Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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289
FZUS52 KTBW 211423
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Area - Ruskin FL
1023 AM EDT Sat Oct 21 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 updated 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.

GMZ800-212130-
SYNOPSIS FOR THE COASTAL WATERS FROM BONITA BEACH TO SUWANNEE RIVER-
1023 AM EDT Sat Oct 21 2017

.SYNOPSIS...Strong high pressure to the north will keep gusty east-
northeast winds in place for the next couple of days. A cold front
approaches the area early next week shifting winds to the south by
Monday ahead of the front and rain chances will be on the increase.
Winds will then shift to the north-northwest by the middle of next
week in the wake of the front. Drier air and decreasing rain chances
expected through the weekend.

$$

GMZ830-212130-
Tampa Bay waters-
1023 AM EDT Sat Oct 21 2017

.THIS AFTERNOON...East winds around 15 knots. Bay and inland waters
a moderate chop.
.TONIGHT...East winds around 15 knots. Bay and inland waters a
moderate chop.
.SUNDAY...East winds around 15 knots. Bay and inland waters a
moderate chop. Isolated thunderstorms in the morning, then scattered
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds around 10 knots. Bay and inland
waters a light chop. Scattered thunderstorms in the evening, then
isolated thunderstorms after midnight.
.MONDAY...South winds around 10 knots. Bay and inland waters a light
chop. Scattered thunderstorms.
.MONDAY NIGHT...South winds around 15 knots. Bay and inland waters a
moderate chop. Numerous thunderstorms.
.TUESDAY...Northwest winds around 10 knots. Bay and inland waters a
light chop. Numerous thunderstorms in the morning, then scattered
thunderstorms in the afternoon.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots then becoming north
around 15 knots toward morning. Bay and inland waters a moderate
chop. Scattered thunderstorms in the evening.
.WEDNESDAY...Northwest winds around 15 knots. Bay and inland waters
a moderate chop.

$$

GMZ836-212130-
Charlotte Harbor and Pine Island Sound-
1023 AM EDT Sat Oct 21 2017

.THIS AFTERNOON...East winds around 15 knots. Bay and inland waters
a moderate chop. Isolated showers.
.TONIGHT...East winds around 15 knots. Bay and inland waters a
moderate chop.
.SUNDAY...East winds 5 to 10 knots then becoming southeast around
15 knots in the late morning and afternoon. Bay and inland waters a
moderate chop. Isolated thunderstorms in the morning, then scattered
thunderstorms in the afternoon.
.SUNDAY NIGHT...East winds around 10 knots. Bay and inland waters a
light chop. Scattered thunderstorms in the evening.
.MONDAY...Southeast winds around 10 knots. Bay and inland waters a
light chop. Scattered thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Bay and inland waters a
light chop. Scattered thunderstorms in the evening, then numerous
thunderstorms after midnight.
.TUESDAY...Southwest winds around 10 knots then becoming west in the
afternoon. Bay and inland waters a light chop. Numerous
thunderstorms.
.TUESDAY NIGHT...North winds around 10 knots. Bay and inland waters
a light chop. Numerous thunderstorms in the evening, then a chance
of showers after midnight.
.WEDNESDAY...North winds around 15 knots. Bay and inland waters a
moderate chop. A chance of showers in the morning.

$$

GMZ856-212130-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
1023 AM EDT Sat Oct 21 2017

.THIS AFTERNOON...Northeast winds around 15 knots. Seas 2 to 3 feet.
Bay and inland waters a moderate chop. Isolated showers.
.TONIGHT...East winds around 20 knots. Seas 2 to 4 feet. Bay and
inland waters choppy.
.SUNDAY...Southeast winds around 15 knots. Seas 2 to 4 feet. Bay and
inland waters a moderate chop. Isolated thunderstorms.
.SUNDAY NIGHT...East winds around 15 knots. Seas 2 to 3 feet. Bay
and inland waters a moderate chop. Isolated thunderstorms.
.MONDAY...Southeast winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop. Scattered thunderstorms.
.MONDAY NIGHT...South winds around 15 knots. Seas 2 to 3 feet. Bay
and inland waters a moderate chop. Scattered thunderstorms in the
evening, then numerous thunderstorms after midnight.
.TUESDAY...Southwest winds around 10 knots then becoming northwest
in the afternoon. Seas 2 to 4 feet. Bay and inland waters a light
chop. Numerous thunderstorms.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots then becoming north
around 15 knots after midnight. Seas 2 to 4 feet. Bay and inland
waters a moderate chop. Numerous thunderstorms in the evening, then
a chance of showers after midnight.
.WEDNESDAY...North winds around 15 knots. Seas 3 to 5 feet. Bay and
inland waters a moderate chop. A chance of showers in the morning.

$$

GMZ876-212130-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
1023 AM EDT Sat Oct 21 2017

...SMALL CRAFT EXERCISE CAUTION...

.THIS AFTERNOON...East winds 15 to 20 knots. Seas 3 to 5 feet.
Isolated showers.
.TONIGHT...East winds around 20 knots. Seas 3 to 5 feet.
.SUNDAY...East winds around 20 knots then becoming southeast 10 to
15 knots late in the afternoon. Seas 4 to 6 feet. Scattered
thunderstorms in the morning, then isolated thunderstorms in the
afternoon.
.SUNDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 5 feet.
Scattered thunderstorms.
.MONDAY...Southeast winds around 15 knots. Seas 2 to 4 feet.
Scattered thunderstorms.
.MONDAY NIGHT...South winds around 15 knots. Seas 2 to 4 feet.
Scattered thunderstorms in the evening, then numerous thunderstorms
after midnight.
.TUESDAY...Southwest winds around 15 knots then becoming northwest
around 10 knots in the afternoon. Seas 3 to 5 feet. Numerous
thunderstorms in the morning, then scattered thunderstorms in the
afternoon.
.TUESDAY NIGHT...North winds around 15 knots. Seas 3 to 5 feet.
Scattered thunderstorms in the evening. A slight chance of showers
after midnight.
.WEDNESDAY...North winds around 20 knots. Seas 4 to 6 feet. A slight
chance of showers in the morning.

$$

GMZ853-212130-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
1023 AM EDT Sat Oct 21 2017

.THIS AFTERNOON...East winds around 15 knots. Seas 2 to 3 feet. Bay
and inland waters a moderate chop.
.TONIGHT...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 4 feet. Bay and inland
waters a moderate chop. Isolated thunderstorms in the morning.
Scattered thunderstorms in the afternoon.
.SUNDAY NIGHT...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. Scattered thunderstorms.
.MONDAY...South winds around 15 knots. Seas 2 to 4 feet. Bay and
inland waters a moderate chop. Scattered thunderstorms.
.MONDAY NIGHT...South winds around 15 knots. Seas 2 to 4 feet. Bay
and inland waters a moderate chop. Numerous thunderstorms.
.TUESDAY...Northwest winds around 15 knots. Seas 2 to 4 feet. Bay
and inland waters a moderate chop. Numerous thunderstorms in the
morning, then scattered thunderstorms in the afternoon.
.TUESDAY NIGHT...North winds around 15 knots. Seas 3 to 5 feet. Bay
and inland waters a moderate chop. Scattered thunderstorms in the
evening.
.WEDNESDAY...North winds around 15 knots. Seas 3 to 5 feet. Bay and
inland waters a moderate chop.

$$

GMZ873-212130-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
1023 AM EDT Sat Oct 21 2017

...SMALL CRAFT EXERCISE CAUTION...

.THIS AFTERNOON...East winds 15 to 20 knots. Seas 3 to 5 feet.
.TONIGHT...East winds around 20 knots. Seas 3 to 5 feet.
.SUNDAY...East winds around 20 knots then becoming southeast 10 to
15 knots in the afternoon. Seas 4 to 6 feet. Isolated thunderstorms
in the morning, then scattered thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 5 feet.
Scattered thunderstorms.
.MONDAY...South winds around 15 knots. Seas 3 to 5 feet. Scattered
thunderstorms in the morning, then numerous thunderstorms in the
afternoon.
.MONDAY NIGHT...Southwest winds around 15 knots. Seas 3 to 5 feet.
Numerous thunderstorms.
.TUESDAY...Northwest winds around 15 knots. Seas 4 to 6 feet.
Numerous thunderstorms in the morning, then scattered thunderstorms
in the afternoon.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots then becoming north
around 20 knots after midnight. Seas 4 to 6 feet. Scattered
thunderstorms in the evening.
.WEDNESDAY...North winds around 20 knots. Seas 4 to 6 feet.

$$

GMZ850-212130-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
1023 AM EDT Sat Oct 21 2017

.THIS AFTERNOON...East winds around 15 knots. Seas 2 feet. Bay and
inland waters a moderate chop.
.TONIGHT...East winds around 15 knots. Seas 2 feet. Bay and inland
waters a moderate chop.
.SUNDAY...East winds around 15 knots diminishing to 5 to 10 knots
late in the afternoon. Seas 2 to 3 feet. Bay and inland waters a
moderate chop. Scattered thunderstorms 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.
Bay and inland waters a moderate chop. Scattered thunderstorms.
.MONDAY...South winds around 15 knots. Seas 2 to 4 feet. Bay and
inland waters a moderate chop. Scattered thunderstorms.
.MONDAY NIGHT...South winds 10 to 15 knots then becoming southwest
around 20 knots after midnight. Seas 3 to 5 feet. Bay and inland
waters choppy. Numerous thunderstorms.
.TUESDAY...Northwest winds around 15 knots. Seas 3 to 5 feet. Bay
and inland waters a moderate chop. Numerous thunderstorms in the
morning, then scattered thunderstorms in the afternoon.
.TUESDAY NIGHT...North winds around 15 knots. Seas 2 to 4 feet. Bay
and inland waters a moderate chop. Scattered thunderstorms in the
evening.
.WEDNESDAY...Northwest winds around 15 knots. Seas 2 to 4 feet. Bay
and inland waters a moderate chop.

$$

GMZ870-212130-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
1023 AM EDT Sat Oct 21 2017

...SMALL CRAFT EXERCISE CAUTION...

.THIS AFTERNOON...East winds 15 to 20 knots diminishing to 10 to 15
knots by evening. Seas 2 to 4 feet.
.TONIGHT...East winds around 20 knots. Seas 3 to 5 feet.
.SUNDAY...East winds around 15 knots. Seas 3 to 5 feet. Scattered
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds around 15 knots. Seas 2 to 4 feet.
Scattered thunderstorms.
.MONDAY...South winds around 20 knots. Seas 4 to 6 feet. Scattered
thunderstorms in the morning, then numerous thunderstorms in the
afternoon.
.MONDAY NIGHT...Southwest winds around 20 knots. Seas 5 to 7 feet.
Numerous thunderstorms.
.TUESDAY...Northwest winds around 15 knots. Seas 4 to 6 feet.
Numerous thunderstorms in the morning, then isolated thunderstorms
in the afternoon.
.TUESDAY NIGHT...Northwest winds around 20 knots. Seas 4 to 6 feet.
Isolated thunderstorms in the evening.
.WEDNESDAY...Northwest winds around 20 knots. Seas 4 to 6 feet.

$$



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