National Weather Service Marine Forecast FZUS52 KTBW
FZUS52 KTBW 200034
CWFTBW
Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
734 PM EST Thu Feb 19 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.
GMZ800-201330
Synopsis for the coastal waters from Bonita Beach to Suwannee River
734 PM EST Thu Feb 19 2026
SYNOPSIS
Quiet marine conditions for the next couple of days. Areas of sea fog will be possible tonight and early Friday, mainly across the northern and central waters. A cold front will move across the waters on Sunday, brining a line of showers and possible thunderstorms late Saturday night into Sunday. Winds and seas will increase in the wake of the front likely reaching advisory levels on Sunday and Monday. Winds will begin to subside on Tuesday, however hazardous seas will likely persist.
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GMZ830-201330
Tampa Bay waters
734 PM EST Thu Feb 19 2026
TONIGHT
South winds 5 to 10 knots. Bay and inland waters light
chop. Patchy fog late this evening and early morning. Areas of
fog late.
FRIDAY
South winds 5 to 10 knots. Bay and inland waters light
chop. Areas of fog in the morning.
FRIDAY NIGHT
Southwest winds 5 to 10 knots. Bay and inland
waters light chop. Patchy fog.
SATURDAY
South winds 5 to 10 knots, becoming southwest in the
afternoon. Bay and inland waters light chop. Patchy fog in the
morning.
SATURDAY NIGHT
Southwest winds 5 to 10 knots. Bay and inland
waters light chop.
SUNDAY
West winds 10 to 15 knots, becoming northwest 15 to
20 knots in the afternoon. Bay and inland waters choppy. A chance
of showers. A slight chance of thunderstorms in the afternoon.
SUNDAY NIGHT
North winds 25 to 30 knots. Waves 2 to 3 feet.
Bay and inland waters very rough.
MONDAY
North winds 20 to 25 knots, becoming northwest 15 to
20 knots in the afternoon. Waves 2 to 3 feet. Bay and inland
waters rough.
MONDAY NIGHT
North winds 20 to 25 knots. Bay and inland waters
rough.
TUESDAY
North winds 15 to 20 knots, diminishing to 5 to
10 knots in the afternoon. Bay and inland waters choppy.
Winds and waves higher in and near thunderstorms.
GMZ836-201330
Charlotte Harbor and Pine Island Sound
734 PM EST Thu Feb 19 2026
TONIGHT
South winds around 5 knots. Bay and inland waters
smooth. Patchy fog late this evening and overnight.
FRIDAY
South winds 5 to 10 knots. Bay and inland waters light
chop. Patchy fog in the morning.
FRIDAY NIGHT
Southwest winds around 5 knots, becoming
southeast around 5 knots after midnight. Bay and inland waters
smooth. Patchy fog.
SATURDAY
Southeast winds around 5 knots, becoming southwest in
the afternoon. Bay and inland waters light chop. Patchy fog in
the morning.
SATURDAY NIGHT
West winds around 5 knots. Bay and inland
waters smooth.
SUNDAY
West winds 5 to 10 knots, becoming northwest 15 to
20 knots with gusts up to 25 knots in the afternoon. Bay and
inland waters choppy. A slight chance of showers in the morning,
then a chance of showers with a slight chance of thunderstorms in
the afternoon.
SUNDAY NIGHT
North winds 20 to 25 knots. Bay and inland waters
rough.
MONDAY
North winds 20 to 25 knots. Bay and inland waters
rough.
MONDAY NIGHT
North winds 20 to 25 knots, diminishing to 15 to
20 knots after midnight. Bay and inland waters rough.
TUESDAY
North winds 15 to 20 knots, becoming northwest around
10 knots in the afternoon. Bay and inland waters choppy.
Winds and waves higher in and near thunderstorms.
GMZ856-201330
Coastal waters from Bonita Beach to Englewood FL out 20 NM
734 PM EST Thu Feb 19 2026
TONIGHT
South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. Bay and inland waters light
chop. Patchy fog late this evening and overnight.
FRIDAY
South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 5 seconds. Bay and inland waters
light chop. Patchy fog.
FRIDAY NIGHT
South winds 5 to 10 knots, becoming southeast
after midnight. Seas 1 foot or less, then around 2 feet after
midnight. Wave Detail: South 1 foot at 5 seconds. Bay and inland
waters light chop. Patchy fog.
SATURDAY
Southeast winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet. Wave Detail: South 1 foot at
5 seconds. Bay and inland waters light chop. Patchy fog in the
morning.
SATURDAY NIGHT
West winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 4 seconds. Bay and inland waters
smooth.
SUNDAY
West winds 5 to 10 knots, becoming northwest 20 to
25 knots with gusts up to 30 knots in the afternoon. Seas 2 to
4 feet, occasionally to 5 feet. Wave Detail: Northwest 4 feet at
6 seconds and west 2 feet at 3 seconds. Bay and inland waters
rough. A chance of showers. A slight chance of thunderstorms in
the afternoon.
SUNDAY NIGHT
North winds 25 to 30 knots. Seas 5 to 8 feet,
occasionally to 10 feet. Bay and inland waters very rough.
MONDAY
North winds 25 to 30 knots, becoming northwest 20 to
25 knots in the afternoon. Seas 5 to 8 feet, occasionally to
10 feet. Bay and inland waters very rough.
MONDAY NIGHT
North winds 20 to 25 knots. Seas 5 to 8 feet,
occasionally to 10 feet. Bay and inland waters rough.
TUESDAY
North winds 20 to 25 knots, diminishing to 10 to
15 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Bay and inland waters rough.
Winds and seas higher in and near thunderstorms.
GMZ876-201330
Waters from Bonita Beach to Englewood FL out 20 to 60 NM
734 PM EST Thu Feb 19 2026
TONIGHT
South winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: South 1 foot at
4 seconds, becoming southwest 1 foot at 5 seconds. Patchy fog
late.
FRIDAY
South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 5 seconds. Patchy fog.
FRIDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds. Patchy fog.
SATURDAY
Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds. Patchy fog in the
morning.
SATURDAY NIGHT
Southwest winds around 5 knots. Seas around
2 feet. Wave Detail: South 2 feet at 4 seconds.
SUNDAY
West winds 10 to 15 knots with gusts up to 20 knots,
becoming northwest 20 to 25 knots with gusts up to 30 knots in
the afternoon. Seas around 2 feet, building to 3 to 5 feet,
occasionally to 6 feet in the afternoon. Wave Detail: Southwest
1 foot at 3 seconds and southwest 1 foot at 6 seconds, becoming
west 5 feet at 6 seconds and west 2 feet at 3 seconds. A chance
of showers. A slight chance of thunderstorms in the afternoon.
SUNDAY NIGHT
North winds 25 to 30 knots. Seas 5 to 8 feet,
occasionally to 10 feet, building to 8 to 10 feet, occasionally
to 13 feet after midnight.
MONDAY
North winds around 25 knots. Seas 8 to 10 feet,
occasionally to 13 feet.
MONDAY NIGHT
North winds 20 to 25 knots. Seas 7 to 9 feet,
occasionally to 11 feet.
TUESDAY
North winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet.
Winds and seas higher in and near thunderstorms.
GMZ853-201330
Coastal waters from Englewood to Tarpon Springs FL out 20 NM
734 PM EST Thu Feb 19 2026
TONIGHT
South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 5 seconds. Bay and inland waters
light chop. Patchy fog late this evening and overnight.
FRIDAY
South winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 5 seconds. Bay and inland waters
light chop. Patchy fog.
FRIDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds. Bay and inland waters
light chop. Patchy fog.
SATURDAY
South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 7 seconds and south 1 foot at
2 seconds. Bay and inland waters light chop. Patchy fog in the
morning.
SATURDAY NIGHT
Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southwest 2 feet at 6 seconds. Bay and
inland waters light chop. A slight chance of showers and
thunderstorms after midnight.
SUNDAY
West winds 15 to 20 knots, becoming northwest 25 to
30 knots in the afternoon. Seas 2 to 3 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 6 seconds
and northwest 2 feet at 3 seconds. Bay and inland waters very
rough. A chance of showers. A slight chance of thunderstorms in
the afternoon.
SUNDAY NIGHT
North winds 25 to 30 knots. Seas 6 to 9 feet,
occasionally to 11 feet. Bay and inland waters very rough.
MONDAY
North winds 25 to 30 knots, becoming northwest 20 to
25 knots in the afternoon. Seas 5 to 8 feet, occasionally to
10 feet. Bay and inland waters very rough.
MONDAY NIGHT
North winds 20 to 25 knots. Seas 5 to 8 feet,
occasionally to 10 feet. Bay and inland waters rough.
TUESDAY
North winds 15 to 20 knots, diminishing to 10 to
15 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.
Winds and seas higher in and near thunderstorms.
GMZ873-201330
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM
734 PM EST Thu Feb 19 2026
TONIGHT
South winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 5 seconds. Patchy fog late this
evening and overnight.
FRIDAY
South winds around 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. Patchy fog.
FRIDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds. Patchy fog.
SATURDAY
South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 6 seconds. Patchy fog in the morning.
SATURDAY NIGHT
Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 6 seconds and southwest
1 foot at 3 seconds. A slight chance of showers and
thunderstorms.
SUNDAY
West winds 15 to 20 knots, becoming northwest 20 to
25 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet, building to 5 to 7 feet, occasionally to 9 feet in the
afternoon. Wave Detail: Southwest 4 feet at 6 seconds and west
2 feet at 3 seconds, becoming northwest 7 feet at 7 seconds.
Showers likely in the morning, then a chance of showers with a
slight chance of thunderstorms in the afternoon.
SUNDAY NIGHT
North winds 25 to 30 knots. Seas 7 to 9 feet,
occasionally to 11 feet, building to 9 to 10 feet, occasionally
to 13 feet after midnight.
MONDAY
North winds 20 to 25 knots. Seas 7 to 10 feet,
occasionally to 13 feet.
MONDAY NIGHT
North winds 20 to 25 knots. Seas 6 to 8 feet,
occasionally to 10 feet.
TUESDAY
North 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.
Winds and seas higher in and near thunderstorms.
GMZ850-201330
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM
734 PM EST Thu Feb 19 2026
TONIGHT
South winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 5 seconds. Bay and inland waters a
moderate chop. Areas of fog late this evening and overnight.
FRIDAY
South winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 5 seconds. Bay and inland waters
light chop. Areas of fog in the morning, then patchy fog in the
afternoon.
FRIDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 4 seconds. Bay and inland waters
light chop. Patchy fog. A slight chance of showers after
midnight.
SATURDAY
South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 6 seconds and south 1 foot at
2 seconds. Bay and inland waters light chop. Patchy fog in the
morning. A slight chance of showers.
SATURDAY NIGHT
Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southwest 2 feet at 6 seconds and southwest
1 foot at 3 seconds. Bay and inland waters light chop. A slight
chance of thunderstorms. A slight chance of showers in the
evening, then a chance of showers after midnight.
SUNDAY
West winds 15 to 20 knots, becoming northwest 20 to
25 knots with gusts up to 30 knots in the afternoon. Seas 2 to
4 feet, occasionally to 5 feet. Wave Detail: Northwest 4 feet at
6 seconds and west 2 feet at 3 seconds. Bay and inland waters
rough. A chance of showers in the morning.
SUNDAY NIGHT
North winds 20 to 25 knots with gusts up to
30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Bay and
inland waters rough.
MONDAY
Northwest winds 20 to 25 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Bay and inland waters rough.
MONDAY NIGHT
North winds 20 to 25 knots, diminishing to 15 to
20 knots after midnight. Seas 2 to 4 feet, occasionally to
5 feet. Bay and inland waters rough.
TUESDAY
North winds 15 to 20 knots, becoming northwest 5 to
10 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Bay and inland waters choppy.
Winds and seas higher in and near thunderstorms.
GMZ870-201330
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM
734 PM EST Thu Feb 19 2026
TONIGHT
South winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 5 seconds. Areas of fog late this
evening and overnight.
FRIDAY
South winds around 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. Areas of fog in the morning,
then patchy fog in the afternoon.
FRIDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 6 seconds. A slight chance of
showers. Patchy fog.
SATURDAY
South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southwest 3 feet at 7 seconds. Patchy fog in the morning.
A slight chance of showers.
SATURDAY NIGHT
Southwest winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: West 2 feet at 3 seconds and southwest
2 feet at 6 seconds. A slight chance of thunderstorms. A chance
of showers in the evening, then showers likely after midnight.
SUNDAY
Northwest winds 20 to 25 knots with gusts up to
30 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to
5 to 7 feet, occasionally to 9 feet in the afternoon. Wave
Detail: West 5 feet at 5 seconds, becoming northwest 6 feet at
6 seconds. A chance of showers in the morning.
SUNDAY NIGHT
North winds around 25 knots with gusts up to
30 knots. Seas 6 to 8 feet, occasionally to 10 feet.
MONDAY
North winds 20 to 25 knots. Seas 5 to 8 feet,
occasionally to 10 feet.
MONDAY NIGHT
North winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 9 feet.
TUESDAY
North winds 15 to 20 knots, diminishing to 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.
Winds and seas higher in and near thunderstorms.
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