Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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FZUS52 KTBW 211345
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Area - Ruskin FL
945 AM EDT Sat Apr 21 2018

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.

GMZ800-212130-
SYNOPSIS FOR THE COASTAL WATERS FROM BONITA BEACH TO SUWANNEE RIVER-
945 AM EDT Sat Apr 21 2018

.SYNOPSIS...East to southeasterly flow across the waters will turn
onshore near the coast this afternoon and Sunday afternoon with the
sea breeze and then turn back to east/southeast tonight. Some
increase in wind speeds to exercise caution levels will be possible
tonight, mainly for the northern waters. Winds will become more south
to southwest Monday ahead of an approaching cold front, with
increasing shower and thunderstorm activity through early Tuesday.
The front finally clears the region late Tuesday, with drier
conditions and west to northwest winds behind it for mid week.

$$

GMZ830-212130-
Tampa Bay waters-
945 AM EDT Sat Apr 21 2018

.THIS AFTERNOON...East winds around 10 knots then becoming south
late in the afternoon. Bay and inland waters a light chop. A chance
of showers in the afternoon.
.TONIGHT...East winds around 10 knots. Bay and inland waters a light
chop. A chance of showers.
.SUNDAY...East winds around 10 knots then becoming south in the
afternoon. Bay and inland waters a light chop. A slight chance of
thunderstorms.
.SUNDAY NIGHT...Southeast winds around 10 knots. Bay and inland
waters a light chop. A chance of showers and a slight chance of
thunderstorms.
.MONDAY...Southeast winds around 10 knots then becoming southwest in
the afternoon. Bay and inland waters a light chop. A chance of
thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Bay and inland waters a
light chop. A chance of showers and a slight chance of
thunderstorms.
.TUESDAY...Southwest winds around 10 knots. Bay and inland waters a
light chop. A chance of showers and a slight chance of
thunderstorms.
.TUESDAY NIGHT...West winds around 10 knots. Bay and inland waters a
light chop.
.WEDNESDAY...West winds around 10 knots. Bay and inland waters a
light chop.

$$

GMZ836-212130-
Charlotte Harbor and Pine Island Sound-
945 AM EDT Sat Apr 21 2018

.THIS AFTERNOON...East winds around 10 knots then becoming southwest
late in the afternoon. Bay and inland waters a light chop.
.TONIGHT...West winds around 10 knots then becoming east around
5 knots after midnight. Bay and inland waters a light chop.
.SUNDAY...East winds around 5 knots then becoming south around
10 knots in the afternoon. Bay and inland waters a light chop. A
slight chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds around 10 knots. Bay and inland
waters a light chop. A slight chance of thunderstorms.
.MONDAY...Southeast winds around 10 knots then becoming south in the
afternoon. Bay and inland waters a light chop. A chance of
thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Bay and inland waters a
light chop. A chance of showers and a slight chance of
thunderstorms.
.TUESDAY...South winds around 10 knots then becoming southwest in
the afternoon. Bay and inland waters a light chop. A chance of
showers and a slight chance of thunderstorms.
.TUESDAY NIGHT...West winds around 10 knots. Bay and inland waters a
light chop.
.WEDNESDAY...West winds around 10 knots. Bay and inland waters a
light chop.

$$

GMZ856-212130-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
945 AM EDT Sat Apr 21 2018

.THIS AFTERNOON...East winds around 10 knots then becoming southwest
late in the afternoon. Seas 2 feet. Bay and inland waters a light
chop.
.TONIGHT...Northwest winds around 10 knots then becoming east around
5 knots after midnight. Seas 2 feet or less. Bay and inland waters a
light chop.
.SUNDAY...East winds around 10 knots then becoming south around
5 knots in the afternoon. Seas 2 feet or less. Bay and inland waters
a light chop.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 feet or
less. Bay and inland waters a light chop. A slight chance of
thunderstorms.
.MONDAY...Southeast winds around 10 knots then becoming south in the
afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
A chance of thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Seas 2 feet. Bay and
inland waters a light chop. A chance of showers and a slight chance
of thunderstorms.
.TUESDAY...Southwest winds around 10 knots. Seas 2 feet. Bay and
inland waters a light chop. A chance of showers and a slight chance
of thunderstorms.
.TUESDAY NIGHT...West winds around 10 knots. Seas 2 feet. Bay and
inland waters a light chop.
.WEDNESDAY...West winds around 10 knots. Seas 2 to 3 feet. Bay and
inland waters a light chop.

$$

GMZ876-212130-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
945 AM EDT Sat Apr 21 2018

.THIS AFTERNOON...Southeast winds around 15 knots diminishing to
5 to 10 knots in the afternoon. Seas 2 to 3 feet.
.TONIGHT...West winds around 5 knots then becoming east around
10 knots after midnight. Seas 2 feet.
.SUNDAY...Southeast winds around 10 knots. Seas 2 feet.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots increasing to around
15 knots after midnight. Seas 2 feet. A slight chance of
thunderstorms.
.MONDAY...South winds around 10 knots. Seas 2 feet. A chance of
thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Seas 2 feet. A chance
of showers and a slight chance of thunderstorms.
.TUESDAY...Southwest winds 5 to 10 knots increasing to around
15 knots in the afternoon. Seas 2 feet. A chance of showers and a
slight chance of thunderstorms.
.TUESDAY NIGHT...West winds around 15 knots. Seas 2 to 3 feet.
.WEDNESDAY...West winds around 10 knots. Seas 2 to 3 feet.

$$

GMZ853-212130-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
945 AM EDT Sat Apr 21 2018

.THIS AFTERNOON...East winds around 10 knots then becoming west late
in the afternoon. Seas 2 to 3 feet. Bay and inland waters a light
chop.
.TONIGHT...North winds around 10 knots then becoming east after
midnight. Seas 2 feet or less. Bay and inland waters a light chop.
.SUNDAY...Southeast winds around 10 knots then becoming south in the
afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 feet or
less. Bay and inland waters a light chop. A slight chance of
thunderstorms.
.MONDAY...South winds around 10 knots. Seas 2 feet or less. Bay and
inland waters a light chop. A chance of thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Seas 2 feet. Bay and
inland waters a light chop. A chance of showers and a slight chance
of thunderstorms.
.TUESDAY...Southwest winds around 10 knots then becoming west in the
afternoon. Seas 2 feet. Bay and inland waters a light chop. A chance
of showers and a slight chance of thunderstorms.
.TUESDAY NIGHT...West winds around 10 knots. Seas 2 to 3 feet. Bay
and inland waters a light chop.
.WEDNESDAY...West winds around 10 knots. Seas 2 to 3 feet. Bay and
inland waters a light chop.

$$

GMZ873-212130-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
945 AM EDT Sat Apr 21 2018

.THIS AFTERNOON...East winds around 15 knots then becoming southeast
5 to 10 knots late in the afternoon. Seas 2 to 4 feet.
.TONIGHT...Northeast winds around 10 knots then becoming east after
midnight. Seas 2 feet.
.SUNDAY...Southeast winds around 10 knots. Seas 2 feet.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 feet. A
chance of showers and a slight chance of thunderstorms.
.MONDAY...South winds around 10 knots. Seas 2 feet. A chance of
thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. A
chance of showers and a slight chance of thunderstorms.
.TUESDAY...Southwest winds 5 to 10 knots then becoming west around
15 knots in the afternoon. Seas 2 to 3 feet. A chance of showers and
a slight chance of thunderstorms.
.TUESDAY NIGHT...West winds around 10 knots. Seas 2 to 3 feet.
.WEDNESDAY...West winds around 10 knots. Seas 2 to 3 feet.

$$

GMZ850-212130-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
945 AM EDT Sat Apr 21 2018

.THIS AFTERNOON...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. A slight chance of showers in the afternoon.
.TONIGHT...East winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop. A slight chance of showers.
.SUNDAY...East winds around 15 knots then becoming southeast 5 to
10 knots in the afternoon. Seas 2 feet. Bay and inland waters a
moderate chop. A slight chance of thunderstorms.
.SUNDAY NIGHT...East winds 5 to 10 knots then becoming southeast
around 15 knots after midnight. Seas 2 feet. Bay and inland waters a
moderate chop. A chance of showers and a slight chance of
thunderstorms.
.MONDAY...South winds 5 to 10 knots increasing to around 15 knots in
the afternoon. Seas 2 feet. Bay and inland waters a moderate chop. A
chance of thunderstorms.
.MONDAY NIGHT...Southwest winds around 10 knots. Seas 2 feet. Bay
and inland waters a light chop. A chance of showers and a slight
chance of thunderstorms.
.TUESDAY...West winds around 10 knots. Seas 2 to 3 feet. Bay and
inland waters a light chop. A slight chance of thunderstorms.
.TUESDAY NIGHT...West winds around 10 knots. Seas 2 to 3 feet. Bay
and inland waters a light chop.
.WEDNESDAY...West winds around 10 knots. Seas 2 to 3 feet. Bay and
inland waters a light chop.

$$

GMZ870-212130-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
945 AM EDT Sat Apr 21 2018

.THIS AFTERNOON...Northeast winds around 15 knots diminishing to
5 to 10 knots late in the afternoon. Seas 3 to 5 feet.
.TONIGHT...East winds around 20 knots. Seas 2 to 3 feet.
.SUNDAY...East winds around 15 knots then becoming southeast 5 to
10 knots in the afternoon. Seas 2 to 3 feet.
.SUNDAY NIGHT...Southeast winds around 15 knots. Seas 2 feet. A
chance of showers and a slight chance of thunderstorms.
.MONDAY...South winds around 15 knots. Seas 2 feet. Showers likely
and a chance of thunderstorms.
.MONDAY NIGHT...Southwest winds around 10 knots. Seas 2 to 3 feet. A
chance of showers and a slight chance of thunderstorms.
.TUESDAY...West winds around 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...West winds around 15 knots. Seas 2 to 3 feet.
.WEDNESDAY...West winds around 10 knots. Seas 2 to 3 feet.

$$


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