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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

297
FZHW50 PHFO 220102
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
302 PM HST Wed Oct 21 2020

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

PHZ100-221345-
302 PM HST Wed Oct 21 2020

.Synopsis for Hawaiian coastal waters...
A surface high far northeast of the area and a surface trough to
the northwest will persist through the weekend.

$$

PHZ110-221345-
Kauai Northwest Waters-
302 PM HST Wed Oct 21 2020

.TONIGHT...North winds 10 knots in the evening becoming variable
less than 10 knots. Wind waves 2 feet or less. Northeast swell
3 feet. Scattered showers and slight chance of thunderstorms.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northeast swell 3 feet in the morning. Scattered showers
and slight chance of thunderstorms.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Scattered showers and slight chance of
thunderstorms.
.FRIDAY...Southwest winds 10 knots. Wind waves 2 feet or less.
Scattered showers.
.FRIDAY NIGHT...Winds variable less than 10 knots becoming south
10 knots after midnight. Wind waves 2 feet or less. Scattered
showers.
.SATURDAY...South winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 2 feet or less. Swell northwest
3 to 4 feet. Scattered showers.
.SATURDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less then 3 feet after midnight. Swell northwest 4 to
5 feet. Scattered showers.
.SUNDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Swell northwest 5 to 6 feet. Scattered showers.
.MONDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northeast swell 3 feet and northwest 5 feet. Scattered showers.

$$

PHZ111-221345-
Kauai Windward Waters-
302 PM HST Wed Oct 21 2020

.TONIGHT...Southeast winds 10 knots. Wind waves 2 feet or less.
Northeast swell 3 feet. Scattered showers and slight chance of
thunderstorms.
.THURSDAY...Southeast winds 10 knots. Wind waves 2 feet or less.
Northeast swell 3 feet. Scattered showers and slight chance of
thunderstorms.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northeast swell 3 feet in the evening. Scattered
showers and slight chance of thunderstorms.
.FRIDAY...South winds 10 knots. Wind waves 2 feet or less.
Scattered showers.
.FRIDAY NIGHT...Winds variable less than 10 knots becoming south
10 knots after midnight. Wind waves 2 feet or less. Scattered
showers.
.SATURDAY...South winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 2 feet or less then 3 feet in the
afternoon. Swell northwest 3 to 4 feet. Scattered showers.
.SATURDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Swell northwest 4 to 5 feet. Scattered showers.
.SUNDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northeast swell 3 feet and northwest 5 to 6 feet. Scattered
showers.
.MONDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northeast swell 3 feet and northwest 5 feet. Scattered showers.

$$

PHZ112-221345-
Kauai Leeward Waters-
302 PM HST Wed Oct 21 2020

.TONIGHT...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northeast swell 3 feet. Scattered showers and slight
chance of thunderstorms.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northeast swell 3 feet in the morning. Scattered showers
and slight chance of thunderstorms.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Scattered showers and slight chance of
thunderstorms.
.FRIDAY...South winds 10 knots. Wind waves 2 feet or less.
Scattered showers.
.FRIDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Scattered showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Swell northwest 3 to 4 feet. Scattered showers.
.SATURDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Swell northwest 4 to 5 feet. Scattered showers.
.SUNDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Swell northwest 5 to 6 feet. Scattered showers.
.MONDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Mixed swell northeast 3 feet and northwest 5 feet.
Scattered showers.

$$

PHZ113-221345-
Kauai Channel-
302 PM HST Wed Oct 21 2020

.TONIGHT...South winds 10 knots in the evening becoming variable
less than 10 knots. Wind waves 2 feet or less. Northeast swell
3 feet. Scattered showers and slight chance of thunderstorms.
.THURSDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northeast swell 3 feet. Scattered showers and slight
chance of thunderstorms.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Northeast swell 3 feet. Scattered showers and
slight chance of thunderstorms.
.FRIDAY...South winds 10 knots. Wind waves 2 feet or less.
Scattered showers.
.FRIDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Scattered showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Swell northwest 3 feet. Scattered showers.
.SATURDAY NIGHT...Winds variable less than 10 knots. Wind waves
3 feet. Swell northwest 4 to 5 feet. Scattered showers.
.SUNDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northeast swell 3 feet and northwest 5 feet. Scattered showers.
.MONDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Northeast swell 3 feet and northwest 5 feet. Scattered showers.

$$

PHZ114-221345-
Oahu Windward Waters-
302 PM HST Wed Oct 21 2020

.TONIGHT...Southeast winds 10 knots. Wind waves 3 feet in the
evening then 2 feet or less. Northeast swell 3 feet. Scattered
showers and slight chance of thunderstorms.
.THURSDAY...Southeast winds 10 knots. Wind waves 2 feet or less.
Northeast swell 3 feet. Scattered showers and slight chance of
thunderstorms in the morning, then isolated showers in the
afternoon.
.THURSDAY NIGHT...Southeast winds 10 knots. Wind waves 2 feet or
less. Northeast swell 3 feet. Scattered showers and slight chance
of thunderstorms.
.FRIDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 2 feet or less. Northeast
swell 3 feet in the morning. Isolated showers.
.FRIDAY NIGHT...Winds variable less than 10 knots becoming
southeast 10 knots after midnight. Wind waves 2 feet or less then
3 feet after midnight. Scattered showers.
.SATURDAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 3 feet. Swell northwest
3 feet. Scattered showers.
.SATURDAY NIGHT...East winds 10 knots. Wind waves 3 feet. Swell
northwest 4 to 5 feet. Scattered showers.
.SUNDAY...East winds 10 knots. Wind waves 3 feet. Northeast swell
3 feet and northwest 5 to 6 feet. Scattered showers.
.MONDAY...East winds 10 knots becoming variable less than
10 knots. Wind waves 3 feet. Northeast swell 3 to 4 feet and
northwest 5 to 6 feet. Scattered showers.

$$

PHZ115-221345-
Oahu Leeward Waters-
302 PM HST Wed Oct 21 2020

.TONIGHT...Winds variable less than 10 knots. Wind waves 2 feet
or less. Northeast swell 3 feet. Scattered showers in the
evening. Slight chance of thunderstorms through the night.
Isolated showers after midnight.
.THURSDAY...Northeast winds 10 knots veering southeast in the
afternoon. Wind waves 2 feet or less. Northeast swell 3 feet in
the morning. Slight chance of thunderstorms in the morning.
Isolated showers through the day.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Scattered showers.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated showers.
.FRIDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Scattered showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Swell northwest 3 feet. Scattered showers.
.SATURDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Swell northwest 3 to 4 feet. Scattered showers.
.SUNDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Mixed swell northeast 3 feet and northwest 4 to 5 feet.
Scattered showers.
.MONDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Northeast swell 3 feet and northwest 5 feet. Scattered
showers.

$$

PHZ116-221345-
Kaiwi Channel-
302 PM HST Wed Oct 21 2020

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

$$

PHZ117-221345-
Maui County Windward Waters-
302 PM HST Wed Oct 21 2020

.TONIGHT...East winds 10 knots. Wind waves 3 feet in the evening
then 2 feet or less. Northeast swell 3 feet. Isolated showers.
.THURSDAY...Southeast winds 15 knots. Wind waves 2 feet or less.
Northeast swell 3 feet. Isolated showers.
.THURSDAY NIGHT...Southeast winds 10 knots. Wind waves 2 feet or
less. Northeast swell 3 feet. Isolated showers.
.FRIDAY...Southeast winds 10 knots. Wind waves 2 feet or less.
Isolated showers in the afternoon.
.FRIDAY NIGHT...Southeast winds 10 knots. Wind waves 3 feet.
Northeast swell 3 feet after midnight. Isolated showers through
the night.
.SATURDAY...Southeast winds 15 knots. Wind waves 4 feet.
Northeast swell 3 feet. Isolated showers in the morning, then
scattered showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Mixed swell east 3 feet and northwest 3 to 4 feet. Scattered
showers in the evening, then isolated showers after midnight.
.SUNDAY...Southeast winds 15 knots. Wind waves 4 feet. Northeast
swell 3 to 4 feet and northwest 4 to 5 feet. Scattered showers.
.MONDAY...Southeast winds 10 knots. Wind waves 3 to 4 feet.
Northeast swell 4 feet and northwest 5 feet. Scattered showers.

$$

PHZ118-221345-
Maui County Leeward Waters-
302 PM HST Wed Oct 21 2020

.TONIGHT...Southeast winds 10 knots. Wind waves 2 feet or less.
Northeast swell 3 feet. Isolated showers.
.THURSDAY...Southeast winds 10 knots. Wind waves 2 feet or less.
Northeast swell 3 feet. Isolated showers in the morning.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less.
.FRIDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Isolated showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 2 feet
or less. Isolated showers.
.SATURDAY NIGHT...East winds 10 knots. Wind waves 2 feet or less.
Swell northwest 3 feet. Isolated showers.
.SUNDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 2 feet or less. Northeast swell
3 feet and northwest 3 to 4 feet. Isolated showers.
.MONDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Northeast swell 3 feet and northwest 4 feet. Isolated
showers.

$$

PHZ119-221345-
Maalaea Bay-
302 PM HST Wed Oct 21 2020

.TONIGHT...South winds 10 knots in the evening becoming variable
less than 10 knots. Wind waves 2 feet or less.
.THURSDAY...Winds variable less than 10 knots becoming southwest
10 knots in the afternoon. Wind waves 2 feet or less.
.THURSDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less.
.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. Isolated showers in the evening.
.SUNDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated showers.
.MONDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less. Isolated showers.

$$

PHZ120-221345-
Pailolo Channel-
302 PM HST Wed Oct 21 2020

.TONIGHT...East winds 10 knots. Wind waves 2 feet or less.
Northeast swell 3 feet. Isolated showers in the evening.
.THURSDAY...East winds 10 knots. Wind waves 2 feet or less.
Northeast swell 3 feet.
.THURSDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 2 feet or less. Northeast
swell 3 feet. Isolated showers.
.FRIDAY...Winds variable less than 10 knots. Wind waves 2 feet or
less.
.FRIDAY NIGHT...Winds variable less than 10 knots. Wind waves
2 feet or less. Isolated showers.
.SATURDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Isolated showers through the day.
.SATURDAY NIGHT...East winds 10 knots in the evening becoming
variable less than 10 knots. Wind waves 3 feet. East swell
3 feet. Swell northwest 3 feet. Isolated showers.
.SUNDAY...Winds variable less than 10 knots becoming east
10 knots in the evening, then becoming variable less than
10 knots after midnight. Wind waves 3 feet. Mixed swell northeast
3 feet and northwest 3 to 4 feet. Isolated showers.
.MONDAY...Winds variable less than 10 knots. Wind waves 3 feet.
Mixed swell northeast 3 to 4 feet and northwest 4 feet. Isolated
showers.

$$

PHZ121-221345-
Alenuihaha Channel-
302 PM HST Wed Oct 21 2020

.TONIGHT...East winds 10 knots. Wind waves 3 feet. Northeast
swell 3 feet. Isolated showers in the evening.
.THURSDAY...East winds 15 knots. Wind waves 2 feet or less.
Northeast swell 3 feet.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 2 feet or less.
Northeast swell 3 feet.
.FRIDAY...East winds 10 knots. Wind waves 2 feet or less.
.FRIDAY NIGHT...East winds 10 knots. Wind waves 3 feet. Isolated
showers.
.SATURDAY...East winds 10 knots. Wind waves 4 feet. Northeast
swell 3 feet. Isolated showers.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 4 feet. East
swell 3 feet. Swell northwest 3 feet. Isolated showers.
.SUNDAY...East winds 10 knots. Wind waves 4 feet. Mixed swell
northeast 3 to 4 feet and northwest 3 to 5 feet. Isolated
showers.
.MONDAY...Southeast winds 10 knots. Wind waves 3 to 4 feet. Mixed
swell northeast 4 feet and northwest 5 feet. Isolated showers.

$$

PHZ122-221345-
Big Island Windward Waters-
302 PM HST Wed Oct 21 2020

.TONIGHT...Southeast winds 10 knots. Wind waves 2 feet or less.
Northeast swell 3 feet. Isolated showers after midnight.
.THURSDAY...Southeast winds 15 knots. Wind waves 2 feet or less.
Northeast swell 3 feet. Isolated showers in the morning.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 2 feet or less.
Northeast swell 3 feet. Isolated showers after midnight.
.FRIDAY...East winds 10 knots. Wind waves 2 feet or less.
Isolated showers in the morning.
.FRIDAY NIGHT...Southeast winds 10 knots. Wind waves 4 feet.
Northeast swell 3 feet. Scattered showers through the night.
.SATURDAY...Southeast winds 15 knots. Wind waves 4 feet. East
swell 3 feet. Scattered showers.
.SATURDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
East swell 3 feet. Swell northwest 3 feet. Scattered showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Northeast swell
3 to 4 feet and northwest 3 to 5 feet. Scattered showers.
.MONDAY...Southeast winds 15 knots. Wind waves 4 feet. Northeast
swell 4 feet and northwest 5 feet. Scattered showers.

$$

PHZ123-221345-
Big Island Leeward Waters-
302 PM HST Wed Oct 21 2020

.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 3 feet.
Northeast swell 3 feet in the evening. Isolated showers in the
evening.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 3 feet.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
.FRIDAY...Northeast winds 10 knots. Wind waves 3 feet in the
morning then 2 feet or less.
.FRIDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 10 knots near South Point. Wind waves 3 feet.
Isolated showers through the night.
.SATURDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 4 feet.
Isolated showers.
.SATURDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 15 knots near South Point. Wind waves 4 feet.
Isolated showers.
.SUNDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 4 feet. Mixed
swell northeast 3 feet and northwest 3 feet. Isolated showers.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 4 feet.
Northeast swell 3 feet and northwest 3 feet. Isolated showers.

$$

PHZ124-221345-
Big Island Southeast Waters-
302 PM HST Wed Oct 21 2020

.TONIGHT...East winds 10 knots. Wind waves 3 feet. Northeast
swell 3 feet. Isolated showers.
.THURSDAY...East winds 15 knots. Wind waves 3 feet. Northeast
swell 3 feet. Isolated showers in the morning.
.THURSDAY NIGHT...East winds 10 knots. Wind waves 3 feet.
Northeast swell 3 feet in the evening.
.FRIDAY...East winds 10 knots. Wind waves 3 feet.
.FRIDAY NIGHT...East winds 10 knots. Wind waves 3 feet. Northeast
swell 3 feet. Isolated showers through the night.
.SATURDAY...East winds 15 knots. Wind waves 4 feet. East swell
3 feet. Isolated showers in the morning, then scattered showers
in the afternoon.
.SATURDAY NIGHT...East winds 15 knots. Wind waves 4 feet. East
swell 3 feet. Isolated showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Mixed swell
northeast 3 to 4 feet and northwest 3 to 4 feet. Scattered
showers.
.MONDAY...East winds 10 knots. Wind waves 4 feet. Mixed swell
northeast 4 feet and northwest 3 to 4 feet. Scattered showers.

$$

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



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