844
FZUS52 KTBW 191941
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
341 PM EDT Sat Sep 19 2026

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.

GMZ800-200815-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
341 PM EDT Sat Sep 19 2026

.SYNOPSIS...

Surface high pressure will hold over the waters through the weekend
and into early next week producing northeast through southeast winds
around 10 knots or less and seas 2 feet or less. The main hazard
will be scattered to numerous showers and thunderstorms each day,
which may produce locally gusty winds and rough seas.

$$

GMZ830-200815-
Tampa Bay waters-
341 PM EDT Sat Sep 19 2026

.TONIGHT...Northeast winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop. Numerous showers with
isolated thunderstorms early this evening, then isolated showers
and thunderstorms late this evening.
.SUNDAY...East winds 5 to 10 knots, becoming north in the
afternoon. Bay and inland waters light chop. Scattered showers
with isolated thunderstorms in the afternoon.
.SUNDAY 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.
.MONDAY...East winds around 5 knots. Bay and inland waters
smooth. Isolated thunderstorms. Isolated showers in the morning,
then widespread showers in the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop. Isolated
thunderstorms. Widespread showers, mainly in the evening.
.TUESDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Bay and inland waters light chop. Isolated
thunderstorms. Isolated showers in the morning, then widespread
showers in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters
light chop. Scattered thunderstorms. Widespread showers, mainly
in the evening.
.WEDNESDAY...Northeast winds 5 to 10 knots. Bay and inland waters
light chop. Isolated showers and thunderstorms in the morning,
then numerous showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Bay and inland
waters light chop. Numerous showers and thunderstorms, mainly in
the evening.
.THURSDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Bay and inland waters a moderate chop.
Scattered showers and thunderstorms in the afternoon.

Winds and waves higher in and near thunderstorms.

$$

GMZ836-200815-
Charlotte Harbor and Pine Island Sound-
341 PM EDT Sat Sep 19 2026

.TONIGHT...East winds 5 to 10 knots. Bay and inland waters light
chop. Scattered showers with isolated thunderstorms this evening,
then isolated showers and thunderstorms after midnight.
.SUNDAY...East winds around 5 knots, becoming west around 5 knots
in the afternoon. Bay and inland waters smooth. Isolated
thunderstorms. Isolated showers in the morning, then scattered
showers in the afternoon.
.SUNDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop. Scattered showers
with isolated thunderstorms.
.MONDAY...East winds around 5 knots, becoming south in the
afternoon. Bay and inland waters light chop. Isolated
thunderstorms. Scattered showers in the morning, then widespread
showers in the afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland
waters light chop. Isolated thunderstorms. Widespread showers.
.TUESDAY...South winds around 5 knots. Bay and inland waters
smooth. Isolated thunderstorms. Widespread showers.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland
waters light chop. Scattered thunderstorms. Widespread showers,
mainly in the evening.
.WEDNESDAY...East winds around 5 knots, becoming south in the
afternoon. Bay and inland waters smooth. Scattered showers with
isolated thunderstorms in the morning, then showers and numerous
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop. Showers and
numerous thunderstorms in the evening, then scattered showers and
thunderstorms after midnight.
.THURSDAY...Northeast 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.

Winds and waves higher in and near thunderstorms.

$$

GMZ856-200815-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
341 PM EDT Sat Sep 19 2026

.TONIGHT...Northeast winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
2 seconds. Bay and inland waters light chop. Isolated
thunderstorms. Scattered showers until early morning, then
isolated showers late.
.SUNDAY...East winds around 5 knots, becoming south around
5 knots in the afternoon. Seas 1 foot or less. Wave Detail: East
1 foot at 2 seconds. Bay and inland waters smooth. Scattered
showers with isolated thunderstorms.
.SUNDAY NIGHT...North winds 5 to 10 knots, becoming southeast
after midnight. Seas 1 foot or less. Wave Detail: Northeast
1 foot at 2 seconds. Bay and inland waters light chop. Scattered
showers with isolated thunderstorms.
.MONDAY...Southeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 2 seconds. Bay and inland waters
smooth. Numerous showers with isolated thunderstorms.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Southeast 1 foot at 2 seconds. Bay and inland
waters light chop. Widespread showers with isolated
thunderstorms.
.TUESDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. Bay and inland waters light
chop. Isolated thunderstorms. Widespread showers.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Bay and inland waters light chop. Numerous showers and
scattered thunderstorms.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Numerous showers. Scattered
thunderstorms in the morning, then numerous thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Numerous showers and
thunderstorms, mainly in the evening.
.THURSDAY...East winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Bay and inland waters light chop.
Scattered thunderstorms. Scattered showers in the morning, then
numerous showers in the afternoon.

Winds and seas higher in and near thunderstorms.

$$

GMZ876-200815-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
341 PM EDT Sat Sep 19 2026

.TONIGHT...Northeast winds 5 to 10 knots, becoming east late.
Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds.
Scattered showers with isolated thunderstorms.
.SUNDAY...East winds around 5 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 3 seconds. Isolated thunderstorms.
Numerous showers, mainly in the morning.
.SUNDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
2 seconds. Isolated thunderstorms. Scattered showers in the
evening, then numerous showers after midnight.
.MONDAY...Southeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 2 seconds. Widespread showers
with isolated thunderstorms.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: South 1 foot at 3 seconds. Isolated
thunderstorms. Widespread showers.
.TUESDAY...South winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. Isolated thunderstorms.
Widespread showers.
.TUESDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less. Numerous showers and scattered thunderstorms.
.WEDNESDAY...East winds around 5 knots. Seas 1 foot or less.
Numerous showers and scattered thunderstorms.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Numerous showers and scattered thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Seas around 2 feet.
Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ853-200815-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
341 PM EDT Sat Sep 19 2026

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

Winds and seas higher in and near thunderstorms.

$$

GMZ873-200815-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
341 PM EDT Sat Sep 19 2026

.TONIGHT...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.
.SUNDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 3 seconds. Scattered showers with
isolated thunderstorms.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: Northeast
1 foot at 3 seconds. Isolated thunderstorms. Scattered showers in
the evening, then numerous showers after midnight.
.MONDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 3 seconds. Numerous showers with isolated
thunderstorms.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 2 seconds. Numerous showers with
isolated thunderstorms.
.TUESDAY...Southeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 3 seconds. Numerous showers with
isolated thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Numerous showers and scattered thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Numerous showers and scattered thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around
2 feet. Scattered showers and thunderstorms.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ850-200815-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
341 PM EDT Sat Sep 19 2026

.TONIGHT...Northeast winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
2 seconds. Bay and inland waters light chop. Scattered showers
with isolated thunderstorms early this evening, then isolated
showers and thunderstorms late this evening.
.SUNDAY...East winds 5 to 10 knots, becoming north in the
afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at
2 seconds. Bay and inland waters light chop. Scattered showers
with isolated thunderstorms in the afternoon.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: Northeast
1 foot at 2 seconds. Bay and inland waters light chop. Scattered
showers with isolated thunderstorms.
.MONDAY...Northeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 2 seconds. Bay and inland waters
smooth. Isolated thunderstorms. Isolated showers in the morning,
then numerous showers in the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: Northeast
1 foot at 2 seconds. Bay and inland waters light chop. Isolated
thunderstorms. Numerous showers, mainly in the evening.
.TUESDAY...East winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at
2 seconds. Bay and inland waters light chop. Scattered showers
with isolated thunderstorms.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or
less. Bay and inland waters light chop. Scattered showers and
thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. Scattered showers. Isolated
thunderstorms in the morning, then scattered thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 foot or
less, then around 2 feet after midnight. Bay and inland waters a
moderate chop. Scattered showers and thunderstorms, mainly in the
evening.
.THURSDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas around 2 feet. Bay and inland
waters choppy. Scattered showers and thunderstorms in the
afternoon.

Winds and seas higher in and near thunderstorms.

$$

GMZ870-200815-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
341 PM EDT Sat Sep 19 2026

.TONIGHT...Northeast 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.
.SUNDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 3 seconds. Isolated showers and
thunderstorms.
.SUNDAY 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.
.MONDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 2 seconds. Scattered showers with isolated
thunderstorms.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 2 seconds. Numerous showers with
isolated thunderstorms.
.TUESDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 2 seconds. Numerous showers with isolated
thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Scattered thunderstorms. Scattered showers in the evening, then
numerous showers after midnight.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet in the afternoon. Scattered thunderstorms.
Numerous showers, mainly in the morning.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to
3 feet. Scattered showers and thunderstorms.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Scattered showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$