Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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736
FZUS52 KTBW 211750
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
150 PM EDT Sun Sep 21 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.

GMZ800-220630-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
150 PM EDT Sun Sep 21 2025

.SYNOPSIS...
Northeast to east winds 15 knots or less will continue over the
waters through midweek with winds turning onshore near the coast
as the sea breeze tries to develop each afternoon and evening.
Moisture will increase for the work week, leading to scattered
showers and thunderstorms for much of the week.

&&

$$

GMZ830-220630-
Tampa Bay waters-
150 PM EDT Sun Sep 21 2025

.TONIGHT...Northeast winds 10 to 15 knots. Bay and inland waters
a moderate chop.
.MONDAY...Northeast winds 5 to 10 knots, becoming north in the
afternoon. Bay and inland waters light chop. Isolated showers and
thunderstorms in the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop. Isolated
thunderstorms. Scattered showers, mainly in the evening.
.TUESDAY...East winds 5 to 10 knots, becoming southwest in the
afternoon. Bay and inland waters light chop. Isolated
thunderstorms. Isolated showers in the morning, then scattered
showers in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop. Scattered showers
with isolated thunderstorms in the evening.
.WEDNESDAY...East winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop. Isolated showers and
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots. Bay and inland
waters light chop. Isolated showers and thunderstorms in the
evening.
.THURSDAY...North winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop. Isolated showers and
thunderstorms in the afternoon.
.THURSDAY NIGHT...West winds 5 to 10 knots. Bay and inland waters
light chop. Isolated showers and thunderstorms.
.FRIDAY...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Bay and inland waters a moderate chop.
Isolated thunderstorms. Isolated showers in the morning, then
scattered showers in the afternoon.

Winds and waves higher in and near thunderstorms.

$$

GMZ836-220630-
Charlotte Harbor and Pine Island Sound-
150 PM EDT Sun Sep 21 2025

.TONIGHT...Northeast winds 5 to 10 knots. Bay and inland waters
light chop. Isolated showers and thunderstorms this evening.
.MONDAY...Northeast winds 5 to 10 knots. Bay and inland waters
light chop. Scattered showers with isolated thunderstorms in the
afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters
light chop. Isolated thunderstorms. Numerous showers, mainly in
the evening.
.TUESDAY...East winds around 5 knots, becoming southwest in the
afternoon. Bay and inland waters smooth. Isolated thunderstorms.
Scattered showers in the morning, then numerous showers in the
afternoon.
.TUESDAY NIGHT...North winds around 5 knots, becoming east after
midnight. Bay and inland waters smooth. Isolated thunderstorms.
Numerous showers, mainly in the evening.
.WEDNESDAY...East winds around 5 knots, becoming southwest in the
afternoon. Bay and inland waters light chop. Scattered showers
with isolated thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Bay and inland waters light chop.
Isolated thunderstorms. Scattered showers, mainly in the evening.
.THURSDAY...North winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop. Scattered showers
with isolated thunderstorms in the afternoon.
.THURSDAY NIGHT...Northwest winds 5 to 10 knots. Bay and inland
waters light chop. Isolated thunderstorms. Scattered showers,
mainly in the evening.
.FRIDAY...West winds 5 to 10 knots. Bay and inland waters light
chop. Isolated thunderstorms. Isolated showers in the morning,
then scattered showers in the afternoon.

Winds and waves higher in and near thunderstorms.

$$

GMZ856-220630-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
150 PM EDT Sun Sep 21 2025

.TONIGHT...Northeast winds around 10 knots, becoming east late
this evening and overnight. Seas around 2 feet. Wave Detail:
North 1 foot at 4 seconds. Bay and inland waters a moderate chop.
Isolated showers and thunderstorms.
.MONDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: North 1 foot at 4 seconds. Bay and inland waters
light chop. Isolated thunderstorms. Isolated showers in the
morning, then scattered showers in the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
4 seconds. Bay and inland waters light chop. Scattered showers
with isolated thunderstorms.
.TUESDAY...Southeast winds around 5 knots, becoming south in the
afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at
3 seconds. Bay and inland waters smooth. Scattered showers with
isolated thunderstorms.
.TUESDAY NIGHT...North winds around 5 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: East 1 foot at
2 seconds and south 1 foot at 4 seconds. Bay and inland waters
smooth. Isolated thunderstorms. Scattered showers, mainly in the
evening.
.WEDNESDAY...East winds around 5 knots, becoming west around
5 knots in the afternoon. Seas 1 foot or less. Wave Detail: East
1 foot at 3 seconds. Bay and inland waters smooth. Isolated
showers and thunderstorms.
.WEDNESDAY 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.
.THURSDAY...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 afternoon.
.THURSDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Bay and inland waters light chop. Isolated showers and
thunderstorms.
.FRIDAY...West 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.

$$

GMZ876-220630-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
150 PM EDT Sun Sep 21 2025

.TONIGHT...Northeast winds 10 to 15 knots, becoming east after
midnight. Seas around 2 feet. Wave Detail: North 2 feet at
4 seconds. Isolated thunderstorms.
.MONDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 4 seconds. Scattered showers with
isolated thunderstorms.
.MONDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
4 seconds. Numerous showers with isolated thunderstorms.
.TUESDAY...Southeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds. Scattered showers
with isolated thunderstorms.
.TUESDAY NIGHT...East winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 5 seconds. Scattered showers with
isolated thunderstorms.
.WEDNESDAY...Northeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds. Isolated showers and
thunderstorms.
.WEDNESDAY NIGHT...North winds around 5 knots. Seas 1 foot or
less. Isolated showers and thunderstorms.
.THURSDAY...North winds around 5 knots. Seas 1 foot or less.
Isolated showers and thunderstorms.
.THURSDAY NIGHT...Northwest winds around 5 knots. Seas 1 foot or
less. Isolated showers and thunderstorms.
.FRIDAY...West winds around 5 knots. Seas 1 foot or less.
Scattered showers with isolated thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ853-220630-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
150 PM EDT Sun Sep 21 2025

.TONIGHT...North winds 10 to 15 knots, becoming east late this
evening and overnight. Seas around 2 feet. Wave Detail: North
2 feet at 4 seconds. Bay and inland waters a moderate chop.
.MONDAY...Northeast winds around 10 knots, becoming north in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: Northeast 2 feet at 4 seconds, becoming
northeast 1 foot at 4 seconds. Bay and inland waters light chop.
Isolated showers and thunderstorms in the afternoon.
.MONDAY NIGHT...North winds around 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds. Bay and inland waters light chop. Scattered showers
with isolated thunderstorms.
.TUESDAY...East winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at
2 seconds and north 1 foot at 3 seconds. Bay and inland waters
light chop. Scattered showers with isolated thunderstorms.
.TUESDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
2 seconds and south 1 foot at 4 seconds. Bay and inland waters
light chop. Scattered showers with isolated thunderstorms in the
evening.
.WEDNESDAY...East winds around 5 knots, becoming west in the
afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at
2 seconds and east 1 foot at 2 seconds. Bay and inland waters
light chop. Isolated showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less. Bay and inland waters light chop. Isolated showers and
thunderstorms in the evening.
.THURSDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Isolated showers and
thunderstorms in the afternoon.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Isolated showers and
thunderstorms.
.FRIDAY...Southwest 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.

$$

GMZ873-220630-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
150 PM EDT Sun Sep 21 2025

.TONIGHT...North winds 10 to 15 knots, becoming east after
midnight. Seas around 2 feet. Wave Detail: North 2 feet at
3 seconds.
.MONDAY...East winds 10 to 15 knots, becoming northeast 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail: East
2 feet at 4 seconds. Isolated showers and thunderstorms.
.MONDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: Northeast
1 foot at 3 seconds. Scattered showers with isolated
thunderstorms.
.TUESDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 3 seconds. Scattered showers with
isolated thunderstorms.
.TUESDAY NIGHT...Northeast winds around 5 knots. Seas 1 foot or
less. Wave Detail: Northeast 1 foot at 3 seconds and south 1 foot
at 5 seconds. Isolated thunderstorms. Scattered showers, mainly
in the evening.
.WEDNESDAY...Northeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 2 seconds and south 1 foot at
5 seconds. Isolated showers and thunderstorms.
.WEDNESDAY NIGHT...Northwest winds around 5 knots. Seas 1 foot or
less. Isolated showers and thunderstorms in the evening.
.THURSDAY...Northwest winds around 5 knots. Seas 1 foot or less.
Isolated showers and thunderstorms.
.THURSDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Isolated thunderstorms. Isolated showers in the evening, then
scattered showers after midnight.
.FRIDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Scattered showers with isolated thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ850-220630-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
150 PM EDT Sun Sep 21 2025

.TONIGHT...North winds 5 to 10 knots, becoming east 10 to
15 knots late this evening and overnight. Seas 1 foot or less.
Wave Detail: North 1 foot at 3 seconds. Bay and inland waters a
moderate chop.
.MONDAY...Northeast winds 5 to 10 knots, becoming north in the
afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
2 seconds. Bay and inland waters light chop.
.MONDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
2 seconds. Bay and inland waters light chop. Isolated showers and
thunderstorms.
.TUESDAY...East winds 5 to 10 knots, becoming west in the
afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at
2 seconds. Bay and inland waters light chop. Isolated
thunderstorms. Isolated showers in the morning, then scattered
showers in the afternoon.
.TUESDAY NIGHT...Northwest winds around 5 knots, becoming east
after midnight. Seas 1 foot or less. Bay and inland waters
smooth. Scattered showers with isolated thunderstorms in the
evening.
.WEDNESDAY...East winds around 5 knots, becoming west in the
afternoon. Seas 1 foot or less. Bay and inland waters smooth.
.WEDNESDAY NIGHT...West winds around 5 knots. Seas 1 foot or
less. Bay and inland waters smooth.
.THURSDAY...West winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Seas 1 foot or less. Bay and inland
waters light chop. Isolated showers and thunderstorms in the
afternoon.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Isolated thunderstorms.
Isolated showers in the evening, then scattered showers after
midnight.
.FRIDAY...Southwest 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.

$$

GMZ870-220630-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
150 PM EDT Sun Sep 21 2025

.TONIGHT...North winds 5 to 10 knots, becoming northeast 10 to
15 knots late this evening and early morning, then becoming east
late. Seas around 2 feet. Wave Detail: North 2 feet at 3 seconds.
.MONDAY...East winds 10 to 15 knots, becoming northeast 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail: East
2 feet at 3 seconds.
.MONDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
3 seconds. Isolated showers and thunderstorms.
.TUESDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 3 seconds. Isolated showers and
thunderstorms.
.TUESDAY NIGHT...Northwest winds around 5 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: Northeast
1 foot at 3 seconds. Isolated showers and thunderstorms in the
evening.
.WEDNESDAY...East winds around 5 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 2 seconds and south 1 foot at
5 seconds.
.WEDNESDAY NIGHT...West winds around 5 knots. Seas 1 foot or
less.
.THURSDAY...West winds around 5 knots. Seas 1 foot or less.
Isolated showers and thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Isolated thunderstorms. Isolated showers in the evening,
then scattered showers after midnight.
.FRIDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Scattered showers with isolated thunderstorms.

Winds and seas higher in and near thunderstorms.

$$