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Shell Mound, FL Coastal Forecast

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Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
1248 PM EST Mon Dec 15 2025

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.

GMZ800-160630-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
1248 PM EST Mon Dec 15 2025

.SYNOPSIS...

Hazardous marine conditions continue today with gusty NE winds.
Winds should begin to diminish overnight tonight, with seas
following suit. Elevated risk of rip currents continue into the
evening as well. The remainder of the week will be quiet with only a
slight interruption Thursday night into Friday as a cold front
moves through bringing a line of showers.

&&

$$

GMZ830-160630-
Tampa Bay waters-
1248 PM EST Mon Dec 15 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.TONIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots with gusts up to 20 knots after midnight. Bay and inland
waters choppy.
.TUESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Bay and inland waters a moderate chop.
.TUESDAY NIGHT...East winds 10 to 15 knots. Bay and inland waters
a moderate chop.
.WEDNESDAY...East winds 5 to 10 knots. Bay and inland waters
light chop.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay and inland
waters light chop.
.THURSDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Bay and inland waters light chop. A slight chance of
showers in the morning, then a chance of showers in the
afternoon.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Bay and inland
waters light chop. A chance of showers.
.FRIDAY...West winds 5 to 10 knots, becoming northwest in the
afternoon. Bay and inland waters light chop.
.FRIDAY NIGHT...North winds 5 to 10 knots, becoming northeast
10 to 15 knots after midnight. Bay and inland waters a moderate
chop.
.SATURDAY...East winds 5 to 10 knots. Bay and inland waters light
chop.

$$

GMZ836-160630-
Charlotte Harbor and Pine Island Sound-
1248 PM EST Mon Dec 15 2025

...Small Craft Exercise Caution...

.TONIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots with gusts up to 20 knots after midnight. Bay and inland
waters choppy.
.TUESDAY...Northeast winds 10 to 15 knots. Bay and inland waters
a moderate chop.
.TUESDAY NIGHT...East winds 10 to 15 knots. Bay and inland waters
a moderate chop.
.WEDNESDAY...East winds 5 to 10 knots. Bay and inland waters
light chop.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay and inland
waters light chop.
.THURSDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Bay and inland waters light chop. A slight chance of
showers in the afternoon.
.THURSDAY NIGHT...South winds around 5 knots. Bay and inland
waters smooth. A chance of showers, mainly in the evening.
.FRIDAY...Northwest winds 5 to 10 knots. Bay and inland waters
light chop.
.FRIDAY NIGHT...North winds 5 to 10 knots, becoming northeast
after midnight. Bay and inland waters light chop.
.SATURDAY...Northeast winds 5 to 10 knots. Bay and inland waters
light chop.

$$

GMZ856-160630-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
1248 PM EST Mon Dec 15 2025

...Small Craft Exercise Caution...

.TONIGHT...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 4 seconds and northwest 2 feet at 8 seconds.
Bay and inland waters choppy.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 2 feet at 3 seconds and north 1 foot at
6 seconds. Bay and inland waters a moderate chop.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Northeast 2 feet at 4 seconds. Bay and inland waters
a moderate chop.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less. Wave Detail: Northeast 2 feet
at 4 seconds, becoming northeast 1 foot at 3 seconds. Bay and
inland waters light chop.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 3 seconds. Bay and inland waters
light chop.
.THURSDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at
3 seconds. Bay and inland waters light chop. A slight chance of
showers in the afternoon.
.THURSDAY NIGHT...South winds around 5 knots. Seas 1 foot or
less. Bay and inland waters smooth. A chance of showers.
.FRIDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Bay
and inland waters light chop.
.FRIDAY NIGHT...North winds around 10 knots. Seas 2 to 3 feet.
Bay and inland waters light chop.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Bay
and inland waters light chop.

$$

GMZ876-160630-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
1248 PM EST Mon Dec 15 2025

...Small Craft Exercise Caution...

.TONIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Northeast 4 feet at 5 seconds and northwest 4 feet at 8 seconds.
.TUESDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
North 3 feet at 6 seconds.
.TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at
5 seconds.
.WEDNESDAY...East winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 5 seconds.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Northeast 2 feet at 4 seconds. A slight chance of
showers after midnight.
.THURSDAY...East winds 10 to 15 knots, becoming southeast 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 5 seconds. A slight chance of showers in the
morning, then a chance of showers in the afternoon.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet
in the evening, then 1 foot or less. A chance of showers.
.FRIDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
.FRIDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY...Northeast winds 10 to 15 knots, becoming east 5 to
10 knots in the afternoon. Seas 2 to 3 feet.

$$

GMZ853-160630-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
1248 PM EST Mon Dec 15 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.TONIGHT...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...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: North 2 feet at 4 seconds. Bay and inland waters a
moderate chop.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: North 2 feet at 4 seconds. Bay and inland waters a
moderate chop.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less. Wave Detail: Northeast 1 foot
at 4 seconds, becoming northeast 1 foot at 3 seconds. Bay and
inland waters light chop.
.WEDNESDAY NIGHT...Northeast winds around 10 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds. Bay and inland waters light chop. A slight chance of
showers after midnight.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds. Bay and inland waters
light chop. A slight chance of showers in the morning, then a
chance of showers in the afternoon.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Bay and inland waters light chop. A chance of showers.
.FRIDAY...West winds 5 to 10 knots, becoming northwest in the
afternoon. Seas 1 foot or less, then around 2 feet in the
afternoon. Bay and inland waters light chop.
.FRIDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet. Bay
and inland waters a moderate chop.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Bay
and inland waters light chop.

$$

GMZ873-160630-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
1248 PM EST Mon Dec 15 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.TONIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
North 5 feet at 7 seconds.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at
5 seconds.
.TUESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at
4 seconds.
.WEDNESDAY...East winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail: East
2 feet at 4 seconds.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, becoming east
after midnight. Seas around 2 feet. Wave Detail: Northeast 2 feet
at 4 seconds. A slight chance of showers after midnight.
.THURSDAY...Southeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 4 seconds. A chance of showers.
.THURSDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas around 2 feet. A chance of showers.
.FRIDAY...Northwest winds 5 to 10 knots, becoming north in the
afternoon. Seas 2 to 3 feet.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet.
.SATURDAY...East winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet.

$$

GMZ850-160630-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
1248 PM EST Mon Dec 15 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.TONIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 2 to 3 feet, subsiding to 1 to
2 feet after midnight. Wave Detail: North 2 feet at 4 seconds.
Bay and inland waters choppy.
.TUESDAY...Northeast winds 5 to 10 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 light chop.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: North 1 foot at 3 seconds. Bay and inland waters
light chop.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 2 seconds. Bay and inland waters
light chop.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Wave Detail: Northeast
1 foot at 2 seconds. Bay and inland waters light chop. A slight
chance of showers after midnight.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 2 seconds. Bay and inland waters
light chop. A slight chance of showers in the morning, then a
chance of showers in the afternoon.
.THURSDAY NIGHT...South winds around 5 knots. Seas 1 foot or
less. Bay and inland waters smooth. A chance of showers.
.FRIDAY...West winds 5 to 10 knots, becoming northwest in the
afternoon. Seas 1 foot or less, then 1 to 2 feet in the
afternoon. Bay and inland waters light chop.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
2 feet. Bay and inland waters light chop.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet in
the morning, then 1 foot or less. Bay and inland waters light
chop.

$$

GMZ870-160630-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
1248 PM EST Mon Dec 15 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.TONIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots, diminishing to 10 to 15 knots late. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 6 seconds.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: North 2 feet at 4 seconds.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots, becoming east
after midnight. Seas around 2 feet. Wave Detail: East 2 feet at
3 seconds and north 1 foot at 3 seconds.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: East 1 foot at
3 seconds, becoming northeast 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less, then around 2 feet after
midnight. Wave Detail: Northeast 1 foot at 3 seconds, becoming
east 1 foot at 3 seconds. A slight chance of showers after
midnight.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 1 foot at 3 seconds. A chance of showers.
.THURSDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 1 foot or less, then around 2 feet after
midnight. A chance of showers.
.FRIDAY...Northwest winds 5 to 10 knots, becoming north in the
afternoon. Seas 2 to 3 feet.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet.

$$


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