138
FZUS52 KTBW 200700
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
300 AM EDT Sun Apr 20 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.

GMZ800-201915-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
300 AM EDT Sun Apr 20 2025

.SYNOPSIS...
High pressure will hold over the waters with east to southeast
winds expected through the period. Relatively tight gradient
combined with an evening easterly surge will create periods of
cautionary winds each day.

&&

$$

GMZ830-201915-
Tampa Bay waters-
300 AM EDT Sun Apr 20 2025

.TODAY...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming southwest late. Bay and inland waters a
moderate chop.
.TONIGHT...Northwest winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop.
.MONDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Bay and inland waters light chop.
.MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop.
.TUESDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Bay and inland waters light chop.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop.
.WEDNESDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Bay and inland waters light chop.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop.
.THURSDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Bay and inland waters light chop.

$$

GMZ836-201915-
Charlotte Harbor and Pine Island Sound-
300 AM EDT Sun Apr 20 2025

.TODAY...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming south late. Bay and inland waters a moderate
chop.
.TONIGHT...Northwest winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop.
.MONDAY...East winds around 10 knots, becoming south in the
afternoon. Bay and inland waters light chop.
.MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop.
.TUESDAY...East winds 5 to 10 knots, becoming southwest in the
afternoon. Bay and inland waters light chop.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop.
.WEDNESDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Bay and inland waters light chop.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop.
.THURSDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Bay and inland waters light chop.

$$

GMZ856-201915-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
300 AM EDT Sun Apr 20 2025

...Small Craft Exercise Caution...

.TODAY...East winds 15 to 20 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots early this afternoon, then
becoming south late. Seas 2 to 3 feet. Wave Detail: Southeast
3 feet at 5 seconds. Bay and inland waters choppy.
.TONIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots
after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet
at 4 seconds. Bay and inland waters a moderate chop.
.MONDAY...East winds 10 to 15 knots, becoming south 5 to 10 knots
in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet
at 4 seconds. Bay and inland waters a moderate chop.
.MONDAY NIGHT...West winds 5 to 10 knots, becoming east after
midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at
5 seconds. Bay and inland waters light chop.
.TUESDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot at
4 seconds. Bay and inland waters light chop.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at
2 seconds and south 1 foot at 4 seconds. Bay and inland waters
light chop.
.WEDNESDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Bay and inland waters light
chop.
.THURSDAY...East winds around 10 knots, becoming south in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.

$$

GMZ876-201915-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
300 AM EDT Sun Apr 20 2025

...Small Craft Exercise Caution...

.TODAY...Southeast winds 15 to 20 knots, diminishing to 10 to
15 knots late. Seas 3 to 5 feet, occasionally to 6 feet. Wave
Detail: Southeast 4 feet at 5 seconds.
.TONIGHT...Southeast winds 5 to 10 knots, becoming east 10 to
15 knots with gusts up to 20 knots after midnight. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at
6 seconds and east 1 foot at 3 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds and east 1 foot at
2 seconds.
.TUESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds.
.TUESDAY NIGHT...North winds around 5 knots, becoming east after
midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at
6 seconds and east 1 foot at 2 seconds.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...North winds around 5 knots, becoming east
after midnight. Seas around 2 feet.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.

$$

GMZ853-201915-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
300 AM EDT Sun Apr 20 2025

...Small Craft Exercise Caution...

.TODAY...Southeast winds 15 to 20 knots, becoming south 10 to
15 knots with gusts up to 20 knots early this afternoon, then
becoming southwest late. Seas 2 to 3 feet. Wave Detail: Southeast
3 feet at 5 seconds. Bay and inland waters choppy.
.TONIGHT...North winds 5 to 10 knots, becoming east 10 to
15 knots after midnight. Seas around 2 feet. Wave Detail: South
2 feet at 6 seconds and northwest 1 foot at 2 seconds. Bay and
inland waters a moderate chop.
.MONDAY...Southeast winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail: South
2 feet at 6 seconds and southeast 1 foot at 3 seconds. Bay and
inland waters a moderate chop.
.MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Seas around 2 feet. Wave Detail: South 2 feet at
5 seconds and northwest 1 foot at 2 seconds. Bay and inland
waters light chop.
.TUESDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas around 2 feet. Wave Detail: South 2 feet at
6 seconds and west 1 foot at 2 seconds. Bay and inland waters
light chop.
.TUESDAY NIGHT...Northwest 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 5 seconds. Bay and inland waters
light chop.
.WEDNESDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas 1 foot or less. Bay and inland waters light
chop.
.WEDNESDAY NIGHT...Northwest winds around 10 knots, becoming east
after midnight. Seas 1 foot or less, then around 2 feet after
midnight. Bay and inland waters light chop.
.THURSDAY...Southeast winds around 10 knots, becoming southwest
in the afternoon. Seas around 2 feet in the morning, then 1 foot
or less. Bay and inland waters light chop.

$$

GMZ873-201915-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
300 AM EDT Sun Apr 20 2025

...Small Craft Exercise Caution...

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

$$

GMZ850-201915-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
300 AM EDT Sun Apr 20 2025

.TODAY...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming south 5 to 10 knots early this afternoon, then
becoming northwest late. Seas 1 to 2 feet. Wave Detail: Southeast
2 feet at 4 seconds. Bay and inland waters a moderate chop.
.TONIGHT...Northwest winds 5 to 10 knots, becoming southeast
after midnight. Seas 1 foot or less, then 1 to 2 feet after
midnight. Wave Detail: Northwest 1 foot at 2 seconds and
southeast 1 foot at 2 seconds, becoming east 1 foot at 2 seconds
and south 1 foot at 6 seconds. Bay and inland waters light chop.
.MONDAY...Southeast winds 5 to 10 knots, becoming west in the
afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at
3 seconds and south 1 foot at 7 seconds. Bay and inland waters
light chop.
.MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. 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.
.TUESDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot
at 2 seconds and south 1 foot at 5 seconds. Bay and inland waters
light chop.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. 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.
.WEDNESDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas 1 foot or less. Bay and inland waters light
chop.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. 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.

$$

GMZ870-201915-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
300 AM EDT Sun Apr 20 2025

...Small Craft Exercise Caution...

.TODAY...Southeast winds 15 to 20 knots, diminishing to 5 to
10 knots early this afternoon, then becoming northwest late. Seas
2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.
.TONIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at
6 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds.
.MONDAY NIGHT...Northwest winds around 5 knots, becoming
northeast after midnight. Seas around 2 feet. Wave Detail: South
2 feet at 6 seconds.
.TUESDAY...Southeast winds around 5 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds.
.TUESDAY NIGHT...Northwest winds around 5 knots, becoming
northeast after midnight. Seas around 2 feet. Wave Detail: South
2 feet at 6 seconds.
.WEDNESDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Seas around 2 feet.
.THURSDAY...Southeast winds around 10 knots, becoming south in
the afternoon. Seas around 2 feet.

$$