Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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FZUS52 KTBW 230055
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
855 PM EDT Fri Aug 22 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.

GMZ800-230800-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
855 PM EDT Fri Aug 22 2025

.SYNOPSIS...
Persistent west-southwest winds 15 knots or less and 1-2 foot seas
will continue over the eastern gulf waters through the weekend.
Scattered to numerous showers and thunderstorms are expected over
the coming days with highest chances during the late night and
morning hours each day. Outside of thunderstorms, winds and seas
will remain below headline criteria.

&&

$$

GMZ830-230800-
Tampa Bay waters-
855 PM EDT Fri Aug 22 2025

.REST OF TONIGHT...Southwest winds 5 to 10 knots. Bay and inland
waters light chop. Scattered showers and thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots, becoming west 10 to
15 knots in the afternoon. Bay and inland waters a moderate chop.
Scattered thunderstorms. Widespread showers.
.SATURDAY NIGHT...West winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight. Bay and inland waters a moderate
chop. Scattered thunderstorms. Scattered showers in the evening,
then numerous showers after midnight.
.SUNDAY...West winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. Bay and inland waters
a moderate chop. Widespread showers and scattered thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Bay and inland waters a moderate chop.
Scattered thunderstorms. Numerous showers, mainly in the evening.
.MONDAY...West winds 5 to 10 knots. Bay and inland waters light
chop. Numerous showers and scattered thunderstorms.
.MONDAY NIGHT...West winds 5 to 10 knots. Bay and inland waters
light chop. Scattered showers and thunderstorms, mainly in the
evening.
.TUESDAY...West winds 5 to 10 knots. Bay and inland waters light
chop. Isolated showers and thunderstorms in the morning, then
scattered showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Bay and inland waters light chop.
Scattered showers and thunderstorms in the evening.
.WEDNESDAY...Northeast winds 5 to 10 knots. Bay and inland waters
light chop. Isolated showers and thunderstorms in the morning,
then scattered showers and thunderstorms in the afternoon.

Winds and waves higher in and near thunderstorms.

$$

GMZ836-230800-
Charlotte Harbor and Pine Island Sound-
855 PM EDT Fri Aug 22 2025

.REST OF TONIGHT...West winds 5 to 10 knots. Bay and inland
waters light chop. Scattered showers and thunderstorms early this
evening, then isolated showers and thunderstorms late this evening
and early morning. Scattered showers and thunderstorms toward
morning.
.SATURDAY...Southwest winds 5 to 10 knots, becoming west 10 to
15 knots with gusts up to 20 knots in the afternoon. Bay and
inland waters a moderate chop. Scattered thunderstorms. Scattered
showers in the morning, then numerous showers in the afternoon.
.SATURDAY NIGHT...West winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight. Bay and inland waters a moderate
chop. Scattered showers and thunderstorms.
.SUNDAY...Southwest winds 5 to 10 knots, becoming west 10 to
15 knots with gusts up to 20 knots in the afternoon. Bay and
inland waters a moderate chop. Numerous showers and scattered
thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight. Bay and inland waters a moderate
chop. Scattered thunderstorms. Numerous showers, mainly in the
evening.
.MONDAY...Southwest winds 5 to 10 knots, becoming west 10 to
15 knots in the afternoon. Bay and inland waters a moderate chop.
Scattered showers and thunderstorms.
.MONDAY NIGHT...West winds 5 to 10 knots. Bay and inland waters
light chop. Scattered showers and thunderstorms, mainly in the
evening.
.TUESDAY...West winds 5 to 10 knots. Bay and inland waters light
chop. Scattered showers and thunderstorms.
.TUESDAY 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.
.WEDNESDAY...Northeast 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.

Winds and waves higher in and near thunderstorms.

$$

GMZ856-230800-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
855 PM EDT Fri Aug 22 2025

.REST OF TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds. Bay and inland waters
light chop. Scattered showers and thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet in the afternoon. Wave Detail: West 1 foot at
4 seconds. Bay and inland waters light chop. Scattered
thunderstorms. Scattered showers in the morning, then numerous
showers in the afternoon.
.SATURDAY NIGHT...West winds around 10 knots. Seas around 2 feet.
Wave Detail: West 1 foot at 4 seconds. Bay and inland waters
light chop. Scattered showers and thunderstorms.
.SUNDAY...Southwest winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 5 seconds. Bay and inland waters
a moderate chop. Numerous showers and scattered thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 5 seconds. Bay and inland waters
a moderate chop. Scattered thunderstorms. Numerous showers,
mainly in the evening.
.MONDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 5 seconds. Bay and inland waters
light chop. Scattered showers and thunderstorms.
.MONDAY 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. Scattered showers and thunderstorms, mainly in the evening.
.TUESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay and
inland waters light chop. Scattered showers and thunderstorms.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north
after midnight. Seas 1 foot or less. Bay and inland waters light
chop. Scattered showers and thunderstorms.
.WEDNESDAY...Northeast winds around 5 knots, becoming northwest
in the afternoon. Seas 1 foot or less. Bay and inland waters
smooth. Isolated showers and thunderstorms in the morning, then
scattered showers and thunderstorms in the afternoon.

Winds and seas higher in and near thunderstorms.

$$

GMZ876-230800-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
855 PM EDT Fri Aug 22 2025

.REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: West 1 foot at 4 seconds. Scattered showers and
thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: West 1 foot at 4 seconds. Scattered thunderstorms.
Scattered showers in the morning, then numerous showers in the
afternoon.
.SATURDAY NIGHT...West winds around 10 knots. Seas around 2 feet.
Wave Detail: West 1 foot at 4 seconds. Scattered showers and
thunderstorms.
.SUNDAY...Southwest winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 5 seconds. Numerous showers and
scattered thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas around 2 feet. Wave Detail:
Southwest 2 feet at 5 seconds. Scattered thunderstorms. Numerous
showers, mainly in the evening.
.MONDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 5 seconds. Scattered showers and
thunderstorms.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Scattered showers and thunderstorms.
.TUESDAY...Northwest winds around 5 knots. Seas 1 foot or less.
Scattered showers and thunderstorms.
.TUESDAY NIGHT...North winds around 5 knots. Seas 1 foot or less.
Scattered showers and thunderstorms.
.WEDNESDAY...Northeast winds around 5 knots. Seas 1 foot or less.
Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ853-230800-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
855 PM EDT Fri Aug 22 2025

.REST OF TONIGHT...Southwest winds around 10 knots. Seas around 2
feet. Wave Detail: West 1 foot at 4 seconds. Bay and inland
waters light chop. Scattered showers and thunderstorms.
.SATURDAY...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds. Bay and inland waters a
moderate chop. Scattered thunderstorms. Widespread showers.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds. Bay and inland waters a
moderate chop. Scattered thunderstorms. Scattered showers in the
evening, then numerous showers after midnight.
.SUNDAY...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds. Bay and inland waters a
moderate chop. Widespread showers and scattered thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 5 seconds. Bay and inland waters
a moderate chop. Scattered thunderstorms. Numerous showers,
mainly in the evening.
.MONDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 5 seconds. Bay and inland waters
light chop. Numerous showers and scattered thunderstorms.
.MONDAY 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. Scattered showers and thunderstorms, mainly in the evening.
.TUESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Scattered showers and
thunderstorms.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north
after midnight. Seas 1 foot or less. Bay and inland waters light
chop. Scattered showers and thunderstorms, mainly in the evening.
.WEDNESDAY...North 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.

Winds and seas higher in and near thunderstorms.

$$

GMZ873-230800-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
855 PM EDT Fri Aug 22 2025

.REST OF TONIGHT...Southwest winds around 10 knots. Seas around 2
feet. Wave Detail: Southwest 1 foot at 4 seconds. Scattered
showers and thunderstorms.
.SATURDAY...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds. Scattered thunderstorms.
Widespread showers.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds. Scattered thunderstorms.
Scattered showers in the evening, then numerous showers after
midnight.
.SUNDAY...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds. Widespread showers and
scattered thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 5 seconds. Numerous showers and
scattered thunderstorms.
.MONDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 5 seconds. Scattered thunderstorms.
Numerous showers, mainly in the morning.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Scattered showers and
thunderstorms.
.TUESDAY...Northwest winds around 5 knots. Seas 1 foot or less.
Scattered showers and thunderstorms.
.TUESDAY NIGHT...North winds around 5 knots. Seas 1 foot or less.
Isolated showers and thunderstorms.
.WEDNESDAY...Northeast winds around 5 knots. Seas 1 foot or less.
Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ850-230800-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
855 PM EDT Fri Aug 22 2025

.REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Southwest 1 foot at 3 seconds. Bay and inland
waters light chop. Scattered thunderstorms. Scattered showers this
evening, then numerous showers after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Wave Detail: Southwest 1 foot at
4 seconds. Bay and inland waters light chop. Widespread showers
and scattered thunderstorms.
.SATURDAY NIGHT...West winds around 10 knots. Seas around 2 feet.
Wave Detail: Southwest 1 foot at 4 seconds. Bay and inland waters
light chop. Scattered thunderstorms. Scattered showers in the
evening, then widespread showers after midnight.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 1 foot at 4 seconds. Bay and inland waters light
chop. Widespread showers and scattered thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas around 2 feet. Wave Detail: West
2 feet at 4 seconds. Bay and inland waters a moderate chop.
Scattered thunderstorms. Numerous showers, mainly in the evening.
.MONDAY...West winds 5 to 10 knots. Seas 1 to 2 feet in the
morning, then 1 foot or less. Wave Detail: Southwest 1 foot at
5 seconds. Bay and inland waters light chop. Numerous showers and
scattered thunderstorms.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Scattered showers and
thunderstorms, mainly in the evening.
.TUESDAY...Northwest winds around 5 knots. Seas 1 foot or less.
Bay and inland waters smooth. Scattered showers and
thunderstorms.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Seas 1 foot or less. Bay and inland
waters light chop. Isolated showers and thunderstorms.
.WEDNESDAY...Northeast 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.

Winds and seas higher in and near thunderstorms.

$$

GMZ870-230800-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
855 PM EDT Fri Aug 22 2025

.REST OF TONIGHT...Southwest winds around 10 knots. Seas 1 foot
or less, then around 2 feet after midnight. Wave Detail: Southwest
1 foot at 4 seconds, becoming southwest 2 feet at 4 seconds.
Scattered thunderstorms. Scattered showers this evening, then
widespread showers after midnight.
.SATURDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 5 seconds. Widespread showers and
scattered thunderstorms.
.SATURDAY NIGHT...West winds around 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 4 seconds. Scattered
thunderstorms. Widespread showers.
.SUNDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds. Widespread showers and
scattered thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds. Numerous showers and
scattered thunderstorms.
.MONDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 5 seconds. Numerous showers and
scattered thunderstorms.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet.
Scattered showers and thunderstorms.
.TUESDAY...North winds 5 to 10 knots. Seas 1 foot or less.
Scattered showers and thunderstorms.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Seas 1 foot or less. Isolated showers
and thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Isolated showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$