Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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FZUS52 KTBW 221902
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Area - Ruskin FL
302 PM EDT Sun Oct 22 2017

Gulf coastal waters from Bonita Beach to the mouth of the
Suwannee River out to 60 NM.

Important notice to mariners...marine forecasts are issued at least
four times a day. Boaters on extended trips should routinely monitor
subsequent forecast issuances and updates for the latest marine
weather information.

The wave heights are forecast as significant wave height which
is the average of the highest one-third of the waves.
The highest waves may rarely be twice the significant wave height.
The winds and seas near thunderstorms may be higher than forecast.

GMZ800-230330-
SYNOPSIS FOR THE COASTAL WATERS FROM BONITA BEACH TO SUWANNEE RIVER-
302 PM EDT Sun Oct 22 2017

.SYNOPSIS...Southeast winds will increase over the waters after
midnight resulting in the need for small craft exercise caution
statements. The first significant cold front of the year is forecast
to move into our waters Monday night and Tuesday. Numerous showers
and scattered thunderstorms will move across the waters ahead of the
front beginning in our northern waters on Monday and continuing
southeast through the waters Monday night and early Tuesday. Winds
will shift to the northwest behind the front and may reach small
craft advisory levels Tuesday night and Wednesday. High pressure will
build back over the waters on Thursday then move northeast into the
Atlantic on Friday.

$$

GMZ830-230330-
Tampa Bay waters-
302 PM EDT Sun Oct 22 2017

.TONIGHT...Southeast winds around 10 knots increasing to 10 to 15
knots by morning. Bay and inland waters becoming a moderate chop.
Isolated thunderstorms in the evening.
.MONDAY...South winds around 15 knots. Bay and inland waters a
moderate chop. A chance of showers and a slight chance of
thunderstorms in the morning, then a chance of thunderstorms in the
afternoon.
.MONDAY NIGHT...South winds around 10 knots then becoming west
toward morning. Bay and inland waters a light chop. A chance of
thunderstorms in the evening. Showers likely. A slight chance of
thunderstorms after midnight.
.TUESDAY...Northwest winds around 10 knots. Bay and inland waters a
light chop. A chance of showers and a slight chance of
thunderstorms.
.TUESDAY NIGHT...North winds around 15 knots. Bay and inland waters
a moderate chop. A slight chance of thunderstorms in the evening.
.WEDNESDAY...North winds around 15 knots. Bay and inland waters a
moderate chop.
.WEDNESDAY NIGHT...Northwest winds around 15 knots then becoming
north 5 to 10 knots after midnight. Bay and inland waters a moderate
chop.
.THURSDAY...Northeast winds around 10 knots. Bay and inland waters a
light chop.
.THURSDAY NIGHT...East winds around 10 knots. Bay and inland waters
a light chop.
.FRIDAY...East winds around 10 knots. Bay and inland waters a light
chop.

$$

GMZ836-230330-
Charlotte Harbor and Pine Island Sound-
302 PM EDT Sun Oct 22 2017

.TONIGHT...Southeast winds around 10 knots. Bay and inland waters a
light chop.
.MONDAY...South winds around 10 knots. Bay and inland waters a light
chop. A slight chance of thunderstorms in the morning, then a chance
of thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 10 knots. Bay and inland waters a
light chop. A chance of thunderstorms in the evening. Showers
likely. A slight chance of thunderstorms after midnight.
.TUESDAY...South winds around 5 knots then becoming northwest around
10 knots late in the afternoon. Bay and inland waters a light chop.
Showers likely and a slight chance of thunderstorms.
.TUESDAY NIGHT...North winds 5 to 10 knots increasing to around
15 knots toward morning. Bay and inland waters a moderate chop. A
chance of showers and a slight chance of thunderstorms in the
evening, then a slight chance of showers after midnight.
.WEDNESDAY...North winds around 15 knots. Bay and inland waters a
moderate chop.
.WEDNESDAY NIGHT...North winds around 15 knots diminishing to 5 to
10 knots after midnight. Bay and inland waters a moderate chop.
.THURSDAY...Northeast winds around 10 knots. Bay and inland waters a
light chop.
.THURSDAY NIGHT...Northeast winds around 10 knots. Bay and inland
waters a light chop.
.FRIDAY...East winds around 10 knots. Bay and inland waters a light
chop. A chance of showers.

$$

GMZ856-230330-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
302 PM EDT Sun Oct 22 2017

.TONIGHT...Southeast winds 5 to 10 knots increasing to around
15 knots in the late evening and overnight. Seas 2 to 3 feet. Bay
and inland waters a moderate chop.
.MONDAY...South winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop. A slight chance of thunderstorms in
the morning, then a chance of thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Seas 2 to 3 feet. Bay
and inland waters a moderate chop. A chance of thunderstorms in the
evening. Showers likely. A slight chance of thunderstorms after
midnight.
.TUESDAY...Southwest winds 5 to 10 knots then becoming west late in
the morning, then becoming northwest early in the afternoon
increasing to around 15 knots late in the afternoon. Seas 2 feet.
Bay and inland waters a moderate chop. Showers likely in the
morning. A slight chance of thunderstorms. A chance of showers in
the afternoon.
.TUESDAY NIGHT...North winds around 15 knots. Seas 2 to 4 feet. Bay
and inland waters a moderate chop. A chance of showers and a slight
chance of thunderstorms in the evening. A slight chance of showers
after midnight.
.WEDNESDAY...North winds around 20 knots. Seas 3 to 5 feet. Bay and
inland waters choppy.
.WEDNESDAY NIGHT...North winds around 15 knots diminishing to 5 to
10 knots toward morning. Seas 3 to 5 feet. Bay and inland waters a
moderate chop.
.THURSDAY...Northeast winds around 10 knots. Seas 2 to 3 feet. Bay
and inland waters a light chop.
.THURSDAY NIGHT...East winds around 15 knots. Seas 2 to 3 feet. Bay
and inland waters a moderate chop.
.FRIDAY...East winds around 15 knots. Seas 2 feet. Bay and inland
waters a moderate chop. A slight chance of showers.

$$

GMZ876-230330-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
302 PM EDT Sun Oct 22 2017

...SMALL CRAFT EXERCISE CAUTION...

.TONIGHT...Southeast winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. Seas 2 to 4 feet. A slight
chance of thunderstorms after midnight.
.MONDAY...South winds 15 to 20 knots. Seas 2 to 4 feet. A chance of
showers and a slight chance of thunderstorms in the morning, then a
chance of thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 15 knots then becoming southwest
5 to 10 knots toward morning. Seas 2 to 4 feet. A chance of
thunderstorms in the evening. Showers likely. A slight chance of
thunderstorms after midnight.
.TUESDAY...West winds 5 to 10 knots then becoming northwest in the
late morning and early afternoon, then becoming north around
15 knots late in the afternoon. Seas 2 to 3 feet. Showers likely in
the morning. A slight chance of thunderstorms. A chance of showers
in the afternoon.
.TUESDAY NIGHT...North winds 10 to 15 knots increasing to around
20 knots after midnight. Seas 3 to 5 feet. A chance of showers and a
slight chance of thunderstorms in the evening.
.WEDNESDAY...North winds around 20 knots. Seas 5 to 7 feet.
.WEDNESDAY NIGHT...North winds around 20 knots diminishing to 10 to
15 knots after midnight. Seas 4 to 6 feet.
.THURSDAY...Northeast winds around 10 knots. Seas 2 to 4 feet.
.THURSDAY NIGHT...East winds around 15 knots. Seas 2 to 3 feet.
.FRIDAY...East winds around 15 knots. Seas 2 to 3 feet. A slight
chance of showers.

$$

GMZ853-230330-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
302 PM EDT Sun Oct 22 2017

.TONIGHT...Southeast winds 5 to 10 knots increasing to around
15 knots after midnight. Seas 2 to 3 feet. Bay and inland waters a
moderate chop. A slight chance of thunderstorms in the evening.
.MONDAY...South winds around 15 knots. Seas 2 to 4 feet. Bay and
inland waters a moderate chop. A chance of showers and a slight
chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 15 knots then becoming southwest
5 to 10 knots in the late evening and early morning, then becoming
west toward morning. Seas 2 to 4 feet. Bay and inland waters a
moderate chop. A chance of thunderstorms in the evening. Showers
likely. A slight chance of thunderstorms after midnight.
.TUESDAY...Northwest winds 5 to 10 knots then becoming north around
15 knots in the late morning and afternoon. Seas 2 to 3 feet. Bay
and inland waters a moderate chop. A chance of showers and a slight
chance of thunderstorms.
.TUESDAY NIGHT...North winds 10 to 15 knots increasing to around
20 knots toward morning. Seas 2 to 4 feet. Bay and inland waters
choppy. A slight chance of thunderstorms in the evening.
.WEDNESDAY...North winds around 20 knots. Seas 3 to 5 feet. Bay and
inland waters choppy.
.WEDNESDAY NIGHT...North winds around 15 knots diminishing to 5 to
10 knots toward morning. Seas 3 to 5 feet. Bay and inland waters a
moderate chop.
.THURSDAY...Northeast winds around 10 knots. Seas 2 to 4 feet. Bay
and inland waters a light chop.
.THURSDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet. Bay
and inland waters a light chop.
.FRIDAY...East winds around 15 knots. Seas 2 feet. Bay and inland
waters a moderate chop. A slight chance of showers in the afternoon.

$$

GMZ873-230330-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
302 PM EDT Sun Oct 22 2017

...SMALL CRAFT EXERCISE CAUTION...

.TONIGHT...Southeast winds 10 to 15 knots increasing to 15 to 20
knots toward morning. Seas 2 to 4 feet. A slight chance of
thunderstorms.
.MONDAY...South winds 15 to 20 knots diminishing to 10 to 15 knots
late in the afternoon. Seas 3 to 5 feet. A chance of showers and a
slight chance of thunderstorms in the morning, then showers likely
and a chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southwest winds around 15 knots then becoming
northwest around 10 knots toward morning. Seas 2 to 4 feet. A chance
of thunderstorms in the evening. Showers likely. A slight chance of
thunderstorms after midnight.
.TUESDAY...North winds around 15 knots. Seas 2 to 4 feet. A chance
of showers in the morning. A slight chance of thunderstorms.
.TUESDAY NIGHT...North winds around 20 knots. Seas 3 to 5 feet.
.WEDNESDAY...North winds around 20 knots. Seas 4 to 6 feet.
.WEDNESDAY NIGHT...Northwest winds around 20 knots then becoming
north 10 to 15 knots after midnight. Seas 4 to 6 feet.
.THURSDAY...Northeast winds around 10 knots. Seas 2 to 4 feet.
.THURSDAY NIGHT...East winds 5 to 10 knots increasing to around
15 knots after midnight. Seas 2 to 3 feet.
.FRIDAY...East winds around 15 knots. Seas 2 to 3 feet.

$$

GMZ850-230330-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
302 PM EDT Sun Oct 22 2017

.TONIGHT...Southeast winds 5 to 10 knots increasing to around
15 knots after midnight. Seas 2 feet. Bay and inland waters a
moderate chop. Scattered showers in the evening. A slight chance of
thunderstorms.
.MONDAY...Southeast winds 10 to 15 knots then becoming south 15 to
20 knots in the late morning and afternoon. Seas 2 to 4 feet. Bay and
inland waters choppy. A chance of showers and a slight chance of
thunderstorms in the morning, then showers likely and a chance of
thunderstorms in the afternoon.
.MONDAY NIGHT...Southwest winds around 15 knots then becoming west
5 to 10 knots after midnight, then becoming northwest toward
morning. Seas 2 to 4 feet. Bay and inland waters a moderate chop.
Showers likely and a chance of thunderstorms in the evening, then a
chance of showers and a slight chance of thunderstorms after
midnight.
.TUESDAY...North winds around 15 knots then becoming northwest 5 to
10 knots early in the afternoon, then increasing to around 15 knots
late in the afternoon. Seas 2 to 3 feet. Bay and inland waters a
moderate chop. A slight chance of thunderstorms in the morning.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots then becoming north
around 20 knots after midnight. Seas 2 to 4 feet. Bay and inland
waters choppy.
.WEDNESDAY...North winds around 20 knots then becoming northwest
10 to 15 knots in the late morning and afternoon. Seas 2 to 4 feet.
Bay and inland waters choppy.
.WEDNESDAY NIGHT...North winds around 15 knots diminishing to 5 to
10 knots toward morning. Seas 2 to 4 feet. Bay and inland waters a
moderate chop.
.THURSDAY...Northeast winds around 10 knots. Seas 2 to 3 feet. Bay
and inland waters a light chop.
.THURSDAY NIGHT...East winds around 10 knots. Seas 2 feet. Bay and
inland waters a light chop.
.FRIDAY...East winds 5 to 10 knots increasing to around 15 knots
late in the afternoon. Seas 2 feet or less. Bay and inland waters a
moderate chop.

$$

GMZ870-230330-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
302 PM EDT Sun Oct 22 2017

...SMALL CRAFT EXERCISE CAUTION...

.TONIGHT...Southeast winds 5 to 10 knots increasing to 15 to 20
knots after midnight. Seas 2 to 3 feet. A slight chance of
thunderstorms.
.MONDAY...South winds 15 to 20 knots. Seas 3 to 5 feet. A chance of
showers and a slight chance of thunderstorms in the morning, then
showers and a chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southwest winds around 20 knots then becoming west
10 to 15 knots late in the evening, then becoming northwest after
midnight. Seas 3 to 5 feet. Showers likely and a chance of
thunderstorms in the evening, then a chance of showers and a slight
chance of thunderstorms after midnight.
.TUESDAY...North winds around 15 knots. Seas 2 to 4 feet. A slight
chance of thunderstorms in the morning.
.TUESDAY NIGHT...North winds around 20 knots. Seas 3 to 5 feet.
.WEDNESDAY...Northwest winds around 20 knots. Seas 4 to 6 feet.
.WEDNESDAY NIGHT...North winds around 15 knots. Seas 3 to 5 feet.
.THURSDAY...Northeast winds around 10 knots. Seas 2 to 4 feet.
.THURSDAY NIGHT...East winds around 10 knots. Seas 2 feet.
.FRIDAY...East winds around 15 knots. Seas 2 feet.

$$


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