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National Weather Service Marine Forecast FZUS52 KTBW

FZUS52 KTBW 180003
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Area - Ruskin FL
803 PM EDT Mon May 17 2021

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.

GMZ800-181200-
SYNOPSIS FOR THE COASTAL WATERS FROM BONITA BEACH TO SUWANNEE RIVER-
803 PM EDT Mon May 17 2021

SYNOPSIS
High pressure in the western Atlantic stretches into the
Gulf of Mexico and will keep offshore winds through the period. An
easterly surge of stronger wind is expected each night through mid
week could briefly create winds in the cautionary to advisory range.



GMZ830-181200-
Tampa Bay waters-
803 PM EDT Mon May 17 2021

TONIGHT
East winds around 15 knots. Bay and inland waters a
moderate chop.

TUESDAY
East winds around 15 knots. Bay and inland waters a
moderate chop. A slight chance of thunderstorms in the afternoon.

TUESDAY NIGHT
East winds around 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Bay and inland waters
choppy.

WEDNESDAY
East winds 10 to 15 knots increasing to around 20 knots
in the afternoon. Bay and inland waters choppy. A chance of showers
and a slight chance of thunderstorms in the afternoon.

WEDNESDAY NIGHT
East winds around 20 knots diminishing to 10 to
15 knots after midnight. Bay and inland waters choppy.

THURSDAY
East winds around 20 knots. Bay and inland waters
choppy. A slight chance of thunderstorms.

THURSDAY NIGHT
East winds around 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Bay and inland waters
choppy.

FRIDAY
East winds 10 to 15 knots increasing to around 20 knots
late in the afternoon. Bay and inland waters choppy. A slight chance
of thunderstorms in the afternoon.

FRIDAY NIGHT
East winds around 15 knots. Bay and inland waters a
moderate chop.

SATURDAY
East winds around 15 knots. Bay and inland waters a
moderate chop. A slight chance of thunderstorms in the afternoon.



GMZ836-181200-
Charlotte Harbor and Pine Island Sound-
803 PM EDT Mon May 17 2021

TONIGHT
East winds around 15 knots. Bay and inland waters a
moderate chop.

TUESDAY
East winds around 15 knots. Bay and inland waters a
moderate chop. A slight chance of thunderstorms in the afternoon.

TUESDAY NIGHT
East winds around 20 knots diminishing to 10 to
15 knots after midnight. Bay and inland waters choppy. A slight
chance of thunderstorms.

WEDNESDAY
East winds 10 to 15 knots increasing to around 20 knots
late in the afternoon. Bay and inland waters choppy. A slight chance
of thunderstorms. A chance of showers in the afternoon.

WEDNESDAY NIGHT
East winds around 20 knots. Bay and inland waters
choppy. A slight chance of thunderstorms.

THURSDAY
East winds around 20 knots. Bay and inland waters
choppy. A slight chance of thunderstorms. A chance of showers in the
afternoon.

THURSDAY NIGHT
East winds around 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Bay and inland waters
choppy. A slight chance of thunderstorms.

FRIDAY
East winds around 15 knots. Bay and inland waters a
moderate chop. A slight chance of thunderstorms.

FRIDAY NIGHT
East winds around 15 knots. Bay and inland waters a
moderate chop.

SATURDAY
East winds around 15 knots. Bay and inland waters a
moderate chop. A slight chance of thunderstorms in the afternoon.



GMZ856-181200-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
803 PM EDT Mon May 17 2021

SMALL CRAFT EXERCISE CAUTION THIS EVENING


TONIGHT
Northeast winds 10 to 15 knots then becoming east around
15 to 20 knots in the late evening and early morning, then
diminishing to 10 to 15 knots toward morning. Seas 2 to 3 feet. Bay
and inland waters choppy.

TUESDAY
East winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop. A slight chance of thunderstorms in
the afternoon.

TUESDAY NIGHT
East winds around 20 knots. Seas 2 to 4 feet. Bay
and inland waters choppy. A slight chance of thunderstorms.

WEDNESDAY
East winds around 20 knots. Seas 2 to 4 feet. Bay and
inland waters choppy. A slight chance of thunderstorms. A chance of
showers in the afternoon.

WEDNESDAY NIGHT
East winds around 20 knots. Seas 2 to 4 feet. Bay
and inland waters choppy. A slight chance of thunderstorms.

THURSDAY
East winds around 20 knots. Seas 2 to 4 feet. Bay and
inland waters choppy. A slight chance of thunderstorms. A chance of
showers in the afternoon.

THURSDAY NIGHT
East winds around 20 knots. Seas 2 to 4 feet. Bay
and inland waters choppy. A slight chance of thunderstorms.

FRIDAY
East winds around 20 knots. Seas 2 to 4 feet. Bay and
inland waters choppy. A slight chance of thunderstorms.

FRIDAY NIGHT
East winds around 20 knots. Seas 2 to 4 feet. Bay
and inland waters choppy.

SATURDAY
East winds around 20 knots diminishing to 10 to 15 knots
in the afternoon. Seas 2 to 3 feet. Bay and inland waters choppy. A
slight chance of thunderstorms in the afternoon.



GMZ876-181200-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
803 PM EDT Mon May 17 2021

SMALL CRAFT EXERCISE CAUTION TONIGHT


TONIGHT
Northeast winds 10 to 15 knots then becoming east around
15 to 20 knots in the late evening and overnight. Seas 2 to 4 feet.

TUESDAY
East winds around 15 knots. Seas 2 to 4 feet. A slight
chance of thunderstorms in the afternoon.

TUESDAY NIGHT
East winds around 20 knots. Seas 3 to 5 feet. A
slight chance of thunderstorms.

WEDNESDAY
East winds around 20 knots. Seas 3 to 5 feet. A slight
chance of thunderstorms. A chance of showers in the afternoon.

WEDNESDAY NIGHT
East winds around 20 knots increasing to 20 to
25 knots in the late evening and overnight. Seas 4 to 6 feet. A
slight chance of thunderstorms.

THURSDAY
East winds around 20 knots. Seas 4 to 6 feet. A slight
chance of thunderstorms. A chance of showers in the afternoon.

THURSDAY NIGHT
East winds around 20 knots. Seas 3 to 5 feet. A
slight chance of thunderstorms.

FRIDAY
East winds around 20 knots. Seas 3 to 5 feet. A slight
chance of thunderstorms.

FRIDAY NIGHT
East winds around 20 knots. Seas 3 to 5 feet.

SATURDAY
East winds around 20 knots diminishing to 10 to 15 knots
in the afternoon. Seas 3 to 5 feet. A slight chance of thunderstorms
in the afternoon.



GMZ853-181200-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
803 PM EDT Mon May 17 2021

SMALL CRAFT EXERCISE CAUTION THIS EVENING


TONIGHT
Northeast winds 10 to 15 knots then becoming east 15 to 20
knots in the late evening and early morning, then diminishing to 10
to 15 knots toward morning. Seas 2 to 3 feet. Bay and inland waters
choppy.

TUESDAY
East winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop.

TUESDAY NIGHT
East winds around 20 knots. Seas 2 to 4 feet. Bay
and inland waters choppy.

WEDNESDAY
East winds around 20 knots. Seas 2 to 3 feet. Bay and
inland waters choppy. A slight chance of thunderstorms.

WEDNESDAY NIGHT
East winds around 20 knots. Seas 2 to 4 feet. Bay
and inland waters choppy. A slight chance of thunderstorms in the
evening.

THURSDAY
East winds around 20 knots. Seas 2 to 4 feet. Bay and
inland waters choppy. A slight chance of thunderstorms.

THURSDAY NIGHT
East winds around 20 knots. Seas 2 to 4 feet. Bay
and inland waters choppy.

FRIDAY
East winds around 20 knots diminishing to 10 to 15 knots
early in the afternoon, then increasing to around 20 knots late in
the afternoon. Seas 2 to 4 feet. Bay and inland waters choppy. A
slight chance of thunderstorms in the afternoon.

FRIDAY NIGHT
East winds around 20 knots. Seas 2 to 4 feet. Bay
and inland waters choppy.

SATURDAY
East winds around 20 knots then becoming northeast 10 to
15 knots in the late morning and afternoon. Seas 2 to 3 feet. Bay
and inland waters choppy. A slight chance of thunderstorms in the
afternoon.



GMZ873-181200-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
803 PM EDT Mon May 17 2021

SMALL CRAFT EXERCISE CAUTION TONIGHT


TONIGHT
Northeast winds 10 to 15 knots then becoming east around
15 to 20 knots in the late evening and overnight. Seas 2 to 4 feet.

TUESDAY
East winds around 15 knots then becoming northeast 5 to
10 knots in the afternoon. Seas 2 to 4 feet.

TUESDAY NIGHT
East winds around 20 knots. Seas 3 to 5 feet. A
slight chance of thunderstorms in the evening.

WEDNESDAY
East winds around 20 knots diminishing to 10 to
15 knots early in the afternoon, then increasing to around 20 knots
late in the afternoon. Seas 3 to 5 feet. A slight chance of
thunderstorms.

WEDNESDAY NIGHT
East winds around 20 knots increasing to 20 to
25 knots in the late evening and overnight. Seas 4 to 6 feet. A
slight chance of thunderstorms.

THURSDAY
East winds around 20 knots. Seas 4 to 6 feet. A slight
chance of thunderstorms in the afternoon.

THURSDAY NIGHT
East winds around 20 knots. Seas 4 to 6 feet. A
slight chance of thunderstorms in the evening.

FRIDAY
East winds around 20 knots diminishing to 10 to 15 knots
in the afternoon. Seas 3 to 5 feet. A slight chance of thunderstorms
in the afternoon.

FRIDAY NIGHT
East winds around 20 knots. Seas 3 to 5 feet.

SATURDAY
East winds around 20 knots then becoming northeast 10 to
15 knots in the afternoon. Seas 3 to 5 feet.



GMZ850-181200-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
803 PM EDT Mon May 17 2021

SMALL CRAFT EXERCISE CAUTION THIS EVENING


TONIGHT
East winds 15 to 20 knots diminishing to 10 to 15 knots
toward morning. Seas 2 to 3 feet. Bay and inland waters choppy.

TUESDAY
East winds around 15 knots. Seas 2 to 3 feet. Bay and
inland waters a moderate chop.

TUESDAY NIGHT
East winds around 20 knots diminishing to 10 to
15 knots toward morning. Seas 2 to 3 feet. Bay and inland waters
choppy.

WEDNESDAY
East winds 10 to 15 knots increasing to around 20 knots
late in the afternoon. Seas 2 to 3 feet. Bay and inland waters
choppy. A slight chance of thunderstorms in the afternoon.

WEDNESDAY NIGHT
East winds around 20 knots. Seas 2 to 4 feet. Bay
and inland waters choppy.

THURSDAY
East winds around 20 knots. Seas 2 to 3 feet. Bay and
inland waters choppy.

THURSDAY NIGHT
East winds around 20 knots. Seas 2 to 3 feet. Bay
and inland waters choppy.

FRIDAY
East winds around 20 knots diminishing to 10 to 15 knots
early in the afternoon, then increasing to around 20 knots late in
the afternoon. Seas 2 to 3 feet. Bay and inland waters choppy.

FRIDAY NIGHT
East winds around 20 knots diminishing to 10 to
15 knots toward morning. Seas 2 to 3 feet. Bay and inland waters
choppy.

SATURDAY
Northeast winds around 15 knots. Seas 2 to 3 feet. Bay
and inland waters a moderate chop.



GMZ870-181200-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
803 PM EDT Mon May 17 2021

SMALL CRAFT EXERCISE CAUTION TONIGHT


TONIGHT
Northeast winds 10 to 15 knots then becoming east 15 to 20
knots in the late evening and overnight. Seas 2 to 4 feet.

TUESDAY
East winds around 20 knots diminishing to 10 to 15 knots
in the late morning and afternoon. Seas 2 to 4 feet.

TUESDAY NIGHT
East winds around 20 knots. Seas 3 to 5 feet.

WEDNESDAY
East winds around 20 knots diminishing to 10 to
15 knots early in the afternoon, then increasing to around 20 knots
late in the afternoon. Seas 3 to 5 feet. A slight chance of
thunderstorms in the afternoon.

WEDNESDAY NIGHT
East winds 20 to 25 knots. Seas 3 to 5 feet.

THURSDAY
East winds around 20 knots. Seas 3 to 5 feet.

THURSDAY NIGHT
East winds around 20 knots. Seas 3 to 5 feet.

FRIDAY
East winds around 20 knots diminishing to 10 to 15 knots
early in the afternoon, then increasing to around 20 knots late in
the afternoon. Seas 3 to 5 feet.

FRIDAY NIGHT
East winds around 20 knots. Seas 3 to 5 feet.

SATURDAY
East winds around 20 knots then becoming northeast 10 to
15 knots in the late morning and afternoon. Seas 3 to 5 feet.