Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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054
FZUS52 KTBW 180726
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
326 AM EDT Mon May 18 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.

GMZ800-182015-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
326 AM EDT Mon May 18 2026

.SYNOPSIS...
High pressure will hold northeast of the waters through the week,
supporting east and southeast winds, turning onshore near the
coast each afternoon with the sea breeze. Winds will generally
remain below headlines, but thunderstorms could shift offshore
during the late afternoon and evening hours each day, leading to
locally higher winds and seas.

$$

GMZ830-182015-
Tampa Bay waters-
326 AM EDT Mon May 18 2026

.TODAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots
early this afternoon, then becoming northeast late. Bay and
inland waters a moderate chop. A slight chance of showers and
thunderstorms early this afternoon. A chance of showers with a
slight chance of thunderstorms late.
.TONIGHT...East winds 10 to 15 knots. Bay and inland waters a
moderate chop. A chance of showers with a slight chance of
thunderstorms in the evening.
.TUESDAY...East winds 10 to 15 knots, becoming northeast 5 to
10 knots in the afternoon. Bay and inland waters a moderate chop.
A chance of showers with a slight chance of thunderstorms in the
afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters
light chop. A slight chance of thunderstorms. A chance of
showers, mainly in the evening.
.WEDNESDAY...East winds 5 to 10 knots, becoming north in the
afternoon. Bay and inland waters light chop. A chance of showers
with a slight chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop. A chance of
showers with a slight chance of thunderstorms in the evening.
.THURSDAY...East winds 5 to 10 knots, becoming west in the
afternoon. Bay and inland waters light chop. A slight chance of
showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...North 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.
.FRIDAY...East winds 5 to 10 knots, becoming southwest in the
afternoon. Bay and inland waters light chop. A chance of showers
and thunderstorms in the afternoon.

Winds and waves higher in and near thunderstorms.

$$

GMZ836-182015-
Charlotte Harbor and Pine Island Sound-
326 AM EDT Mon May 18 2026

.TODAY...East winds 10 to 15 knots, becoming southeast 5 to
10 knots this afternoon. Bay and inland waters a moderate chop. A
slight chance of showers and thunderstorms early this afternoon.
A chance of showers with a slight chance of thunderstorms late.
.TONIGHT...East winds 5 to 10 knots. Bay and inland waters light
chop. A chance of showers with a slight chance of thunderstorms
in the evening.
.TUESDAY...East winds 5 to 10 knots. Bay and inland waters light
chop. Showers likely with a slight chance of thunderstorms in the
afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Bay and inland waters
light chop. A slight chance of thunderstorms. Showers likely,
mainly in the evening.
.WEDNESDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Bay and inland waters light chop. A chance of showers
with a slight chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop. A chance of showers
with a slight chance of thunderstorms in the evening.
.THURSDAY...East winds around 5 knots, becoming southwest in the
afternoon. Bay and inland waters light chop. A chance of showers
with a slight chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop. A chance of showers
with a slight chance of thunderstorms in the evening.
.FRIDAY...East winds around 5 knots, becoming southwest in the
afternoon. Bay and inland waters light chop. A chance of showers
and thunderstorms in the afternoon.

Winds and waves higher in and near thunderstorms.

$$

GMZ856-182015-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
326 AM EDT Mon May 18 2026

.TODAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots
early this afternoon, then becoming south late. Seas around
2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay and
inland waters a moderate chop. A chance of showers with a slight
chance of thunderstorms this afternoon.
.TONIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds. Bay and inland waters a
moderate chop. A chance of showers with a slight chance of
thunderstorms in the evening.
.TUESDAY...East winds 10 to 15 knots, diminishing to 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. Showers likely with a slight chance of thunderstorms in the
afternoon.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
10 to 15 knots after midnight. Seas 1 foot or less, then around
2 feet after midnight. Wave Detail: East 1 foot at 3 seconds,
becoming southeast 1 foot at 4 seconds. Bay and inland waters a
moderate chop. A slight chance of thunderstorms. Showers likely,
mainly in the evening.
.WEDNESDAY...East winds around 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 east
1 foot at 4 seconds. Bay and inland waters light chop. A chance
of showers with a slight chance of thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
2 seconds and southeast 1 foot at 4 seconds. Bay and inland
waters light chop. A chance of showers with a slight chance of
thunderstorms in the evening.
.THURSDAY...East winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
A slight chance of showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Bay and inland waters light chop.
A slight chance of showers and thunderstorms in the evening.
.FRIDAY...East winds around 5 knots, becoming southwest in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
A slight chance of showers and thunderstorms in the afternoon.

Winds and seas higher in and near thunderstorms.

$$

GMZ876-182015-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
326 AM EDT Mon May 18 2026

.TODAY...East winds 10 to 15 knots with gusts up to 20 knots,
diminishing to around 5 knots late. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 5 seconds. A slight chance of showers and
thunderstorms late.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 4 seconds. A slight chance of showers and
thunderstorms in the evening.
.TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots,
becoming northeast 5 to 10 knots in the afternoon. Seas 2 to
3 feet. Wave Detail: East 2 feet at 5 seconds. A chance of
showers with a slight chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
10 to 15 knots after midnight. Seas around 2 feet. Wave Detail:
East 2 feet at 4 seconds. A slight chance of showers and
thunderstorms in the evening.
.WEDNESDAY...East winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail: East
2 feet at 4 seconds.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
2 feet in the evening, then 1 foot or less. Wave Detail:
Northeast 1 foot at 3 seconds and southeast 1 foot at 4 seconds,
becoming east 1 foot at 3 seconds.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
.THURSDAY NIGHT...North winds around 5 knots, becoming east after
midnight. Seas 1 foot or less.
.FRIDAY...Southeast winds around 5 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ853-182015-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
326 AM EDT Mon May 18 2026

.TODAY...East winds 10 to 15 knots, becoming southeast 5 to
10 knots early this afternoon, then becoming west late. Seas
around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. Bay
and inland waters a moderate chop. A slight chance of showers and
thunderstorms late.
.TONIGHT...Northeast winds 10 to 15 knots, becoming east after
midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at
4 seconds and north 1 foot at 2 seconds. Bay and inland waters a
moderate chop. A slight chance of showers and thunderstorms in
the evening.
.TUESDAY...East winds 10 to 15 knots, becoming north 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 4 seconds and north 1 foot at 2 seconds. Bay
and inland waters a moderate chop. A chance of showers with a
slight chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
10 to 15 knots after midnight. Seas 1 foot or less, then around
2 feet after midnight. Wave Detail: North 1 foot at 2 seconds and
south 1 foot at 5 seconds, becoming north 1 foot at 2 seconds and
southeast 1 foot at 4 seconds. Bay and inland waters a moderate
chop. A chance of showers with a slight chance of thunderstorms
in the evening.
.WEDNESDAY...East winds 5 to 10 knots, becoming west 10 to
15 knots in the afternoon. Seas around 2 feet in the morning,
then 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds,
becoming northwest 1 foot at 2 seconds and east 1 foot at
4 seconds. Bay and inland waters a moderate chop. A slight chance
of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...North winds 10 to 15 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 a
moderate chop. A slight chance of showers and thunderstorms in
the evening.
.THURSDAY...East winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
.THURSDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Bay and inland waters light chop.
.FRIDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas 1 foot or less. Bay and inland waters light
chop. A slight chance of showers and thunderstorms in the
afternoon.

Winds and seas higher in and near thunderstorms.

$$

GMZ873-182015-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
326 AM EDT Mon May 18 2026

.TODAY...East winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots early this afternoon, then becoming
northeast late. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet
at 4 seconds.
.TONIGHT...Northeast winds 10 to 15 knots, becoming east with
gusts up to 20 knots after midnight. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.TUESDAY...East winds 10 to 15 knots with gusts up to 20 knots,
becoming northeast 5 to 10 knots in the afternoon. Seas 2 to
3 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of
showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
10 to 15 knots after midnight. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 5 seconds and northeast 1 foot at 3 seconds.
A slight chance of showers and thunderstorms in the evening.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 4 seconds.
.WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
3 seconds and southeast 1 foot at 4 seconds.
.THURSDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less.
.THURSDAY NIGHT...North winds around 5 knots, becoming east after
midnight. Seas 1 foot or less.
.FRIDAY...Southeast winds around 5 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ850-182015-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
326 AM EDT Mon May 18 2026

.TODAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots
early this afternoon, then becoming northwest late. Seas around
2 feet this morning, then 1 foot or less. Wave Detail: Southeast
1 foot at 3 seconds. Bay and inland waters a moderate chop.
.TONIGHT...Northeast winds 10 to 15 knots, becoming east after
midnight. Seas 1 foot or less, then around 2 feet after midnight.
Wave Detail: North 1 foot at 2 seconds and south 1 foot at
4 seconds, becoming southeast 1 foot at 3 seconds. Bay and inland
waters a moderate chop.
.TUESDAY...East winds 10 to 15 knots, becoming north 5 to
10 knots in the afternoon. Seas 1 to 2 feet in the morning, then
1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds and
south 1 foot at 6 seconds. Bay and inland waters a moderate chop.
A chance of showers with a slight chance of thunderstorms in the
afternoon.
.TUESDAY NIGHT...Northeast 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. A chance of showers with a slight chance of
thunderstorms in the evening.
.WEDNESDAY...East winds 5 to 10 knots, becoming west in the
afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at
2 seconds and southeast 1 foot at 3 seconds. Bay and inland
waters light chop. A slight chance of showers and thunderstorms
in the afternoon.
.WEDNESDAY 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.
.THURSDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas 1 foot or less. Bay and inland waters light
chop.
.THURSDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Bay and inland waters light
chop.
.FRIDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas 1 foot or less. Bay and inland waters light
chop.

Winds and seas higher in and near thunderstorms.

$$

GMZ870-182015-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
326 AM EDT Mon May 18 2026

.TODAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots
early this afternoon, then becoming north late. Seas around
2 feet. Wave Detail: Southeast 2 feet at 4 seconds.
.TONIGHT...North winds 10 to 15 knots, becoming east with gusts
up to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 5 seconds.
.TUESDAY...East winds 10 to 15 knots, becoming northeast 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 5 seconds.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Seas around 2 feet. Wave Detail: Northeast 1 foot
at 3 seconds and south 1 foot at 6 seconds.
.WEDNESDAY...East winds 5 to 10 knots, becoming northeast in the
afternoon. Seas around 2 feet. Wave Detail: South 1 foot at
5 seconds.
.WEDNESDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
3 seconds and south 1 foot at 6 seconds.
.THURSDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less.
.THURSDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less.
.FRIDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less.

$$