Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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FZUS52 KTBW 211919
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Area - Ruskin FL
319 PM EDT Mon Aug 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 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.

GMZ800-220230-
SYNOPSIS FOR THE COASTAL WATERS FROM BONITA BEACH TO SUWANNEE RIVER-
319 PM EDT Mon Aug 21 2017

.SYNOPSIS...A slight increase in the pressure gradient will enhance
easterly surges over the Gulf waters between a weak tropical wave
moving into the Gulf of Mexico, the Bermuda high pressure ridge axis
nudging into the area, and another tropical wave over the Bahamas.
The gradient relaxes as high pressure settles over the region for the
end of the week. Expect scattered to numerous storms Tuesday into
late week as well.

$$

GMZ830-220230-
Tampa Bay waters-
319 PM EDT Mon Aug 21 2017

.TONIGHT...East winds around 10 knots. Bay and inland waters a light
chop. Isolated thunderstorms in the evening.
.TUESDAY...Northeast winds around 10 knots. Bay and inland waters a
light chop. Isolated thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds around 10 knots. Bay and inland waters a
light chop. Isolated thunderstorms.
.WEDNESDAY...Northeast winds around 5 knots then becoming north late
in the afternoon. Bay and inland waters smooth. Isolated
thunderstorms in the morning, then scattered thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...North winds around 5 knots then becoming east
after midnight. Bay and inland waters smooth. Scattered
thunderstorms in the evening, then isolated thunderstorms after
midnight.
.THURSDAY...East winds around 5 knots then becoming southwest early
in the afternoon, then becoming west late in the afternoon. Bay and
inland waters smooth. Scattered thunderstorms.
.THURSDAY NIGHT...West winds around 5 knots. Bay and inland waters
smooth. Scattered thunderstorms.
.FRIDAY...West winds around 5 knots. Bay and inland waters smooth.
Numerous thunderstorms.
.FRIDAY NIGHT...Northwest winds around 5 knots. Bay and inland
waters smooth. Numerous thunderstorms in the evening, then isolated
thunderstorms after midnight.
.SATURDAY...Northwest winds around 5 knots. Bay and inland waters
smooth. Numerous thunderstorms.

$$

GMZ836-220230-
Charlotte Harbor and Pine Island Sound-
319 PM EDT Mon Aug 21 2017

.TONIGHT...East winds around 10 knots. Bay and inland waters a light
chop.
.TUESDAY...Northeast winds around 10 knots diminishing to around
5 knots in the afternoon. Bay and inland waters a light chop.
Scattered thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds around 10 knots. Bay and inland waters a
light chop. Scattered thunderstorms in the evening, then isolated
thunderstorms after midnight.
.WEDNESDAY...East winds around 5 knots then becoming northwest early
in the afternoon, then becoming west late in the afternoon. Bay and
inland waters smooth. Scattered thunderstorms.
.WEDNESDAY NIGHT...East winds around 5 knots then becoming southeast
after midnight. Bay and inland waters smooth. Scattered
thunderstorms.
.THURSDAY...Southeast winds around 5 knots then becoming southwest
around 10 knots in the afternoon. Bay and inland waters a light
chop. Numerous thunderstorms.
.THURSDAY NIGHT...Southwest winds around 5 knots. Bay and inland
waters smooth. Numerous thunderstorms in the evening, then scattered
thunderstorms after midnight.
.FRIDAY...Northwest winds around 5 knots then becoming west around
10 knots in the afternoon. Bay and inland waters a light chop.
Numerous thunderstorms.
.FRIDAY NIGHT...Northwest winds around 10 knots. Bay and inland
waters a light chop. Numerous thunderstorms in the evening, then
scattered thunderstorms after midnight.
.SATURDAY...Northwest winds around 10 knots. Bay and inland waters a
light chop. Numerous thunderstorms.

$$

GMZ856-220230-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
319 PM EDT Mon Aug 21 2017

.TONIGHT...Northeast winds around 5 knots then becoming east around
15 knots in the late evening and overnight. Seas 2 feet. Bay and
inland waters a moderate chop.
.TUESDAY...East winds around 15 knots diminishing to 5 to 10 knots
late in the morning, then becoming northeast around 5 knots early in
the afternoon then becoming north 5 to 10 knots late in the
afternoon. Seas 2 feet. Bay and inland waters a moderate chop.
Scattered thunderstorms in the afternoon.
.TUESDAY NIGHT...Northwest winds around 10 knots then becoming east
in the late evening and overnight. Seas 2 feet or less. Bay and
inland waters a light chop. Scattered thunderstorms.
.WEDNESDAY...East winds around 10 knots then becoming west around
5 knots in the afternoon. Seas 2 feet or less. Bay and inland waters
a light chop. Scattered thunderstorms.
.WEDNESDAY NIGHT...North winds around 5 knots then becoming east
late in the evening, then becoming south after midnight. Seas 2 feet
or less. Bay and inland waters smooth. Scattered thunderstorms.
.THURSDAY...South winds around 5 knots then becoming southwest
around 10 knots in the afternoon. Seas 2 feet or less. Bay and
inland waters a light chop. Numerous thunderstorms.
.THURSDAY NIGHT...West winds around 10 knots. Seas 2 feet or less.
Bay and inland waters a light chop. Numerous thunderstorms in the
evening, then scattered thunderstorms after midnight.
.FRIDAY...West winds around 10 knots. Seas 2 feet or less. Bay and
inland waters a light chop. Numerous thunderstorms.
.FRIDAY NIGHT...Northwest winds around 10 knots. Seas 2 feet or
less. Bay and inland waters a light chop. Numerous thunderstorms in
the evening, then scattered thunderstorms after midnight.
.SATURDAY...Northwest winds around 10 knots. Seas 2 feet or less.
Bay and inland waters a light chop. Numerous thunderstorms.

$$

GMZ876-220230-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
319 PM EDT Mon Aug 21 2017

.TONIGHT...Northeast winds around 5 knots then becoming east around
15 knots in the late evening and overnight. Seas 2 to 3 feet.
.TUESDAY...East winds around 15 knots then becoming northeast 5 to
10 knots early in the afternoon, then becoming north around 5 knots
late in the afternoon. Seas 2 to 3 feet.
.TUESDAY NIGHT...North winds around 10 knots then becoming northeast
after midnight. Seas 2 feet or less. Scattered thunderstorms.
.WEDNESDAY...Northeast winds around 10 knots then becoming northwest
late in the afternoon. Seas 2 feet or less. Scattered thunderstorms.
.WEDNESDAY NIGHT...North winds around 10 knots then becoming south
around 5 knots toward morning. Seas 2 feet or less. Scattered
thunderstorms.
.THURSDAY...Southwest winds around 5 knots then becoming west around
10 knots late in the afternoon. Seas 2 feet or less. Scattered
thunderstorms.
.THURSDAY NIGHT...West winds around 10 knots. Seas 2 feet or less.
Scattered thunderstorms.
.FRIDAY...West winds around 5 knots. Seas 2 feet or less. Numerous
thunderstorms.
.FRIDAY NIGHT...West winds around 10 knots. Seas 2 feet or less.
Numerous thunderstorms in the evening, then scattered thunderstorms
after midnight.
.SATURDAY...Northwest winds around 10 knots. Seas 2 feet or less.
Scattered thunderstorms.

$$

GMZ853-220230-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
319 PM EDT Mon Aug 21 2017

.TONIGHT...Northeast winds 5 to 10 knots then becoming east around
15 knots after midnight. Seas 2 feet. Bay and inland waters a
moderate chop.
.TUESDAY...East winds around 15 knots then becoming northeast 5 to
10 knots in the late morning and early afternoon, then becoming
north late in the afternoon. Seas 2 feet. Bay and inland waters a
moderate chop. Isolated thunderstorms in the afternoon.
.TUESDAY NIGHT...North winds around 10 knots then becoming east
after midnight. Seas 2 feet or less. Bay and inland waters a light
chop. Scattered thunderstorms in the evening. Isolated thunderstorms
after midnight.
.WEDNESDAY...Northeast winds around 10 knots then becoming north in
the afternoon. Seas 2 feet or less. Bay and inland waters a light
chop. Scattered thunderstorms in the morning. Isolated thunderstorms
in the afternoon.
.WEDNESDAY NIGHT...North winds around 10 knots then becoming east in
the late evening and overnight. Seas 2 feet or less. Bay and inland
waters a light chop. Scattered thunderstorms.
.THURSDAY...East winds around 5 knots then becoming southwest early
in the afternoon, then becoming west late in the afternoon. Seas
2 feet or less. Bay and inland waters smooth. Scattered
thunderstorms.
.THURSDAY NIGHT...West winds around 5 knots. Seas 2 feet or less.
Bay and inland waters smooth. Scattered thunderstorms.
.FRIDAY...West winds around 5 knots. Seas 2 feet or less. Bay and
inland waters smooth. Scattered thunderstorms.
.FRIDAY NIGHT...Northwest winds around 10 knots. Seas 2 feet or
less. Bay and inland waters a light chop. Scattered thunderstorms.
.SATURDAY...Northwest winds around 10 knots. Seas 2 feet or less.
Bay and inland waters a light chop. Scattered thunderstorms.

$$

GMZ873-220230-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
319 PM EDT Mon Aug 21 2017

.TONIGHT...Northeast winds 5 to 10 knots then becoming east around
15 knots after midnight. Seas 2 to 3 feet.
.TUESDAY...East winds around 15 knots diminishing to 5 to 10 knots
early in the afternoon, then becoming north late in the afternoon.
Seas 2 to 3 feet.
.TUESDAY NIGHT...North winds around 10 knots then becoming northeast
after midnight. Seas 2 feet. Scattered thunderstorms.
.WEDNESDAY...North winds around 10 knots. Seas 2 feet or less.
Isolated thunderstorms.
.WEDNESDAY NIGHT...Northeast winds around 10 knots. Seas 2 feet or
less. Scattered thunderstorms.
.THURSDAY...Northeast winds around 5 knots then becoming east late
in the morning, then becoming west in the afternoon. Seas 2 feet or
less. Scattered thunderstorms.
.THURSDAY NIGHT...West winds around 5 knots. Seas 2 feet or less.
Scattered thunderstorms.
.FRIDAY...Northwest winds around 5 knots. Seas 2 feet or less.
Scattered thunderstorms.
.FRIDAY NIGHT...Northwest winds around 10 knots. Seas 2 feet or
less. Scattered thunderstorms.
.SATURDAY...Northwest winds around 10 knots. Seas 2 feet or less.
Scattered thunderstorms.

$$

GMZ850-220230-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
319 PM EDT Mon Aug 21 2017

.TONIGHT...North winds around 5 knots then becoming northeast 5 to
10 knots late in the evening, then becoming east around 15 knots
after midnight. Seas 2 feet. Bay and inland waters a moderate chop.
Isolated thunderstorms in the evening.
.TUESDAY...East winds around 10 knots then becoming north around
5 knots late in the afternoon. Seas 2 feet. Bay and inland waters a
light chop.
.TUESDAY NIGHT...Northwest winds around 10 knots then becoming east
after midnight. Seas 2 feet or less. Bay and inland waters a light
chop.
.WEDNESDAY...East winds around 10 knots then becoming northwest late
in the afternoon. Seas 2 feet or less. Bay and inland waters a light
chop. Isolated thunderstorms.
.WEDNESDAY NIGHT...Northwest winds around 10 knots then becoming
northeast around 5 knots after midnight. Seas 2 feet or less. Bay
and inland waters a light chop. Scattered thunderstorms.
.THURSDAY...East winds around 5 knots then becoming southwest around
5 knots early in the afternoon, then becoming west around 10 knots
late in the afternoon. Seas 2 feet or less. Bay and inland waters a
light chop. Scattered thunderstorms.
.THURSDAY NIGHT...Northwest winds around 10 knots. Seas 2 feet or
less. Bay and inland waters a light chop. Scattered thunderstorms.
.FRIDAY...Northwest winds around 5 knots then becoming west around
10 knots in the afternoon. Seas 2 feet or less. Bay and inland
waters a light chop. Scattered thunderstorms.
.FRIDAY NIGHT...North winds around 10 knots. Seas 2 feet or less.
Bay and inland waters a light chop. Scattered thunderstorms.
.SATURDAY...North winds around 10 knots. Seas 2 feet or less. Bay
and inland waters a light chop. Scattered thunderstorms.

$$

GMZ870-220230-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
319 PM EDT Mon Aug 21 2017

.TONIGHT...Northeast winds 5 to 10 knots then becoming east around
15 knots after midnight. Seas 2 feet.
.TUESDAY...East winds around 10 knots then becoming northeast around
5 knots late in the afternoon. Seas 2 feet. Isolated thunderstorms
in the morning.
.TUESDAY NIGHT...North winds around 10 knots then becoming northeast
after midnight. Seas 2 feet. Isolated thunderstorms after midnight.
.WEDNESDAY...Northeast winds around 10 knots then becoming northwest
around 5 knots late in the afternoon. Seas 2 feet or less.
.WEDNESDAY NIGHT...North winds around 10 knots. Seas 2 feet or less.
Scattered thunderstorms.
.THURSDAY...Northeast winds around 5 knots then becoming west in the
afternoon. Seas 2 feet or less. Scattered thunderstorms in the
morning, then isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...Northwest winds around 10 knots. Seas 2 feet or
less. Scattered thunderstorms.
.FRIDAY...Northwest winds around 5 knots then becoming west in the
afternoon. Seas 2 feet or less. Scattered thunderstorms.
.FRIDAY NIGHT...Northwest winds around 10 knots. Seas 2 feet or
less. Scattered thunderstorms.
.SATURDAY...Northeast winds around 10 knots. Seas 2 feet or less.
Scattered thunderstorms.

$$


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