National Weather Service Marine Forecast FZUS52 KTBW
FZUS52 KTBW 190035
CWFTBW
Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
735 PM EST Sun Jan 18 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.
GMZ800-191315
Synopsis for the coastal waters from Bonita Beach to Suwannee River
735 PM EST Sun Jan 18 2026
SYNOPSIS
Small Craft Advisory conditions will gradually end from north to south tonight into early Monday, but a tight pressure gradient will keep winds around Exercise Caution levels, possibly Advisory levels at times, through midweek. Another chance of rain arrives Thursday as another frontal system moves across the waters.
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GMZ830-191315
Tampa Bay waters
735 PM EST Sun Jan 18 2026
SMALL CRAFT EXERCISE CAUTION
REST OF TONIGHT
North winds 15 to 20 knots, diminishing to
10 to 15 knots. 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, becoming northeast
15 to 20 knots after midnight. Bay and inland waters choppy.
TUESDAY
Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. 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 10 to 15 knots. Bay and inland
waters a moderate chop. A slight chance of showers after
midnight.
THURSDAY
Northeast winds 10 to 15 knots. Bay and inland waters
a moderate chop. A chance of showers.
THURSDAY NIGHT
Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Bay and inland waters choppy. A
chance of showers in the evening.
FRIDAY
Northeast winds 10 to 15 knots. Bay and inland waters a
moderate chop.
GMZ836-191315
Charlotte Harbor and Pine Island Sound
735 PM EST Sun Jan 18 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST MONDAY
REST OF TONIGHT
North winds around 20 knots, diminishing to 10
to 15 knots. Bay and inland waters choppy.
MONDAY
North winds around 15 knots, diminishing to 10 to
15 knots in the afternoon. Bay and inland waters choppy.
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, diminishing to 10 to
15 knots in the afternoon. 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.
THURSDAY
Northeast winds around 10 knots. Bay and inland
waters light chop. A chance of showers.
THURSDAY NIGHT
Northeast winds 10 to 15 knots. Bay and inland
waters a moderate chop. A chance of showers in the evening.
FRIDAY
Northeast winds 10 to 15 knots. Bay and inland waters a
moderate chop.
GMZ856-191315
Coastal waters from Bonita Beach to Englewood FL out 20 NM
735 PM EST Sun Jan 18 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST MONDAY
REST OF TONIGHT
North winds 20 to 25 knots, diminishing to
15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave
Detail: Northwest 6 feet at 8 seconds and northeast 1 foot at
4 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
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. Wave Detail:
North 3 feet at 5 seconds. Bay and inland waters choppy.
WEDNESDAY
Northeast winds 15 to 20 knots, diminishing to
around 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
North 3 feet at 5 seconds. Bay and inland waters choppy.
WEDNESDAY NIGHT
Northeast winds 10 to 15 knots. Seas around
2 feet. Bay and inland waters a moderate chop.
THURSDAY
Northeast winds around 10 knots, becoming north in
the afternoon. Seas 1 foot or less, then around 2 feet in the
afternoon. Bay and inland waters a moderate chop. A chance of
showers.
THURSDAY NIGHT
Northeast winds 10 to 15 knots. Seas 2 to
3 feet. Bay and inland waters a moderate chop. A chance of
showers in the evening.
FRIDAY
Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Bay and inland
waters a moderate chop.
GMZ876-191315
Waters from Bonita Beach to Englewood FL out 20 to 60 NM
735 PM EST Sun Jan 18 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST MONDAY
REST OF TONIGHT
North winds 20 to 25 knots, diminishing to
15 to 20 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave
Detail: 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 around 4 feet, occasionally to 5 feet. Wave
Detail: North 4 feet at 6 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:
North 4 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. Wave Detail:
North 4 feet at 6 seconds.
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. Wave Detail: North 4 feet at 6 seconds.
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.
THURSDAY NIGHT
Northeast winds around 15 knots. Seas 2 to
3 feet. A chance of showers, mainly in the evening.
FRIDAY
Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet.
GMZ853-191315
Coastal waters from Englewood to Tarpon Springs FL out 20 NM
735 PM EST Sun Jan 18 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST MONDAY
REST OF TONIGHT
North winds 20 to 25 knots, diminishing to
15 to 20 knots late this evening and overnight. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northwest 7 feet at
8 seconds. Bay and inland waters rough.
MONDAY
North winds around 15 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 3 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. Wave Detail:
North 3 feet at 5 seconds. Bay and inland waters choppy.
WEDNESDAY
Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: North 2 feet at 5 seconds. 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, becoming north in
the afternoon. Seas around 2 feet. Bay and inland waters a
moderate chop. A chance of showers.
THURSDAY NIGHT
Northeast winds 15 to 20 knots. Seas 2 to
3 feet. Bay and inland waters choppy. A chance of showers, mainly
in the evening.
FRIDAY
Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Bay
and inland waters a moderate chop.
GMZ873-191315
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM
735 PM EST Sun Jan 18 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST MONDAY
REST OF TONIGHT
North winds around 20 knots. Seas 5 to 8 feet,
occasionally to 10 feet, subsiding to 4 to 6 feet, occasionally
to 8 feet. Wave Detail: Northwest 8 feet at 8 seconds, becoming
northwest 6 feet at 8 seconds and north 2 feet at 5 seconds.
MONDAY
North winds around 15 knots with gusts up to 20 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest
5 feet at 7 seconds and northeast 3 feet at 4 seconds.
MONDAY NIGHT
North 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 5 seconds.
TUESDAY
Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
North 4 feet at 5 seconds.
TUESDAY NIGHT
Northeast winds around 20 knots with gusts up to
25 knots. Seas around 4 feet, occasionally to 5 feet. Wave
Detail: North 4 feet at 6 seconds.
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. Wave Detail: Northeast 4 feet at 5 seconds.
WEDNESDAY NIGHT
Northeast winds 10 to 15 knots. Seas around
2 feet. A slight chance of showers after midnight.
THURSDAY
East winds 10 to 15 knots, becoming north 15 to
20 knots in the afternoon. Seas 2 to 3 feet. A chance of showers.
THURSDAY NIGHT
Northeast winds 15 to 20 knots. Seas 2 to
4 feet, occasionally to 5 feet. A chance of showers, mainly in
the evening.
FRIDAY
Northeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
GMZ850-191315
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM
735 PM EST Sun Jan 18 2026
SMALL CRAFT EXERCISE CAUTION
REST OF TONIGHT
North winds around 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest 3 feet at 6
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 10 to 15 knots. Seas 1 to 2 feet.
Wave Detail: Northwest 2 feet at 6 seconds and north 1 foot at
3 seconds. Bay and inland waters a moderate chop.
TUESDAY
Northeast winds 10 to 15 knots. Seas 1 to 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. Seas 1 to
2 feet. Wave Detail: North 2 feet at 4 seconds. Bay and inland
waters a moderate chop.
WEDNESDAY
Northeast winds 10 to 15 knots. Seas 1 to 2 feet in
the morning, then 1 foot or less. Wave Detail: North 1 foot at
4 seconds, becoming north 1 foot at 3 seconds. 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 10 to 15 knots. Seas 1 foot or less,
then 1 to 2 feet in the afternoon. Bay and inland waters a
moderate chop. A chance of showers.
THURSDAY NIGHT
Northeast winds 10 to 15 knots. Seas around
2 feet. Bay and inland waters a moderate chop. A slight chance of
showers in the evening.
FRIDAY
Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 1 to 2 feet in the morning, then
1 foot or less. Bay and inland waters a moderate chop.
GMZ870-191315
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM
735 PM EST Sun Jan 18 2026
SMALL CRAFT EXERCISE CAUTION
REST OF TONIGHT
North winds 15 to 20 knots, diminishing to
10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet,
subsiding to 3 to 4 feet, occasionally to 5 feet. Wave Detail:
North 6 feet at 6 seconds, becoming north 4 feet at 6 seconds.
MONDAY
North winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: North 3 feet at 5 seconds.
MONDAY NIGHT
North winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Northwest 2 feet at 5 seconds.
TUESDAY
Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave
Detail: North 3 feet at 5 seconds.
TUESDAY NIGHT
Northeast winds 15 to 20 knots. Seas 2 to
3 feet. Wave Detail: North 3 feet at 5 seconds.
WEDNESDAY
Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: North 3 feet at 5 seconds.
WEDNESDAY NIGHT
Northeast winds 10 to 15 knots. Seas around
2 feet. A chance of showers after midnight.
THURSDAY
Northeast winds 10 to 15 knots, becoming north 15 to
20 knots in the afternoon. Seas 2 to 3 feet. A chance of showers.
THURSDAY NIGHT
Northeast winds 15 to 20 knots. Seas 2 to
3 feet. A slight chance of showers in the evening.
FRIDAY
Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
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