National Weather Service Marine Forecast FZUS52 KTBW
FZUS52 KTBW 172000
CWFTBW
Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
300 PM EST Sat Jan 17 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.
GMZ800-180300
Synopsis for the coastal waters from Bonita Beach to Suwannee River
300 PM EST Sat Jan 17 2026
SYNOPSIS
High pressure ridging across the waters from the Atlantic will keep marine conditions below headline criteria tonight. Winds will increase to advisory levels Sunday as the next cold front moves across the waters bringing some showers with it. Small Craft Advisory conditions are expected to gradually end from north to south Sunday night, but a tight pressure gradient will keep winds around Exercise Caution levels at times into midweek, possibly advisory criteria.
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GMZ830-180300
Tampa Bay waters
300 PM EST Sat Jan 17 2026
SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING
TONIGHT
Southwest winds around 5 knots, becoming south 5 to
10 knots after midnight. Bay and inland waters smooth.
SUNDAY
West winds 10 to 15 knots, becoming north 20 to 25 knots
with gusts up to 30 knots by afternoon. Bay and inland waters
rough. Showers likely, mainly in the morning.
SUNDAY NIGHT
North winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Bay and inland waters choppy.
MONDAY
North winds 10 to 15 knots. Bay and inland waters a
moderate chop.
MONDAY NIGHT
North winds 10 to 15 knots. Bay and inland waters
a moderate chop.
TUESDAY
North winds 10 to 15 knots with gusts up to 20 knots.
Bay and inland waters a moderate chop.
TUESDAY NIGHT
Northeast winds 15 to 20 knots. Bay and inland
waters choppy.
WEDNESDAY
Northeast winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. Bay and inland waters a moderate chop.
WEDNESDAY NIGHT
Northeast winds 10 to 15 knots. Bay and inland
waters a moderate chop. A slight chance of showers after
midnight.
THURSDAY
Northeast winds 5 to 10 knots. Bay and inland waters
light chop. A chance of showers. A slight chance of thunderstorms
in the afternoon.
Winds and waves higher in and near thunderstorms.
GMZ836-180300
Charlotte Harbor and Pine Island Sound
300 PM EST Sat Jan 17 2026
SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY NIGHT
TONIGHT
Southwest winds around 5 knots, becoming south after
midnight. Bay and inland waters smooth.
SUNDAY
Southwest winds 10 to 15 knots with gusts up to
20 knots, becoming northwest around 20 knots with gusts up to
30 knots by afternoon. Bay and inland waters choppy. A chance of
showers.
SUNDAY NIGHT
North winds 15 to 20 knots. Bay and inland waters
choppy.
MONDAY
North winds 10 to 15 knots with gusts up to 20 knots.
Bay and inland waters a moderate chop.
MONDAY NIGHT
Northeast winds 10 to 15 knots, becoming north
15 to 20 knots after midnight. Bay and inland waters choppy.
TUESDAY
Northeast winds 15 to 20 knots. Bay and inland waters
choppy.
TUESDAY NIGHT
Northeast winds 15 to 20 knots. Bay and inland
waters choppy.
WEDNESDAY
Northeast winds 10 to 15 knots. Bay and inland
waters a moderate chop.
WEDNESDAY NIGHT
Northeast winds around 10 knots. Bay and
inland waters light chop. A slight chance of showers after
midnight.
THURSDAY
Northeast winds 5 to 10 knots. Bay and inland waters
light chop. A chance of showers.
GMZ856-180300
Coastal waters from Bonita Beach to Englewood FL out 20 NM
300 PM EST Sat Jan 17 2026
SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY MORNING
TONIGHT
South winds around 5 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 6 seconds. Bay and inland waters smooth.
SUNDAY
Southwest winds 10 to 15 knots with gusts up to
20 knots, becoming northwest around 25 knots by afternoon. Seas
around 2 feet, building to 3 to 5 feet, occasionally to 6 feet in
the afternoon. Wave Detail: Southwest 1 foot at 2 seconds and west
1 foot at 6 seconds, becoming northwest 5 feet at 6 seconds and
northwest 1 foot at 3 seconds. Bay and inland waters very rough.
A chance of showers.
SUNDAY NIGHT
North winds 20 to 25 knots, diminishing to 15 to
20 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: North 6 feet at 7 seconds. Bay and inland
waters rough.
MONDAY
North winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northwest 5 feet at 8 seconds
and northeast 2 feet at 4 seconds. Bay and inland waters choppy.
MONDAY NIGHT
Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
Northwest 3 feet at 7 seconds and northeast 2 feet at 4 seconds.
Bay and inland waters choppy.
TUESDAY
North winds 15 to 20 knots with gusts up to 25 knots.
Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: North
3 feet at 5 seconds. Bay and inland waters choppy.
TUESDAY NIGHT
Northeast winds around 20 knots. Seas 2 to
4 feet, occasionally to 5 feet. Bay and inland waters rough.
WEDNESDAY
Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Bay and inland waters choppy.
WEDNESDAY NIGHT
Northeast winds 10 to 15 knots. Seas around
2 feet. Bay and inland waters a moderate chop. A slight chance of
showers after midnight.
THURSDAY
Northeast winds around 10 knots. Seas around 2 feet
in the morning, then 1 foot or less. Bay and inland waters light
chop. A chance of showers.
GMZ876-180300
Waters from Bonita Beach to Englewood FL out 20 to 60 NM
300 PM EST Sat Jan 17 2026
SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY MORNING
TONIGHT
South winds around 5 knots, becoming southwest 5 to
10 knots late. Seas 1 foot or less. Wave Detail: East 1 foot at
3 seconds and west 1 foot at 6 seconds.
SUNDAY
West winds around 15 knots, becoming north 25 to
30 knots by afternoon. Seas 2 to 3 feet, building to 4 to 6 feet,
occasionally to 8 feet in the afternoon. Wave Detail: West 2 feet
at 6 seconds and southwest 1 foot at 3 seconds, becoming
northwest 6 feet at 6 seconds. Showers likely, mainly in the
morning.
SUNDAY NIGHT
North winds 20 to 25 knots, diminishing to 15 to
20 knots after midnight. Seas 7 to 8 feet, occasionally to
10 feet, subsiding to 5 to 7 feet, occasionally to 9 feet after
midnight. Wave Detail: North 7 feet at 7 seconds, becoming
northwest 7 feet at 8 seconds.
MONDAY
North winds 15 to 20 knots with gusts up to 25 knots.
Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northwest
6 feet at 8 seconds and northeast 3 feet at 5 seconds.
MONDAY NIGHT
Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
North 3 feet at 6 seconds.
TUESDAY
Northeast winds around 20 knots with gusts up to
25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
North 5 feet at 6 seconds.
TUESDAY NIGHT
Northeast winds around 20 knots. Seas 4 to
6 feet, occasionally to 8 feet.
WEDNESDAY
Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 4 to 5 feet, occasionally to
6 feet, subsiding to 2 to 4 feet, occasionally to 5 feet in the
afternoon.
WEDNESDAY NIGHT
Northeast winds 10 to 15 knots. Seas 2 to
3 feet. A slight chance of showers after midnight.
THURSDAY
East winds 10 to 15 knots. Seas around 2 feet.
A chance of showers.
GMZ853-180300
Coastal waters from Englewood to Tarpon Springs FL out 20 NM
300 PM EST Sat Jan 17 2026
SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY NIGHT
TONIGHT
South winds around 5 knots, increasing to 5 to
10 knots and becoming southwest late. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 2 seconds and west 1 foot at
6 seconds. Bay and inland waters light chop.
SUNDAY
West winds 15 to 20 knots, becoming north 25 to
30 knots by afternoon. Seas 2 to 4 feet, occasionally to 5 feet,
building to 4 to 6 feet, occasionally to 8 feet in the afternoon.
Wave Detail: West 3 feet at 4 seconds, becoming northwest 6 feet
at 7 seconds. Bay and inland waters very rough. Showers likely,
mainly in the morning.
SUNDAY NIGHT
North winds around 20 knots, diminishing to around
15 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet,
subsiding to 3 to 5 feet, occasionally to 6 feet after midnight.
Wave Detail: Northwest 7 feet at 7 seconds, becoming northwest
5 feet at 8 seconds and north 2 feet at 5 seconds. Bay and inland
waters rough.
MONDAY
North winds around 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northwest
4 feet at 7 seconds and north 2 feet at 4 seconds. Bay and inland
waters a moderate chop.
MONDAY NIGHT
North winds around 15 knots, becoming northeast
15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail:
North 3 feet at 5 seconds. Bay and inland waters choppy.
TUESDAY
Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
North 3 feet at 5 seconds. Bay and inland waters choppy.
TUESDAY NIGHT
Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Bay and
inland waters choppy.
WEDNESDAY
Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Bay and inland waters a moderate chop.
WEDNESDAY NIGHT
Northeast winds 10 to 15 knots. Seas around
2 feet. Bay and inland waters a moderate chop. A slight chance of
showers after midnight.
THURSDAY
Northeast winds around 10 knots. Seas around 2 feet
in the morning, then 1 foot or less. Bay and inland waters light
chop. A chance of showers. A slight chance of thunderstorms in
the afternoon.
Winds and seas higher in and near thunderstorms.
GMZ873-180300
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM
300 PM EST Sat Jan 17 2026
SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY NIGHT
TONIGHT
South winds 5 to 10 knots, becoming southwest 10 to
15 knots late. Seas 1 foot or less, then around 2 feet after
midnight. Wave Detail: Southeast 1 foot at 3 seconds and west
1 foot at 6 seconds, becoming southwest 1 foot at 4 seconds.
A chance of showers late.
SUNDAY
Northwest winds 20 to 25 knots, becoming north 25 to
30 knots by afternoon. Seas 2 to 4 feet, occasionally to 5 feet,
building to 5 to 8 feet, occasionally to 10 feet in the afternoon.
Wave Detail: West 4 feet at 4 seconds, becoming north 8 feet at
7 seconds. Showers likely, mainly in the morning.
SUNDAY NIGHT
North winds around 20 knots, diminishing to around
15 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: North 8 feet at 7 seconds, becoming north
6 feet at 7 seconds.
MONDAY
North winds around 15 knots with gusts up to 20 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North
4 feet at 6 seconds.
MONDAY NIGHT
Northeast winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: North 3 feet at 5 seconds.
TUESDAY
Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Northwest 5 feet at 6 seconds.
TUESDAY NIGHT
Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 5 feet, occasionally to 6 feet.
WEDNESDAY
Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet.
WEDNESDAY NIGHT
Northeast winds 10 to 15 knots. Seas 2 to
3 feet. A slight chance of showers after midnight.
THURSDAY
Northeast winds 10 to 15 knots. Seas around 2 feet.
A chance of showers.
GMZ850-180300
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM
300 PM EST Sat Jan 17 2026
SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING
TONIGHT
South winds around 5 knots, becoming north around
10 knots late. Seas 1 foot or less. Wave Detail: South 1 foot at
3 seconds and west 1 foot at 6 seconds. Bay and inland waters
light chop. A chance of showers late this evening. A slight chance
of showers after midnight, then a chance of showers late.
SUNDAY
North winds 20 to 25 knots with gusts up to 30 knots,
diminishing to 15 to 20 knots late. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: Northwest 4 feet at 6 seconds and south
1 foot at 2 seconds. Bay and inland waters rough. Showers, mainly
in the morning.
SUNDAY NIGHT
North winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: North 3 feet at 5 seconds.
Bay and inland waters a moderate chop.
MONDAY
North winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. Seas 1 to 2 feet. Wave Detail: North
2 feet at 4 seconds. Bay and inland waters a moderate chop.
MONDAY NIGHT
North winds around 10 knots, increasing to 10 to
15 knots overnight. Seas 1 to 2 feet. Wave Detail: North 1 foot
at 4 seconds. Bay and inland waters a moderate chop.
TUESDAY
North winds 10 to 15 knots with gusts up to 20 knots.
Seas around 2 feet. Wave Detail: North 1 foot at 4 seconds. Bay
and inland waters a moderate chop.
TUESDAY NIGHT
Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 2 feet. Bay and inland waters a moderate
chop.
WEDNESDAY
Northeast winds 10 to 15 knots. Seas 1 to 2 feet.
Bay and inland waters a moderate chop.
WEDNESDAY NIGHT
Northeast winds around 10 knots. Seas 1 foot
or less. Bay and inland waters light chop. A slight chance of
showers after midnight.
THURSDAY
Northeast winds 5 to 10 knots. Seas 1 foot or less.
Bay and inland waters light chop. A chance of showers. A slight
chance of thunderstorms in the afternoon.
Winds and seas higher in and near thunderstorms.
GMZ870-180300
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM
300 PM EST Sat Jan 17 2026
SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING
TONIGHT
South winds 5 to 10 knots, becoming north 10 to
15 knots with gusts up to 20 knots late. Seas around 2 feet. Wave
Detail: South 1 foot at 3 seconds and west 1 foot at 6 seconds.
A chance of showers late this evening and early morning. Showers
likely late.
SUNDAY
North winds 25 to 30 knots, diminishing to 20 to
25 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet, building to 5 to 7 feet, occasionally to 9 feet in the
afternoon. Wave Detail: Northwest 5 feet at 5 seconds and east
1 foot at 3 seconds, becoming northwest 7 feet at 7 seconds.
Showers, mainly in the morning.
SUNDAY NIGHT
North winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet, subsiding to 2 to 4 feet, occasionally to 5 feet after
midnight. Wave Detail: North 6 feet at 6 seconds, becoming north
3 feet at 6 seconds.
MONDAY
North winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 2 feet at 5 seconds.
MONDAY NIGHT
North winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: North 2 feet at 3 seconds and northwest 2 feet at
6 seconds.
TUESDAY
North winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: North 3 feet at 5 seconds.
TUESDAY NIGHT
Northeast winds 15 to 20 knots. Seas 2 to
4 feet, occasionally to 5 feet.
WEDNESDAY
Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
WEDNESDAY NIGHT
Northeast winds 10 to 15 knots. Seas around
2 feet. A slight chance of showers after midnight.
THURSDAY
East winds around 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. A chance of showers. A slight
chance of thunderstorms in the afternoon.
Winds and seas higher in and near thunderstorms.
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