Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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FZUS52 KTBW 170740
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Area - Ruskin FL
340 AM EDT Tue Oct 17 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.

GMZ800-171615-
SYNOPSIS FOR THE COASTAL WATERS FROM BONITA BEACH TO SUWANNEE RIVER-
340 AM EDT Tue Oct 17 2017

.SYNOPSIS...
Cautionary to borderlined advisory winds will persist over the
northern waters today behind a stalled front. As high pressure
intensifies north of the waters today and tonight, cautionary to
advisory level winds are forecast to spread southward to include most
of the coastal waters. Breezy northeast winds coupled with building
seas will likely generate hazardous boating conditions, especially
over the offshore waters tonight into early Wednesday morning. While
winds may slacken somewhat during the day Wednesday, easterly wind
surges will likely result in periods of cautionary to advisory level
winds each night and early morning through the latter half of the
week. This weekend, winds may improve a bit as high pressure finally
slips eastward, resulting in a relaxed gradient over the waters.

$$

GMZ830-171615-
Tampa Bay waters-
340 AM EDT Tue Oct 17 2017

.TODAY...Northeast winds 10 to 15 knots. Bay and inland waters a
moderate chop. Scattered showers in the morning. Isolated
thunderstorms.
.TONIGHT...Northeast winds 15 to 20 knots diminishing to 10 to 15
knots in the late evening and overnight. Bay and inland waters
choppy. Scattered showers and isolated thunderstorms in the evening.
.WEDNESDAY...Northeast winds around 15 knots. Bay and inland waters
a moderate chop. Scattered showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds around 15 knots. Bay and inland
waters a moderate chop. Scattered showers in the evening.
.THURSDAY...Northeast winds around 15 knots. Bay and inland waters a
moderate chop. Isolated thunderstorms.
.THURSDAY NIGHT...Northeast winds around 15 knots. Bay and inland
waters a moderate chop. Isolated thunderstorms in the evening.
.FRIDAY...Northeast winds around 15 knots. Bay and inland waters a
moderate chop.
.FRIDAY NIGHT...East 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 thunderstorms.

$$

GMZ836-171615-
Charlotte Harbor and Pine Island Sound-
340 AM EDT Tue Oct 17 2017

.TODAY...Northeast winds around 10 knots. Bay and inland waters a
light chop. Isolated thunderstorms.
.TONIGHT...Northeast winds around 15 knots diminishing to 5 to
10 knots toward morning. Bay and inland waters a moderate chop.
Isolated thunderstorms in the evening. Scattered showers.
.WEDNESDAY...Northeast winds around 10 knots. Bay and inland waters
a light chop. Scattered showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds around 15 knots diminishing to
5 to 10 knots after midnight. Bay and inland waters a moderate chop.
Scattered showers in the evening.
.THURSDAY...Northeast winds around 10 knots. Bay and inland waters a
light chop. Isolated thunderstorms.
.THURSDAY NIGHT...Northeast winds around 15 knots diminishing to
5 to 10 knots toward morning. Bay and inland waters a moderate chop.
Isolated thunderstorms in the evening.
.FRIDAY...Northeast winds around 15 knots. Bay and inland waters a
moderate chop. Isolated thunderstorms.
.FRIDAY NIGHT...East winds around 15 knots. Bay and inland waters a
moderate chop. Isolated thunderstorms.
.SATURDAY...East winds around 15 knots. Bay and inland waters a
moderate chop. Scattered showers and isolated thunderstorms.

$$

GMZ856-171615-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
340 AM EDT Tue Oct 17 2017

.TODAY...East winds 5 to 10 knots increasing to around 15 knots late
in the morning, then becoming northeast 5 to 10 knots in the
afternoon. Seas 2 feet. Bay and inland waters a moderate chop.
Isolated thunderstorms.
.TONIGHT...Northeast winds 10 to 15 knots increasing to around
20 knots late in the evening, then diminishing to 10 to 15 knots
after midnight. Seas 2 to 3 feet. Bay and inland waters choppy.
Scattered showers and isolated thunderstorms in the evening, then
isolated showers after midnight.
.WEDNESDAY...Northeast winds around 15 knots diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Bay and inland waters a
moderate chop. Isolated showers in the morning. Scattered showers in
the afternoon.
.WEDNESDAY NIGHT...Northeast winds around 15 knots. Seas 2 to
3 feet. Bay and inland waters a moderate chop. Scattered showers in
the evening. Isolated thunderstorms.
.THURSDAY...Northeast winds around 15 knots. Seas 2 to 3 feet. Bay
and inland waters a moderate chop. Isolated thunderstorms.
.THURSDAY NIGHT...Northeast winds around 15 knots. Seas 2 to 3 feet.
Bay and inland waters a moderate chop. Isolated thunderstorms in the
evening.
.FRIDAY...Northeast winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop. Isolated thunderstorms.
.FRIDAY 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 thunderstorms.
.SATURDAY...East winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop. Scattered showers and isolated
thunderstorms.

$$

GMZ876-171615-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
340 AM EDT Tue Oct 17 2017

.TODAY...East winds 5 to 10 knots increasing to around 15 knots in
the late morning and early afternoon, then becoming northeast 5 to
10 knots late in the afternoon. Seas 2 to 3 feet. Scattered showers
in the morning. Isolated thunderstorms.
.TONIGHT...Northeast winds around 20 knots. Seas 3 to 5 feet.
Isolated thunderstorms in the evening. Scattered showers.
.WEDNESDAY...Northeast winds around 15 knots diminishing to 5 to
10 knots late in the afternoon. Seas 2 to 4 feet. Isolated showers.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots increasing to
around 20 knots in the late evening and overnight. Seas 3 to 5 feet.
Isolated thunderstorms.
.THURSDAY...Northeast winds around 15 knots. Seas 2 to 4 feet.
Isolated thunderstorms.
.THURSDAY NIGHT...Northeast winds around 20 knots. Seas 3 to 5 feet.
Isolated thunderstorms.
.FRIDAY...East winds around 20 knots. Seas 2 to 4 feet. Isolated
thunderstorms.
.FRIDAY NIGHT...East winds around 20 knots. Seas 3 to 5 feet.
Isolated thunderstorms.
.SATURDAY...East winds around 20 knots. Seas 3 to 5 feet. Isolated
thunderstorms.

$$

GMZ853-171615-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
340 AM EDT Tue Oct 17 2017

.TODAY...Northeast winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop. Scattered showers in the morning.
Isolated thunderstorms.
.TONIGHT...Northeast winds around 20 knots. Seas 3 to 5 feet. Bay
and inland waters choppy. Isolated thunderstorms in the evening.
Isolated showers after midnight.
.WEDNESDAY...Northeast winds around 20 knots diminishing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet. Bay and inland waters
choppy. Isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds around 20 knots diminishing to
10 to 15 knots after midnight. Seas 2 to 4 feet. Bay and inland
waters choppy. Isolated showers in the evening.
.THURSDAY...Northeast winds around 15 knots. Seas 2 to 3 feet. Bay
and inland waters a moderate chop. Isolated thunderstorms.
.THURSDAY NIGHT...Northeast winds around 15 knots. Seas 2 to 3 feet.
Bay and inland waters a moderate chop. Isolated thunderstorms in the
evening.
.FRIDAY...East winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop. Isolated thunderstorms in the
afternoon.
.FRIDAY NIGHT...East winds around 15 knots. Seas 2 to 3 feet. Bay
and inland waters a moderate chop.
.SATURDAY...East winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop. Isolated thunderstorms.

$$

GMZ873-171615-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
340 AM EDT Tue Oct 17 2017

.TODAY...Northeast winds 10 to 15 knots increasing to around
20 knots in the late morning and afternoon. Seas 3 to 5 feet.
Scattered showers in the morning. Isolated thunderstorms.
.TONIGHT...Northeast winds around 20 knots increasing to 20 to
25 knots in the late evening and early morning, then diminishing to
around 20 knots toward morning. Seas 5 to 7 feet. Isolated
thunderstorms in the evening, then isolated showers after midnight.
.WEDNESDAY...Northeast winds around 20 knots. Seas 4 to 6 feet.
Isolated showers.
.WEDNESDAY NIGHT...Northeast winds around 20 knots. Seas 4 to
6 feet. Isolated thunderstorms.
.THURSDAY...Northeast winds around 15 knots. Seas 2 to 4 feet.
Isolated thunderstorms.
.THURSDAY NIGHT...Northeast winds around 20 knots. Seas 3 to 5 feet.
Isolated thunderstorms.
.FRIDAY...East winds around 20 knots. Seas 2 to 4 feet. Isolated
thunderstorms.
.FRIDAY NIGHT...East winds around 20 knots. Seas 3 to 5 feet.
Isolated thunderstorms.
.SATURDAY...East winds around 20 knots diminishing to 10 to 15 knots
in the afternoon. Seas 3 to 5 feet. Isolated thunderstorms.

$$

GMZ850-171615-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
340 AM EDT Tue Oct 17 2017

...Small Craft Exercise Caution...

.TODAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Bay and
inland waters choppy. Isolated thunderstorms.
.TONIGHT...Northeast winds 20 to 25 knots diminishing to around
20 knots after midnight. Seas 2 to 4 feet. Bay and inland waters
rough.
.WEDNESDAY...Northeast winds around 20 knots. Seas 2 to 4 feet. Bay
and inland waters choppy. Isolated showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds around 20 knots diminishing to
10 to 15 knots after midnight. Seas 2 to 4 feet. Bay and inland
waters choppy. Isolated showers in the evening.
.THURSDAY...Northeast winds around 15 knots. Seas 2 to 3 feet. Bay
and inland waters a moderate chop.
.THURSDAY NIGHT...Northeast 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.
.FRIDAY...Northeast winds around 15 knots. Seas 2 feet. Bay and
inland waters a moderate chop.
.FRIDAY NIGHT...East winds around 15 knots. Seas 2 feet. Bay and
inland waters a moderate chop.
.SATURDAY...East winds around 15 knots. Seas 2 feet. Bay and inland
waters a moderate chop. Isolated thunderstorms.

$$

GMZ870-171615-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
340 AM EDT Tue Oct 17 2017

...Small Craft Exercise Caution...

.TODAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet. Scattered
showers in the morning. Isolated thunderstorms.
.TONIGHT...Northeast winds 20 to 25 knots. Seas 4 to 6 feet.
.WEDNESDAY...Northeast winds 20 to 25 knots diminishing to around
20 knots in the afternoon. Seas 4 to 6 feet. Isolated showers in the
afternoon.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots diminishing to
around 20 knots in the late evening and overnight. Seas 4 to 6 feet.
Isolated thunderstorms.
.THURSDAY...Northeast winds around 20 knots diminishing to 10 to
15 knots early in the afternoon, then increasing to around 20 knots
late in the afternoon. Seas 2 to 4 feet.
.THURSDAY NIGHT...Northeast winds around 20 knots. Seas 2 to 4 feet.
.FRIDAY...East winds around 15 knots. Seas 2 to 4 feet.
.FRIDAY NIGHT...East winds around 20 knots. Seas 2 to 4 feet.
.SATURDAY...East winds around 15 knots. Seas 2 to 4 feet.

$$



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