(1/4)
Latest Coastal Waters Forecast by KTBW
Issued 4/21/2026 9:42 AM America/New_York.
Valid through 4/21/2026 10:15 PM America/New_York.
fzus52 ktbw 211342
cwftbw
expires:202604220215;;746293
coastal waters forecast for florida
national weather service tampa bay ruskin fl
942 am edt tue apr 21 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.
gmz830-220215-
tampa bay waters-
942 am edt tue apr 21 2026
...small craft advisory in effect through wednesday morning...
.today...northeast winds 15 to 20 knots. bay and inland waters
choppy.
.tonight...east winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. bay and inland waters choppy.
.wednesday...east winds 5 to 10 knots. bay and inland waters
light chop.
.wednesday night...east winds 10 to 15 knots. bay and inland
waters a moderate chop.
.thursday...east winds 5 to 10 knots, becoming southeast in the
afternoon. bay and inland waters light chop.
.thursday night...north winds 5 to 10 knots, becoming east after
midnight. bay and inland waters light chop.
.friday...southeast winds 5 to 10 knots, becoming southwest in
the afternoon. bay and inland waters light chop.
.friday night...northwest winds 5 to 10 knots, becoming east
after midnight. bay and inland waters light chop.
.saturday...southeast winds around 5 knots, becoming southwest in
the afternoon. bay and inland waters light chop.
$$
(2/4)
Latest Coastal Waters Forecast by KTBW
Issued 4/21/2026 9:42 AM America/New_York.
Valid through 4/21/2026 10:15 PM America/New_York.
fzus52 ktbw 211342
cwftbw
expires:202604220215;;746297
coastal waters forecast for florida
national weather service tampa bay ruskin fl
942 am edt tue apr 21 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.
gmz853-220215-
coastal waters from englewood to tarpon springs fl out 20 nm-
942 am edt tue apr 21 2026
...small craft advisory in effect through wednesday morning...
.today...northeast winds 15 to 20 knots with gusts up to
25 knots. seas 2 to 4 feet, occasionally to 5 feet. wave detail:
northeast 3 feet at 5 seconds. bay and inland waters choppy.
.tonight...east winds 15 to 20 knots with gusts up to 25 knots.
seas 2 to 3 feet. wave detail: east 3 feet at 4 seconds and north
1 foot at 4 seconds. bay and inland waters choppy.
.wednesday...east winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. seas 2 to 3 feet. wave detail: east
2 feet at 4 seconds. bay and inland waters a moderate chop.
.wednesday night...north winds 10 to 15 knots, becoming east
after midnight. seas around 2 feet. wave detail: southeast 2 feet
at 4 seconds and northwest 1 foot at 3 seconds. bay and inland
waters a moderate chop.
.thursday...east winds around 10 knots, becoming south in the
afternoon. seas around 2 feet. wave detail: southeast 2 feet at
5 seconds. bay and inland waters light chop.
.thursday night...north winds 5 to 10 knots, becoming east after
midnight. seas 1 foot or less. wave detail: east 1 foot at
2 seconds and west 1 foot at 4 seconds. bay and inland waters
light chop.
.friday...southeast winds around 10 knots, becoming southwest in
the afternoon. seas around 2 feet in the morning, then 1 foot or
less. bay and inland waters light chop.
.friday night...northwest winds 5 to 10 knots, becoming east
after midnight. seas 1 foot or less. bay and inland waters light
chop.
.saturday...southeast winds around 5 knots, becoming southwest in
the afternoon. seas 1 foot or less. bay and inland waters light
chop.
$$
(3/4)
Latest Coastal Waters Forecast by KTBW
Issued 4/21/2026 9:42 AM America/New_York.
Valid through 4/21/2026 10:15 PM America/New_York.
fzus52 ktbw 211342
cwftbw
expires:202604220215;;746300
coastal waters forecast for florida
national weather service tampa bay ruskin fl
942 am edt tue apr 21 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.
gmz870-220215-
waters from tarpon springs to suwannee river fl out 20 to 60 nm-
942 am edt tue apr 21 2026
.today...east winds 15 to 20 knots, diminishing to 10 to 15 knots
with gusts up to 20 knots late this morning and early afternoon,
then becoming north late. seas 2 to 4 feet, occasionally to
5 feet. wave detail: east 3 feet at 4 seconds.
.tonight...northeast winds 10 to 15 knots, becoming southeast
after midnight. seas 2 to 3 feet. wave detail: east 2 feet at
4 seconds.
.wednesday...southeast winds 10 to 15 knots, becoming east 5 to
10 knots in the afternoon. seas 2 to 3 feet. wave detail:
southeast 2 feet at 5 seconds.
.wednesday night...north winds 5 to 10 knots, becoming east 10 to
15 knots after midnight. seas around 2 feet. wave detail: east
1 foot at 4 seconds.
.thursday...southeast winds 5 to 10 knots. seas around 2 feet.
wave detail: southeast 1 foot at 3 seconds and southeast 1 foot
at 6 seconds.
.thursday night...north winds around 5 knots, becoming east after
midnight. seas around 2 feet. wave detail: southeast 1 foot at
4 seconds.
.friday...southeast winds around 10 knots, becoming south in the
afternoon. seas around 2 feet.
.friday night...west winds around 5 knots, becoming southeast
after midnight. seas 1 foot or less.
.saturday...south winds around 5 knots. seas 1 foot or less. a
slight chance of showers in the afternoon.
$$
(4/4)
Latest Coastal Waters Forecast by KTBW
Issued 4/21/2026 9:42 AM America/New_York.
Valid through 4/21/2026 10:15 PM America/New_York.
fzus52 ktbw 211342
cwftbw
expires:202604220215;;746298
coastal waters forecast for florida
national weather service tampa bay ruskin fl
942 am edt tue apr 21 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.
gmz873-220215-
waters from englewood to tarpon springs fl out 20 to 60 nm-
942 am edt tue apr 21 2026
...small craft advisory in effect through wednesday morning...
.today...northeast winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: northeast 4 feet at
5 seconds.
.tonight...east winds 15 to 20 knots with gusts up to 25 knots.
seas 2 to 4 feet, occasionally to 5 feet. wave detail: east
4 feet at 5 seconds.
.wednesday...east winds 10 to 15 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 5 seconds.
.wednesday night...northeast winds 5 to 10 knots, becoming east
10 to 15 knots with gusts up to 20 knots after midnight. seas
2 to 3 feet. wave detail: east 2 feet at 3 seconds and southeast
2 feet at 6 seconds.
.thursday...southeast winds 10 to 15 knots. seas 2 to 3 feet.
wave detail: southeast 2 feet at 5 seconds.
.thursday night...east winds 5 to 10 knots. seas around 2 feet.
wave detail: southeast 2 feet at 5 seconds.
.friday...southeast winds 5 to 10 knots. seas around 2 feet.
.friday night...west winds around 5 knots, becoming east after
midnight. seas around 2 feet.
.saturday...southeast winds 5 to 10 knots, becoming south in the
afternoon. seas 1 foot or less.
$$
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