757
FZUS52 KTBW 121400
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
1000 AM EDT Wed Mar 12 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.

GMZ800-122100-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
1000 AM EDT Wed Mar 12 2025

.SYNOPSIS...

High pressure will continue to weaken today allowing winds and
seas to subside through the end of the work week. Southerly winds
and building seas are expected to increase this weekend ahead of
a cold front that should move through the E Gulf waters Sunday
night into Monday. Conditions are expected to become hazardous
through the weekend as the system moves through the region. Another
high pressure center will filter into the region on breezy
northerly winds for the start of next week.

&&

$$

GMZ830-122100-
Tampa Bay waters-
1000 AM EDT Wed Mar 12 2025

.THIS AFTERNOON...Winds becoming west 5 to 10 knots. Bay and
inland waters smooth.
.TONIGHT...West winds around 5 knots in the evening, becoming
light and variable. Bay and inland waters smooth.
.THURSDAY...Southeast winds around 5 knots, becoming southwest
5 to 10 knots in the afternoon. Bay and inland waters light chop.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming south
after midnight. Bay and inland waters light chop.
.FRIDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Bay and inland waters light chop.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming southeast
after midnight. Bay and inland waters light chop.
.SATURDAY...South winds 10 to 15 knots. Bay and inland waters a
moderate chop.
.SATURDAY NIGHT...South winds 15 to 20 knots. Bay and inland
waters choppy.
.SUNDAY...South winds 15 to 20 knots. Bay and inland waters
choppy. A slight chance of showers in the morning, then a chance
of showers in the afternoon.

$$

GMZ836-122100-
Charlotte Harbor and Pine Island Sound-
1000 AM EDT Wed Mar 12 2025

.THIS AFTERNOON...Winds becoming west 5 to 10 knots. Bay and
inland waters light chop.
.TONIGHT...Northwest winds around 5 knots, becoming northeast
overnight. Bay and inland waters smooth.
.THURSDAY...East winds around 5 knots, becoming south 5 to
10 knots in the afternoon. Bay and inland waters light chop.
.THURSDAY NIGHT...Northwest winds around 5 knots, becoming
northeast overnight. Bay and inland waters smooth.
.FRIDAY...East winds around 5 knots, becoming south 5 to 10 knots
in the afternoon. Bay and inland waters light chop.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming southeast
after midnight. Bay and inland waters light chop.
.SATURDAY...Southeast winds 10 to 15 knots. Bay and inland waters
a moderate chop.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland
waters a moderate chop.
.SUNDAY...South winds 15 to 20 knots. Bay and inland waters
choppy. A slight chance of showers in the afternoon.

$$

GMZ856-122100-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
1000 AM EDT Wed Mar 12 2025

.THIS AFTERNOON...Winds becoming west 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: West 3 feet at 7 seconds. Bay and inland
waters light chop.
.TONIGHT...Northwest winds around 5 knots in the evening,
becoming light and variable. Seas around 2 feet in the evening,
then 1 foot or less. Wave Detail: West 2 feet at 6 seconds,
becoming west 1 foot at 6 seconds. Bay and inland waters smooth.
.THURSDAY...Southeast winds around 5 knots, becoming southwest
5 to 10 knots in the afternoon. Seas 1 foot or less. Wave Detail:
South 1 foot at 2 seconds and west 1 foot at 6 seconds. Bay and
inland waters light chop.
.THURSDAY NIGHT...Northwest winds around 5 knots, becoming
northeast overnight. Seas 1 foot or less. Wave Detail: South
1 foot at 2 seconds and west 1 foot at 5 seconds. Bay and inland
waters smooth.
.FRIDAY...East winds around 5 knots, becoming south 5 to 10 knots
in the afternoon. Seas 1 foot or less. Wave Detail: Southeast
1 foot at 4 seconds and west 1 foot at 4 seconds. Bay and inland
waters light chop.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southeast
10 to 15 knots after midnight. Seas 1 foot or less. Wave Detail:
South 1 foot at 4 seconds. Bay and inland waters a moderate chop.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 2 to 3 feet. Bay
and inland waters choppy.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
4 feet, occasionally to 5 feet. Bay and inland waters choppy.
.SUNDAY...South winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Bay and inland waters choppy. A slight
chance of showers in the afternoon.

$$

GMZ876-122100-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
1000 AM EDT Wed Mar 12 2025

.THIS AFTERNOON...Variable winds around 5 knots. Seas 2 to 3 feet.
Wave Detail: Northwest 3 feet at 7 seconds.
.TONIGHT...Variable winds around 5 knots, becoming east overnight.
Seas around 2 feet in the evening, then 1 foot or less. Wave
Detail: West 2 feet at 6 seconds, becoming west 1 foot at
6 seconds.
.THURSDAY...Southeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 2 seconds and west 1 foot at
5 seconds.
.THURSDAY NIGHT...East winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 4 seconds and west 1 foot at
5 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, increasing to
10 to 15 knots with gusts up to 20 knots after midnight. Seas
1 foot or less, then around 2 feet after midnight. Wave Detail:
Southeast 1 foot at 4 seconds, becoming southeast 1 foot at
3 seconds.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
5 feet, occasionally to 6 feet.
.SUNDAY...South winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A slight chance of showers in the
afternoon.

$$

GMZ853-122100-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
1000 AM EDT Wed Mar 12 2025

.THIS AFTERNOON...Winds becoming west 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: West 2 feet at 7 seconds. Bay and inland
waters light chop.
.TONIGHT...Northwest winds around 5 knots, becoming light and
variable in the late evening and overnight. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: West 2 feet at
6 seconds, becoming west 1 foot at 6 seconds. Bay and inland
waters smooth.
.THURSDAY...Southeast winds around 5 knots, becoming southwest
5 to 10 knots in the afternoon. Seas 1 foot or less. Wave Detail:
Southwest 1 foot at 2 seconds and west 1 foot at 5 seconds. Bay
and inland waters smooth.
.THURSDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less. Wave Detail: Southwest 1 foot at 2 seconds and west 1 foot
at 5 seconds. Bay and inland waters smooth.
.FRIDAY...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 west 1 foot at 4 seconds. Bay and inland waters
light chop.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southeast
10 to 15 knots after midnight. Seas 1 foot or less. Wave Detail:
South 1 foot at 4 seconds. Bay and inland waters a moderate chop.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Bay and inland waters choppy.
.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Bay and inland waters choppy.
.SUNDAY...South winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Bay and inland waters choppy. A slight
chance of showers in the morning, then a chance of showers in the
afternoon.

$$

GMZ873-122100-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
1000 AM EDT Wed Mar 12 2025

.THIS AFTERNOON...Variable winds around 5 knots. Seas 2 to 3 feet.
Wave Detail: West 3 feet at 7 seconds and north 1 foot at
4 seconds.
.TONIGHT...Variable winds around 5 knots, becoming southeast
overnight. Seas around 2 feet in the evening, then 1 foot or
less. Wave Detail:
West 2 feet at 6 seconds, becoming west 1 foot at 6 seconds.
.THURSDAY...South winds around 5 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 2 seconds and west 1 foot at
5 seconds.
.THURSDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less. Wave Detail: South 1 foot at 2 seconds and west 1 foot at
5 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds and southwest 1 foot
at 4 seconds.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southeast
10 to 15 knots with gusts up to 20 knots after midnight. Seas
1 foot or less, then around 2 feet after midnight. Wave Detail:
South 1 foot at 4 seconds, becoming south 2 feet at 4 seconds.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to
5 feet, occasionally to 6 feet.
.SUNDAY...South winds 15 to 20 knots. Seas around 5 feet,
occasionally to 6 feet. A chance of showers.

$$

GMZ850-122100-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
1000 AM EDT Wed Mar 12 2025

.THIS AFTERNOON...West winds 5 to 10 knots. Seas 1 to 2 feet.
Wave Detail: West 2 feet at 7 seconds. Bay and inland waters
smooth.
.TONIGHT...West winds around 5 knots, becoming south late. Seas
1 foot or less. Wave Detail: West 1 foot at 6 seconds. Bay and
inland waters smooth.
.THURSDAY...South winds around 5 knots, becoming southwest 5 to
10 knots in the afternoon. Seas 1 foot or less. Wave Detail:
Southwest 1 foot at 2 seconds and west 1 foot at 5 seconds. Bay
and inland waters light chop.
.THURSDAY NIGHT...South winds around 5 knots, becoming southeast
overnight. Seas 1 foot or less. Wave Detail: Southwest 1 foot at
4 seconds. Bay and inland waters smooth.
.FRIDAY...Southeast winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at
4 seconds. Bay and inland waters smooth.
.FRIDAY NIGHT...Southwest winds around 5 knots, becoming southeast
overnight. Seas 1 foot or less. Wave Detail:
Southwest 1 foot at 5 seconds. Bay and inland waters light chop.
.SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop.
.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Bay and inland waters choppy.
.SUNDAY...South winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Bay and inland waters choppy. A chance of
showers with a slight chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ870-122100-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
1000 AM EDT Wed Mar 12 2025

.THIS AFTERNOON...Variable winds around 5 knots. Seas around
2 feet. Wave Detail: West 2 feet at 7 seconds.
.TONIGHT...Southwest winds around 5 knots. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: West 1 foot at
6 seconds.
.THURSDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 5 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 5 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 5 seconds.
.FRIDAY NIGHT...South 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: Southwest 1 foot at
5 seconds, becoming southwest 2 feet at 5 seconds.
.SATURDAY...Southeast winds 10 to 15 knots, becoming south 15 to
20 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet.
.SATURDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A slight chance of showers after
midnight.
.SUNDAY...South winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A chance of showers with a slight chance
of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$