Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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FZUS52 KTBW 280714
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
314 AM EDT Thu Aug 28 2025

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.

GMZ800-282015-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
314 AM EDT Thu Aug 28 2025

.SYNOPSIS...
A lingering frontal boundary will remain over or just north of
the coastal zones through the weekend, allowing rain chances to
gradually increase through the weekend. Despite the proximity of
the front, winds and seas expected to remain light outside of
daily thunderstorms.

&&

$$

GMZ830-282015-
Tampa Bay waters-
314 AM EDT Thu Aug 28 2025

.TODAY...Southeast winds around 5 knots, becoming southwest this
afternoon. Bay and inland waters smooth. A chance of showers and
thunderstorms this afternoon.
.TONIGHT...Northwest winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop. A chance of showers
and thunderstorms in the evening.
.FRIDAY...South winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop. A slight chance of
showers in the morning, then a chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop. A chance of showers
and thunderstorms in the evening, then a slight chance of showers
after midnight.
.SATURDAY...Southeast winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop. A chance of showers
with a slight chance of thunderstorms in the morning, then
showers and thunderstorms likely in the afternoon.
.SATURDAY NIGHT...North winds 5 to 10 knots, becoming southeast
after midnight. Bay and inland waters light chop. Showers and
thunderstorms likely, mainly in the evening.
.SUNDAY...Southeast winds 5 to 10 knots, becoming west in the
afternoon. Bay and inland waters light chop. A chance of showers
and thunderstorms in the morning, then showers and thunderstorms
in the afternoon.
.SUNDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop. Showers and
thunderstorms, mainly in the evening.
.MONDAY...East winds 5 to 10 knots, becoming west in the
afternoon. Bay and inland waters light chop. Showers likely with
a chance of thunderstorms in the morning, then showers and
thunderstorms in the afternoon.

Winds and waves higher in and near thunderstorms.

$$

GMZ836-282015-
Charlotte Harbor and Pine Island Sound-
314 AM EDT Thu Aug 28 2025

.TODAY...East winds around 5 knots, becoming southwest this
afternoon. Bay and inland waters light chop. A chance of showers
and thunderstorms this afternoon.
.TONIGHT...Northwest winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop. A chance of showers
and thunderstorms, mainly in the evening.
.FRIDAY...Southeast winds around 5 knots, becoming southwest in
the afternoon. Bay and inland waters light chop. A slight chance
of showers in the morning, then showers and thunderstorms likely
in the afternoon.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop. Showers and
thunderstorms likely in the evening, then a chance of showers
with a slight chance of thunderstorms after midnight.
.SATURDAY...South winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop. A chance of showers
in the morning, then showers and thunderstorms likely in the
afternoon.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop. Showers and
thunderstorms likely in the evening, then a chance of showers
with a slight chance of thunderstorms after midnight.
.SUNDAY...West winds 5 to 10 knots. Bay and inland waters light
chop. A chance of showers and thunderstorms in the morning, then
showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast
after midnight. Bay and inland waters light chop. Showers and
thunderstorms, mainly in the evening.
.MONDAY...North winds 5 to 10 knots, becoming west in the
afternoon. Bay and inland waters light chop. Showers likely with
a chance of thunderstorms in the morning, then showers and
thunderstorms in the afternoon.

Winds and waves higher in and near thunderstorms.

$$

GMZ856-282015-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
314 AM EDT Thu Aug 28 2025

.TODAY...East winds around 5 knots, becoming southwest late. Seas
1 foot or less. Wave Detail: Northwest 1 foot at 4 seconds. Bay
and inland waters smooth. A slight chance of showers and
thunderstorms early this afternoon. A chance of showers and
thunderstorms late.
.TONIGHT...Northwest winds around 5 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at
4 seconds. Bay and inland waters smooth. A chance of showers and
thunderstorms, mainly in the evening.
.FRIDAY...Southeast winds around 5 knots, becoming southwest
around 5 knots in the afternoon. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 3 seconds. Bay and inland waters
smooth. A slight chance of showers and thunderstorms in the
morning, then a chance of showers and thunderstorms in the
afternoon.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds. Bay and inland waters light chop. A chance of showers.
A chance of thunderstorms, mainly in the evening.
.SATURDAY...South winds around 5 knots, becoming west in the
afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds. Bay and inland waters smooth. A chance of showers with
a slight chance of thunderstorms in the morning, then showers
likely with a chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming
southeast after midnight. Seas 1 foot or less. Wave Detail:
Northwest 1 foot at 3 seconds. Bay and inland waters light chop.
Showers and thunderstorms likely, mainly in the evening.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay and
inland waters light chop. Showers likely. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming north
after midnight. Seas 1 foot or less. Bay and inland waters light
chop. Showers likely. Thunderstorms likely, mainly in the
evening.
.MONDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
Showers likely with a chance of thunderstorms in the morning,
then showers with thunderstorms likely in the afternoon.

Winds and seas higher in and near thunderstorms.

$$

GMZ876-282015-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
314 AM EDT Thu Aug 28 2025

.TODAY...East winds around 5 knots, becoming southwest late. Seas
1 foot or less. Wave Detail: Northwest 1 foot at 4 seconds. A
slight chance of showers and thunderstorms.
.TONIGHT...Northwest winds around 5 knots, becoming east around
5 knots after midnight. Seas 1 foot or less. Wave Detail:
Northwest 1 foot at 4 seconds. A chance of showers. A chance of
thunderstorms, mainly in the evening.
.FRIDAY...South winds around 5 knots, becoming west around
5 knots in the afternoon. Seas 1 foot or less. Wave Detail: North
1 foot at 3 seconds. A chance of showers. A slight chance of
thunderstorms in the morning, then a chance of thunderstorms in
the afternoon.
.FRIDAY NIGHT...North winds around 5 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds. A chance of showers and thunderstorms.
.SATURDAY...South winds around 5 knots, becoming west in the
afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds. A chance of showers with a slight chance of
thunderstorms in the morning, then showers likely with a chance
of thunderstorms in the afternoon.
.SATURDAY NIGHT...Northwest winds around 5 knots, becoming south
after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at
4 seconds. Showers likely with a chance of thunderstorms.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Showers
likely with a chance of thunderstorms.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Showers likely with a chance of thunderstorms.
.MONDAY...West winds around 10 knots. Seas 1 foot or less.
Showers. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.

Winds and seas higher in and near thunderstorms.

$$

GMZ853-282015-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
314 AM EDT Thu Aug 28 2025

.TODAY...East winds around 5 knots, becoming south early this
afternoon, then becoming west late. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 3 seconds. Bay and inland waters
smooth. A slight chance of showers and thunderstorms early this
afternoon. A chance of showers with a slight chance of
thunderstorms late.
.TONIGHT...Northwest winds 5 to 10 knots, becoming northeast
after midnight. Seas 1 foot or less. Wave Detail: Northwest
1 foot at 3 seconds. Bay and inland waters light chop. A slight
chance of showers and thunderstorms.
.FRIDAY...Southwest winds around 5 knots, becoming west in the
afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at
3 seconds. Bay and inland waters smooth. A slight chance of
showers in the morning, then a chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds. Bay and inland waters light chop. A chance of showers.
A chance of thunderstorms, mainly in the evening.
.SATURDAY...South winds 5 to 10 knots, becoming west in the
afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at
2 seconds and northwest 1 foot at 3 seconds. Bay and inland
waters light chop. A chance of showers with a slight chance of
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming
southeast after midnight. Seas 1 foot or less. Wave Detail:
Northwest 1 foot at 3 seconds. Bay and inland waters light chop.
Showers and thunderstorms likely, mainly in the evening.
.SUNDAY...Southwest winds 5 to 10 knots, becoming west in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
Showers likely with a chance of thunderstorms in the morning,
then showers with thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Northwest winds around 10 knots, becoming east
after midnight. Seas 1 foot or less. Bay and inland waters light
chop. A chance of thunderstorms. Showers.
.MONDAY...East winds around 10 knots, becoming west in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
Showers likely with a chance of thunderstorms in the morning,
then showers and thunderstorms in the afternoon.

Winds and seas higher in and near thunderstorms.

$$

GMZ873-282015-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
314 AM EDT Thu Aug 28 2025

.TODAY...Northeast winds around 5 knots, becoming southeast
around 5 knots early this afternoon, then becoming west late.
Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. A
slight chance of showers and thunderstorms.
.TONIGHT...Northwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds. A slight chance of
showers and thunderstorms.
.FRIDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 3 seconds. A chance of showers with a
slight chance of thunderstorms.
.FRIDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds. A chance of showers. A chance of thunderstorms, mainly
in the evening.
.SATURDAY...South winds around 5 knots, becoming west in the
afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at
2 seconds and northwest 1 foot at 4 seconds. Showers likely with
a chance of thunderstorms.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming south
after midnight. Seas 1 foot or less. Wave Detail: Northwest
1 foot at 4 seconds. Showers likely with a chance of
thunderstorms.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Showers
likely with a chance of thunderstorms in the morning, then
showers with thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast
after midnight. Seas 1 foot or less. Showers with thunderstorms
likely in the evening, then showers likely with a chance of
thunderstorms after midnight.
.MONDAY...East winds around 10 knots, becoming west in the
afternoon. Seas 1 foot or less. Showers. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.

Winds and seas higher in and near thunderstorms.

$$

GMZ850-282015-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
314 AM EDT Thu Aug 28 2025

.TODAY...East winds 5 to 10 knots, becoming south early this
afternoon, then becoming west around 5 knots late. Seas 1 foot or
less. Wave Detail: North 1 foot at 3 seconds. Bay and inland
waters light chop. A slight chance of showers and thunderstorms
late this morning. A chance of showers and thunderstorms this
afternoon.
.TONIGHT...Northwest winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at
2 seconds and northeast 1 foot at 2 seconds. Bay and inland
waters light chop. A slight chance of showers and thunderstorms
in the evening.
.FRIDAY...East winds around 5 knots, becoming west in the
afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at
2 seconds. Bay and inland waters smooth. A chance of showers. A
slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.FRIDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
2 seconds. Bay and inland waters light chop. A chance of showers.
A chance of thunderstorms, mainly in the evening.
.SATURDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot
at 2 seconds and southwest 1 foot at 2 seconds. Bay and inland
waters light chop. A chance of showers and thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
.SATURDAY NIGHT...North winds 5 to 10 knots, becoming southeast
after midnight. Seas 1 foot or less. Wave Detail: Northwest
1 foot at 2 seconds and east 1 foot at 2 seconds. Bay and inland
waters light chop. Showers likely. Thunderstorms likely, mainly
in the evening.
.SUNDAY...East winds 5 to 10 knots, becoming west in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
Showers likely with a chance of thunderstorms in the morning,
then showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Northeast winds around 10 knots, becoming east
after midnight. Seas 1 foot or less. Bay and inland waters light
chop. Showers and thunderstorms in the evening, then showers
likely with a chance of thunderstorms after midnight.
.MONDAY...Northeast winds around 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Showers likely. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.

Winds and seas higher in and near thunderstorms.

$$

GMZ870-282015-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
314 AM EDT Thu Aug 28 2025

.TODAY...East winds around 5 knots, becoming west late. Seas
1 foot or less. Wave Detail: North 1 foot at 3 seconds. A slight
chance of showers and thunderstorms late this morning and
afternoon.
.TONIGHT...Northwest winds around 5 knots, becoming northeast
after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds. A slight chance of thunderstorms in the evening. A
slight chance of showers.
.FRIDAY...East winds around 5 knots, becoming north in the
afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
2 seconds. A chance of showers with a slight chance of
thunderstorms.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots, becoming southeast
after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
2 seconds. A chance of showers. A chance of thunderstorms, mainly
in the evening.
.SATURDAY...South winds 5 to 10 knots, becoming west in the
afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at
3 seconds. Showers likely with a chance of thunderstorms.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming
southeast after midnight. Seas 1 foot or less. Wave Detail: West
1 foot at 2 seconds and east 1 foot at 2 seconds. Showers likely
with a chance of thunderstorms.
.SUNDAY...South winds around 10 knots, becoming northwest in the
afternoon. Seas 1 foot or less. Showers. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.
.SUNDAY NIGHT...North winds around 10 knots, becoming east after
midnight. Seas 1 foot or less. Showers likely. Thunderstorms
likely, mainly in the evening.
.MONDAY...Northeast winds around 10 knots. Seas 1 foot or less.
Showers with a chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$