National Weather Service Marine Forecast FZUS52 KTBW
FZUS52 KTBW 131610
CWFTBW
Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
1210 PM EDT Wed May 13 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.
GMZ800-132100
Synopsis for the coastal waters from Bonita Beach to Suwannee River
1210 PM EDT Wed May 13 2026
SYNOPSIS
A stalled frontal boundary over the waters today will slowly drift south tonight and Thursday, with isolated to scattered showers and a few storms possible today, then drier conditions filling in Thursday and Friday. High pressure will settle in northeast of the waters this weekend into early next week, with afternoon showers and storms possibly shifting west into the coastal waters during the afternoon and early evening hours each day.
GMZ830-132100
Tampa Bay waters
1210 PM EDT Wed May 13 2026
THIS AFTERNOON
Southwest winds 5 to 10 knots, becoming west
and increasing to 10 to 15 knots. Bay and inland waters a
moderate chop. A slight chance of showers and thunderstorms early
this afternoon.
TONIGHT
Northwest winds 5 to 10 knots. Bay and inland waters
light chop.
THURSDAY
North winds 5 to 10 knots, becoming northwest 10 to
15 knots with gusts up to 20 knots in the afternoon. Bay and
inland waters a moderate chop.
THURSDAY NIGHT
Northwest winds 10 to 15 knots with gusts up to
20 knots, becoming north 5 to 10 knots after midnight. Bay and
inland waters a moderate chop.
FRIDAY
Northeast winds around 5 knots, becoming northwest
10 to 15 knots with gusts up to 20 knots in the afternoon. Bay
and inland waters a moderate chop.
FRIDAY NIGHT
Northwest winds 10 to 15 knots with gusts up to
20 knots, becoming northeast 5 to 10 knots after midnight. Bay
and inland waters a moderate chop.
SATURDAY
Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Bay and inland waters light chop. A slight chance
of showers and thunderstorms in the afternoon.
SATURDAY NIGHT
Northwest 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.
SUNDAY
Southeast 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.
GMZ836-132100
Charlotte Harbor and Pine Island Sound
1210 PM EDT Wed May 13 2026
THIS AFTERNOON
Southwest winds 5 to 10 knots, becoming west
10 to 15 knots with gusts up to 20 knots. Bay and inland waters a
moderate chop. A chance of showers with a slight chance of
thunderstorms.
TONIGHT
West winds 10 to 15 knots, becoming northwest 5 to
10 knots after midnight. Bay and inland waters a moderate chop.
THURSDAY
Northwest winds 5 to 10 knots, increasing to 15 to
20 knots in the afternoon. Bay and inland waters choppy.
THURSDAY NIGHT
Northwest winds 15 to 20 knots, becoming north
5 to 10 knots after midnight. Bay and inland waters choppy.
FRIDAY
North winds 5 to 10 knots, becoming west 10 to 15 knots
in the afternoon. Bay and inland waters a moderate chop.
FRIDAY NIGHT
Northwest winds 5 to 10 knots, becoming northeast
after midnight. Bay and inland waters light chop.
SATURDAY
East winds around 5 knots, becoming south in the
afternoon. Bay and inland waters light chop. A slight chance of
showers and thunderstorms in the afternoon.
SATURDAY NIGHT
West 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.
SUNDAY
East winds 5 to 10 knots, becoming south 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.
GMZ856-132100
Coastal waters from Bonita Beach to Englewood FL out 20 NM
1210 PM EDT Wed May 13 2026
THIS AFTERNOON
Southwest winds 5 to 10 knots, becoming west
10to 15 knots with gusts up to 20 knots. Seas 1 foot or less,
then around 2 feet. Wave Detail: Southwest 1 foot at 4 seconds,
becoming west 1 foot at 3 seconds. Bay and inland waters a
moderate chop. A chance of showers with a slight chance of
thunderstorms.
TONIGHT
Northwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Northwest 2 feet at 4 seconds. Bay and inland waters
light chop.
THURSDAY
Northwest winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots in the afternoon. Seas 2 to
3 feet. Wave Detail: Northwest 2 feet at 4 seconds. Bay and
inland waters a moderate chop.
THURSDAY NIGHT
Northwest winds 15 to 20 knots, becoming north
10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Northwest 3 feet at 4 seconds. Bay and inland waters choppy.
FRIDAY
North winds 5 to 10 knots, becoming west in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: North 2 feet at 4 seconds, becoming northwest
1 foot at 4 seconds. Bay and inland waters light chop.
FRIDAY NIGHT
Northwest winds 5 to 10 knots, becoming northeast
after midnight. Seas 1 foot or less. Wave Detail: Northwest
1 foot at 5 seconds. Bay and inland waters light chop.
SATURDAY
East winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
SATURDAY NIGHT
West 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.
SUNDAY
East winds around 10 knots, becoming south in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
A chance of showers and thunderstorms in the afternoon.
Winds and seas higher in and near thunderstorms.
GMZ876-132100
Waters from Bonita Beach to Englewood FL out 20 to 60 NM
1210 PM EDT Wed May 13 2026
THIS AFTERNOON
West winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet. Wave Detail: Southwest 1 foot at 3 seconds,
becoming west 2 feet at 3 seconds. A slight chance of
thunderstorms. A chance of showers early this morning, then a
slight chance of showers late.
TONIGHT
Northwest winds around 10 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds.
THURSDAY
Northwest winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: North 2 feet at 4 seconds and southwest 1 foot at
5 seconds.
THURSDAY NIGHT
Northwest winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Northwest 2 feet at 4 seconds.
FRIDAY
North winds 5 to 10 knots, becoming northwest in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: North 2 feet at 4 seconds, becoming north
1 foot at 4 seconds.
FRIDAY NIGHT
Northwest winds 5 to 10 knots, becoming northeast
after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
5 seconds.
SATURDAY
East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 1 foot or less.
SATURDAY NIGHT
South winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less.
SUNDAY
Southeast winds 5 to 10 knots. Seas around 2 feet.
Winds and seas higher in and near thunderstorms.
GMZ853-132100
Coastal waters from Englewood to Tarpon Springs FL out 20 NM
1210 PM EDT Wed May 13 2026
THIS AFTERNOON
Southwest winds 5 to 10 knots, becoming west
late. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds.
Bay and inland waters light chop. A slight chance of showers and
thunderstorms early this afternoon.
TONIGHT
Northwest winds around 10 knots. Seas around 2 feet.
Wave Detail: North 2 feet at 4 seconds and southwest 1 foot at
5 seconds. Bay and inland waters light chop.
THURSDAY
North winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: North 2 feet at 4 seconds and southwest 1 foot at
5 seconds. Bay and inland waters a moderate chop.
THURSDAY NIGHT
Northwest winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: North 2 feet at 4 seconds. Bay and inland
waters a moderate chop.
FRIDAY
Northeast winds 5 to 10 knots, becoming northwest 10 to
15 knots in the afternoon. Seas around 2 feet. Wave Detail:
Northwest 2 feet at 4 seconds. Bay and inland waters a moderate
chop.
FRIDAY NIGHT
Northwest winds 10 to 15 knots, becoming
northeast 5 to 10 knots after midnight. Seas around 2 feet. Wave
Detail: North 2 feet at 4 seconds. Bay and inland waters a
moderate chop.
SATURDAY
East winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
SATURDAY NIGHT
Northwest winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Bay and inland waters light
chop.
SUNDAY
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.
GMZ873-132100
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM
1210 PM EDT Wed May 13 2026
THIS AFTERNOON
Southwest winds 5 to 10 knots, becoming
northwest late. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds and southwest 1 foot at 6 seconds. A slight chance of
showers and thunderstorms.
TONIGHT
Northwest winds around 10 knots. Seas around 2 feet.
Wave Detail: Northwest 2 feet at 3 seconds and southwest 1 foot
at 5 seconds.
THURSDAY
North winds around 10 knots. Seas around 2 feet. Wave
Detail: North 2 feet at 4 seconds and southwest 1 foot at
5 seconds.
THURSDAY NIGHT
Northwest winds around 10 knots. Seas around
2 feet. Wave Detail: Northwest 2 feet at 4 seconds.
FRIDAY
North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: North 2 feet at 4 seconds.
FRIDAY NIGHT
North winds 5 to 10 knots, becoming northeast
after midnight. Seas around 2 feet in the evening, then 1 foot or
less. Wave Detail: North 1 foot at 4 seconds.
SATURDAY
East winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less.
SATURDAY NIGHT
Northwest winds around 5 knots, becoming east
after midnight. Seas 1 foot or less.
SUNDAY
Southeast winds 5 to 10 knots. Seas 1 foot or less.
Winds and seas higher in and near thunderstorms.
GMZ850-132100
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM
1210 PM EDT Wed May 13 2026
THIS AFTERNOON
Northeast winds around 5 knots, becoming
northwest around 10 knots. Seas 1 foot or less. Wave Detail:
North 1 foot at 2 seconds and southwest 1 foot at 6 seconds. Bay
and inland waters light chop. A slight chance of showers and
thunderstorms early this afternoon.
TONIGHT
North winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 3 seconds and southwest 1 foot at
5 seconds. Bay and inland waters light chop.
THURSDAY
North winds 5 to 10 knots, becoming northwest 10 to
15 knots in the afternoon. Seas 1 foot or less. Wave Detail:
Northwest 1 foot at 3 seconds and southwest 1 foot at 5 seconds.
Bay and inland waters a moderate chop.
THURSDAY NIGHT
Northwest winds 10 to 15 knots, becoming north
after midnight. Seas around 2 feet in the evening, then 1 foot or
less. Wave Detail: West 1 foot at 3 seconds, becoming north
1 foot at 3 seconds. Bay and inland waters a moderate chop.
FRIDAY
Northeast winds 5 to 10 knots, becoming northwest 10 to
15 knots in the afternoon. Seas 1 foot or less. Wave Detail:
North 1 foot at 3 seconds. Bay and inland waters a moderate chop.
FRIDAY NIGHT
Northwest winds 10 to 15 knots, becoming
northeast 5 to 10 knots after midnight. Seas 1 foot or less. Wave
Detail: North 1 foot at 3 seconds. Bay and inland waters a
moderate chop.
SATURDAY
Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas 1 foot or less. Bay and inland waters light
chop.
SATURDAY NIGHT
Northwest winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Bay and inland waters light
chop.
SUNDAY
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.
GMZ870-132100
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM
1210 PM EDT Wed May 13 2026
THIS AFTERNOON
East winds around 5 knots, becoming northeast
late this morning and early afternoon, then becoming north late.
Seas around 2 feet. Wave Detail: North 1 foot at 3 seconds and
southwest 1 foot at 6 seconds.
TONIGHT
North winds around 10 knots. Seas around 2 feet. Wave
Detail: North 2 feet at 3 seconds and southwest 1 foot at
6 seconds.
THURSDAY
Northwest winds around 10 knots. Seas around 2 feet
in the morning, then 1 foot or less. Wave Detail: Northwest
1 foot at 3 seconds and southwest 1 foot at 5 seconds, becoming
north 1 foot at 3 seconds and southwest 1 foot at 5 seconds.
THURSDAY NIGHT
Northwest winds around 10 knots, becoming north
after midnight. Seas 1 foot or less, then around 2 feet after
midnight. Wave Detail: Northwest 1 foot at 3 seconds, becoming
north 2 feet at 4 seconds.
FRIDAY
Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: North 2 feet at 4 seconds.
FRIDAY NIGHT
Northwest winds 5 to 10 knots, becoming northeast
after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
4 seconds.
SATURDAY
Southeast winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less.
SATURDAY NIGHT
Northwest winds around 5 knots, becoming east
after midnight. Seas 1 foot or less.
SUNDAY
Southeast winds 5 to 10 knots. Seas 1 foot or less.
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