Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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868
FZUS52 KTBW 170702
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
302 AM EDT Thu Jul 17 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.

GMZ800-171930-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
302 AM EDT Thu Jul 17 2025

.SYNOPSIS...
Southeast to south winds will continue over the waters through the
next few days, approaching cautionary levels this afternoon and
tonight, but otherwise staying below headlines. Daily showers and
storms are expected, with locally higher winds and seas.

&&

$$

GMZ830-171930-
Tampa Bay waters-
302 AM EDT Thu Jul 17 2025

.TODAY...Southeast winds 10 to 15 knots, becoming south late. Bay
and inland waters a moderate chop. Scattered showers this
morning. Scattered thunderstorms. Numerous showers this
afternoon.
.TONIGHT...Southeast winds 5 to 10 knots. Bay and inland waters
light chop. Numerous showers and scattered thunderstorms in the
evening.
.FRIDAY...Southeast winds around 10 knots, becoming south in the
afternoon. Bay and inland waters light chop. Isolated showers and
thunderstorms in the morning, then scattered showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds around 5 knots, becoming east after
midnight. Bay and inland waters light chop. Scattered showers and
thunderstorms, mainly in the evening.
.SATURDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Bay and inland waters light chop. Isolated showers
and thunderstorms in the afternoon.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Bay and inland waters light chop.
Isolated showers and thunderstorms in the evening.
.SUNDAY...Southeast 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.
.SUNDAY 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.
.MONDAY...Northeast winds around 5 knots, becoming northwest 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.

$$

GMZ836-171930-
Charlotte Harbor and Pine Island Sound-
302 AM EDT Thu Jul 17 2025

.TODAY...Southeast winds around 10 knots, becoming south this
afternoon. Bay and inland waters light chop. Scattered showers
this morning. Scattered thunderstorms. Numerous showers this
afternoon.
.TONIGHT...East winds 5 to 10 knots. Bay and inland waters light
chop. Numerous showers and scattered thunderstorms in the
evening.
.FRIDAY...Southeast winds around 10 knots, becoming south in the
afternoon. Bay and inland waters light chop. Isolated showers and
thunderstorms in the morning, then scattered showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop. Scattered showers and
thunderstorms, mainly in the evening.
.SATURDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Bay and inland waters light chop. Isolated showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop. Isolated
showers and thunderstorms in the evening.
.SUNDAY...Southeast winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop. Scattered showers
and thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop. Scattered
showers and thunderstorms, mainly in the evening.
.MONDAY...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.

Winds and waves higher in and near thunderstorms.

$$

GMZ856-171930-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
302 AM EDT Thu Jul 17 2025

.TODAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a
moderate chop. Scattered thunderstorms. Scattered showers this
morning, then numerous showers this afternoon.
.TONIGHT...Southeast winds 5 to 10 knots, becoming east 10 to
15 knots with gusts up to 20 knots after midnight. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: South
1 foot at 4 seconds, becoming southeast 1 foot at 4 seconds. Bay
and inland waters a moderate chop. Numerous showers and scattered
thunderstorms in the evening, then isolated showers and
thunderstorms after midnight.
.FRIDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming south 5 to 10 knots in the afternoon. Seas
around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay
and inland waters a moderate chop. Isolated showers and
thunderstorms in the morning, then scattered showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 4 seconds. Bay and inland waters
light chop. Scattered showers and thunderstorms, mainly in the
evening.
.SATURDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: Southeast 1 foot at 4 seconds, becoming south
1 foot at 4 seconds. Bay and inland waters light chop. Isolated
showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Northwest winds around 5 knots, becoming
northeast 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 smooth. Isolated showers and thunderstorms in
the evening.
.SUNDAY...Southeast winds around 5 knots, becoming west 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.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast
after midnight. Seas 1 foot or less. Bay and inland waters light
chop. Scattered showers and thunderstorms.
.MONDAY...Southeast winds around 5 knots, becoming west 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.

$$

GMZ876-171930-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
302 AM EDT Thu Jul 17 2025

.TODAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at
4 seconds. Scattered thunderstorms. Numerous showers, mainly this
morning.
.TONIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds. Scattered showers and
thunderstorms.
.FRIDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
4 seconds. Scattered showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Scattered
showers and thunderstorms.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 5 seconds. Isolated showers and
thunderstorms.
.SATURDAY NIGHT...Northwest winds around 5 knots, becoming
northeast after midnight. Seas around 2 feet in the evening, then
1 foot or less. Wave Detail: Southeast 2 feet at 5 seconds,
becoming southeast 1 foot at 5 seconds.
.SUNDAY...Southeast winds around 5 knots, becoming north around
5 knots in the afternoon. Seas 1 foot or less. Isolated showers
and thunderstorms.
.SUNDAY NIGHT...North winds around 5 knots. Seas 1 foot or less.
Isolated showers and thunderstorms in the evening, then scattered
showers and thunderstorms after midnight.
.MONDAY...Northeast winds around 5 knots, becoming north in the
afternoon. Seas 1 foot or less. Scattered showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ853-171930-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
302 AM EDT Thu Jul 17 2025

.TODAY...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming south late. Seas 2 to 3 feet. Wave Detail:
South 3 feet at 4 seconds. Bay and inland waters a moderate chop.
Scattered showers and thunderstorms.
.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: South 2 feet at
4 seconds, becoming south 1 foot at 4 seconds. Bay and inland
waters light chop. Scattered showers and thunderstorms, mainly in
the evening.
.FRIDAY...Southeast winds around 10 knots, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at
4 seconds. Bay and inland waters light chop. Isolated showers and
thunderstorms in the morning, then scattered showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds around 5 knots, becoming east after
midnight. Seas 1 foot or less, then around 2 feet after midnight.
Wave Detail: Southwest 1 foot at 4 seconds, becoming south 1 foot
at 6 seconds. Bay and inland waters light chop. Scattered showers
and thunderstorms, mainly in the evening.
.SATURDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: South 1 foot at 6 seconds, becoming south
1 foot at 5 seconds. Bay and inland waters light chop. Isolated
showers and thunderstorms in the afternoon.
.SATURDAY 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 south 1 foot at 5 seconds. Bay and inland
waters light chop.
.SUNDAY...East winds around 5 knots, becoming northwest in the
afternoon. Seas 1 foot or less. Bay and inland waters smooth.
Isolated showers and thunderstorms.
.SUNDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Isolated showers and
thunderstorms.
.MONDAY...North winds 5 to 10 knots. Seas 1 foot or less. Bay and
inland waters light chop. Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ873-171930-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
302 AM EDT Thu Jul 17 2025

.TODAY...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming south 5 to 10 knots late. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 4 seconds. Scattered
thunderstorms. Numerous showers, mainly this morning.
.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 4 seconds. Scattered showers and
thunderstorms.
.FRIDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 2 feet. Wave Detail: South 2 feet at
4 seconds. Scattered showers and thunderstorms.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming east after
midnight. Seas around 2 feet. Wave Detail: South 2 feet at
6 seconds. Isolated showers and thunderstorms.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds. Isolated showers and
thunderstorms.
.SATURDAY NIGHT...Northwest winds around 5 knots. Seas around
2 feet in the evening, then 1 foot or less. Wave Detail: South
1 foot at 5 seconds, becoming southeast 1 foot at 5 seconds.
.SUNDAY...Northeast winds around 5 knots. Seas 1 foot or less.
Scattered showers and thunderstorms.
.SUNDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or less.
Isolated showers and thunderstorms.
.MONDAY...North winds 5 to 10 knots. Seas 1 foot or less.
Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ850-171930-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
302 AM EDT Thu Jul 17 2025

.TODAY...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming southwest 5 to 10 knots late. Seas 2 to
3 feet. Wave Detail: South 2 feet at 4 seconds. Bay and inland
waters a moderate chop. Scattered showers and thunderstorms.
.TONIGHT...South winds 5 to 10 knots, becoming southeast after
midnight. Seas 1 to 2 feet in the evening, then 1 foot or less.
Wave Detail: South 2 feet at 5 seconds and southwest 1 foot at
2 seconds, becoming south 1 foot at 5 seconds. Bay and inland
waters light chop. Scattered showers and thunderstorms, mainly in
the evening.
.FRIDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at
4 seconds. Bay and inland waters light chop. Scattered showers
and thunderstorms.
.FRIDAY NIGHT...West winds around 5 knots, becoming northeast
after midnight. Seas 1 foot or less. Wave Detail: Southwest
1 foot at 4 seconds. Bay and inland waters smooth. Scattered
showers and thunderstorms, mainly in the evening.
.SATURDAY...Southeast winds around 5 knots, becoming southwest in
the afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at
4 seconds. Bay and inland waters light chop. Isolated showers and
thunderstorms.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Southwest 1 foot at 3 seconds. Bay and inland
waters light chop. Isolated showers and thunderstorms in the
evening.
.SUNDAY...Northeast winds around 5 knots, becoming northwest in
the afternoon. Seas 1 foot or less. Bay and inland waters smooth.
Isolated showers and thunderstorms.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Isolated showers and
thunderstorms.
.MONDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Bay
and inland waters light chop. Scattered showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ870-171930-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
302 AM EDT Thu Jul 17 2025

.TODAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds.
Scattered thunderstorms. Scattered showers.
.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds. Scattered showers and
thunderstorms, mainly in the evening.
.FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. Numerous showers and scattered
thunderstorms.
.FRIDAY NIGHT...Southwest winds around 5 knots, becoming
southeast after midnight. Seas around 2 feet in the evening, then
1 foot or less. Wave Detail: South 1 foot at 5 seconds. Scattered
showers and thunderstorms, mainly in the evening.
.SATURDAY...Southeast winds around 5 knots, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: South 1 foot at
5 seconds. Scattered showers and thunderstorms.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots. Seas around
2 feet in the evening, then 1 foot or less. Wave Detail: South
1 foot at 5 seconds, becoming west 1 foot at 4 seconds and south
1 foot at 6 seconds.
.SUNDAY...North winds around 5 knots. Seas 1 foot or less.
Scattered showers and thunderstorms.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Isolated showers and
thunderstorms.
.MONDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less. Scattered showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$