Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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FZUS52 KTBW 111339
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
939 AM EDT Tue Mar 11 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.

GMZ800-120215-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
939 AM EDT Tue Mar 11 2025

.SYNOPSIS...

Gusty west to northwesterly winds and seas 6 to 9 feet will continue
to bring hazardous marine conditions tonight and Tuesday. Small
Craft Advisory remains in effect so inexperienced mariners,
especially those operating smaller vessels, should avoid
navigating in hazardous conditions. Maritime conditions should
gradually improve later on Tuesday. Then, quieter weather
returns for the remainder for the next few days.

&&

$$

GMZ830-120215-
Tampa Bay waters-
939 AM EDT Tue Mar 11 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northwest winds around 10 knots. Bay and inland
waters light chop.
.TONIGHT...Northwest winds 5 to 10 knots. Bay and inland waters
light chop.
.WEDNESDAY...North winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop.
.WEDNESDAY NIGHT...West winds around 5 knots, becoming north
after midnight. Bay and inland waters smooth.
.THURSDAY...Southeast winds around 5 knots, becoming southwest in
the afternoon. Bay and inland waters light chop.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming south
after midnight. Bay and inland waters light chop.
.FRIDAY...Southeast winds around 5 knots, becoming south in the
afternoon. Bay and inland waters light chop.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming southeast
after midnight. Bay and inland waters light chop.
.SATURDAY...South winds 15 to 20 knots. Bay and inland waters
choppy.

$$

GMZ836-120215-
Charlotte Harbor and Pine Island Sound-
939 AM EDT Tue Mar 11 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northwest winds 10 to 15 knots. Bay and inland
waters a moderate chop.
.TONIGHT...Northwest winds 10 to 15 knots, becoming north 5 to
10 knots after midnight. Bay and inland waters a moderate chop.
.WEDNESDAY...North winds around 5 knots, becoming west in the
afternoon. Bay and inland waters light chop.
.WEDNESDAY NIGHT...West winds 5 to 10 knots, becoming northeast
after midnight. Bay and inland waters light chop.
.THURSDAY...Southeast winds around 5 knots, becoming south in the
afternoon. Bay and inland waters light chop.
.THURSDAY NIGHT...Southwest winds around 5 knots. Bay and inland
waters smooth.
.FRIDAY...South winds 5 to 10 knots. Bay and inland waters light
chop.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming southeast
after midnight. Bay and inland waters light chop.
.SATURDAY...Southeast winds 10 to 15 knots. Bay and inland waters
a moderate chop.

$$

GMZ856-120215-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
939 AM EDT Tue Mar 11 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northwest winds 10 to 15 knots. Seas 5 to
7 feet, occasionally to 9 feet. Wave Detail: West 5 feet at
9 seconds. Bay and inland waters a moderate chop.
.TONIGHT...Northwest winds 10 to 15 knots, becoming north 5 to
10 knots after midnight. Seas 3 to 5 feet, occasionally to
6 feet, subsiding to 2 to 3 feet after midnight. Wave Detail:
West 4 feet at 8 seconds, becoming west 3 feet at 8 seconds. Bay
and inland waters a moderate chop.
.WEDNESDAY...North winds 5 to 10 knots, becoming northwest in the
afternoon. Seas 2 to 3 feet. Wave Detail: West 3 feet at
7 seconds. Bay and inland waters light chop.
.WEDNESDAY NIGHT...Northwest winds around 5 knots, becoming east
after midnight. Seas around 2 feet in the evening, then 1 foot or
less. Wave Detail: West 2 feet at 6 seconds, becoming west 1 foot
at 6 seconds. Bay and inland waters smooth.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 3 seconds and west 1 foot at
6 seconds. Bay and inland waters light chop.
.THURSDAY NIGHT...South winds around 5 knots. Seas 1 foot or
less. Wave Detail: South 1 foot at 4 seconds and west 1 foot at
5 seconds. Bay and inland waters smooth.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Bay
and inland waters light chop.
.FRIDAY NIGHT...South winds around 5 knots, becoming southeast
10 to 15 knots after midnight. Seas 1 foot or less. Bay and
inland waters a moderate chop.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 2 to 3 feet. Bay
and inland waters choppy.

$$

GMZ876-120215-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
939 AM EDT Tue Mar 11 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.REST OF TODAY...North winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northwest 6 feet at
9 seconds.
.TONIGHT...Northwest winds 5 to 10 knots. Seas 4 to 6 feet,
occasionally to 8 feet, subsiding to 3 to 4 feet, occasionally to
5 feet after midnight. Wave Detail: Northwest 5 feet at
8 seconds, becoming northwest 4 feet at 8 seconds.
.WEDNESDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 2 to 3 feet. Wave Detail: West 3 feet at
7 seconds.
.WEDNESDAY NIGHT...North winds around 5 knots, becoming southeast
after midnight. Seas around 2 feet. Wave Detail: West 2 feet at
6 seconds.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 3 seconds and west 1 foot at
6 seconds.
.THURSDAY NIGHT...South winds around 5 knots. Seas 1 foot or
less. Wave Detail: South 1 foot at 4 seconds and west 1 foot at
5 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southeast
10 to 15 knots after midnight. Seas 1 foot or less, then around
2 feet after midnight.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet.

$$

GMZ853-120215-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
939 AM EDT Tue Mar 11 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northwest winds 10 to 15 knots. Seas 5 to
7 feet, occasionally to 9 feet. Wave Detail: West 5 feet at
9 seconds. Bay and inland waters a moderate chop.
.TONIGHT...Northwest winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet, subsiding to 2 to 3 feet after midnight.
Wave Detail: West 4 feet at 8 seconds and northwest 1 foot at
3 seconds, becoming west 3 feet at 8 seconds and north 1 foot at
4 seconds. Bay and inland waters light chop.
.WEDNESDAY...Northwest winds around 5 knots. Seas 2 to 3 feet.
Wave Detail: West 2 feet at 7 seconds and north 1 foot at
4 seconds. Bay and inland waters smooth.
.WEDNESDAY NIGHT...West winds around 5 knots. Seas around 2 feet
in the evening, then 1 foot or less. Wave Detail: West 2 feet at
6 seconds, becoming west 1 foot at 6 seconds. Bay and inland
waters smooth.
.THURSDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 2 seconds and west 1 foot at 5 seconds.
Bay and inland waters light chop.
.THURSDAY NIGHT...South winds around 5 knots. Seas 1 foot or
less. Wave Detail: South 1 foot at 2 seconds and west 1 foot at
5 seconds. Bay and inland waters smooth.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Bay
and inland waters light chop.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southeast
10 to 15 knots after midnight. Seas 1 foot or less, then around
2 feet after midnight. Bay and inland waters a moderate chop.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Bay and inland waters choppy.

$$

GMZ873-120215-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
939 AM EDT Tue Mar 11 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northwest winds around 10 knots. Seas 5 to
7 feet, occasionally to 9 feet. Wave Detail: Northwest 6 feet at
9 seconds.
.TONIGHT...Northwest winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northwest 4 feet at
8 seconds and north 1 foot at 4 seconds.
.WEDNESDAY...North winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: West 3 feet at 7 seconds and north 1 foot at 4 seconds.
.WEDNESDAY NIGHT...West winds around 5 knots, becoming south
after midnight. Seas around 2 feet in the evening, then 1 foot or
less. Wave Detail: West 2 feet at 6 seconds, becoming west 1 foot
at 6 seconds.
.THURSDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 2 seconds and west 1 foot at 5 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 4 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southeast
10 to 15 knots after midnight. Seas around 2 feet.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet.

$$

GMZ850-120215-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
939 AM EDT Tue Mar 11 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northwest winds 10 to 15 knots. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: West 3 feet at
8 seconds and northwest 1 foot at 2 seconds. Bay and inland
waters a moderate chop.
.TONIGHT...West winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: West 2 feet at 8 seconds and
west 1 foot at 2 seconds. Bay and inland waters light chop.
.WEDNESDAY...Northwest winds around 5 knots. Seas 1 to 2 feet.
Wave Detail: West 2 feet at 7 seconds. Bay and inland waters
smooth.
.WEDNESDAY NIGHT...West winds around 5 knots. Seas 1 foot or
less. Wave Detail: West 1 foot at 6 seconds. Bay and inland
waters smooth.
.THURSDAY...South winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Seas 1 foot or less. Wave Detail:
Southwest 1 foot at 2 seconds and west 1 foot at 6 seconds. Bay
and inland waters light chop.
.THURSDAY NIGHT...South winds around 5 knots. Seas 1 foot or
less. Wave Detail: Southwest 1 foot at 4 seconds. Bay and inland
waters smooth.
.FRIDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.
.FRIDAY NIGHT...Southwest winds around 5 knots, becoming
southeast after midnight. Seas 1 foot or less, then 1 to 2 feet
after midnight. Bay and inland waters light chop.
.SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop.

$$

GMZ870-120215-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
939 AM EDT Tue Mar 11 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northwest winds around 10 knots. Seas 4 to
6 feet, occasionally to 8 feet. Wave Detail: Northwest 5 feet at
8 seconds and north 1 foot at 3 seconds.
.TONIGHT...West winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet, subsiding to 2 to 3 feet after midnight.
Wave Detail: West 3 feet at 8 seconds and north 1 foot at
3 seconds, becoming west 3 feet at 7 seconds.
.WEDNESDAY...Northwest winds around 5 knots, becoming southwest
in the afternoon. Seas around 2 feet. Wave Detail: West 2 feet at
7 seconds.
.WEDNESDAY NIGHT...Southwest winds around 5 knots. Seas around
2 feet in the evening, then 1 foot or less. Wave Detail: West
1 foot at 6 seconds.
.THURSDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 6 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 5 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southeast
10 to 15 knots after midnight. Seas around 2 feet.
.SATURDAY...Southeast winds 10 to 15 knots, becoming south 15 to
20 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet.

$$