390
FZUS52 KTBW 200052
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
852 PM EDT Sat Jul 19 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.

GMZ800-201315-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
852 PM EDT Sat Jul 19 2025

.SYNOPSIS...
High pressure moves westward across Florida and into the eastern
gulf waters through the weekend. This will produce light winds 10
knots or less, seas 2 feet or less and lower rain and storm chances
(20-30 percent) over the weekend. An upper low and troughing moves
across Florida and into the eastern gulf next week with higher rain
and storm chances expected.

&&

$$

GMZ830-201315-
Tampa Bay waters-
852 PM EDT Sat Jul 19 2025

.OVERNIGHT...North winds 5 to 10 knots, becoming east late. Bay
and inland waters light chop.
.SUNDAY...Southeast winds around 5 knots, becoming northwest in
the afternoon. Bay and inland waters light chop. A slight chance
of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming north
after midnight. Bay and inland waters light chop. A slight chance
of showers and thunderstorms in the evening.
.MONDAY...North winds around 5 knots, becoming northwest in the
afternoon. Bay and inland waters light chop. A slight chance of
thunderstorms. A slight chance of showers in the morning, then a
chance of showers in the afternoon.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Bay and inland
waters light chop. A chance of showers with a slight chance of
thunderstorms.
.TUESDAY...West winds 5 to 10 knots. Bay and inland waters light
chop. A slight chance of thunderstorms. A chance of showers in
the morning, then showers likely in the afternoon.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Bay and inland
waters light chop. A slight chance of thunderstorms. Showers
likely, mainly in the evening.
.WEDNESDAY...Southwest winds 5 to 10 knots. Bay and inland waters
light chop. A slight chance of thunderstorms. Showers.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay and inland
waters light chop. A slight chance of thunderstorms. Showers.
.THURSDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Bay and inland waters light chop. A slight chance of
thunderstorms. Showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ836-201315-
Charlotte Harbor and Pine Island Sound-
852 PM EDT Sat Jul 19 2025

.OVERNIGHT...Northwest winds 5 to 10 knots, becoming northeast,
then becoming east late. Bay and inland waters light chop.
.SUNDAY...Southeast winds around 5 knots, becoming southwest in
the afternoon. Bay and inland waters light chop. A slight chance
of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop. A slight chance
of showers and thunderstorms in the evening.
.MONDAY...South winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop. A chance of showers
with a slight chance of thunderstorms.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Bay and inland
waters light chop. A chance of showers with a slight chance of
thunderstorms.
.TUESDAY...West winds 5 to 10 knots. Bay and inland waters light
chop. A slight chance of thunderstorms. A chance of showers in
the morning, then showers likely in the afternoon.
.TUESDAY NIGHT...West winds 5 to 10 knots. Bay and inland waters
light chop. A slight chance of thunderstorms. Showers likely,
mainly in the evening.
.WEDNESDAY...West winds 5 to 10 knots. Bay and inland waters
light chop. A slight chance of thunderstorms. A chance of showers
in the morning, then showers in the afternoon.
.WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming southeast
after midnight. Bay and inland waters light chop. A slight chance
of thunderstorms. Showers.
.THURSDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Bay and inland waters light chop. A slight chance of
thunderstorms. Showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ856-201315-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
852 PM EDT Sat Jul 19 2025

.OVERNIGHT...Northwest winds 5 to 10 knots, becoming east late.
Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds
and south 1 foot at 4 seconds. Bay and inland waters light chop.
.SUNDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot
at 3 seconds. Bay and inland waters light chop.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming north
after midnight. Seas 1 foot or less. Wave Detail: Northwest
1 foot at 2 seconds and south 1 foot at 4 seconds. Bay and inland
waters light chop. A slight chance of showers and thunderstorms.
.MONDAY...Southwest winds around 5 knots, becoming west in the
afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at
3 seconds. Bay and inland waters light chop. A chance of showers
with a slight chance of thunderstorms.
.MONDAY 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. A chance of showers with a slight chance of
thunderstorms.
.TUESDAY...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. A chance of showers with a slight chance of
thunderstorms.
.TUESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. A chance of showers with a
slight chance of thunderstorms.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay
and inland waters light chop. A slight chance of thunderstorms.
Showers.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
southeast after midnight. Seas 1 foot or less. Bay and inland
waters light chop. A slight chance of thunderstorms. Showers.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. A slight chance of
thunderstorms. Showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ876-201315-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
852 PM EDT Sat Jul 19 2025

.OVERNIGHT...North winds around 5 knots, becoming northeast. Seas
around 2 feet early this evening, then 1 foot or less. Wave
Detail: Southeast 1 foot at 5 seconds, becoming east 1 foot at
4 seconds.
.SUNDAY...East winds around 5 knots, becoming north around
5 knots in the afternoon. Seas 1 foot or less. Wave Detail:
Southeast 1 foot at 4 seconds.
.SUNDAY NIGHT...North winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.MONDAY...North winds around 5 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 3 seconds. A chance of showers with a
slight chance of thunderstorms.
.MONDAY NIGHT...North winds around 5 knots. Seas 1 foot or less.
Wave Detail: North 1 foot at 3 seconds. A chance of showers with
a slight chance of thunderstorms.
.TUESDAY...Northwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: North 1 foot at 3 seconds. A chance of showers with
a slight chance of thunderstorms.
.TUESDAY NIGHT...Northwest winds around 5 knots. Seas 1 foot or
less. A chance of showers with a slight chance of thunderstorms.
.WEDNESDAY...West winds around 5 knots. Seas 1 foot or less.
Showers likely with a slight chance of thunderstorms.
.WEDNESDAY NIGHT...Northwest winds around 5 knots, becoming
southeast after midnight. Seas 1 foot or less. Showers likely
with a slight chance of thunderstorms.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Showers with a slight chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ853-201315-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
852 PM EDT Sat Jul 19 2025

.OVERNIGHT...North winds around 10 knots, becoming east late.
Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds
and south 1 foot at 5 seconds. Bay and inland waters light chop.
.SUNDAY...East winds 5 to 10 knots, becoming northwest in the
afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
4 seconds. Bay and inland waters light chop. A slight chance of
showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds and south 1 foot at
4 seconds. Bay and inland waters light chop. A slight chance of
showers and thunderstorms after midnight.
.MONDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 3 seconds and southeast 1 foot at
4 seconds. Bay and inland waters light chop. A chance of showers
with a slight chance of thunderstorms.
.MONDAY 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. A chance of showers with a slight chance of
thunderstorms.
.TUESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 4 seconds. Bay and inland waters
light chop. A chance of showers with a slight chance of
thunderstorms.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Bay and inland waters light chop. A chance of showers with
a slight chance of thunderstorms.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Bay
and inland waters light chop. A slight chance of thunderstorms.
Showers.
.WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming southeast
after midnight. Seas 1 foot or less. Bay and inland waters light
chop. A slight chance of thunderstorms. Showers.
.THURSDAY...Southeast winds around 10 knots, becoming south in
the afternoon. Seas 1 foot or less. Bay and inland waters light
chop. A slight chance of thunderstorms. Showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ873-201315-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
852 PM EDT Sat Jul 19 2025

.OVERNIGHT...North winds around 5 knots, becoming northeast late.
Seas 1 foot or less. Wave Detail: Southeast 1 foot at 5 seconds.
.SUNDAY...Northeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 4 seconds. A slight chance of
showers and thunderstorms.
.SUNDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: North 1 foot at 2 seconds and east 1 foot at
4 seconds. A slight chance of showers and thunderstorms after
midnight.
.MONDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: North 1 foot at 3 seconds and southeast 1 foot at
4 seconds. A chance of showers with a slight chance of
thunderstorms.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Northwest 1 foot at 3 seconds. A slight chance
of thunderstorms. A slight chance of showers in the evening, then
a chance of showers after midnight.
.TUESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 4 seconds. A chance of showers
with a slight chance of thunderstorms.
.TUESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.
.WEDNESDAY...West winds around 5 knots. Seas 1 foot or less.
Showers likely with a slight chance of thunderstorms.
.WEDNESDAY NIGHT...North winds around 5 knots, becoming southeast
after midnight. Seas 1 foot or less. Showers likely with a slight
chance of thunderstorms.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Showers with a slight chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ850-201315-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
852 PM EDT Sat Jul 19 2025

.OVERNIGHT...Northwest winds 5 to 10 knots, becoming north late.
Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds
and south 1 foot at 4 seconds. Bay and inland waters light chop.
.SUNDAY...North winds around 5 knots, becoming northwest in the
afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at
3 seconds and southeast 1 foot at 4 seconds. Bay and inland
waters light chop. A slight chance of 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 2 seconds and south 1 foot
at 4 seconds. Bay and inland waters light chop.
.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. A chance of showers with a slight chance of
thunderstorms.
.MONDAY 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. A chance of showers with a slight chance of
thunderstorms.
.TUESDAY...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. Showers with a slight chance of thunderstorms.
.TUESDAY NIGHT...West winds 5 to 10 knots, becoming north after
midnight. Seas 1 foot or less. Bay and inland waters light chop.
Showers likely with a slight chance of thunderstorms.
.WEDNESDAY...Northeast winds around 5 knots. Seas 1 foot or less.
Bay and inland waters smooth. A slight chance of thunderstorms.
Showers.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. A slight chance of
thunderstorms. Showers.
.THURSDAY...East winds 5 to 10 knots. Seas 1 foot or less. Bay
and inland waters light chop. A slight chance of thunderstorms.
Showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ870-201315-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
852 PM EDT Sat Jul 19 2025

.OVERNIGHT...Northwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds and south 1 foot at
6 seconds.
.SUNDAY...North winds around 5 knots. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 3 seconds and south 1 foot at
6 seconds. A slight chance of showers and thunderstorms in the
morning.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: Northwest
1 foot at 3 seconds and south 1 foot at 5 seconds. A slight
chance of showers and thunderstorms after midnight.
.MONDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 1 foot at 3 seconds and south 1 foot at
4 seconds. A chance of showers with a slight chance of
thunderstorms.
.MONDAY NIGHT...West winds around 10 knots. Seas around 2 feet.
Wave Detail: Northwest 1 foot at 4 seconds. A slight chance of
thunderstorms. A slight chance of showers in the evening, then
showers likely after midnight.
.TUESDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Northwest 1 foot at
4 seconds, becoming west 1 foot at 4 seconds and southwest 1 foot
at 8 seconds. A slight chance of thunderstorms. Showers likely,
mainly in the morning.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Showers likely with a slight chance of thunderstorms.
.WEDNESDAY...North winds around 5 knots. Seas 1 foot or less. A
slight chance of thunderstorms. Showers.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Showers with a slight chance of thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Seas 1 foot or less.
Showers with a slight chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$