219
FZUS52 KTBW 291820
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
220 PM 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.

GMZ800-300715-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
220 PM EDT Fri Aug 29 2025

.SYNOPSIS...

Quiet boating conditions today will give way to an unsettled pattern
across Gulf Waters over the weekend and into early next week as a
frontal boundary sinks south. Scattered to numerous showers and
thunderstorms will be possible at nearly any time beginning late
Saturday and into Sunday, with locally hazardous winds and seas in
the vicinity. Outside of thunderstorms, winds will flip flop in the
coming days, but should generally remain below 15 knots with seas
around 2 feet or less.

&&

$$

GMZ830-300715-
Tampa Bay waters-
220 PM EDT Fri Aug 29 2025

.TONIGHT...Northwest winds 5 to 10 knots, becoming east after
midnight, then becoming southeast late. Bay and inland waters
light chop. Isolated showers and thunderstorms early this
evening.
.SATURDAY...South winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop. Isolated showers and
thunderstorms in the morning, then scattered showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Bay and inland waters light chop.
Scattered showers and thunderstorms, mainly in the evening.
.SUNDAY...West 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 around 10 knots, becoming
northeast after midnight. Bay and inland waters light chop.
Numerous showers and thunderstorms in the evening, then scattered
showers with isolated thunderstorms after midnight.
.MONDAY...Northeast winds 5 to 10 knots, becoming north in the
afternoon. Bay and inland waters light chop. Scattered showers
with isolated thunderstorms in the morning, then numerous showers
and thunderstorms in the afternoon.
.MONDAY NIGHT...Northeast winds around 10 knots. Bay and inland
waters light chop. Numerous showers and thunderstorms, mainly in
the evening.
.TUESDAY...Northeast winds 5 to 10 knots, becoming north in the
afternoon. Bay and inland waters light chop. Scattered showers
and thunderstorms in the morning, then numerous showers and
thunderstorms in the afternoon.
.TUESDAY NIGHT...Northeast winds around 10 knots, becoming east
after midnight. Bay and inland waters light chop. Numerous
showers and thunderstorms, mainly in the evening.
.WEDNESDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Bay and inland waters light chop. Scattered
showers and thunderstorms in the morning, then numerous showers
and thunderstorms in the afternoon.

Winds and waves higher in and near thunderstorms.

$$

GMZ836-300715-
Charlotte Harbor and Pine Island Sound-
220 PM EDT Fri Aug 29 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ856-300715-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
220 PM EDT Fri Aug 29 2025

.TONIGHT...Northwest winds 5 to 10 knots, becoming northeast
after midnight, then becoming south late. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds. Bay and inland waters
light chop. Isolated showers and thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Isolated showers and
thunderstorms in the morning, then scattered showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Northwest 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: Northwest 1 foot at 3 seconds. Bay and inland waters
light chop. Scattered showers and thunderstorms.
.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. Scattered showers and thunderstorms.
.MONDAY...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 in the morning,
then numerous showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Northwest winds around 10 knots, becoming
northeast after midnight. Seas 1 foot or less. Bay and inland
waters light chop. Numerous showers and thunderstorms, mainly in
the evening.
.TUESDAY...Northeast winds 5 to 10 knots, becoming northwest in
the afternoon. Seas 1 foot or less. Bay and inland waters light
chop. Scattered showers and thunderstorms.
.TUESDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Scattered showers and
thunderstorms.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay
and inland waters light chop. Scattered showers and thunderstorms
in the morning, then numerous showers and thunderstorms in the
afternoon.

Winds and seas higher in and near thunderstorms.

$$

GMZ876-300715-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
220 PM EDT Fri Aug 29 2025

.TONIGHT...Northwest winds around 5 knots, becoming northeast
after midnight, then becoming south late. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds. Isolated showers and
thunderstorms.
.SATURDAY...Southwest winds around 5 knots. Seas 1 foot or less.
Isolated showers and thunderstorms in the morning, then scattered
showers and 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. Scattered showers and
thunderstorms.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Northwest 1 foot at 3 seconds. Numerous
showers and scattered thunderstorms.
.MONDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds. Numerous showers and
thunderstorms.
.MONDAY NIGHT...Northwest winds around 10 knots, becoming
northeast after midnight. Seas 1 foot or less. Numerous showers
and scattered thunderstorms.
.TUESDAY...Northeast winds around 10 knots, becoming northwest in
the afternoon. Seas 1 foot or less. Scattered showers and
thunderstorms.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
southwest after midnight. Seas 1 foot or less. Scattered showers
and thunderstorms.
.WEDNESDAY...West winds around 10 knots. Seas 1 foot or less.
Numerous showers and scattered thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ853-300715-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
220 PM EDT Fri Aug 29 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ873-300715-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
220 PM EDT Fri Aug 29 2025

.TONIGHT...Northwest winds around 5 knots, becoming northeast
after midnight, then becoming south late. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less.
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: West 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 and scattered
thunderstorms.
.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. Wave
Detail: Northwest 1 foot at 3 seconds. Numerous showers and
scattered thunderstorms.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas around
2 feet. Scattered showers and thunderstorms.
.TUESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet.
Scattered showers and thunderstorms.
.TUESDAY NIGHT...Northeast winds around 10 knots, becoming
southeast after midnight. Seas around 2 feet. Scattered
thunderstorms. Scattered showers in the evening, then numerous
showers after midnight.
.WEDNESDAY...Southwest winds around 10 knots. Seas around 2 feet
in the morning, then 1 foot or less. Numerous showers and
scattered thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ850-300715-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
220 PM EDT Fri Aug 29 2025

.TONIGHT...Northwest 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 early this evening, then isolated showers and
thunderstorms late this evening and overnight.
.SATURDAY...South winds around 5 knots, becoming west in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
Scattered showers and thunderstorms in the morning, then numerous
showers and thunderstorms in the afternoon.
.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. Bay and inland waters light chop. Scattered
showers and thunderstorms.
.SUNDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 2 seconds. Bay and inland waters
light chop. Scattered showers and thunderstorms in the morning,
then numerous 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. Numerous showers and
thunderstorms in the evening, then scattered showers with
isolated thunderstorms after midnight.
.MONDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: North 1 foot at 3 seconds. Bay and inland waters
light chop. Scattered showers and thunderstorms.
.MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 2 feet. Bay and inland waters a moderate
chop. Scattered showers and thunderstorms.
.TUESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 1 to 2 feet in the morning, then
1 foot or less. Bay and inland waters a moderate chop. Scattered
showers and thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 1 foot or less.
Bay and inland waters a moderate chop. Scattered showers and
thunderstorms.
.WEDNESDAY...East winds around 10 knots, becoming southwest in
the afternoon. Seas 1 foot or less. Bay and inland waters light
chop. Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ870-300715-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
220 PM EDT Fri Aug 29 2025

.TONIGHT...North winds 5 to 10 knots, becoming southeast after
midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
2 seconds. Isolated showers and thunderstorms.
.SATURDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 2 seconds and northeast 1 foot at
2 seconds. Scattered thunderstorms. Scattered showers in the
morning, then numerous showers in the afternoon.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming south
after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at
2 seconds. Scattered showers and thunderstorms.
.SUNDAY...West winds 5 to 10 knots, becoming northwest in the
afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at
2 seconds. Numerous showers. Scattered thunderstorms in the
morning, then numerous thunderstorms in the afternoon.
.SUNDAY NIGHT...North winds 5 to 10 knots, becoming northeast
10 to 15 knots after midnight. Seas 1 foot or less, then around
2 feet after midnight. Wave Detail: North 1 foot at 3 seconds,
becoming north 2 feet at 3 seconds. Numerous showers. Numerous
thunderstorms, mainly in the evening.
.MONDAY...Northeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Northeast 2 feet at 3 seconds. Numerous showers and
scattered thunderstorms.
.MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Scattered showers and thunderstorms.
.TUESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet.
Numerous showers and scattered thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet.
Scattered thunderstorms. Scattered showers in the evening, then
numerous showers after midnight.
.WEDNESDAY...Southeast winds around 10 knots, becoming south in
the afternoon. Seas around 2 feet. Numerous showers and scattered
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$