Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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FZUS52 KTBW 201319
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Area - Ruskin FL
919 AM EDT Fri Oct 20 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.

GMZ800-202130-
SYNOPSIS FOR THE COASTAL WATERS FROM BONITA BEACH TO SUWANNEE RIVER-
919 AM EDT Fri Oct 20 2017

.SYNOPSIS...Strong high pressure to the north will be the dominant
surface feature influencing the weather over the coastal waters with
gusty east-northeast winds reaching small craft advisory level at
times over the next couple of days. A cold front approaches the
area next week shifting winds and seas from the south by the Monday
ahead of the front and rain/storm chances will be on the increase.
Winds will further shift to the north-northwest by the middle of next
week in the wake of this front. Drier air and decreasing rain
chances expected into next week.

$$

GMZ830-202130-
Tampa Bay waters-
919 AM EDT Fri Oct 20 2017

.THIS AFTERNOON...Northeast winds 10 to 15 knots. Bay and inland
waters a moderate chop.
.TONIGHT...Northeast winds around 15 knots. Bay and inland waters a
moderate chop.
.SATURDAY...East winds around 15 knots. Bay and inland waters a
moderate chop.
.SATURDAY NIGHT...East winds around 15 knots. Bay and inland waters
a moderate chop.
.SUNDAY...East winds around 15 knots then becoming southeast 5 to
10 knots late in the afternoon. Bay and inland waters a moderate
chop. Scattered showers in the afternoon.
.SUNDAY NIGHT...Southeast winds around 10 knots. Bay and inland
waters a light chop. Scattered showers in the evening. A slight
chance of thunderstorms.
.MONDAY...Southeast winds 5 to 10 knots then becoming south around
15 knots in the afternoon. Bay and inland waters a moderate chop. A
chance of thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Bay and inland waters a
light chop. Thunderstorms likely.
.TUESDAY...West winds around 10 knots then becoming northwest in the
afternoon. Bay and inland waters a light chop. Thunderstorms likely
in the morning, then a chance of thunderstorms in the afternoon.

$$

GMZ836-202130-
Charlotte Harbor and Pine Island Sound-
919 AM EDT Fri Oct 20 2017

.THIS AFTERNOON...Northeast winds 10 to 15 knots. Bay and inland
waters a moderate chop. Isolated showers in the afternoon.
.TONIGHT...Northeast winds around 15 knots. Bay and inland waters a
moderate chop.
.SATURDAY...East winds around 15 knots. Bay and inland waters a
moderate chop. Isolated showers in the afternoon.
.SATURDAY NIGHT...East winds around 15 knots diminishing to 5 to
10 knots toward morning. Bay and inland waters a moderate chop.
Isolated showers in the evening.
.SUNDAY...Southeast winds around 10 knots. Bay and inland waters a
light chop. Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds around 10 knots. Bay and inland waters a
light chop. Scattered showers in the evening.
.MONDAY...Southeast 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. Thunderstorms likely.
.TUESDAY...West winds around 10 knots. Bay and inland waters a light
chop. Thunderstorms likely.

$$

GMZ856-202130-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
919 AM EDT Fri Oct 20 2017

.THIS AFTERNOON...Northeast winds 10 to 15 knots. Seas 2 to 4 feet.
Bay and inland waters a moderate chop. Isolated showers in the
afternoon.
.TONIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Bay and
inland waters choppy.
.SATURDAY...East winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop. Isolated showers in the afternoon.
.SATURDAY NIGHT...East winds around 20 knots diminishing to 10 to
15 knots after midnight. Seas 2 to 3 feet. Bay and inland waters
choppy. Isolated showers.
.SUNDAY...Southeast winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop. Isolated showers in the morning.
Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds around 15 knots. Seas 2 to 3 feet. Bay
and inland waters a moderate chop. A slight chance of thunderstorms.
.MONDAY...Southeast 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 toward morning. Seas 2 to 3 feet. Bay and inland waters a
moderate chop. A chance of thunderstorms in the evening, then
thunderstorms likely after midnight.
.TUESDAY...West winds around 10 knots. Seas 2 to 3 feet. Bay and
inland waters a light chop. Thunderstorms likely.

$$

GMZ876-202130-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
919 AM EDT Fri Oct 20 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...

.THIS AFTERNOON...Northeast winds around 15 knots. Seas 3 to 5 feet.
.TONIGHT...East winds around 20 knots. Seas 4 to 6 feet.
.SATURDAY...East winds around 20 knots. Seas 3 to 5 feet.
.SATURDAY NIGHT...East winds around 20 knots. Seas 3 to 5 feet.
Scattered showers.
.SUNDAY...Southeast winds around 20 knots diminishing to 10 to
15 knots late in the afternoon. Seas 3 to 5 feet. Isolated showers.
.SUNDAY NIGHT...Southeast winds around 15 knots. Seas 2 to 4 feet. A
chance of thunderstorms.
.MONDAY...Southeast winds around 15 knots. Seas 2 to 4 feet. A
chance of thunderstorms.
.MONDAY NIGHT...South winds around 15 knots. Seas 2 to 4 feet.
Thunderstorms likely.
.TUESDAY...Southwest winds around 10 knots then becoming northwest
in the afternoon. Seas 2 to 4 feet. Thunderstorms likely in the
morning, then a chance of thunderstorms in the afternoon.

$$

GMZ853-202130-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
919 AM EDT Fri Oct 20 2017

.THIS AFTERNOON...Northeast winds around 15 knots. Seas 2 to 4 feet.
Bay and inland waters a moderate chop.
.TONIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet. Bay and
inland waters choppy.
.SATURDAY...East winds 10 to 15 knots increasing to around 20 knots
late in the morning, then diminishing to 10 to 15 knots in the
afternoon. Seas 2 to 3 feet. Bay and inland waters choppy.
.SATURDAY NIGHT...East winds around 20 knots diminishing to 10 to
15 knots after midnight. Seas 2 to 3 feet. Bay and inland waters
choppy.
.SUNDAY...East winds around 15 knots then becoming southeast 5 to
10 knots late in the afternoon. Seas 2 to 3 feet. Bay and inland
waters a moderate chop. Scattered showers in the afternoon.
.SUNDAY NIGHT...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. Scattered showers in the evening.
A slight chance of thunderstorms.
.MONDAY...South winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop. A chance of thunderstorms.
.MONDAY NIGHT...South winds around 15 knots. Seas 2 to 3 feet. Bay
and inland waters a moderate chop. Thunderstorms likely.
.TUESDAY...West winds around 15 knots then becoming northwest in the
afternoon. Seas 2 to 4 feet. Bay and inland waters a moderate chop.
Thunderstorms likely in the morning, then a chance of thunderstorms
in the afternoon.

$$

GMZ873-202130-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
919 AM EDT Fri Oct 20 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...

.THIS AFTERNOON...Northeast winds around 15 knots. Seas 3 to 5 feet.
.TONIGHT...East winds around 20 knots. Seas 4 to 6 feet.
.SATURDAY...East winds around 20 knots diminishing to 10 to 15 knots
late in the afternoon. Seas 3 to 5 feet.
.SATURDAY NIGHT...East winds around 20 knots. Seas 3 to 5 feet.
Isolated showers.
.SUNDAY...East winds around 20 knots then becoming southeast 10 to
15 knots in the afternoon. Seas 3 to 5 feet. Isolated showers in the
morning, then scattered showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots increasing to around
15 knots in the late evening and overnight. Seas 2 to 4 feet. A
chance of thunderstorms.
.MONDAY...South winds around 15 knots. Seas 2 to 4 feet. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.
.MONDAY NIGHT...Southwest winds around 15 knots. Seas 2 to 4 feet.
Thunderstorms likely.
.TUESDAY...Northwest winds around 15 knots. Seas 3 to 5 feet.
Thunderstorms likely in the morning, then a chance of thunderstorms
in the afternoon.

$$

GMZ850-202130-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
919 AM EDT Fri Oct 20 2017

.THIS AFTERNOON...Northeast winds 10 to 15 knots. Seas 2 to 4 feet.
Bay and inland waters a moderate chop.
.TONIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Bay and
inland waters choppy.
.SATURDAY...East winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop.
.SATURDAY NIGHT...East winds around 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Seas 2 to 3 feet. Bay
and inland waters choppy.
.SUNDAY...East winds around 15 knots diminishing to 5 to 10 knots
late in the afternoon. Seas 2 feet. Bay and inland waters a moderate
chop. Scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots then becoming southeast
around 15 knots in the late evening and overnight. Seas 2 feet. Bay
and inland waters a moderate chop. A chance of thunderstorms.
.MONDAY...South winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop. A chance of thunderstorms in the
morning, then thunderstorms likely in the afternoon.
.MONDAY NIGHT...Southwest winds around 15 knots. Seas 2 to 4 feet.
Bay and inland waters a moderate chop. Thunderstorms likely in the
evening, then thunderstorms after midnight.
.TUESDAY...West winds around 15 knots. Seas 2 to 4 feet. Bay and
inland waters a moderate chop. A chance of thunderstorms.

$$

GMZ870-202130-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
919 AM EDT Fri Oct 20 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
SATURDAY MORNING...

.THIS AFTERNOON...Northeast winds around 15 knots diminishing. Seas
3 to 5 feet.
.TONIGHT...East winds around 20 knots. Seas 4 to 6 feet.
.SATURDAY...East winds around 20 knots then becoming northeast 10 to
15 knots late in the afternoon. Seas 2 to 4 feet.
.SATURDAY NIGHT...East winds around 20 knots diminishing to 10 to
15 knots toward morning. Seas 3 to 5 feet.
.SUNDAY...East winds around 15 knots diminishing to 5 to 10 knots
late in the afternoon. Seas 2 to 4 feet. Scattered showers in the
afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots then becoming southeast
around 15 knots in the late evening and overnight. Seas 2 to 3 feet.
Scattered showers in the evening. A chance of thunderstorms.
.MONDAY...South winds around 20 knots. Seas 2 to 4 feet.
Thunderstorms likely.
.MONDAY NIGHT...Southwest winds around 20 knots. Seas 3 to 5 feet.
Thunderstorms likely.
.TUESDAY...Northwest winds around 15 knots. Seas 3 to 5 feet. A
chance of thunderstorms.

$$



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