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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

093
FZHW50 PHFO 191330
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
330 AM HST Tue Nov 19 2019

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

PHZ100-200145-
330 AM HST Tue Nov 19 2019

.Synopsis for Hawaiian coastal waters...
A surface trough and a disturbance aloft will continue to bring
the threat of thunderstorms, and weaker trade winds, through
early tonight. Trade winds will strengthen Wednesday as the
trough weakens and high pressure builds north of the islands.
Strong trade winds by the end of the week may reach gale force in
some channels.

$$

PHZ110-200145-
Kauai Northwest Waters-
330 AM HST Tue Nov 19 2019

.TODAY...Southeast winds 10 knots in the morning becoming
variable less than 10 knots. Wind waves 4 feet. Northwest swell
5 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...East winds 10 knots. Wind waves 4 feet. Northwest
swell 5 feet. Slight chance of thunderstorms in the evening.
Scattered showers through the night.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 7 feet increasing to 9 feet in the afternoon.
Scattered showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 11 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 11 feet. Scattered showers.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 10 feet decreasing to 8 feet after midnight.
Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 8 to 9 feet.
Northwest swell 6 to 7 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 9 to 10 feet.
Northwest swell 6 to 7 feet. Scattered showers.

$$

PHZ111-200145-
Kauai Windward Waters-
330 AM HST Tue Nov 19 2019

.TODAY...Southeast winds 10 knots. Wind waves 5 feet. Northwest
swell 5 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...East winds 10 knots. Wind waves 4 feet. Northwest
swell 4 feet. Slight chance of thunderstorms in the evening.
Scattered showers through the night.
.WEDNESDAY...East winds 10 knots. Wind waves 5 feet. Northwest
swell 6 feet increasing to 9 feet in the afternoon. Scattered
showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 11 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 10 feet. Scattered showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 8 feet.
Northwest swell 10 feet decreasing to 8 feet after midnight.
Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 8 to 9 feet. Northwest
swell 6 to 7 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 9 to 11 feet.
Northwest swell 6 to 7 feet. Scattered showers.

$$

PHZ112-200145-
Kauai Leeward Waters-
330 AM HST Tue Nov 19 2019

.TODAY...Winds variable less than 10 knots. Wind waves 4 feet.
Northwest swell 5 feet. Scattered heavy showers and slight chance
of thunderstorms.
.TONIGHT...Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 5 feet. Slight chance of thunderstorms in the evening.
Scattered showers through the night.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 6 feet increasing to 9 feet in the afternoon.
Isolated showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 11 feet. Isolated showers in the evening, then
scattered showers after midnight.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 10 feet. Isolated showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 8 feet.
Northwest swell 10 feet decreasing to 8 feet after midnight.
Isolated showers in the evening, then scattered showers after
midnight.
.FRIDAY...East winds to 25 knots. Wind waves 9 feet. Northwest
swell 6 to 7 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 10 feet. Northwest
swell 6 to 7 feet. Isolated showers.

$$

PHZ113-200145-
Kauai Channel-
330 AM HST Tue Nov 19 2019

.TODAY...Winds variable less than 10 knots. Wind waves 4 feet.
North swell 5 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...Northeast winds 10 knots. Wind waves 4 feet. Northwest
swell 4 feet. Slight chance of thunderstorms in the evening.
Scattered showers through the night.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 5 feet increasing to 7 feet in the afternoon.
Isolated showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 10 feet. Isolated showers in the evening, then
scattered showers after midnight.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 10 feet. Isolated showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 8 feet. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...East winds to 25 knots. Wind waves 8 to 9 feet.
Northwest swell 5 to 7 feet. Scattered showers.
.SATURDAY...East winds 20 knots. Wind waves 9 to 11 feet.
Northwest swell 5 to 6 feet. Scattered showers.

$$

PHZ114-200145-
Oahu Windward Waters-
330 AM HST Tue Nov 19 2019

.TODAY...East winds 10 knots. Wind waves 5 feet. Northwest swell
5 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Slight chance of thunderstorms in the evening.
Scattered showers through the night.
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 5 feet increasing to 7 feet in the afternoon. Scattered
showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 11 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 10 feet. Scattered showers.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 9 feet. Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 10 feet. Northwest
swell 6 to 8 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 10 to 11 feet.
Northwest swell 6 to 7 feet. Scattered showers.

$$

PHZ115-200145-
Oahu Leeward Waters-
330 AM HST Tue Nov 19 2019

.TODAY...East winds 10 knots backing north in the afternoon. Wind
waves 3 feet. Northwest swell 5 feet. Scattered heavy showers and
slight chance of thunderstorms.
.TONIGHT...Northeast winds 10 knots. Wind waves 3 feet. Northwest
swell 4 feet. Scattered showers and slight chance of
thunderstorms in the evening, then isolated showers after
midnight.
.WEDNESDAY...East winds 10 knots. Wind waves 4 feet. Northwest
swell 4 feet increasing to 6 feet in the afternoon. Isolated
showers.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 9 feet. Isolated showers.
.THURSDAY...Northeast winds 20 knots. Wind waves 6 feet.
Northwest swell 8 feet. Isolated showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 7 feet. Isolated showers.
.FRIDAY...East winds to 25 knots. Wind waves 8 to 9 feet.
Northwest swell 5 to 6 feet. Isolated showers.
.SATURDAY...East winds 20 knots. Wind waves 8 to 10 feet.
Northwest swell 5 feet. Isolated showers.

$$

PHZ116-200145-
Kaiwi Channel-
330 AM HST Tue Nov 19 2019

.TODAY...Northeast winds 10 knots. Wind waves 5 feet. North swell
5 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered showers and slight chance of
thunderstorms in the evening, then isolated showers after
midnight.
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet increasing to 6 feet in the afternoon. Isolated
showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 10 feet. Isolated showers.
.THURSDAY...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 10 feet. Isolated showers.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 10 feet decreasing to 8 feet after midnight.
Isolated showers.
.FRIDAY...East winds to 25 knots. Wind waves 10 feet. North swell
5 to 7 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 10 to 11 feet.
Northwest swell 5 to 6 feet. Isolated showers.

$$

PHZ117-200145-
Maui County Windward Waters-
330 AM HST Tue Nov 19 2019

.TODAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
5 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Slight chance of thunderstorms in the evening.
Scattered showers through the night.
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet increasing to 6 feet in the afternoon. Scattered
showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 10 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 7 feet. Northwest
swell 10 feet. Scattered showers.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 10 feet decreasing to 8 feet after midnight.
Scattered showers.
.FRIDAY...East winds to 25 knots. Wind waves 10 feet. Northwest
swell 6 to 8 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 10 feet. Northwest
swell 6 feet. Scattered showers.

$$

PHZ118-200145-
Maui County Leeward Waters-
330 AM HST Tue Nov 19 2019

.TODAY...Northeast winds 10 knots. Wind waves 4 feet. North swell
4 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...East winds 10 knots. Wind waves 3 feet. Northwest
swell 3 feet. Scattered showers and slight chance of
thunderstorms in the evening, then isolated showers after
midnight.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 4 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 7 feet. Isolated showers.
.THURSDAY...Northeast winds 20 knots. Wind waves 5 feet.
Northwest swell 7 feet. Isolated showers.
.THURSDAY NIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 7 feet decreasing to 5 feet after midnight.
Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 8 to 9 feet. Northwest
swell 4 to 5 feet. Isolated showers.
.SATURDAY...East winds to 25 knots. Wind waves 10 feet. Northwest
swell 4 feet. Isolated showers.

$$

PHZ119-200145-
Maalaea Bay-
330 AM HST Tue Nov 19 2019

.TODAY...North winds 10 knots backing northwest in the afternoon.
Wind waves 2 feet or less. Scattered heavy showers and slight
chance of thunderstorms.
.TONIGHT...North winds 15 knots. Wind waves 2 feet or less.
Scattered heavy showers and slight chance of thunderstorms in the
evening.
.WEDNESDAY...North winds 20 knots. Wind waves 2 feet or less.
.WEDNESDAY NIGHT...North winds to 25 knots. Wind waves 3 feet.
.THURSDAY...North winds to 25 knots. Wind waves 3 feet.
.THURSDAY NIGHT...North winds to 25 knots. Wind waves 3 feet.
.FRIDAY...North winds to 30 knots. Wind waves 4 feet.
.SATURDAY...North winds to 30 knots. Wind waves 6 to 8 feet.

$$

PHZ120-200145-
Pailolo Channel-
330 AM HST Tue Nov 19 2019

.TODAY...East winds 10 knots. Wind waves 5 feet. Northwest swell
4 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...East winds 15 knots. Wind waves 4 feet. Northwest
swell 3 feet. Scattered showers and slight chance of
thunderstorms in the evening, then isolated showers after
midnight.
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 5 feet.
Northwest swell 7 feet. Isolated showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 7 feet. Isolated showers in the morning, then scattered
showers in the afternoon.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Northwest swell 7 feet decreasing to 5 feet after midnight.
Scattered showers.
.FRIDAY...East winds to 30 knots. Wind waves 8 to 9 feet.
Northwest swell 4 to 5 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 10 to 12 feet.
Northwest swell 4 feet. Scattered showers.

$$

PHZ121-200145-
Alenuihaha Channel-
330 AM HST Tue Nov 19 2019

.TODAY...East winds 10 knots. Wind waves 5 feet. Northwest swell
5 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered heavy showers and slight chance of
thunderstorms in the evening. Isolated showers after midnight.
.WEDNESDAY...East winds 20 knots. Wind waves 5 feet. Northwest
swell 4 feet. Isolated showers in the morning. Scattered showers
in the afternoon.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Northwest swell 9 feet. Isolated showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 9 feet. Isolated showers in the morning.
Scattered showers in the afternoon.
.THURSDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northwest swell 8 feet. Isolated showers.
.FRIDAY...East winds to 30 knots. Wind waves 9 to 11 feet.
Northwest swell 5 to 7 feet. Isolated showers.
.SATURDAY...East winds to 30 knots. Wind waves 13 to 14 feet.
Northwest swell 5 to 6 feet. Isolated showers.

$$

PHZ122-200145-
Big Island Windward Waters-
330 AM HST Tue Nov 19 2019

.TODAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
5 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Slight chance of thunderstorms in the evening.
Scattered showers through the night.
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Scattered showers.
.WEDNESDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Northwest swell 9 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Northwest
swell 10 feet. Scattered showers.
.THURSDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northwest swell 10 feet decreasing to 8 feet after midnight.
Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 7 to 8 feet. Northwest
swell 6 to 8 feet. Scattered showers.
.SATURDAY...East winds to 25 knots. Wind waves 8 to 9 feet.
Northwest swell 6 feet. Scattered showers.

$$

PHZ123-200145-
Big Island Leeward Waters-
330 AM HST Tue Nov 19 2019

.TODAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 feet.
Northwest swell 3 feet. Scattered heavy showers and slight chance
of thunderstorms.
.TONIGHT...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 feet.
Northwest swell 3 feet. Scattered showers and slight chance of
thunderstorms in the evening, then isolated showers after
midnight.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 6 feet.
Northwest swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east 20 knots near South Point. Wind waves 6 feet.
Northwest swell 7 feet. Isolated showers.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 feet.
Northwest swell 8 feet. Isolated showers.
.THURSDAY 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 8 feet decreasing to 6 feet after
midnight. Isolated showers.
.FRIDAY...West of the Big Island, winds variable less than
10 knots becoming northwest 10 knots in the afternoon, then
becoming variable less than 10 knots. Near South Point, east
winds to 25 knots. Wind waves 9 to 10 feet. Northwest swell 4 to
6 feet. Isolated showers.
.SATURDAY...West of the Big Island, west winds 10 knots becoming
variable less than 10 knots, then becoming northwest 10 knots
after midnight. Near South Point, east winds to 25 knots. Wind
waves 12 feet. Northwest swell 4 feet. Isolated showers.

$$

PHZ124-200145-
Big Island Southeast Waters-
330 AM HST Tue Nov 19 2019

.TODAY...East winds 15 knots. Wind waves 5 feet. Northwest swell
4 feet. Scattered heavy showers and slight chance of
thunderstorms.
.TONIGHT...East winds 15 knots. Wind waves 5 feet. Northwest
swell 4 feet. Slight chance of thunderstorms in the evening.
Scattered showers through the night.
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. Northwest
swell 3 feet. Scattered showers.
.WEDNESDAY NIGHT...Northeast winds 20 knots. Wind waves 7 feet.
Northwest swell 6 feet. Scattered showers.
.THURSDAY...Northeast winds to 25 knots. Wind waves 7 feet.
Northwest swell 8 feet. Scattered showers.
.THURSDAY NIGHT...Northeast winds to 25 knots. Wind waves 8 feet.
Northwest swell 8 feet decreasing to 6 feet after midnight.
Scattered showers.
.FRIDAY...Northeast winds to 25 knots. Wind waves 9 feet.
Northwest swell 4 to 6 feet. Scattered showers.
.SATURDAY...Northeast winds to 25 knots. Wind waves 11 to
12 feet. North swell 4 feet. Scattered showers.

$$

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



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