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(1/4)
Latest Coastal Waters Forecast by KTBW
Issued 8/20/2026 10:42 AM America/New_York.
Valid through 8/20/2026 11:15 PM America/New_York.
fzus52 ktbw 201442
cwftbw
expires:202608210315;;053523
coastal waters forecast for florida
national weather service tampa bay ruskin fl
1042 am edt thu aug 20 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.
gmz830-210315-
tampa bay waters-
1042 am edt thu aug 20 2026
.this afternoon...west winds 5 to 10 knots. bay and inland waters
light chop. scattered showers and thunderstorms.
.tonight...southwest winds 5 to 10 knots. bay and inland waters
light chop. isolated showers and thunderstorms in the evening.
.friday...southwest winds around 5 knots, becoming west in the
afternoon. bay and inland waters light chop. scattered showers
and thunderstorms.
.friday night...southwest winds 5 to 10 knots. bay and inland
waters light chop. isolated showers and thunderstorms in the
evening, then scattered showers and thunderstorms after midnight.
.saturday...southwest winds 5 to 10 knots. bay and inland waters
light chop. scattered showers and thunderstorms.
.saturday night...southwest winds 5 to 10 knots. bay and inland
waters light chop. scattered showers and thunderstorms, mainly in
the evening.
.sunday...southwest winds 5 to 10 knots. bay and inland waters
light chop. scattered showers and thunderstorms.
.sunday night...southwest winds 5 to 10 knots. bay and inland
waters light chop. isolated showers and thunderstorms.
.monday...southwest winds 5 to 10 knots. bay and inland waters
light chop. isolated showers and thunderstorms in the morning,
then scattered showers and thunderstorms in the afternoon.
winds and waves higher in and near thunderstorms.
$$
(2/4)
Latest Coastal Waters Forecast by KTBW
Issued 8/20/2026 10:42 AM America/New_York.
Valid through 8/20/2026 11:15 PM America/New_York.
fzus52 ktbw 201442
cwftbw
expires:202608210315;;053527
coastal waters forecast for florida
national weather service tampa bay ruskin fl
1042 am edt thu aug 20 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.
gmz853-210315-
coastal waters from englewood to tarpon springs fl out 20 nm-
1042 am edt thu aug 20 2026
.this afternoon...northwest winds 5 to 10 knots. seas around
2 feet. wave detail: northwest 2 feet at 5 seconds. bay and
inland waters light chop. scattered showers and thunderstorms
late this morning and early afternoon, then isolated showers and
thunderstorms late.
.tonight...west winds 5 to 10 knots. seas 1 foot or less. wave
detail: northwest 1 foot at 5 seconds. bay and inland waters
light chop. isolated showers and thunderstorms after midnight.
.friday...west winds 5 to 10 knots. seas 1 foot or less. wave
detail: west 1 foot at 4 seconds. bay and inland waters light
chop. scattered showers and thunderstorms.
.friday night...southwest winds 5 to 10 knots. seas 1 foot or
less. wave detail: west 1 foot at 4 seconds. bay and inland
waters light chop. isolated showers and thunderstorms in the
evening, then scattered showers and thunderstorms after midnight.
.saturday...southwest winds 5 to 10 knots. seas 1 foot or less.
wave detail: southwest 1 foot at 4 seconds. bay and inland waters
light chop. scattered showers and thunderstorms.
.saturday night...southwest winds 5 to 10 knots. seas 1 foot or
less. wave detail: southwest 1 foot at 4 seconds. bay and inland
waters light chop. isolated showers and thunderstorms.
.sunday...southwest winds 5 to 10 knots. seas 1 foot or less. bay
and inland waters light chop. scattered showers and
thunderstorms.
.sunday night...southwest winds 5 to 10 knots. seas 1 foot or
less. bay and inland waters light chop. isolated showers and
thunderstorms.
.monday...southwest winds around 5 knots. seas 1 foot or less.
bay and inland waters smooth. isolated showers and thunderstorms.
winds and seas higher in and near thunderstorms.
$$
(3/4)
Latest Coastal Waters Forecast by KTBW
Issued 8/20/2026 10:42 AM America/New_York.
Valid through 8/20/2026 11:15 PM America/New_York.
fzus52 ktbw 201442
cwftbw
expires:202608210315;;053530
coastal waters forecast for florida
national weather service tampa bay ruskin fl
1042 am edt thu aug 20 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.
gmz870-210315-
waters from tarpon springs to suwannee river fl out 20 to 60 nm-
1042 am edt thu aug 20 2026
.this afternoon...northwest winds 5 to 10 knots. seas around
2 feet. wave detail: west 2 feet at 5 seconds. scattered showers
and thunderstorms late this morning and early afternoon.
.tonight...west winds around 5 knots. seas 1 foot or less. wave
detail: west 1 foot at 5 seconds. isolated showers and
thunderstorms in the evening, then scattered showers and
thunderstorms after midnight.
.friday...west winds around 5 knots. seas 1 foot or less. wave
detail: west 1 foot at 4 seconds. scattered showers and
thunderstorms.
.friday night...southwest winds 5 to 10 knots. seas 1 foot or
less. wave detail: west 1 foot at 4 seconds. isolated showers and
thunderstorms in the evening, then numerous showers and scattered
thunderstorms after midnight.
.saturday...southwest winds 5 to 10 knots. seas 1 foot or less,
then around 2 feet in the afternoon. wave detail: west 1 foot at
4 seconds, becoming southwest 1 foot at 3 seconds. numerous
showers and scattered thunderstorms.
.saturday night...southwest winds around 10 knots. seas around
2 feet. wave detail: southwest 1 foot at 4 seconds. scattered
thunderstorms. scattered showers in the evening, then numerous
showers after midnight.
.sunday...southwest winds 5 to 10 knots. seas around 2 feet in
the morning, then 1 foot or less. numerous showers and scattered
thunderstorms.
.sunday night...southwest winds 5 to 10 knots. seas 1 foot or
less. isolated showers and thunderstorms.
.monday...southwest winds around 5 knots. seas 1 foot or less.
isolated showers and thunderstorms.
winds and seas higher in and near thunderstorms.
$$
(4/4)
Latest Coastal Waters Forecast by KTBW
Issued 8/20/2026 10:42 AM America/New_York.
Valid through 8/20/2026 11:15 PM America/New_York.
fzus52 ktbw 201442
cwftbw
expires:202608210315;;053528
coastal waters forecast for florida
national weather service tampa bay ruskin fl
1042 am edt thu aug 20 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.
gmz873-210315-
waters from englewood to tarpon springs fl out 20 to 60 nm-
1042 am edt thu aug 20 2026
.this afternoon...northwest winds 5 to 10 knots. seas around
2 feet. wave detail: northwest 2 feet at 5 seconds. scattered
showers and thunderstorms early, then isolated showers and
thunderstorms early.
.tonight...west winds around 5 knots. seas 1 foot or less. wave
detail: northwest 1 foot at 5 seconds. isolated showers and
thunderstorms after midnight.
.friday...west winds around 5 knots. seas 1 foot or less. wave
detail: northwest 1 foot at 4 seconds. scattered showers and
thunderstorms, mainly in the morning.
.friday night...southwest winds 5 to 10 knots. seas 1 foot or
less. wave detail: west 1 foot at 4 seconds. isolated showers and
thunderstorms after midnight.
.saturday...southwest winds 5 to 10 knots. seas 1 foot or less.
wave detail: southwest 1 foot at 4 seconds. scattered showers and
thunderstorms.
.saturday night...southwest winds 5 to 10 knots. seas 1 foot or
less. wave detail: southwest 1 foot at 4 seconds. isolated
showers and thunderstorms in the evening, then scattered showers
and thunderstorms after midnight.
.sunday...southwest winds 5 to 10 knots. seas 1 foot or less.
scattered showers and thunderstorms.
.sunday night...southwest winds around 5 knots. seas 1 foot or
less. isolated showers and thunderstorms.
.monday...southwest winds around 5 knots. seas 1 foot or less.
isolated showers and thunderstorms.
winds and seas higher in and near thunderstorms.
$$
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