Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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FZUS52 KTBW 300735
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
335 AM EDT Sat Aug 30 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.

GMZ800-302015-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
335 AM EDT Sat Aug 30 2025

.SYNOPSIS...

Unsettled pattern takes shape across the waters over the weekend
and into next week as a frontal boundary sinks south. Scattered
to numerous showers and thunderstorms will be possible at nearly
any time beginning later today, with locally hazardous winds and
seas in the vicinity. Outside of thunderstorms, winds should
generally remain below 15 knots with seas around 2 feet or less.

&&

$$

GMZ830-302015-
Tampa Bay waters-
335 AM EDT Sat Aug 30 2025

.TODAY...Southwest winds 5 to 10 knots, becoming west late. Bay
and inland waters light chop. Isolated showers and thunderstorms
early this afternoon. Scattered showers and thunderstorms late.
.TONIGHT...Northwest winds 5 to 10 knots, becoming south after
midnight. Bay and inland waters light chop. Scattered showers and
thunderstorms.
.SUNDAY...West 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 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...Southwest winds around 10 knots. Bay and inland
waters light chop. Numerous showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ836-302015-
Charlotte Harbor and Pine Island Sound-
335 AM EDT Sat Aug 30 2025

.TODAY...Southwest 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 southwest
after midnight. Bay and inland waters light chop. Scattered
showers and thunderstorms.
.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 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 numerous showers and
thunderstorms in the afternoon.
.MONDAY 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.
.TUESDAY...Northeast winds 5 to 10 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.
.TUESDAY NIGHT...West winds 5 to 10 knots. Bay and inland waters
light chop. Numerous showers and thunderstorms.
.WEDNESDAY...West winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Bay and inland waters a moderate chop.
Widespread showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ856-302015-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
335 AM EDT Sat Aug 30 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ876-302015-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
335 AM EDT Sat Aug 30 2025

.TODAY...Southwest winds around 5 knots, becoming west late. Seas
1 foot or less. Scattered showers and thunderstorms this
afternoon.
.TONIGHT...West winds around 5 knots, becoming southwest after
midnight. Seas 1 foot or less. Scattered showers and
thunderstorms.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 3 seconds. Numerous showers and
thunderstorms.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Northwest 1 foot at 3 seconds and southwest
1 foot at 6 seconds. Numerous showers and thunderstorms.
.MONDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds and southwest 1 foot
at 6 seconds. Numerous showers and thunderstorms.
.MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming north
after midnight. Seas 1 foot or less. Wave Detail: Northwest
1 foot at 3 seconds and southwest 1 foot at 6 seconds. Numerous
showers and thunderstorms.
.TUESDAY...North winds 5 to 10 knots, becoming west in the
afternoon. Seas 1 foot or less. Numerous showers and
thunderstorms.
.TUESDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
Numerous showers and thunderstorms.
.WEDNESDAY...West winds around 10 knots. Seas around 2 feet.
Widespread showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ853-302015-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
335 AM EDT Sat Aug 30 2025

.TODAY...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 early this
afternoon. Scattered showers and thunderstorms late.
.TONIGHT...Northwest winds 5 to 10 knots, becoming southwest
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.
.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 and thunderstorms.
.SUNDAY NIGHT...Northwest winds around 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.
Numerous showers and thunderstorms.
.MONDAY...Northeast winds 5 to 10 knots, becoming north in the
afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds. Bay and inland waters light chop. Numerous showers and
thunderstorms.
.MONDAY NIGHT...North winds 10 to 15 knots, becoming northeast
after midnight. Seas around 2 feet. Wave Detail: North 1 foot at
3 seconds and southwest 1 foot at 6 seconds. Bay and inland
waters a moderate chop. Numerous showers and thunderstorms.
.TUESDAY...East winds around 10 knots, becoming north in the
afternoon. Seas around 2 feet. Bay and inland waters light chop.
Numerous showers and thunderstorms.
.TUESDAY NIGHT...North winds around 10 knots, becoming southeast
after midnight. Seas around 2 feet. Bay and inland waters light
chop. Numerous showers and thunderstorms.
.WEDNESDAY...West winds 10 to 15 knots. Seas around 2 feet. Bay
and inland waters a moderate chop. Numerous showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ873-302015-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
335 AM EDT Sat Aug 30 2025

.TODAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 2 seconds. Scattered showers and
thunderstorms this afternoon.
.TONIGHT...Northwest winds around 5 knots, becoming southwest
after midnight. 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: Southwest 1 foot at 3 seconds. Widespread showers and
thunderstorms.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming north
after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds. Numerous showers and thunderstorms.
.MONDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: North 1 foot at 3 seconds. Numerous showers and
thunderstorms.
.MONDAY NIGHT...North winds 10 to 15 knots, becoming northeast
after midnight. Seas around 2 feet. Wave Detail: North 2 feet at
3 seconds and southwest 1 foot at 6 seconds. Numerous showers and
thunderstorms.
.TUESDAY...East winds around 10 knots, becoming north in the
afternoon. Seas around 2 feet. Widespread showers and
thunderstorms.
.TUESDAY NIGHT...North winds around 10 knots, becoming south
after midnight. Seas around 2 feet. Numerous showers and
thunderstorms.
.WEDNESDAY...West winds around 10 knots. Seas around 2 feet.
Numerous showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ850-302015-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
335 AM EDT Sat Aug 30 2025

.TODAY...West winds 5 to 10 knots, becoming northwest late. Seas
1 foot or less. Bay and inland waters light chop. Scattered
showers and thunderstorms.
.TONIGHT...Northwest winds 5 to 10 knots, becoming south 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...Southwest winds around 5 knots, becoming northwest in
the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at
2 seconds. Bay and inland waters light chop. Numerous showers and
thunderstorms.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: North 1 foot at 2 seconds. Bay and inland
waters light chop. Numerous showers and thunderstorms.
.MONDAY...Northeast winds around 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 in the morning,
then numerous showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 2 feet. Wave Detail: North 2 feet at
3 seconds. Bay and inland waters a moderate chop. Numerous
showers and thunderstorms, mainly in the evening.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Bay
and inland waters a moderate chop. Numerous showers and
thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 1 foot or less.
Bay and inland waters a moderate chop. Numerous showers and
thunderstorms.
.WEDNESDAY...Southeast winds around 10 knots, becoming southwest
in the afternoon. Seas 1 foot or less. Bay and inland waters
light chop. Numerous showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ870-302015-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
335 AM EDT Sat Aug 30 2025

.TODAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 2 seconds. Scattered showers and
thunderstorms.
.TONIGHT...West 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 thunderstorms.
.SUNDAY...West winds 5 to 10 knots, becoming north in the
afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at
2 seconds. Widespread showers and thunderstorms.
.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 and
thunderstorms.
.MONDAY...Northeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: North 2 feet at 3 seconds. Numerous showers and
thunderstorms.
.MONDAY NIGHT...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. Numerous showers and thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Numerous
showers and thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet.
Numerous showers and thunderstorms.
.WEDNESDAY...Southeast winds around 10 knots, becoming west in
the afternoon. Seas around 2 feet. Numerous showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$