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Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters

432
FZHW50 PHFO 061952
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
952 AM HST Mon Dec 6 2021

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

PHZ100-070900-
952 AM HST Mon Dec 6 2021

.Synopsis for Hawaiian coastal waters...

A slow- west moving kona low west northwest of Kauai is producing
a convergence band of heavy showers, isolated thunderstorms, and
strong and gusty winds over the majority of the local waters
today. The convergence band will gradually drift westward across
much of the island chain through Tuesday. High pressure building
northeast of the area will reinstate moderate to fresh trade
winds.


$$

PHZ110-070900-
Kauai Northwest Waters-
952 AM HST Mon Dec 6 2021

...GALE WARNING IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...South winds to 25 knots. Wind waves 9 feet.
North swell 10 feet. Heavy showers and isolated thunderstorms.
Some thunderstorms may produce gusty winds.
.TONIGHT...South winds to 25 knots becoming east 15 knots after
midnight. Wind waves 9 feet. Mixed swell north 8 feet and south
5 feet. Heavy showers and isolated thunderstorms.
.TUESDAY...Southeast winds to 25 knots easing to 15 knots in the
afternoon. Wind waves 7 feet. Mixed swell north 5 feet and south
6 feet. Heavy showers likely and isolated thunderstorms.
.TUESDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
Mixed swell north 4 feet and south 4 to 5 feet. Heavy showers
likely and isolated thunderstorms.
.WEDNESDAY...Southeast winds 15 knots. Wind waves 6 feet. Mixed
swell north 3 feet and south 3 feet. Heavy showers in the
morning, then showers likely in the afternoon.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet. North
swell 3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 7 to 8 feet. North
swell 3 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 6 feet. North swell
3 to 4 feet. Isolated showers.

$$

PHZ111-070900-
Kauai Windward Waters-
952 AM HST Mon Dec 6 2021

...GALE WARNING IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...South gales to 35 knots easing to to 25 knots in
the afternoon. Wind waves 10 feet. North swell 10 feet and south
3 feet. Heavy showers and isolated thunderstorms. Some
thunderstorms may produce gusty winds.
.TONIGHT...South winds 20 knots becoming northwest 10 knots after
midnight. Wind waves 9 feet. Mixed swell north 8 feet and south
4 to 5 feet. Heavy showers and isolated thunderstorms.
.TUESDAY...Southeast winds 20 knots. Wind waves 5 feet. Mixed
swell north 5 feet and south 4 feet. Heavy showers and isolated
thunderstorms.
.TUESDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
Mixed swell north 5 feet and south 3 feet. Heavy showers and
isolated thunderstorms.
.WEDNESDAY...Southeast winds 15 knots. Wind waves 6 feet. North
swell 3 feet. Swell south 3 feet. Heavy showers in the morning,
then showers likely in the afternoon.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 8 feet. North
swell 3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 7 to 8 feet. North
swell 3 feet. Scattered showers.
.FRIDAY...East winds 20 knots. Wind waves 6 to 7 feet. North
swell 3 to 4 feet. Scattered showers.

$$

PHZ112-070900-
Kauai Leeward Waters-
952 AM HST Mon Dec 6 2021

...GALE WARNING IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...South winds to 30 knots. Wind waves 9 feet.
North swell 10 feet and south 3 feet. Heavy showers and isolated
thunderstorms. Some thunderstorms may produce gusty winds.
.TONIGHT...South winds to 25 knots backing east after midnight.
Wind waves 10 feet. Mixed swell north 7 feet and south 5 to
6 feet. Heavy showers and isolated thunderstorms.
.TUESDAY...Southeast winds 15 knots. Wind waves 7 feet. Mixed
swell north 5 feet and south 6 feet. Heavy showers likely and
isolated thunderstorms.
.TUESDAY NIGHT...Southeast winds 15 knots. Wind waves 4 feet.
Mixed swell north 4 feet and south 4 to 5 feet. Heavy showers
likely and isolated thunderstorms.
.WEDNESDAY...Southeast winds 15 knots. Wind waves 4 feet. Mixed
swell north 3 feet and south 3 feet. Heavy showers in the
morning, then showers likely in the afternoon.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 6 feet. North
swell 3 feet. Showers likely in the evening, then scattered
showers after midnight.
.THURSDAY...East winds 15 knots. Wind waves 6 feet. North swell
3 feet. Scattered showers.
.FRIDAY...East winds 15 knots. Wind waves 5 to 6 feet. North
swell 3 feet. Isolated showers.

$$

PHZ113-070900-
Kauai Channel-
952 AM HST Mon Dec 6 2021

...GALE WARNING IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...South winds to 30 knots. Wind waves 10 feet.
North swell 10 feet and south 5 feet. Heavy showers and isolated
thunderstorms. Some thunderstorms may produce gusty winds.
.TONIGHT...South winds 20 knots becoming north 10 knots after
midnight. Wind waves 9 feet. Mixed swell north 8 feet and south
6 feet. Heavy showers and isolated thunderstorms.
.TUESDAY...Northeast winds 20 knots veering east in the
afternoon. Wind waves 5 feet. Mixed swell north 5 feet and south
4 feet. Heavy showers and isolated thunderstorms.
.TUESDAY NIGHT...Southeast winds 15 knots. Wind waves 5 feet.
Mixed swell north 4 feet and south 3 to 4 feet. Heavy showers and
isolated thunderstorms.
.WEDNESDAY...East winds 10 knots. Wind waves 6 feet. Mixed swell
north 3 feet and south 3 feet. Showers likely in the morning,
then scattered showers in the afternoon.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet. North
swell 3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 7 feet. North swell
3 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. North swell
3 feet. Isolated showers.

$$

PHZ114-070900-
Oahu Windward Waters-
952 AM HST Mon Dec 6 2021

...GALE WARNING IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...South gales to 35 knots becoming southeast
15 knots in the afternoon. Wind waves 10 feet. North swell
9 feet. Swell south 3 to 5 feet. Heavy showers and isolated
thunderstorms. Some thunderstorms may produce gusty winds.
.TONIGHT...South winds 15 knots becoming east to 25 knots after
midnight. Wind waves 8 feet. Mixed swell north 7 feet and south
4 to 5 feet. Heavy showers and isolated thunderstorms.
.TUESDAY...Northwest winds 15 knots veering east in the
afternoon. Wind waves 5 feet. Mixed swell north 5 feet and south
4 feet. Heavy showers and isolated thunderstorms.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 6 feet. Mixed
swell north 4 feet and south 3 feet. Heavy showers likely and
isolated thunderstorms.
.WEDNESDAY...East winds 20 knots. Wind waves 7 feet. North swell
3 feet. Swell south 3 feet. Showers likely in the morning, then
scattered showers in the afternoon.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 8 feet. North
swell 3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 7 to 8 feet. North
swell 3 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 7 feet. North swell
3 feet. Isolated showers.

$$

PHZ115-070900-
Oahu Leeward Waters-
952 AM HST Mon Dec 6 2021

...GALE WARNING IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...South gales to 35 knots becoming southeast to
25 knots in the afternoon. Wind waves 11 feet. Mixed swell north
9 feet and south 6 feet. Heavy showers and isolated
thunderstorms. Some thunderstorms may produce gusty winds.
.TONIGHT...South winds 15 knots backing east after midnight. Wind
waves 7 feet. North swell 7 feet. Swell south 4 to 6 feet. Heavy
showers and isolated thunderstorms.
.TUESDAY...Northwest winds 10 knots becoming south 20 knots in
the afternoon. Wind waves 4 feet. Mixed swell north 5 feet and
south 3 to 4 feet. Heavy showers and isolated thunderstorms.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 4 feet. Mixed
swell north 4 feet and south 3 feet. Heavy showers likely and
isolated thunderstorms.
.WEDNESDAY...East winds 10 knots. Wind waves 4 feet. North swell
3 feet. Swell south 3 feet. Showers likely in the morning, then
scattered showers in the afternoon.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 5 feet.
Scattered showers in the evening, then isolated showers after
midnight.
.THURSDAY...East winds 10 knots rising to 20 knots after
midnight. Wind waves 5 feet.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. North swell
3 feet.

$$

PHZ116-070900-
Kaiwi Channel-
952 AM HST Mon Dec 6 2021

...GALE WARNING IN EFFECT THROUGH LATE THIS AFTERNOON...

.REST OF TODAY...South gales to 35 knots becoming southeast
20 knots in the afternoon. Wind waves 11 feet. Mixed swell north
9 feet and south 5 to 6 feet. Heavy showers and isolated
thunderstorms. Some thunderstorms may produce gusty winds.
.TONIGHT...Southeast winds 15 knots becoming east to 25 knots
after midnight. Wind waves 7 feet. North swell 7 feet. Swell
south 4 to 6 feet. Heavy showers and isolated thunderstorms.
.TUESDAY...West winds 15 knots veering north in the afternoon.
Wind waves 5 feet. Mixed swell north 4 feet and south 3 to
4 feet. Heavy showers likely and isolated thunderstorms.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 6 feet. Mixed
swell north 4 feet and south 3 feet. Heavy showers likely and
isolated thunderstorms.
.WEDNESDAY...East winds 20 knots. Wind waves 7 feet. North swell
3 feet. Scattered showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 8 feet. North
swell 3 feet in the evening. Scattered showers in the evening,
then isolated showers after midnight.
.THURSDAY...East winds 20 knots. Wind waves 7 to 8 feet. North
swell 3 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 7 feet. North swell
3 feet. Isolated showers.

$$

PHZ117-070900-
Maui County Windward Waters-
952 AM HST Mon Dec 6 2021

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

.REST OF TODAY...Southeast winds to 25 knots. Wind waves 9 feet.
North swell 9 feet and south 3 feet. Heavy showers and isolated
thunderstorms. Some thunderstorms may produce gusty winds.
.TONIGHT...East winds 20 knots. Wind waves 7 feet. North swell
6 feet and southwest 3 feet. Heavy showers and isolated
thunderstorms.
.TUESDAY...Southeast winds 20 knots. Wind waves 7 feet. North
swell 4 feet. Scattered heavy showers and isolated thunderstorms.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 7 feet. North
swell 4 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 8 feet. North
swell 3 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 8 feet. North
swell 3 feet. Scattered showers in the evening, then isolated
showers after midnight.
.THURSDAY...East winds 20 knots. Wind waves 7 to 8 feet.
Northeast swell 3 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 6 to 7 feet. North
swell 3 feet. Isolated showers.

$$

PHZ118-070900-
Maui County Leeward Waters-
952 AM HST Mon Dec 6 2021

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

.REST OF TODAY...Southeast winds to 25 knots. Wind waves 11 feet.
North swell 9 feet decreasing to 7 feet in the afternoon. Swell
south 6 feet. Heavy showers and isolated thunderstorms. Some
thunderstorms may produce gusty winds.
.TONIGHT...East winds 10 knots rising to to 25 knots after
midnight. Wind waves 6 feet. North swell 6 feet. Swell south 4 to
6 feet. Heavy showers and isolated thunderstorms.
.TUESDAY...North winds 15 knots. Wind waves 4 feet. Mixed swell
north 4 feet and south 3 to 4 feet. Scattered heavy showers and
isolated thunderstorms.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Mixed
swell north 3 feet and south 3 feet. Scattered showers.
.WEDNESDAY...East winds 15 knots. Wind waves 5 feet. North swell
3 feet. Scattered showers in the morning, then isolated showers
in the afternoon.
.WEDNESDAY NIGHT...East winds 15 knots. Wind waves 7 feet.
Isolated showers in the evening.
.THURSDAY...East winds 15 knots. Wind waves 5 to 7 feet.
.FRIDAY...East winds 15 knots. Wind waves 5 feet. North swell
3 feet.

$$

PHZ119-070900-
Maalaea Bay-
952 AM HST Mon Dec 6 2021

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

.REST OF TODAY...Southeast winds 10 knots late in the morning
becoming variable less than 10 knots. Wind waves 6 feet. Swell
south 3 feet. Heavy showers and isolated thunderstorms. Some
thunderstorms may produce gusty winds.
.TONIGHT...Winds variable less than 10 knots. Wind waves 3 feet
in the evening then 2 feet or less. Swell south 3 feet. Heavy
showers and isolated thunderstorms.
.TUESDAY...North winds 10 knots. Wind waves 2 feet or less.
Scattered heavy showers.
.TUESDAY NIGHT...East winds 10 knots. Wind waves 2 feet or less.
Scattered showers.
.WEDNESDAY...East winds 10 knots in the morning becoming variable
less than 10 knots. Wind waves 2 feet or less. Isolated showers.
.WEDNESDAY NIGHT...North winds 10 knots. Wind waves 2 feet or
less.
.THURSDAY...North winds 10 knots veering east. Wind waves 2 feet
or less.
.FRIDAY...East winds 10 knots backing north. Wind waves 2 feet or
less.

$$

PHZ120-070900-
Pailolo Channel-
952 AM HST Mon Dec 6 2021

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

.REST OF TODAY...Southeast winds to 30 knots becoming east
10 knots in the afternoon. Wind waves 10 feet. Mixed swell north
9 feet and south 5 feet. Heavy showers and isolated
thunderstorms. Some thunderstorms may produce gusty winds.
.TONIGHT...East winds 10 knots rising to to 25 knots after
midnight. Wind waves 5 feet. Mixed swell north 6 feet and south
4 to 5 feet. Heavy showers and isolated thunderstorms.
.TUESDAY...North winds 15 knots. Wind waves 4 feet. Mixed swell
north 4 feet and south 3 to 4 feet. Scattered heavy showers.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 5 feet. North
swell 3 feet. Swell south 3 feet. Scattered showers.
.WEDNESDAY...East winds 15 knots. Wind waves 7 feet. Northeast
swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Isolated showers.
.THURSDAY...East winds 20 knots. Wind waves 6 to 7 feet.
.FRIDAY...East winds 15 knots. Wind waves 6 feet. Northeast swell
3 feet. Isolated showers.

$$

PHZ121-070900-
Alenuihaha Channel-
952 AM HST Mon Dec 6 2021

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

.REST OF TODAY...Southeast winds 20 knots. Wind waves 10 feet.
Mixed swell north 9 feet and south 6 feet. Heavy showers and
isolated thunderstorms. Some thunderstorms may produce gusty
winds.
.TONIGHT...Northeast winds 20 knots becoming east to 30 knots
after midnight. Wind waves 8 feet. North swell 6 feet. Swell
south 4 to 6 feet. Heavy showers likely and isolated
thunderstorms.
.TUESDAY...Northeast winds to 30 knots becoming north 20 knots in
the afternoon. Wind waves 7 feet. Mixed swell north 4 feet and
south 3 feet. Scattered heavy showers.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 7 feet. North
swell 4 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 7 feet. North
swell 3 feet. Isolated showers.
.WEDNESDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Northeast swell 3 feet. Isolated showers.
.THURSDAY...East winds to 25 knots. Wind waves 7 to 8 feet.
.FRIDAY...East winds to 25 knots. Wind waves 6 to 7 feet.
Northeast swell 3 feet.

$$

PHZ122-070900-
Big Island Windward Waters-
952 AM HST Mon Dec 6 2021

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

.REST OF TODAY...Southeast winds to 25 knots. Wind waves 7 feet.
Mixed swell north 9 feet and south 5 feet. Heavy showers and
isolated thunderstorms. Some thunderstorms may produce gusty
winds.
.TONIGHT...Southeast winds to 25 knots. Wind waves 8 feet. North
swell 6 feet and south 3 feet. Heavy showers likely.
.TUESDAY...Southeast winds to 25 knots. Wind waves 7 feet. North
swell 5 feet. Scattered heavy showers.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 7 feet. North
swell 4 feet. Scattered showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 7 feet. North
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 7 feet. North
swell 3 feet. Isolated showers.
.THURSDAY...East winds 20 knots. Wind waves 6 to 7 feet.
Northeast swell 3 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 6 feet. Northeast swell
3 feet. Isolated showers.

$$

PHZ123-070900-
Big Island Leeward Waters-
952 AM HST Mon Dec 6 2021

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

.REST OF TODAY...West of the Big Island, southeast winds to
25 knots becoming northwest 10 knots in the afternoon. Near South
Point, east winds to 25 knots. Wind waves 7 feet. Mixed swell
north 6 feet and south 6 feet. Heavy showers and isolated
thunderstorms. Some thunderstorms may produce gusty winds.
.TONIGHT...West of the Big Island, north winds 10 knots in the
evening becoming variable less than 10 knots. Near South Point,
east winds to 25 knots. Wind waves 8 feet. Mixed swell north
5 feet and south 4 to 5 feet. Heavy showers likely.
.TUESDAY...West of the Big Island, northeast winds 10 knots
backing northwest in the afternoon. Near South Point, east winds
to 30 knots easing to 20 knots in the afternoon. Wind waves
6 feet. Mixed swell north 3 feet and south 3 feet. Scattered
heavy showers.
.TUESDAY NIGHT...North winds 10 knots west of the Big Island...
east to 25 knots near South Point. Wind waves 7 feet. Scattered
showers.
.WEDNESDAY...West of the Big Island, southeast winds 10 knots in
the morning becoming variable less than 10 knots. Near South
Point, east winds to 25 knots. Wind waves 8 feet. Isolated
showers.
.WEDNESDAY NIGHT...Northwest winds 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 feet.
Isolated showers in the evening.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 7 to 8 feet.
.FRIDAY...West of the Big Island, winds variable less than
10 knots becoming north 10 knots after midnight. Near South
Point, east winds 20 knots. Wind waves 7 to 8 feet.

$$

PHZ124-070900-
Big Island Southeast Waters-
952 AM HST Mon Dec 6 2021

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

.REST OF TODAY...East winds 20 knots. Wind waves 6 feet. Mixed
swell north 9 feet and south 5 feet. Heavy showers likely and
isolated thunderstorms. Some thunderstorms may produce gusty
winds.
.TONIGHT...East winds 20 knots. Wind waves 6 feet. North swell
7 feet and south 3 feet. Heavy showers likely.
.TUESDAY...East winds 20 knots. Wind waves 6 feet. Northeast
swell 5 feet. Scattered heavy showers.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Northeast swell 4 feet. Scattered showers.
.WEDNESDAY...East winds 20 knots. Wind waves 7 feet. Northeast
swell 4 feet. Scattered showers in the morning, then isolated
showers in the afternoon.
.WEDNESDAY NIGHT...East winds 20 knots. Wind waves 8 feet.
Northeast swell 3 feet. Isolated showers through the night.
.THURSDAY...Northeast winds 20 knots. Wind waves 8 feet.
Northeast swell 3 feet. Isolated showers.
.FRIDAY...East winds 20 knots. Wind waves 7 to 8 feet. Northeast
swell 3 feet. Isolated showers.

$$

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



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