Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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FZUS52 KTBW 170545
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
145 AM EDT Fri Oct 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.

GMZ800-171815-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
145 AM EDT Fri Oct 17 2025

.SYNOPSIS...
High pressure north of the area will produce rain-free conditions
and prevailing east-northeast winds around 10-15 knots through the
day, with some brief periods of increasing winds to Cautionary level
through Saturday night. The only chance of any showers will come
on Sunday as a weak front moves across the eastern gulf waters.
High pressure then builds back into the area for the first half of
next week with pleasant weather expected.

&&

$$

GMZ830-171815-
Tampa Bay waters-
145 AM EDT Fri Oct 17 2025

.TODAY...Northeast winds 10 to 15 knots. Bay and inland waters a
moderate chop.
.TONIGHT...East winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Bay and inland waters choppy.
.SATURDAY...East winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Bay and inland waters a moderate chop.
.SATURDAY NIGHT...East winds 10 to 15 knots. Bay and inland
waters a moderate chop.
.SUNDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Bay and inland waters light chop.
.SUNDAY NIGHT...West winds 5 to 10 knots, becoming northeast
after midnight. Bay and inland waters light chop.
.MONDAY...Northeast winds 5 to 10 knots. Bay and inland waters
light chop.
.MONDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop.
.TUESDAY...East winds 5 to 10 knots, becoming north in the
afternoon. Bay and inland waters light chop.

$$

GMZ836-171815-
Charlotte Harbor and Pine Island Sound-
145 AM EDT Fri Oct 17 2025

.TODAY...Northeast winds 10 to 15 knots. Bay and inland waters a
moderate chop.
.TONIGHT...East winds 10 to 15 knots. Bay and inland waters a
moderate chop.
.SATURDAY...East winds 5 to 10 knots. Bay and inland waters light
chop.
.SATURDAY NIGHT...East winds around 10 knots. Bay and inland
waters light chop.
.SUNDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Bay and inland waters light chop.
.SUNDAY NIGHT...West winds 5 to 10 knots, becoming east after
midnight. Bay and inland waters light chop.
.MONDAY...Northeast winds 5 to 10 knots. Bay and inland waters
light chop.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Bay and inland
waters light chop.
.TUESDAY...Northeast winds 5 to 10 knots, becoming north in the
afternoon. Bay and inland waters light chop.

$$

GMZ856-171815-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
145 AM EDT Fri Oct 17 2025

.TODAY...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: North 2 feet at 4 seconds. Bay and inland waters a
moderate chop.
.TONIGHT...East winds 15 to 20 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 4 seconds. Bay and inland waters
choppy.
.SATURDAY...East winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East
2 feet at 4 seconds. Bay and inland waters a moderate chop.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: East 1 foot at
3 seconds, becoming southeast 2 feet at 4 seconds. Bay and inland
waters a moderate chop.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds. Bay and inland waters
light chop.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at
3 seconds. Bay and inland waters light chop.
.MONDAY...East winds 5 to 10 knots, becoming north in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
.MONDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Bay and inland waters light chop.
.TUESDAY...East winds 5 to 10 knots, becoming north in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.

$$

GMZ876-171815-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
145 AM EDT Fri Oct 17 2025

...SMALL CRAFT EXERCISE CAUTION...

.TODAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots
with gusts up to 20 knots this afternoon. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 5 seconds.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East
4 feet at 5 seconds.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East
4 feet at 5 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 5 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 5 seconds.
.MONDAY...Northeast winds 5 to 10 knots. Seas around 2 feet.
.MONDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less, then around 2 feet after midnight.
.TUESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet.

$$

GMZ853-171815-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
145 AM EDT Fri Oct 17 2025

.TODAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 2 feet at 4 seconds. Bay and inland waters a
moderate chop.
.TONIGHT...East winds 15 to 20 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 2 feet at 4 seconds. Bay and inland waters
choppy.
.SATURDAY...East 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 2 feet at 4 seconds. Bay and inland waters
a moderate chop.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: East 1 foot at
4 seconds, becoming southeast 2 feet at 4 seconds. Bay and inland
waters a moderate chop.
.SUNDAY...Southeast winds 10 to 15 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.
.SUNDAY NIGHT...West winds 5 to 10 knots, becoming north after
midnight. Seas 1 foot or less. Wave Detail: Southwest 1 foot at
3 seconds. Bay and inland waters light chop.
.MONDAY...North winds 5 to 10 knots. Seas 1 foot or less. Bay and
inland waters light chop.
.MONDAY NIGHT...North winds around 10 knots, becoming east after
midnight. Seas around 2 feet. Bay and inland waters light chop.
.TUESDAY...East winds 5 to 10 knots, becoming north in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.

$$

GMZ873-171815-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
145 AM EDT Fri Oct 17 2025

...SMALL CRAFT EXERCISE CAUTION...

.TODAY...East winds 15 to 20 knots, becoming northeast 10 to
15 knots with gusts up to 20 knots this afternoon. Seas 2 to
3 feet. Wave Detail: Northeast 3 feet at 5 seconds.
.TONIGHT...East winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 3 feet at 4 seconds.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East
3 feet at 5 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming southeast
10 to 15 knots with gusts up to 20 knots after midnight. Seas
around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.SUNDAY...Southeast 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.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming north
after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet
at 5 seconds.
.MONDAY...Northeast winds around 10 knots. Seas around 2 feet.
.MONDAY NIGHT...North winds around 10 knots, becoming northeast
after midnight. Seas around 2 feet.
.TUESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less.

$$

GMZ850-171815-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
145 AM EDT Fri Oct 17 2025

.TODAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots this afternoon. Seas 1 to 2 feet. Wave Detail: Northeast
2 feet at 4 seconds. Bay and inland waters a moderate chop.
.TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 2 feet. Wave Detail: East 2 feet at 3 seconds. Bay
and inland waters a moderate chop.
.SATURDAY...East winds 5 to 10 knots. Seas 1 to 2 feet in the
morning, then 1 foot or less. Wave Detail: East 1 foot at
4 seconds, becoming southeast 1 foot at 3 seconds. Bay and inland
waters light chop.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming southeast
10 to 15 knots after midnight. Seas 1 foot or less, then around
2 feet after midnight. Wave Detail: Southeast 1 foot at
3 seconds, becoming southeast 1 foot at 4 seconds. Bay and inland
waters a moderate chop.
.SUNDAY...Southeast winds around 10 knots, becoming south in the
afternoon. Seas 1 to 2 feet in the morning, then 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds, then Wave Detail:
South 1 foot at 3 seconds. Bay and inland waters light chop.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming northwest
after midnight. Seas 1 foot or less. Wave Detail: Southwest
1 foot at 3 seconds. Bay and inland waters light chop.
.MONDAY...North winds 5 to 10 knots. Seas 1 foot or less. Bay and
inland waters light chop.
.MONDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less. Bay and inland waters light chop.
.TUESDAY...East winds 5 to 10 knots, becoming northwest in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.

$$

GMZ870-171815-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
145 AM EDT Fri Oct 17 2025

.TODAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds.
.TONIGHT...East winds 15 to 20 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 4 seconds.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 4 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming southeast
10 to 15 knots after midnight. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 4 seconds.
.SUNDAY...South winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds. A slight chance of showers
in the afternoon.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming northwest
after midnight. Seas around 2 feet. Wave Detail: South 1 foot at
4 seconds.
.MONDAY...Northeast winds 5 to 10 knots. Seas around 2 feet.
.MONDAY NIGHT...North winds 5 to 10 knots, becoming northeast
after midnight. Seas around 2 feet.
.TUESDAY...Northeast winds 5 to 10 knots, becoming north in the
afternoon. Seas 1 foot or less.

$$