National Weather Service Marine Forecast FZUS52 KTBW
FZUS52 KTBW 151353
CWFTBW
Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
853 AM EST Thu Jan 15 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.
GMZ800-160215
Synopsis for the coastal waters from Bonita Beach to Suwannee River
853 AM EST Thu Jan 15 2026
SYNOPSIS
Deteriorating marine conditions today as a cold front moves over the waters and high pressure begins to build into the area. A few lingering associated showers this morning will diminish by this afternoon, with winds increasing across the waters and will continue through Friday morning. Winds are forecast to reach 20 to 30 knots, with higher gusts possible. Seas will build in response becoming hazardous to dangerous offshore. A Small Craft Advisory is in effect through Friday morning, with quieter boating weather returning for Saturday before another front arrives on Sunday, favoring another period of potentially hazardous marine conditions.
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GMZ830-160215
Tampa Bay waters
853 AM EST Thu Jan 15 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
Northwest winds 15 to 20 knots. Gusts up to 30 knots
this afternoon. Bay and inland waters choppy. A chance of showers
this morning, then a slight chance of showers early this
afternoon.
TONIGHT
North winds 15 to 20 knots, becoming northeast 10 to
15 knots after midnight. Bay and inland waters choppy.
FRIDAY
Northeast winds 5 to 10 knots, diminishing to around
5 knots in the afternoon. Bay and inland waters light chop.
FRIDAY NIGHT
Northeast winds around 5 knots. Bay and inland
waters smooth.
SATURDAY
East winds around 5 knots, becoming south in the
afternoon. Bay and inland waters smooth.
SATURDAY NIGHT
North winds 5 to 10 knots. Bay and inland
waters light chop. A slight chance of showers after midnight.
SUNDAY
Northwest winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Bay and inland waters choppy. A chance
of showers in the morning.
SUNDAY NIGHT
North winds 10 to 15 knots. Bay and inland waters
a moderate chop.
MONDAY
North winds 5 to 10 knots. Bay and inland waters light
chop.
GMZ836-160215
Charlotte Harbor and Pine Island Sound
853 AM EST Thu Jan 15 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
Northwest winds 15 to 20 knots. Gusts up to 30 knots
this afternoon. Bay and inland waters choppy. Showers likely with
a chance of thunderstorms early this morning, then a chance of
showers late this morning and early afternoon.
TONIGHT
North winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Bay and inland waters choppy.
FRIDAY
Northeast winds 5 to 10 knots. Bay and inland waters
light chop.
FRIDAY NIGHT
Northeast winds 5 to 10 knots. Bay and inland
waters light chop.
SATURDAY
Northeast winds 5 to 10 knots. Bay and inland waters
light chop.
SATURDAY NIGHT
North winds 5 to 10 knots. Bay and inland
waters light chop.
SUNDAY
Northwest winds 10 to 15 knots. Bay and inland waters a
moderate chop. A slight chance of showers in the morning.
SUNDAY NIGHT
North winds 10 to 15 knots. Bay and inland waters
a moderate chop.
MONDAY
North winds 10 to 15 knots. Bay and inland waters a
moderate chop.
Winds and waves higher in and near thunderstorms.
GMZ856-160215
Coastal waters from Bonita Beach to Englewood FL out 20 NM
853 AM EST Thu Jan 15 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
Northwest winds 15 to 20 knots, increasing to 20 to
25 knots late this morning and afternoon. Seas 3 to 5 feet,
occasionally to 6 feet, building to 5 to 7 feet, occasionally to
9 feet this afternoon. Wave Detail: West 5 feet at 5 seconds,
becoming northwest 7 feet at 7 seconds. Bay and inland waters
rough. Showers with a chance of thunderstorms early this morning,
then a chance of showers late this morning and early afternoon.
TONIGHT
North winds 20 to 25 knots with gusts up to 30 knots,
diminishing to 15 to 20 knots after midnight. Seas 5 to 8 feet,
occasionally to 10 feet. Wave Detail: Northwest 8 feet at
9 seconds and north 1 foot at 4 seconds. Bay and inland waters
rough.
FRIDAY
Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: West 5 feet at 8 seconds and northeast
1 foot at 4 seconds. Bay and inland waters a moderate chop.
FRIDAY NIGHT
Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: West 3 feet at 7 seconds and northeast 1 foot at
3 seconds. Bay and inland waters light chop.
SATURDAY
Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Northwest 2 feet at 6 seconds and northeast 1 foot
at 3 seconds. Bay and inland waters light chop.
SATURDAY NIGHT
North winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 2 seconds and northwest 1 foot
at 5 seconds. Bay and inland waters light chop. A slight chance
of showers after midnight.
SUNDAY
Northwest winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 3 feet, building to 3 to
5 feet, occasionally to 6 feet in the afternoon. Bay and inland
waters choppy. A slight chance of showers in the morning.
SUNDAY NIGHT
North winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Bay and inland waters choppy.
MONDAY
North winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Bay and inland waters a moderate chop.
Winds and seas higher in and near thunderstorms.
GMZ876-160215
Waters from Bonita Beach to Englewood FL out 20 to 60 NM
853 AM EST Thu Jan 15 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
Northwest winds 20 to 25 knots. Seas 4 to 6 feet,
occasionally to 8 feet, building to 6 to 9 feet, occasionally to
11 feet this afternoon. Wave Detail: Northwest 5 feet at
6 seconds, becoming northwest 8 feet at 7 seconds. A chance of
showers and thunderstorms early this morning, then showers likely
late this morning. A chance of showers early this afternoon.
TONIGHT
North winds 20 to 25 knots with gusts up to 30 knots,
diminishing to 15 to 20 knots after midnight. Seas 8 to 9 feet,
occasionally to 11 feet, subsiding to 6 to 8 feet, occasionally
to 10 feet after midnight. Wave Detail: Northwest 9 feet at
9 seconds, becoming northwest 8 feet at 9 seconds and north
1 foot at 4 seconds.
FRIDAY
Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Northwest 6 feet at 8 seconds and north
1 foot at 5 seconds.
FRIDAY NIGHT
Northeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest 3 feet at
7 seconds and northeast 1 foot at 4 seconds.
SATURDAY
Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Northwest 2 feet at 6 seconds and east 1 foot at
3 seconds.
SATURDAY NIGHT
North winds 5 to 10 knots. Seas around 2 feet
in the evening, then 1 foot or less. Wave Detail: Northeast
1 foot at 3 seconds and west 1 foot at 5 seconds, becoming north
1 foot at 4 seconds. A slight chance of showers after midnight.
SUNDAY
Northwest winds 15 to 20 knots. Seas 2 to 3 feet,
building to 3 to 5 feet, occasionally to 6 feet in the afternoon.
A chance of showers in the morning.
SUNDAY NIGHT
North winds 15 to 20 knots. Seas around 5 feet,
occasionally to 6 feet.
MONDAY
North winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet.
Winds and seas higher in and near thunderstorms.
GMZ853-160215
Coastal waters from Englewood to Tarpon Springs FL out 20 NM
853 AM EST Thu Jan 15 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
North winds 15 to 20 knots, becoming northwest 25 to
30 knots. Seas 4 to 6 feet, occasionally to 8 feet, building to
5 to 8 feet, occasionally to 10 feet this afternoon. Wave Detail:
Northwest 5 feet at 6 seconds, becoming northwest 8 feet at
7 seconds. Bay and inland waters very rough. A chance of showers
with a slight chance of thunderstorms early this morning, then a
chance of showers late this morning and early afternoon.
TONIGHT
North winds 20 to 25 knots with gusts up to 30 knots,
becoming northeast 15 to 20 knots after midnight. Seas 5 to
8 feet, occasionally to 10 feet, subsiding to 4 to 6 feet,
occasionally to 8 feet after midnight. Wave Detail: Northwest
8 feet at 8 seconds and north 1 foot at 5 seconds, becoming
northwest 6 feet at 8 seconds and north 2 feet at 5 seconds. Bay
and inland waters rough.
FRIDAY
Northeast winds 10 to 15 knots, diminishing to around
5 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: West 4 feet at 8 seconds and north 1 foot at
4 seconds. Bay and inland waters a moderate chop.
FRIDAY NIGHT
Northeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: West 2 feet at 7 seconds and north 1 foot at
4 seconds. Bay and inland waters light chop.
SATURDAY
East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: West 2 feet at 6 seconds and east 1 foot at
2 seconds, becoming east 1 foot at 2 seconds and west 1 foot at
6 seconds. Bay and inland waters light chop.
SATURDAY NIGHT
Northeast winds around 5 knots, increasing to
10 to 15 knots after midnight. Seas 1 foot or less, then around
2 feet after midnight. Wave Detail: Northeast 1 foot at 2 seconds
and west 1 foot at 5 seconds, becoming north 1 foot at 4 seconds.
Bay and inland waters a moderate chop. A slight chance of showers
in the evening, then a chance of showers after midnight.
SUNDAY
Northwest winds 15 to 20 knots, becoming north 20 to
25 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet, building to 4 to 6 feet, occasionally to 8 feet in the
afternoon. Bay and inland waters rough. A chance of showers in
the morning.
SUNDAY NIGHT
North winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Bay and inland waters choppy.
MONDAY
North winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Bay and inland waters a moderate chop.
Winds and seas higher in and near thunderstorms.
GMZ873-160215
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM
853 AM EST Thu Jan 15 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
Northwest winds 15 to 20 knots, increasing to 20 to
25 knots late this morning and afternoon. Seas 5 to 7 feet,
occasionally to 9 feet, building to 6 to 9 feet, occasionally to
11 feet this afternoon. Wave Detail: Northwest 6 feet at
6 seconds, becoming northwest 9 feet at 8 seconds. A slight
chance of thunderstorms early this morning. Showers likely this
morning, then a chance of showers early this afternoon.
TONIGHT
North winds 20 to 25 knots, diminishing to 15 to
20 knots after midnight. Seas 7 to 9 feet, occasionally to
11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after
midnight. Wave Detail: Northwest 9 feet at 8 seconds and north
2 feet at 5 seconds, becoming northwest 7 feet at 7 seconds.
FRIDAY
East winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave
Detail: Northwest 5 feet at 8 seconds and north 2 feet at
5 seconds.
FRIDAY NIGHT
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 3 feet at 6 seconds.
SATURDAY
Southeast winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less. Wave Detail: East 1 foot at
3 seconds and west 1 foot at 6 seconds.
SATURDAY NIGHT
East winds 5 to 10 knots, becoming northeast
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:
East 1 foot at 3 seconds and west 1 foot at 6 seconds, becoming
northeast 1 foot at 3 seconds and west 1 foot at 5 seconds. A
slight chance of showers in the evening, then a chance of showers
after midnight.
SUNDAY
Northwest winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet, building to 4 to 6 feet, occasionally to
8 feet in the afternoon. A chance of showers in the morning.
SUNDAY NIGHT
North winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet.
MONDAY
North winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet.
Winds and seas higher in and near thunderstorms.
GMZ850-160215
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM
853 AM EST Thu Jan 15 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
North winds 15 to 20 knots, becoming northwest 20 to
25 knots with gusts up to 30 knots late this morning and
afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Northwest 5 feet at 6 seconds. Bay and inland waters rough. A
chance of showers early this morning, then a slight chance of
showers late this morning.
TONIGHT
Northwest winds 15 to 20 knots, becoming north 10 to
15 knots after midnight. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Northwest 4 feet at 6 seconds. Bay and
inland waters choppy.
FRIDAY
East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 1 to 2 feet. Wave Detail: West 2 feet at
8 seconds and north 1 foot at 3 seconds. Bay and inland waters
light chop.
FRIDAY NIGHT
Southeast winds around 5 knots, increasing to
5 to 10 knots after midnight. Seas 1 to 2 feet. Wave Detail: West
2 feet at 7 seconds and north 1 foot at 3 seconds. Bay and inland
waters light chop.
SATURDAY
Southeast winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at
2 seconds and west 1 foot at 7 seconds. Bay and inland waters
light chop.
SATURDAY NIGHT
West winds around 5 knots, becoming north 10 to
15 knots after midnight. Seas 1 foot or less, then 1 to 2 feet
after midnight. Wave Detail: South 1 foot at 2 seconds and west
1 foot at 6 seconds, becoming northeast 1 foot at 2 seconds and
northwest 1 foot at 5 seconds. Bay and inland waters a moderate
chop. A slight chance of showers in the evening, then a chance of
showers after midnight.
SUNDAY
Northwest winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Bay and inland waters choppy. A chance of
showers in the morning.
SUNDAY NIGHT
North winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Bay and inland waters a moderate chop.
MONDAY
North winds 5 to 10 knots. Seas 1 to 2 feet. Bay and
inland waters light chop.
GMZ870-160215
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM
853 AM EST Thu Jan 15 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
Northwest winds 15 to 20 knots, increasing to 20 to
25 knots late this morning and afternoon. Seas 4 to 6 feet,
occasionally to 8 feet, building to 6 to 8 feet, occasionally to
10 feet this afternoon. Wave Detail: Northwest 6 feet at
6 seconds, becoming northwest 7 feet at 7 seconds. A chance of
showers early this morning, then a slight chance of showers late
this morning.
TONIGHT
Northwest winds 15 to 20 knots, becoming north 10 to
15 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: North 7 feet at 6 seconds.
FRIDAY
East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
West 4 feet at 8 seconds and north 2 feet at 4 seconds.
FRIDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: West 2 feet at 7 seconds and northeast 1 foot at
3 seconds.
SATURDAY
Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 1 foot at 3 seconds and west 1 foot at
6 seconds. A slight chance of showers.
SATURDAY NIGHT
South winds 5 to 10 knots, becoming north 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 3 seconds and west 1 foot at 6 seconds, becoming
northwest 2 feet at 5 seconds and east 1 foot at 3 seconds. A
chance of showers.
SUNDAY
Northwest winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A chance of showers in the morning.
SUNDAY NIGHT
North winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 3 to 5 feet, occasionally to
6 feet.
MONDAY
North winds 5 to 10 knots. Seas 2 to 3 feet.
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