617
FZUS52 KTBW 040721
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
321 AM EDT Fri Jul 4 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.

GMZ800-042030-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
321 AM EDT Fri Jul 4 2025

.SYNOPSIS...
A stalled frontal boundary will continue to support shower and
thunderstorm development through the weekend. Southwesterly winds
between 10 to 15 knots remain in place today before decreasing to
5 to 10 knots over the weekend. SLightly drier air begins to move
behind the disturbance, which will help bring rain chances down
some going into early next week. Higher waves and winds are
possible near storms.


&&

$$

GMZ830-042030-
Tampa Bay waters-
321 AM EDT Fri Jul 4 2025

.TODAY...West winds 5 to 10 knots. Bay and inland waters light
chop. Widespread showers and thunderstorms.
.TONIGHT...West winds 5 to 10 knots, becoming southwest after
midnight. Bay and inland waters light chop. Widespread showers
and thunderstorms, mainly in the evening.
.SATURDAY...Southwest winds 5 to 10 knots. Bay and inland waters
light chop. Numerous showers and scattered thunderstorms in the
morning, then widespread showers with isolated thunderstorms in
the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Bay and inland
waters light chop. Isolated thunderstorms. Widespread showers.
.SUNDAY...Southwest winds 10 to 15 knots. Bay and inland waters a
moderate chop. Numerous showers with isolated thunderstorms.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Bay and inland waters a moderate
chop. Isolated thunderstorms. Numerous showers, mainly in the
evening.
.MONDAY...Southwest winds 5 to 10 knots. Bay and inland waters
light chop. Isolated thunderstorms. Scattered showers in the
morning, then numerous showers in the afternoon.
.MONDAY NIGHT...West winds 5 to 10 knots. Bay and inland waters
light chop. Isolated thunderstorms. Numerous showers, mainly in
the evening.
.TUESDAY...West winds 5 to 10 knots. Bay and inland waters light
chop. Isolated thunderstorms. Scattered showers in the morning,
then numerous showers in the afternoon.

Winds and waves higher in and near thunderstorms.

$$

GMZ836-042030-
Charlotte Harbor and Pine Island Sound-
321 AM EDT Fri Jul 4 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ856-042030-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
321 AM EDT Fri Jul 4 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ876-042030-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
321 AM EDT Fri Jul 4 2025

.TODAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 5 seconds. Numerous showers and
thunderstorms, mainly this morning.
.TONIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 5 seconds. Numerous showers and
thunderstorms.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 4 seconds. Widespread showers. Numerous
thunderstorms, mainly in the morning.
.SATURDAY NIGHT...Southwest winds around 10 knots. Seas around
2 feet in the evening, then 1 foot or less. Wave Detail:
Southwest 1 foot at 3 seconds. Isolated thunderstorms. Scattered
showers in the evening, then numerous showers after midnight.
.SUNDAY...Southwest winds around 10 knots. Seas around 2 feet.
Wave Detail: Southwest 1 foot at 3 seconds. Numerous showers with
isolated thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Southwest 1 foot at 4 seconds. Scattered
showers with isolated thunderstorms.
.MONDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Scattered showers with isolated thunderstorms.
.MONDAY NIGHT...Northwest winds around 5 knots. Seas 1 foot or
less. Isolated showers and thunderstorms.
.TUESDAY...North winds around 5 knots. Seas 1 foot or less.
Scattered showers with isolated thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ853-042030-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
321 AM EDT Fri Jul 4 2025

.TODAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 5 seconds. Bay and inland waters light
chop. Numerous thunderstorms. Scattered showers early this
morning, then numerous showers late this morning and afternoon.
.TONIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds. Bay and inland waters
light chop. Numerous showers and thunderstorms.
.SATURDAY...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. Widespread showers. Numerous thunderstorms, mainly in the
morning.
.SATURDAY NIGHT...Southwest winds around 10 knots. Seas 1 foot or
less. Wave Detail: Southwest 1 foot at 4 seconds. Bay and inland
waters light chop. Numerous showers with isolated thunderstorms.
.SUNDAY...Southwest winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 3 seconds. Bay and inland waters
a moderate chop. Numerous showers with isolated thunderstorms.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Southwest 2 feet at 4 seconds. Bay and
inland waters a moderate chop. Isolated thunderstorms. Numerous
showers, mainly in the evening.
.MONDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Bay
and inland waters light chop. Scattered showers with isolated
thunderstorms.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Isolated thunderstorms.
Scattered showers, mainly in the evening.
.TUESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay and
inland waters light chop. Scattered showers with isolated
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ873-042030-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
321 AM EDT Fri Jul 4 2025

.TODAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 5 seconds. Numerous showers and
thunderstorms early this morning, then scattered showers and
thunderstorms late this morning and early afternoon. Numerous
showers and thunderstorms late.
.TONIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds. Numerous showers and
thunderstorms.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 4 seconds. Widespread showers. Numerous
thunderstorms, mainly in the morning.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: West 1 foot at 4 seconds. Numerous showers
with isolated thunderstorms.
.SUNDAY...Southwest winds around 10 knots. Seas 1 foot or less,
then around 2 feet in the afternoon. Wave Detail: Southwest
1 foot at 3 seconds. Widespread showers with isolated
thunderstorms.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas around
2 feet in the evening, then 1 foot or less. Wave Detail:
Southwest 1 foot at 3 seconds, becoming southwest 1 foot at
4 seconds. Isolated thunderstorms. Numerous showers, mainly in
the evening.
.MONDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Scattered showers with isolated thunderstorms.
.MONDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Isolated showers and thunderstorms.
.TUESDAY...Northwest winds around 5 knots. Seas 1 foot or less.
Scattered showers with isolated thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ850-042030-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
321 AM EDT Fri Jul 4 2025

.TODAY...North winds around 5 knots, becoming west late. Seas
1 foot or less. Wave Detail: West 1 foot at 5 seconds. Bay and
inland waters smooth. Scattered showers and thunderstorms.
.TONIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 2 seconds and west 1 foot at
4 seconds. Bay and inland waters light chop. Widespread showers
and thunderstorms, mainly in the evening.
.SATURDAY...Northeast winds 5 to 10 knots, becoming northwest in
the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot
at 2 seconds and west 1 foot at 4 seconds. Bay and inland waters
light chop. Numerous showers and scattered thunderstorms in the
morning, then widespread showers with isolated 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. Bay and inland waters
light chop. Isolated thunderstorms. Widespread showers.
.SUNDAY...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. Widespread showers with isolated thunderstorms.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas 1 foot or
less. Wave Detail: Southwest 1 foot at 3 seconds. Bay and inland
waters light chop. Isolated thunderstorms. Widespread showers,
mainly in the evening.
.MONDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Bay
and inland waters light chop. Numerous showers with isolated
thunderstorms.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Scattered showers with isolated
thunderstorms.
.TUESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay and
inland waters light chop. Scattered showers with isolated
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ870-042030-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
321 AM EDT Fri Jul 4 2025

.TODAY...North winds around 5 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 6 seconds. Numerous showers and
thunderstorms early this morning, then scattered showers and
thunderstorms late this morning and afternoon.
.TONIGHT...North winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 2 seconds and southwest 1 foot at
5 seconds. Numerous showers and thunderstorms.
.SATURDAY...Northeast winds 5 to 10 knots, becoming northwest in
the afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: Northeast 1 foot at 3 seconds and west 1 foot
at 4 seconds, becoming northwest 1 foot at 4 seconds. Widespread
showers. Numerous thunderstorms, mainly in the morning.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 4 seconds. Isolated
thunderstorms. Widespread showers.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds. Widespread showers with
isolated thunderstorms.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas 1 foot or
less. Wave Detail: Southwest 1 foot at 3 seconds. Isolated
thunderstorms. Widespread showers.
.MONDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Numerous showers with isolated thunderstorms.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Isolated thunderstorms. Isolated showers in the evening, then
scattered showers after midnight.
.TUESDAY...West winds 5 to 10 knots. Seas 1 foot or less.
Scattered showers with isolated thunderstorms.

Winds and seas higher in and near thunderstorms.

$$