest swell 6 feet. Scattered showers.
.SUNDAY...South winds 10 knots. Wind waves 3 feet. Northwest
swell 6 feet. Isolated showers in the morning.
.SUNDAY NIGHT...Southeast winds 10 knots. Wind waves 3 feet.
Northwest swell 6 feet. Swell northeast 3 feet. Isolated showers
after midnight.
.MONDAY...South winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. Northwest swell 5 to 6 feet and
northeast 3 feet. Scattered showers.
.TUESDAY...South winds 15 knots. Wind waves 3 feet. Northwest
swell 4 to 5 feet and northeast 3 feet. Occasional showers.

$$

PHZ112-231515-
Kauai Leeward Waters-
358 PM HST Thu Oct 22 2020

.TONIGHT...South winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet. Scattered showers in the evening, then
numerous showers after midnight.
.FRIDAY...South winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet. Scattered showers.
.FRIDAY NIGHT...South winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet in the evening. Scattered showers.
.SATURDAY...South winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet. Scattered showers in the morning, then
isolated showers in the afternoon.
.SATURDAY NIGHT...South winds 10 knots. Wind waves 2 feet or
less. Northwest swell 6 feet. Scattered showers.
.SUNDAY...South winds 10 knots. Wind waves 2 feet or less.
Northwest swell 6 feet. Scattered showers in the morning, then
isolated showers in the afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northwest swell 6 feet. Isolated showers in the
evening, then scattered showers after midnight.
.MONDAY...Winds variable less than 10 knots becoming south
10 knots. Wind waves 2 feet or less. Mixed swell northwest 5 to
6 feet and northeast 3 feet. Scattered showers.
.TUESDAY...South winds 15 knots. Wind waves 2 feet or less. Mixed
swell northwest 4 to 5 feet and northeast 3 feet. Occasional
showers.

$$

PHZ113-231515-
Kauai Channel-
358 PM HST Thu Oct 22 2020

.TONIGHT...South winds 10 knots. Wind waves 2 feet or less. Swell
northeast 3 feet. Scattered showers.
.FRIDAY...South winds 10 knots. Wind waves 2 feet or less.
Scattered showers.
.FRIDAY NIGHT...South winds 15 knots. Wind waves 2 feet or less.
Scattered showers.
.SATURDAY...South winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet. Scattered showers in the morning, then
isolated showers in the afternoon.
.SATURDAY NIGHT...South winds 10 knots. Wind waves 3 feet.
Northwest swell 6 feet. Isolated showers.
.SUNDAY...Southeast winds 10 knots. Wind waves 3 feet. Northwest
swell 6 feet. Isolated showers.
.SUNDAY NIGHT...Southeast winds 10 knots. Wind waves 3 feet.
Northwest swell 6 feet and northeast 3 feet. Isolated showers.
.MONDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northwest swell 5 to 6 feet and northeast 3 feet. Scattered
showers.
.TUESDAY...South winds 15 knots. Wind waves 2 feet or less.
Northwest swell 4 to 5 feet and northeast 3 feet. Occasional
showers.

$$

PHZ114-231515-
Oahu Windward Waters-
358 PM HST Thu Oct 22 2020

.TONIGHT...Southeast winds 10 knots. Wind waves 2 feet or less.
Swell northeast 3 feet. Scattered showers.
.FRIDAY...Southeast winds 10 knots. Wind waves 2 feet or less.
Swell northeast 3 feet. Scattered showers.
.FRIDAY NIGHT...Southeast winds 15 knots. Wind waves 2 feet or
less. Scattered showers.
.SATURDAY...Southeast winds 15 knots. Wind waves 3 feet.
Northwest swell 3 feet. Isolated showers.
.SATURDAY NIGHT...Southeast winds 10 knots. Wind waves 4 feet.
Northwest swell 6 feet. Isolated showers through the night.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Northwest swell
6 feet. Swell northeast 3 feet. Isolated showers.
.SUNDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Northwest swell 6 feet and northeast 3 to 4 feet. Scattered
showers.
.MONDAY...Southeast winds 10 knots. Wind waves 3 to 4 feet.
Northwest swell 5 to 6 feet and northeast 4 feet. Scattered
showers.
.TUESDAY...South winds 10 knots. Wind waves 3 feet. Northwest
swell 4 to 5 feet and northeast 3 to 4 feet. Numerous showers.

$$

PHZ115-231515-
Oahu Leeward Waters-
358 PM HST Thu Oct 22 2020

.TONIGHT...Winds variable less than 10 knots becoming south
10 knots after midnight. Wind waves 2 feet or less. Isolated
showers in the evening, then scattered showers after midnight.
.FRIDAY...South winds 10 knots. Wind waves 2 feet or less.
Scattered showers in the morning, then isolated showers in the
afternoon.
.FRIDAY NIGHT...Southeast winds 15 knots. Wind waves 2 feet or
less. Isolated showers through the night.
.SATURDAY...South winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet. Isolated showers in the morning.
.SATURDAY NIGHT...Southeast winds 10 knots. Wind waves 2 feet or
less. Northwest swell 5 feet.
.SUNDAY...Northeast winds 10 knots. Wind waves 2 feet or less.
Northwest swell 6 feet. Isolated showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 knots. Wind waves 2 feet or
less. Northwest swell 6 feet. Swell northeast 3 feet. Isolated
showers in the evening.
.MONDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Northwest swell 5 to 6 feet and northeast 3 feet. Isolated
showers.
.TUESDAY...South winds 15 knots. Wind waves 2 feet or less.
Northwest swell 4 to 5 feet and northeast 3 feet. Occasional
showers.

$$

PHZ116-231515-
Kaiwi Channel-
358 PM HST Thu Oct 22 2020

.TONIGHT...South winds 10 knots. Wind waves 2 feet or less. Swell
northeast 3 feet. Isolated showers through the night.
.FRIDAY...Southeast winds 10 knots. Wind waves 2 feet or less.
Isolated showers.
.FRIDAY NIGHT...Southeast winds 15 knots. Wind waves 2 feet or
less. Isolated showers after midnight.
.SATURDAY...South winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 5 feet. Isolated showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Northwest swell
6 feet. Swell northeast 3 feet. Isolated showers in the
afternoon.
.SUNDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Northwest swell 6 feet and northeast 3 feet. Scattered showers
through the night.
.MONDAY...Northeast winds 15 knots becoming variable less than
10 knots. Wind waves 3 feet. Northwest swell 5 to 6 feet and
northeast 3 to 4 feet. Isolated showers.
.TUESDAY...Winds variable less than 10 knots becoming south
15 knots. Wind waves 3 feet. Northwest swell 4 to 5 feet and
northeast 3 to 4 feet. Scattered showers.

$$

PHZ117-231515-
Maui County Windward Waters-
358 PM HST Thu Oct 22 2020

.TONIGHT...Southeast winds 15 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers.
.FRIDAY...Southeast winds 15 knots. Wind waves 2 feet or less.
Isolated showers.
.FRIDAY NIGHT...Southeast winds 20 knots. Wind waves 3 feet.
Swell northeast 3 feet. Isolated showers in the evening, then
scattered showers after midnight.
.SATURDAY...Southeast winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and east 3 feet. Scattered showers.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
Mixed swell northwest 5 feet and east 3 feet. Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
6 feet and northeast 3 feet. Scattered showers in the morning,
then isolated showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 20 knots. Wind waves 5 feet.
Northwest swell 6 feet and northeast 4 feet. Scattered showers.
.MONDAY...Southeast winds 15 knots. Wind waves 4 feet. Northwest
swell 5 to 6 feet and northeast 4 feet. Scattered showers.
.TUESDAY...Southeast winds 15 knots. Wind waves 3 feet. Northwest
swell 4 to 5 feet and northeast 3 to 4 feet. Scattered showers.

$$

PHZ118-231515-
Maui County Leeward Waters-
358 PM HST Thu Oct 22 2020

.TONIGHT...Southeast winds 10 knots. Wind waves 2 feet or less.
Isolated showers after midnight.
.FRIDAY...Southeast winds 10 knots. Wind waves 2 feet or less.
Isolated showers in the morning.
.FRIDAY NIGHT...Southeast winds 15 knots. Wind waves 2 feet or
less.
.SATURDAY...Southeast winds 10 knots. Wind waves 2 feet or less.
Northwest swell 3 feet.
.SATURDAY NIGHT...Northeast winds 10 knots. Wind waves 3 feet.
Northwest swell 3 feet increasing to 5 feet after midnight.
.SUNDAY...East winds 15 knots. Wind waves 3 feet. Northwest swell
5 feet. Isolated showers.
.SUNDAY NIGHT...Southeast winds 10 knots. Wind waves 3 feet.
Northwest swell 5 feet and northeast 3 feet. Scattered showers in
the evening.
.MONDAY...Northeast winds 10 knots becoming variable less than
10 knots. Wind waves 2 feet or less. Northwest swell 4 to 5 feet
and northeast 3 feet. Isolated showers.
.TUESDAY...Winds variable less than 10 knots becoming south
15 knots. Wind waves 2 feet or less. Northwest swell 3 to 4 feet
and northeast 3 feet. Occasional showers.

$$

PHZ119-231515-
Maalaea Bay-
358 PM HST Thu Oct 22 2020

.TONIGHT...East winds 10 knots in the evening becoming variable
less than 10 knots. Wind waves 2 feet or less. Isolated showers
after midnight.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated showers in the afternoon.
.FRIDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less.
.SATURDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Isolated showers in the afternoon.
.SATURDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less.
.SUNDAY...Winds variable less than 10 knots becoming south
15 knots in the afternoon. Wind waves 2 feet or less. Isolated
showers in the afternoon.
.SUNDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less.
.MONDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated showers.
.TUESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Numerous showers.

$$

PHZ120-231515-
Pailolo Channel-
358 PM HST Thu Oct 22 2020

.TONIGHT...Southeast winds 10 knots. Wind waves 2 feet or less.
Swell northeast 3 feet.
.FRIDAY...Winds variable less than 10 knots becoming east
10 knots in the afternoon. Wind waves 2 feet or less. Isolated
showers in the afternoon.
.FRIDAY NIGHT...East winds 20 knots becoming southeast 10 knots
after midnight. Wind waves 2 feet or less.
.SATURDAY...East winds 10 knots. Wind waves 4 feet. Northwest
swell 3 feet.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet increasing to 5 feet after midnight.
.SUNDAY...East winds 10 knots rising to 20 knots in the
afternoon. Wind waves 4 feet. Mixed swell northwest 5 feet and
northeast 3 feet. Isolated showers.
.SUNDAY NIGHT...North winds 10 knots. Wind waves 4 feet. Mixed
swell northwest 5 feet and northeast 3 to 4 feet. Isolated
showers in the evening.
.MONDAY...South winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. Mixed swell northwest 4 to 5 feet
and northeast 4 feet. Isolated showers.
.TUESDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northwest swell 3 to 4 feet and northeast 3 to 4 feet.
Numerous showers.

$$

PHZ121-231515-
Alenuihaha Channel-
358 PM HST Thu Oct 22 2020

.TONIGHT...East winds 15 knots. Wind waves 2 feet or less. Swell
northeast 3 feet. Isolated showers after midnight.
.FRIDAY...East winds 10 knots becoming northeast 20 knots in the
afternoon. Wind waves 2 feet or less.
.FRIDAY NIGHT...East winds 20 knots. Wind waves 3 feet. Isolated
showers.
.SATURDAY...Northeast winds 15 knots. Wind waves 4 feet. Mixed
swell northwest 3 feet and east 3 feet. Scattered showers in the
afternoon.
.SATURDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 3 feet increasing to 5 feet after midnight. Swell
east 3 feet. Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
6 feet and northeast 3 feet. Isolated showers through the day.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Mixed
swell northwest 6 feet and northeast 3 to 4 feet. Scattered
showers.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Mixed swell
northwest 4 to 6 feet and northeast 4 feet. Isolated showers.
.TUESDAY...Southeast winds 15 knots. Wind waves 3 feet. Mixed
swell northwest 4 feet and northeast 3 to 4 feet. Scattered
showers.

$$

PHZ122-231515-
Big Island Windward Waters-
358 PM HST Thu Oct 22 2020

.TONIGHT...Southeast winds 15 knots. Wind waves 3 feet in the
evening then 2 feet or less. Swell northeast 3 feet. Isolated
showers.
.FRIDAY...Southeast winds 15 knots. Wind waves 2 feet or less.
Isolated showers.
.FRIDAY NIGHT...Southeast winds 20 knots. Wind waves 4 feet.
Swell northeast 3 feet. Scattered showers.
.SATURDAY...Southeast winds 20 knots. Wind waves 5 feet. Mixed
swell northwest 3 feet and east 3 feet. Scattered showers.
.SATURDAY NIGHT...Southeast winds 20 knots. Wind waves 5 feet.
Northwest swell 3 feet increasing to 5 feet after midnight. Swell
east 3 feet. Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
6 feet and northeast 3 feet. Scattered showers in the morning,
then isolated showers in the afternoon.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 6 feet and northeast 4 feet. Scattered showers.
.MONDAY...Southeast winds 15 knots. Wind waves 4 feet. Northwest
swell 4 to 6 feet and northeast 4 feet. Scattered showers.
.TUESDAY...Southeast winds 20 knots. Wind waves 3 feet. Northwest
swell 4 feet and northeast 3 to 4 feet. Numerous showers.

$$

PHZ123-231515-
Big Island Leeward Waters-
358 PM HST Thu Oct 22 2020

.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 3 feet.
Isolated showers in the evening.
.FRIDAY...Northwest winds 10 knots west of the Big Island...east
20 knots near South Point. Wind waves 2 feet or less.
.FRIDAY NIGHT...North winds 10 knots west of the Big Island...
east 20 knots near South Point. Wind waves 3 feet. Isolated
showers.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 4 feet.
Northwest swell 3 feet. Scattered showers.
.SATURDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 5 feet.
Northwest swell 3 feet after midnight. Isolated showers in the
evening. Scattered showers after midnight.
.SUNDAY...West of the Big Island, winds variable less than
10 knots becoming northwest 10 knots in the afternoon. Near South
Point, east winds 20 knots. Wind waves 5 feet. Northwest swell
3 feet increasing to 5 feet in the afternoon. Scattered showers.
.SUNDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 5 feet.
Northwest swell 5 feet. Swell northeast 3 feet. Scattered showers
in the evening. Isolated showers after midnight.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 4 to 5 feet.
Northwest swell 3 to 5 feet and northeast 3 feet. Scattered
showers.
.TUESDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 3 feet.
Northwest swell 3 feet and northeast 3 feet. Numerous showers.

$$

PHZ124-231515-
Big Island Southeast Waters-
358 PM HST Thu Oct 22 2020

.TONIGHT...East winds 15 knots. Wind waves 3 feet. Swell
northeast 3 feet.
.FRIDAY...East winds 15 knots. Wind waves 2 feet or less.
.FRIDAY NIGHT...East winds 15 knots. Wind waves 3 feet. Swell
northeast 3 feet. Isolated showers in the evening, then scattered
showers after midnight.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. Mixed swell
northwest 3 feet and east 3 feet. Scattered showers.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Northwest swell 3 feet after midnight. Swell east 3 feet.
Scattered showers.
.SUNDAY...East winds 20 knots. Wind waves 5 feet. Northwest swell
3 feet increasing to 5 feet in the afternoon. Swell northeast
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Northwest
swell 5 feet and northeast 4 feet. Scattered showers.
.MONDAY...East winds 15 knots. Wind waves 4 to 5 feet. Northwest
swell 3 to 5 feet and northeast 4 feet. Scattered showers.
.TUESDAY...East winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet and northeast 3 to 4 feet. Scattered showers.

$$

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



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