Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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FZUS52 KTBW 010823
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
423 AM EDT Mon Sep 1 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.

GMZ800-012100-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
423 AM EDT Mon Sep 1 2025

.SYNOPSIS...

Breezy northeast winds approaching exercise caution levels likely
again across the northeastern Gulf waters today and tonight north
of a boundary over the southern waters. Winds diminish into mid
week, however shower and storm chances will continue through the
week, particularly in the vicinity of the boundary.

&&

$$

GMZ830-012100-
Tampa Bay waters-
423 AM EDT Mon Sep 1 2025

.TODAY...Northeast winds 5 to 10 knots. Bay and inland waters
light chop. Scattered showers and thunderstorms this afternoon.
.TONIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Bay and inland waters a moderate chop. Scattered
showers and thunderstorms in the evening.
.TUESDAY...North winds 5 to 10 knots. Bay and inland waters light
chop. Isolated showers and thunderstorms in the morning, then
numerous showers and scattered thunderstorms in the afternoon.
.TUESDAY NIGHT...North winds around 10 knots, becoming east after
midnight. Bay and inland waters light chop. Scattered
thunderstorms. Numerous showers, mainly in the evening.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming southwest in
the afternoon. Bay and inland waters light chop. Scattered
thunderstorms. Scattered showers in the morning, then numerous
showers in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop. Scattered
thunderstorms. Numerous showers, mainly in the evening.
.THURSDAY...East winds 5 to 10 knots, becoming west in the
afternoon. Bay and inland waters light chop. Scattered showers
and thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming
southeast after midnight. Bay and inland waters light chop.
Scattered showers and thunderstorms.
.FRIDAY...East winds around 5 knots, becoming northwest in the
afternoon. Bay and inland waters light chop. Scattered showers
and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ836-012100-
Charlotte Harbor and Pine Island Sound-
423 AM EDT Mon Sep 1 2025

.TODAY...Northwest winds 5 to 10 knots, becoming west late. Bay
and inland waters light chop. Scattered thunderstorms. Scattered
showers this morning, then numerous showers this afternoon.
.TONIGHT...North winds 5 to 10 knots. Bay and inland waters light
chop. Numerous showers and scattered thunderstorms in the
evening.
.TUESDAY...North winds 5 to 10 knots, becoming northwest in the
afternoon. Bay and inland waters light chop. Scattered
thunderstorms. Scattered showers in the morning, then numerous
showers in the afternoon.
.TUESDAY NIGHT...North winds 5 to 10 knots, becoming northeast
after midnight. Bay and inland waters light chop. Numerous
showers and scattered thunderstorms.
.WEDNESDAY...North winds 5 to 10 knots, becoming west in the
afternoon. Bay and inland waters light chop. Numerous showers and
scattered thunderstorms.
.WEDNESDAY NIGHT...West winds 5 to 10 knots, becoming south after
midnight. Bay and inland waters light chop. Numerous showers and
scattered thunderstorms.
.THURSDAY...West winds 5 to 10 knots. Bay and inland waters light
chop. Numerous showers and scattered thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots. Bay and inland waters
light chop. Scattered thunderstorms. Numerous showers, mainly in
the evening.
.FRIDAY...West winds 5 to 10 knots. Bay and inland waters light
chop. Numerous showers and scattered thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ856-012100-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
423 AM EDT Mon Sep 1 2025

.TODAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 4 seconds. Bay and inland waters
light chop. Scattered showers and thunderstorms.
.TONIGHT...North winds around 10 knots, becoming northeast after
midnight. Seas around 2 feet. Wave Detail: North 1 foot at
3 seconds. Bay and inland waters light chop. Numerous showers and
scattered thunderstorms in the evening, then isolated showers and
thunderstorms after midnight.
.TUESDAY...North winds 5 to 10 knots, becoming northwest in the
afternoon. Seas around 2 feet. Wave Detail: North 1 foot at
4 seconds. Bay and inland waters light chop. Scattered
thunderstorms. Scattered showers in the morning, then numerous
showers in the afternoon.
.TUESDAY NIGHT...North winds 5 to 10 knots, becoming northeast
after midnight. Seas 1 foot or less. Wave Detail: Northeast
1 foot at 2 seconds and northwest 1 foot at 5 seconds. Bay and
inland waters light chop. Numerous showers and scattered
thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot
at 2 seconds and northwest 1 foot at 4 seconds. Bay and inland
waters light chop. Numerous showers and scattered thunderstorms.
.WEDNESDAY NIGHT...West winds around 10 knots, becoming south
after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at
3 seconds. Bay and inland waters light chop. Widespread showers
and scattered thunderstorms.
.THURSDAY...West winds around 10 knots. Seas around 2 feet. Bay
and inland waters light chop. Numerous showers and scattered
thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Bay and inland waters light
chop. Numerous showers and scattered thunderstorms.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay and
inland waters light chop. Numerous showers and scattered
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ876-012100-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
423 AM EDT Mon Sep 1 2025

.TODAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 4 seconds. Scattered thunderstorms.
.TONIGHT...North winds around 10 knots, becoming northeast after
midnight. Seas around 2 feet. Wave Detail: North 2 feet at
5 seconds. Scattered showers and thunderstorms.
.TUESDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: North 2 feet at 5 seconds and southwest 1 foot at
5 seconds. Numerous showers and scattered thunderstorms.
.TUESDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas around 2 feet. Wave Detail: North 2 feet at
5 seconds and southwest 1 foot at 5 seconds. Widespread showers
and scattered thunderstorms.
.WEDNESDAY...South winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
4 seconds and west 1 foot at 5 seconds. Widespread showers and
scattered thunderstorms.
.WEDNESDAY NIGHT...West winds around 10 knots, becoming southwest
after midnight. Seas 1 foot or less, then around 2 feet after
midnight. Wave Detail: North 1 foot at 3 seconds and southwest
1 foot at 4 seconds, becoming southwest 1 foot at 4 seconds.
Widespread showers and scattered thunderstorms.
.THURSDAY...West winds around 10 knots. Seas around 2 feet.
Widespread showers and scattered thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Numerous showers and scattered thunderstorms.
.FRIDAY...West winds 5 to 10 knots. Seas around 2 feet. Numerous
showers and scattered thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ853-012100-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
423 AM EDT Mon Sep 1 2025

...SMALL CRAFT EXERCISE CAUTION LATE THIS EVENING AND OVERNIGHT...

.TODAY...Northeast winds 10 to 15 knots, becoming north 5 to
10 knots early this afternoon, then increasing to 10 to 15 knots
late. Seas around 2 feet. Wave Detail: North 2 feet at 4 seconds.
Bay and inland waters a moderate chop. A slight chance of showers
and thunderstorms this morning, then scattered showers and
thunderstorms this afternoon.
.TONIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave
Detail: North 2 feet at 4 seconds. Bay and inland waters choppy.
Scattered showers and thunderstorms, mainly in the evening.
.TUESDAY...Northeast winds 10 to 15 knots, becoming north 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: North
2 feet at 5 seconds. Bay and inland waters a moderate chop.
Scattered thunderstorms. Scattered showers in the morning, then
numerous showers in the afternoon.
.TUESDAY NIGHT...North winds around 10 knots, becoming east after
midnight. Seas around 2 feet. Wave Detail: North 1 foot at
4 seconds. Bay and inland waters light chop. Numerous showers and
scattered thunderstorms.
.WEDNESDAY...East winds around 10 knots, becoming west in the
afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at
3 seconds and north 1 foot at 4 seconds. Bay and inland waters
light chop. Numerous showers and scattered thunderstorms.
.WEDNESDAY NIGHT...North winds around 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. Numerous showers and
scattered thunderstorms.
.THURSDAY...East winds around 10 knots, becoming west in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
Numerous showers and scattered thunderstorms.
.THURSDAY NIGHT...West winds around 10 knots, becoming south
after midnight. Seas 1 foot or less. Bay and inland waters light
chop. Scattered showers and thunderstorms.
.FRIDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Bay
and inland waters light chop. Scattered showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ873-012100-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
423 AM EDT Mon Sep 1 2025

...SMALL CRAFT EXERCISE CAUTION LATE THIS EVENING AND OVERNIGHT...

.TODAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 3 feet at 5 seconds. Scattered showers and
thunderstorms.
.TONIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: North 3 feet at 5 seconds and west 2 feet at
5 seconds. Scattered thunderstorms. Numerous showers, mainly in
the evening.
.TUESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: North
3 feet at 5 seconds. Scattered thunderstorms. Scattered showers
in the morning, then numerous showers in the afternoon.
.TUESDAY NIGHT...Northeast winds around 10 knots, becoming east
after midnight. Seas around 2 feet. Wave Detail: North 2 feet at
4 seconds. Numerous showers and scattered thunderstorms.
.WEDNESDAY...East winds around 10 knots, becoming northeast in
the afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: Northeast 1 foot at 4 seconds, becoming
northeast 1 foot at 3 seconds. Numerous showers and scattered
thunderstorms.
.WEDNESDAY NIGHT...North winds around 10 knots, becoming
southeast after midnight. Seas 1 foot or less. Wave Detail: West
1 foot at 3 seconds and northeast 1 foot at 3 seconds. Numerous
showers and scattered thunderstorms.
.THURSDAY...Southeast winds around 10 knots, becoming northwest
in the afternoon. Seas 1 foot or less. Numerous showers and
scattered thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Scattered showers and thunderstorms.
.FRIDAY...North winds 5 to 10 knots. Seas around 2 feet.
Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ850-012100-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
423 AM EDT Mon Sep 1 2025

...SMALL CRAFT EXERCISE CAUTION LATE THIS EVENING AND OVERNIGHT...

.TODAY...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at
4 seconds. Bay and inland waters a moderate chop. Isolated
showers and thunderstorms this morning, then scattered showers
and thunderstorms this afternoon.
.TONIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at
4 seconds. Bay and inland waters choppy. Scattered showers and
thunderstorms in the evening.
.TUESDAY...Northeast winds 10 to 15 knots, becoming north 5 to
10 knots in the afternoon. Seas 1 to 2 feet. Wave Detail: North
2 feet at 4 seconds. Bay and inland waters a moderate chop.
Isolated showers and thunderstorms in the morning, then scattered
showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 foot or
less. Wave Detail: North 1 foot at 3 seconds. Bay and inland
waters a moderate chop. Scattered showers and thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 2 seconds. Bay and inland waters
light chop. Scattered showers and thunderstorms.
.WEDNESDAY NIGHT...Northeast 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. Scattered showers
and thunderstorms.
.THURSDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
Scattered showers and thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming
southeast after midnight. Seas 1 foot or less. Bay and inland
waters light chop. Scattered showers and thunderstorms.
.FRIDAY...Northeast winds around 5 knots, becoming northwest in
the afternoon. Seas 1 foot or less. Bay and inland waters smooth.
Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ870-012100-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
423 AM EDT Mon Sep 1 2025

...SMALL CRAFT EXERCISE CAUTION...

.TODAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: North 4 feet at 5 seconds.
Scattered showers and thunderstorms.
.TONIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
North 4 feet at 4 seconds. Scattered showers and thunderstorms,
mainly in the evening.
.TUESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 5 seconds. Scattered showers and
thunderstorms.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: North 2 feet at 4 seconds. Numerous showers
and scattered thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Northeast 2 feet at 3 seconds. Numerous showers and
scattered thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: Northeast
1 foot at 3 seconds. Numerous showers and scattered
thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Seas 1 foot or less.
Numerous showers and scattered thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming
southeast after midnight. Seas 1 foot or less. Scattered showers
and thunderstorms.
.FRIDAY...Northeast winds around 5 knots. Seas 1 foot or less.
Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$