Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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664
FZUS52 KTBW 291309
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
909 AM EDT Fri Aug 29 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.

GMZ800-300215-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
909 AM EDT Fri Aug 29 2025

.SYNOPSIS...
Weak high pressure will remain over the waters through Friday. A
frontal boundary will push over the northern waters during the
weekend increasing the chance of showers and thunderstorms. Winds
and seas are expected to remain below cautionary levels through
the period, but locally gusty winds and rough seas may occur in
the vicinity of showers and storms.

&&

$$

GMZ830-300215-
Tampa Bay waters-
909 AM EDT Fri Aug 29 2025

.REST OF TODAY...West winds 5 to 10 knots. Bay and inland waters
light chop. Scattered showers and thunderstorms this afternoon.
.TONIGHT...Northwest winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop. Scattered showers and
thunderstorms in the evening.
.SATURDAY...South winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop. Scattered showers
with isolated thunderstorms in the morning, then numerous showers
and scattered thunderstorms in the afternoon.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Bay and inland waters light chop.
Scattered thunderstorms. Numerous showers, mainly in the evening.
.SUNDAY...Northwest winds 5 to 10 knots. Bay and inland waters
light chop. Scattered showers and thunderstorms in the morning,
then widespread showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast
after midnight. Bay and inland waters light chop. Widespread
showers and thunderstorms, mainly in the evening.
.MONDAY...Northeast winds 5 to 10 knots, becoming northwest in
the afternoon. Bay and inland waters light chop. Scattered
showers and thunderstorms in the morning, then widespread showers
and thunderstorms in the afternoon.
.MONDAY NIGHT...North winds around 10 knots, becoming east after
midnight. Bay and inland waters light chop. Widespread showers
and thunderstorms, mainly in the evening.
.TUESDAY...Northeast 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.

Winds and waves higher in and near thunderstorms.

$$

GMZ836-300215-
Charlotte Harbor and Pine Island Sound-
909 AM EDT Fri Aug 29 2025

.REST OF TODAY...North winds around 5 knots, becoming west this
afternoon. Bay and inland waters light chop. Scattered showers
and thunderstorms this afternoon.
.TONIGHT...Northwest winds 5 to 10 knots, becoming southeast
after midnight. Bay and inland waters light chop. Scattered
showers and thunderstorms in the evening.
.SATURDAY...South winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop. Scattered showers
with isolated thunderstorms in the morning, then numerous showers
and scattered thunderstorms in the afternoon.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots. Bay and inland
waters light chop. Numerous showers and scattered thunderstorms
in the evening, then scattered showers with isolated
thunderstorms after midnight.
.SUNDAY...Northwest winds 5 to 10 knots. Bay and inland waters
light chop. Scattered showers with isolated thunderstorms in the
morning, then numerous showers and thunderstorms in the
afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming north
after midnight. Bay and inland waters light chop. Numerous
showers and thunderstorms, mainly in the evening.
.MONDAY...North winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop. Scattered showers
and thunderstorms in the morning, then widespread showers and
thunderstorms in the afternoon.
.MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast
after midnight. Bay and inland waters light chop. Widespread
showers and thunderstorms, mainly in the evening.
.TUESDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Bay and inland waters light chop. Scattered
thunderstorms. Scattered showers in the morning, then widespread
showers in the afternoon.

Winds and waves higher in and near thunderstorms.

$$

GMZ856-300215-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
909 AM EDT Fri Aug 29 2025

.REST OF TODAY...West winds around 5 knots. Seas 1 foot or less.
Bay and inland waters smooth. Isolated showers and thunderstorms
early this afternoon. Scattered showers and thunderstorms late.
.TONIGHT...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. Scattered
showers and thunderstorms, mainly in the evening.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay
and inland waters light chop. Scattered showers. Isolated
thunderstorms in the morning, then scattered thunderstorms in the
afternoon.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland
waters light chop. Scattered showers and thunderstorms.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 3 seconds. Bay and inland waters
light chop. Scattered showers and thunderstorms in the morning,
then numerous showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland
waters light chop. Numerous showers. Numerous thunderstorms,
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.
Numerous showers. Scattered thunderstorms in the morning, then
numerous thunderstorms in the afternoon.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Bay and inland waters light chop. Numerous showers.
Numerous thunderstorms, mainly in the evening.
.TUESDAY...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.

$$

GMZ876-300215-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
909 AM EDT Fri Aug 29 2025

.REST OF TODAY...Northwest winds around 5 knots. Seas 1 foot or
less. Wave Detail: Northwest 1 foot at 3 seconds. Isolated
showers and thunderstorms.
.TONIGHT...Northwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds. Scattered showers and
thunderstorms, mainly in the evening.
.SATURDAY...West winds around 5 knots. Seas 1 foot or less.
Scattered showers. Isolated thunderstorms in the morning, then
scattered thunderstorms in the afternoon.
.SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds. Scattered showers and
thunderstorms.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. Numerous showers. Scattered
thunderstorms in the morning, then numerous thunderstorms in the
afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Northwest 1 foot at 3 seconds. Numerous
showers. Numerous thunderstorms, mainly in the evening.
.MONDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Numerous showers. Scattered thunderstorms in the morning, then
numerous thunderstorms in the afternoon.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Numerous showers. Numerous thunderstorms, mainly in the
evening.
.TUESDAY...West winds around 10 knots. Seas 1 foot or less.
Numerous showers and scattered thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ853-300215-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
909 AM EDT Fri Aug 29 2025

.REST OF TODAY...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland waters
light chop. Isolated showers and thunderstorms this afternoon.
.TONIGHT...Northwest winds 5 to 10 knots, becoming southwest
after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
2 seconds. Bay and inland waters light chop. Isolated showers and
thunderstorms.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. Bay and inland waters light
chop. Scattered showers. Isolated thunderstorms in the morning,
then scattered thunderstorms in the afternoon.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 2 seconds. Bay and inland waters
light chop. Scattered showers and thunderstorms.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. Bay and inland waters light
chop. Numerous showers. Scattered thunderstorms in the morning,
then numerous thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds around 10 knots, becoming north
after midnight. Seas 1 foot or less. Wave Detail: Northeast
1 foot at 2 seconds and northwest 1 foot at 3 seconds. Bay and
inland waters light chop. Numerous showers. Numerous
thunderstorms, mainly in the evening.
.MONDAY...Northeast winds 5 to 10 knots, becoming northwest in
the afternoon. Seas 1 foot or less. Bay and inland waters light
chop. Numerous showers. Scattered thunderstorms in the morning,
then numerous thunderstorms in the afternoon.
.MONDAY NIGHT...North winds around 10 knots, becoming east after
midnight. Seas 1 foot or less. Bay and inland waters light chop.
Numerous showers. Numerous thunderstorms, mainly in the evening.
.TUESDAY...Northeast winds around 10 knots, becoming northwest in
the afternoon. Seas 1 foot or less. Bay and inland waters light
chop. Numerous showers and scattered thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ873-300215-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
909 AM EDT Fri Aug 29 2025

.REST OF TODAY...Northwest winds around 5 knots. Seas 1 foot or
less. Wave Detail: Northwest 1 foot at 3 seconds. Isolated
showers and thunderstorms this afternoon.
.TONIGHT...Northwest winds around 5 knots, becoming west after
midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at
3 seconds. Isolated showers and thunderstorms.
.SATURDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 2 seconds. Scattered showers. Isolated
thunderstorms in the morning, then scattered thunderstorms in the
afternoon.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds. Scattered showers and
thunderstorms.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. Numerous showers. Scattered
thunderstorms in the morning, then numerous thunderstorms in the
afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Northwest 1 foot at 3 seconds. Numerous
showers. Numerous thunderstorms, mainly in the evening.
.MONDAY...North winds 5 to 10 knots. Seas 1 foot or less.
Widespread showers. Scattered thunderstorms in the morning, then
numerous thunderstorms in the afternoon.
.MONDAY NIGHT...North winds around 10 knots, becoming northeast
after midnight. Seas 1 foot or less, then around 2 feet after
midnight. Numerous showers. Numerous thunderstorms, mainly in the
evening.
.TUESDAY...North winds around 10 knots. Seas around 2 feet.
Numerous showers and scattered thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ850-300215-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
909 AM EDT Fri Aug 29 2025

.REST OF TODAY...Northwest winds around 5 knots. Seas 1 foot or
less. Bay and inland waters smooth. Isolated showers and
thunderstorms late this morning, then scattered showers and
thunderstorms this afternoon.
.TONIGHT...North winds 5 to 10 knots, becoming southeast 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.
.SATURDAY...South winds around 5 knots, becoming west 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 smooth. Numerous showers and scattered thunderstorms.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at
2 seconds. Bay and inland waters light chop. Numerous showers and
scattered thunderstorms.
.SUNDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 2 seconds and west 1 foot at
3 seconds. Bay and inland waters light chop. Numerous showers and
scattered thunderstorms in the morning, then widespread showers
and thunderstorms in the afternoon.
.SUNDAY NIGHT...North winds 5 to 10 knots, becoming northeast
after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds. Bay and inland waters light chop. Widespread showers
and thunderstorms in the evening, then numerous showers and
scattered thunderstorms after midnight.
.MONDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Bay
and inland waters light chop. Numerous showers. Scattered
thunderstorms in the morning, then numerous thunderstorms in the
afternoon.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 foot or
less, then around 2 feet after midnight. Bay and inland waters a
moderate chop. Numerous showers. Numerous thunderstorms, mainly
in the evening.
.TUESDAY...Northeast winds around 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.

$$

GMZ870-300215-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
909 AM EDT Fri Aug 29 2025

.REST OF TODAY...West winds around 5 knots. Seas 1 foot or less.
Isolated showers and thunderstorms late this morning and early
afternoon, then scattered showers and thunderstorms late.
.TONIGHT...North winds 5 to 10 knots, becoming southeast after
midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
2 seconds. Scattered showers and thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 2 seconds and east 1 foot at
2 seconds. Numerous showers and scattered thunderstorms.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming
southwest after midnight. Seas 1 foot or less. Wave Detail: West
1 foot at 2 seconds. Numerous showers and scattered
thunderstorms.
.SUNDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds. Widespread showers.
Scattered thunderstorms in the morning, then numerous
thunderstorms in the afternoon.
.SUNDAY NIGHT...North winds 5 to 10 knots, becoming northeast
after midnight. Seas 1 foot or less. Wave Detail: Northwest
1 foot at 3 seconds. Widespread showers. Numerous thunderstorms,
mainly in the evening.
.MONDAY...Northeast winds around 10 knots. Seas around 2 feet.
Widespread showers. Scattered thunderstorms in the morning, then
numerous thunderstorms in the afternoon.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas around
2 feet. Numerous showers. Numerous thunderstorms, mainly in the
evening.
.TUESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet.
Numerous showers and scattered thunderstorms.

Winds and seas higher in and near thunderstorms.

$$