767
FZUS52 KTBW 150745
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
345 AM EDT Sat Mar 15 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.

GMZ800-152015-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
345 AM EDT Sat Mar 15 2025

.SYNOPSIS...

Winds are forecast to increase later today across coastal waters,
starting the process of building seas ahead of an approaching storm
system and cold front tomorrow. A Small Craft Advisory is going into
effect this afternoon in response, with poor marine conditions
sticking around through the middle of the week when winds subside.
Additionally, a line of thunderstorms is forecast to move across
coastal waters tomorrow afternoon and into the evening, creating
additional hazards for mariners.

&&

$$

GMZ830-152015-
Tampa Bay waters-
345 AM EDT Sat Mar 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY EVENING...

.TODAY...Southeast winds 10 to 15 knots, increasing 15 to 20
knots late this morning and early afternoon, then becoming south
at 20 knots late. Bay and inland waters choppy.
.TONIGHT...South winds 20 knots, becoming southeast 20 to 25
knots after midnight. Bay and inland waters rough.
.SUNDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Waves 2 to 3 feet. Bay and inland waters rough. A chance of
showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots, becoming west
after midnight. Bay and inland waters choppy. Showers likely. A
chance of thunderstorms, mainly in the evening.
.MONDAY...Northwest winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Bay and inland waters rough. A chance
of showers in the morning.
.MONDAY NIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Bay and inland waters choppy.
.TUESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Bay and inland waters a moderate chop.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop.
.WEDNESDAY...East winds around 5 knots, becoming south in the
afternoon. Bay and inland waters light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ836-152015-
Charlotte Harbor and Pine Island Sound-
345 AM EDT Sat Mar 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY EVENING...

.TODAY...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming south 15 to 20 knots with gusts up to 25 knots
this afternoon. Bay and inland waters choppy.
.TONIGHT...Southeast winds 20 knots with gusts up to 25 knots.
Bay and inland waters choppy.
.SUNDAY...Southeast winds 20 to 25 knots, becoming south 20 knots
in the afternoon. Bay and inland waters rough. A slight chance of
showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots, becoming west 15 to
20 knots after midnight. Bay and inland waters choppy. Showers
likely with a chance of thunderstorms.
.MONDAY...Northwest winds 15 to 20 knots with gusts up to
25 knots. Bay and inland waters choppy. Showers likely in the
morning.
.MONDAY NIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Bay and inland waters choppy.
.TUESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Bay and inland waters a moderate chop.
.TUESDAY NIGHT...North 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.

Winds and waves higher in and near thunderstorms.

$$

GMZ856-152015-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
345 AM EDT Sat Mar 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY EVENING...

.TODAY...Southeast winds 15 to 20 knots with gusts up to 25
knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds.
Bay and inland waters choppy.
.TONIGHT...Southeast winds 20 knots with gusts up to 30 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
South 4 feet at 6 seconds. Bay and inland waters choppy.
.SUNDAY...Southeast winds 20 to 25 knots, becoming south 15 to
20 knots in the afternoon. Seas 4 to 5 feet, occasionally to
6 feet. Wave Detail: South 5 feet at 5 seconds and south 3 feet
at 8 seconds. Bay and inland waters rough. A slight chance of
showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots, becoming west 15 to
20 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: West 3 feet at 4 seconds and south 3 feet at
5 seconds. Bay and inland waters choppy. A chance of showers and
thunderstorms.
.MONDAY...Northwest winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
Northwest 7 feet at 7 seconds and southeast 1 foot at 5 seconds.
Bay and inland waters rough. A chance of showers with a slight
chance of thunderstorms in the morning.
.MONDAY NIGHT...North winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
North 7 feet at 6 seconds. Bay and inland waters rough.
.TUESDAY...Northeast winds 15 to 20 knots, becoming north 5 to
10 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet, subsiding to 2 to 4 feet, occasionally to 5 feet in the
afternoon. Bay and inland waters choppy.
.TUESDAY NIGHT...North winds around 10 knots, becoming east after
midnight. Seas 2 to 3 feet. Bay and inland waters a moderate
chop.
.WEDNESDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet. Bay and inland waters light chop.

Winds and seas higher in and near thunderstorms.

$$

GMZ876-152015-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
345 AM EDT Sat Mar 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY EVENING...

.TODAY...Southeast winds 20 knots with gusts up to 25 knots. Seas
2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4
feet at 5 seconds.
.TONIGHT...Southeast winds 20 knots with gusts up to 30 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
South 5 feet at 6 seconds.
.SUNDAY...South winds 20 knots with gusts up to 30 knots. Seas 4
to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet
at 5 seconds and south 5 feet at 8 seconds. A slight chance of
showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots, becoming west 15 to
20 knots after midnight. Seas 4 to 5 feet, occasionally to
6 feet. Wave Detail: Southwest 4 feet at 8 seconds and west
3 feet at 4 seconds. Showers likely with a chance of
thunderstorms.
.MONDAY...Northwest winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet, building to
7 to 8 feet, occasionally to 10 feet in the afternoon. Wave
Detail: West 6 feet at 7 seconds and southeast 1 foot at
5 seconds, becoming northwest 8 feet at 7 seconds. A chance of
showers in the morning.
.MONDAY NIGHT...North winds 20 to 25 knots with gusts up to
30 knots. Seas 7 to 8 feet, occasionally to 10 feet. Wave Detail:
North 8 feet at 7 seconds.
.TUESDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet in the
afternoon.
.TUESDAY NIGHT...North winds around 10 knots, becoming east after
midnight. Seas 2 to 4 feet, occasionally to 5 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ853-152015-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
345 AM EDT Sat Mar 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY EVENING...

.TODAY...Southeast winds 15 to 20 knots. Gusts up to 30 knots
late. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
South 4 feet at 6 seconds. Bay and inland waters choppy.
.TONIGHT...South winds 20 to 25 knots with gusts up to 30 knots.
Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South
5 feet at 6 seconds. Bay and inland waters rough.
.SUNDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South
6 feet at 5 seconds. Bay and inland waters rough. A slight chance
of showers in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots, becoming west
20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Southwest 5 feet at 8 seconds and west
4 feet at 5 seconds. Bay and inland waters rough. Showers likely
with a chance of thunderstorms in the evening, then a chance of
showers with a slight chance of thunderstorms after midnight.
.MONDAY...Northwest winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
Northwest 7 feet at 7 seconds and south 1 foot at 5 seconds. Bay
and inland waters rough. A chance of showers in the morning.
.MONDAY NIGHT...North winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
North 7 feet at 6 seconds. Bay and inland waters rough.
.TUESDAY...Northeast winds 15 to 20 knots, becoming north 5 to
10 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet, subsiding to 2 to 4 feet, occasionally to 5 feet in the
afternoon. Bay and inland waters choppy.
.TUESDAY NIGHT...North winds around 10 knots, becoming east after
midnight. Seas 2 to 3 feet. Bay and inland waters light chop.
.WEDNESDAY...East winds around 10 knots, becoming south in the
afternoon. Seas around 2 feet. Bay and inland waters light chop.

Winds and seas higher in and near thunderstorms.

$$

GMZ873-152015-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
345 AM EDT Sat Mar 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY EVENING...

.TODAY...Southeast winds 15 to 20 knots with gusts up to
30 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
South 4 feet at 5 seconds.
.TONIGHT...Southeast winds 20 to 25 knots with gusts up to
35 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
South 6 feet at 6 seconds.
.SUNDAY...South winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: South 6 feet at 7 seconds. A chance of
showers in the morning, then showers likely with a chance of
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds around 15 knots, becoming
northwest after midnight. Gusts up to 30 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: South 6 feet at 7 seconds
and west 4 feet at 5 seconds. A chance of showers. A chance of
thunderstorms, mainly in the evening.
.MONDAY...Northwest winds 20 to 25 knots with gusts up to
30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail:
West 8 feet at 7 seconds and southeast 1 foot at 6 seconds. A
slight chance of showers in the morning.
.MONDAY NIGHT...North winds 20 to 25 knots with gusts up to
30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail:
North 8 feet at 7 seconds.
.TUESDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet.
.TUESDAY NIGHT...North winds 5 to 10 knots, becoming east 10 to
15 knots after midnight. Seas 2 to 3 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ850-152015-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
345 AM EDT Sat Mar 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY EVENING...

.TODAY...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming south 20 knots with gusts up to 30 knots late.
Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. Bay and
inland waters choppy.
.TONIGHT...South winds 20 knots with gusts up to 30 knots. Seas 2
to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at 5
seconds. Bay and inland waters choppy.
.SUNDAY...South winds around 20 knots with gusts up to 30 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southwest
5 feet at 7 seconds and south 2 feet at 4 seconds. Bay and inland
waters choppy. Showers likely in the morning, then showers with a
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots, becoming west
after midnight. Gusts up to 30 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: West 4 feet at 5 seconds and
southwest 4 feet at 8 seconds. Bay and inland waters choppy.
Showers with a chance of thunderstorms in the evening, then a
chance of showers after midnight.
.MONDAY...Northwest winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Northwest 4 feet at 5 seconds and west
4 feet at 8 seconds. Bay and inland waters rough.
.MONDAY NIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
West 4 feet at 8 seconds and north 3 feet at 5 seconds. Bay and
inland waters choppy.
.TUESDAY...Northeast winds 10 to 15 knots, becoming north 5 to
10 knots in the afternoon. Seas 2 to 3 feet, subsiding to 1 to
2 feet in the afternoon. Bay and inland waters a moderate chop.
.TUESDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas 1 to 2 feet in the evening, then 1 foot or less.
Bay and inland waters light chop.
.WEDNESDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.

Winds and seas higher in and near thunderstorms.

$$

GMZ870-152015-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
345 AM EDT Sat Mar 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY EVENING...

.TODAY...Southeast winds 15 to 20 knots with gusts up to
30 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
South 4 feet at 5 seconds.
.TONIGHT...South winds 20 to 25 knots with gusts up to 30 knots.
Seas 4 to 5 feet, occasionally to 6 feet, building to 5 to
7 feet, occasionally to 9 feet after midnight. Wave Detail: South
5 feet at 6 seconds, becoming south 7 feet at 5 seconds.
.SUNDAY...South winds 20 to 25 knots, becoming southwest 15 to
20 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: South 7 feet at 7 seconds and south 1 foot
at 3 seconds. Showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds around 15 knots, becoming west
20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: West 6 feet at 6 seconds. Showers with a
chance of thunderstorms in the evening, then a chance of showers
after midnight.
.MONDAY...Northwest winds 20 to 25 knots. Seas 5 to 8 feet,
occasionally to 10 feet. Wave Detail: West 7 feet at 7 seconds.
.MONDAY NIGHT...North winds 15 to 20 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
West 6 feet at 8 seconds and north 3 feet at 5 seconds.
.TUESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet.
.TUESDAY NIGHT...North winds 5 to 10 knots, becoming east after
midnight. Seas around 2 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$