Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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FZUS52 KTBW 200806
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Area - Ruskin FL
406 AM EDT Sun Aug 20 2017

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.

GMZ800-201645-
SYNOPSIS FOR THE COASTAL WATERS FROM BONITA BEACH TO SUWANNEE RIVER-
406 AM EDT Sun Aug 20 2017

.SYNOPSIS...Weak high pressure will remain in place this morning as
a weak tropical wave move over the Florida Peninsula and into the
Eastern Gulf this afternoon with scattered to numerous thunderstorms
possible. High pressure then strengthens and remains north of the
waters through midweek.

$$

GMZ830-201645-
Tampa Bay waters-
406 AM EDT Sun Aug 20 2017

.TODAY...East winds 5 to 10 knots. Bay and inland waters a light chop.
Scattered thunderstorms in the afternoon.
.TONIGHT...East winds around 10 knots. Bay and inland waters a light
chop. Numerous showers and scattered thunderstorms in the evening.
.MONDAY...Southeast winds around 10 knots. Bay and inland waters a
light chop.
.MONDAY NIGHT...East winds around 10 knots. Bay and inland waters a
light chop. Isolated thunderstorms in the evening.
.TUESDAY...Northeast winds around 10 knots. Bay and inland waters a
light chop. Isolated thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds around 5 knots. Bay and inland waters
smooth. Isolated thunderstorms.
.WEDNESDAY...Northeast winds around 5 knots. Bay and inland waters
smooth. Scattered thunderstorms.
.WEDNESDAY NIGHT...Northeast winds around 5 knots then becoming
southeast after midnight. Bay and inland waters smooth. Scattered
thunderstorms.
.THURSDAY...Southeast winds around 5 knots then becoming south in
the afternoon. Bay and inland waters smooth. Numerous thunderstorms.

$$

GMZ836-201645-
Charlotte Harbor and Pine Island Sound-
406 AM EDT Sun Aug 20 2017

.TODAY...Southeast winds around 10 knots. Bay and inland waters a
light chop. Isolated thunderstorms in the morning, then scattered
thunderstorms in the afternoon.
.TONIGHT...East winds around 10 knots. Bay and inland waters a light
chop. Numerous showers and scattered thunderstorms in the evening.
.MONDAY...East winds around 10 knots. Bay and inland waters a light
chop.
.MONDAY NIGHT...East winds around 10 knots. Bay and inland waters a
light chop. Isolated thunderstorms in the evening.
.TUESDAY...Northeast winds around 10 knots. Bay and inland waters a
light chop. Isolated thunderstorms in the morning, then scattered
thunderstorms in the afternoon.
.TUESDAY NIGHT...Northeast winds around 10 knots. Bay and inland
waters a light chop. Scattered thunderstorms.
.WEDNESDAY...East winds around 5 knots. Bay and inland waters
smooth. Numerous thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Bay and inland
waters smooth. Numerous thunderstorms in the evening, then scattered
thunderstorms after midnight.
.THURSDAY...Southeast winds around 10 knots then becoming southwest
in the afternoon. Bay and inland waters a light chop. Numerous
thunderstorms.

$$

GMZ856-201645-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
406 AM EDT Sun Aug 20 2017

.TODAY...Southeast winds around 10 knots. Seas 2 feet. Bay and
inland waters a light chop. Isolated thunderstorms in the morning,
then scattered thunderstorms in the afternoon.
.TONIGHT...East winds 5 to 10 knots increasing to around 15 knots in
the late evening and overnight. Seas 2 feet. Bay and inland waters a
moderate chop. Scattered thunderstorms in the evening.
.MONDAY...East winds around 15 knots diminishing to 5 to 10 knots
early in the afternoon, then becoming northeast around 5 knots late
in the afternoon. Seas 2 feet. Bay and inland waters a moderate
chop.
.MONDAY NIGHT...Northeast winds 5 to 10 knots then becoming east
around 15 knots in the late evening and overnight. Seas 2 feet. Bay
and inland waters a moderate chop. Isolated thunderstorms.
.TUESDAY...East winds around 10 knots then becoming northeast late
in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Isolated thunderstorms in the morning, then scattered thunderstorms
in the afternoon.
.TUESDAY NIGHT...East winds around 10 knots. Seas 2 feet or less.
Bay and inland waters a light chop. Scattered thunderstorms.
.WEDNESDAY...East winds around 10 knots. Seas 2 feet or less. Bay
and inland waters a light chop. Numerous thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas 2 feet or
less. Bay and inland waters a light chop. Numerous thunderstorms.
.THURSDAY...Southeast winds around 10 knots then becoming south in
the afternoon. Seas 2 feet or less. Bay and inland waters a light
chop. Numerous thunderstorms.

$$

GMZ876-201645-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
406 AM EDT Sun Aug 20 2017

.TODAY...Southeast winds around 10 knots. Seas 2 feet. Isolated
thunderstorms in the morning, then scattered thunderstorms in the
afternoon.
.TONIGHT...East winds around 15 knots. Seas 2 to 3 feet. Scattered
thunderstorms in the evening, then isolated thunderstorms after
midnight.
.MONDAY...East winds around 15 knots diminishing to 5 to 10 knots
late in the afternoon. Seas 2 to 3 feet. Isolated thunderstorms.
.MONDAY NIGHT...East winds 5 to 10 knots increasing to around
15 knots in the late evening and overnight. Seas 2 to 3 feet.
Isolated thunderstorms.
.TUESDAY...East winds around 15 knots then becoming northeast 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Isolated thunderstorms.
.TUESDAY NIGHT...East winds around 10 knots. Seas 2 feet. Scattered
thunderstorms.
.WEDNESDAY...East winds around 10 knots. Seas 2 feet or less.
Scattered thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas 2 feet or
less. Numerous thunderstorms.
.THURSDAY...South winds around 10 knots. Seas 2 feet or less.
Numerous thunderstorms.

$$

GMZ853-201645-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
406 AM EDT Sun Aug 20 2017

.TODAY...East winds around 10 knots. Seas 2 feet or less. Bay and
inland waters a light chop. Scattered thunderstorms in the afternoon.
.TONIGHT...East winds around 15 knots diminishing to 5 to 10 knots
after midnight. Seas 2 feet. Bay and inland waters a moderate chop.
Scattered thunderstorms in the evening, then isolated thunderstorms
after midnight.
.MONDAY...Southeast winds around 10 knots diminishing to around
5 knots late in the afternoon. Seas 2 feet. Bay and inland waters a
light chop. Isolated thunderstorms in the morning.
.MONDAY NIGHT...Northeast winds around 5 knots then becoming east
5 to 10 knots late in the evening, then increasing to around
15 knots after midnight. Seas 2 feet. Bay and inland waters a
moderate chop. Isolated thunderstorms.
.TUESDAY...East winds around 10 knots then becoming north late in
the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Isolated thunderstorms.
.TUESDAY NIGHT...Northeast winds around 10 knots then becoming east
after midnight. Seas 2 feet or less. Bay and inland waters a light
chop. Scattered thunderstorms in the evening. Isolated thunderstorms
after midnight.
.WEDNESDAY...Northeast winds around 10 knots. Seas 2 feet or less.
Bay and inland waters a light chop. Scattered thunderstorms.
.WEDNESDAY NIGHT...Northeast winds around 5 knots then becoming
southeast around 10 knots after midnight. Seas 2 feet or less. Bay
and inland waters a light chop. Scattered thunderstorms.
.THURSDAY...Southeast winds around 10 knots then becoming south in
the afternoon. Seas 2 feet or less. Bay and inland waters a light
chop. Numerous thunderstorms.

$$

GMZ873-201645-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
406 AM EDT Sun Aug 20 2017

.TODAY...East winds around 10 knots. Seas 2 feet. Isolated
thunderstorms.
.TONIGHT...Southeast winds around 15 knots. Seas 2 to 3 feet.
Scattered thunderstorms in the evening, then isolated thunderstorms
after midnight.
.MONDAY...Southeast winds around 15 knots diminishing to 5 to
10 knots late in the afternoon. Seas 2 to 3 feet. Isolated
thunderstorms.
.MONDAY NIGHT...East winds around 5 knots increasing to around
15 knots. Seas 2 to 3 feet. Isolated thunderstorms.
.TUESDAY...East winds around 15 knots diminishing to 5 to 10 knots
early in the afternoon, then becoming northeast late in the
afternoon. Seas 2 to 3 feet.
.TUESDAY NIGHT...Northeast winds around 10 knots. Seas 2 feet.
Isolated thunderstorms in the evening. Scattered thunderstorms after
midnight.
.WEDNESDAY...Northeast winds around 10 knots. Seas 2 feet or less.
Scattered thunderstorms.
.WEDNESDAY NIGHT...Northeast winds around 10 knots then becoming
east after midnight. Seas 2 feet or less. Scattered thunderstorms.
.THURSDAY...Southeast winds around 10 knots then becoming south in
the afternoon. Seas 2 feet or less. Numerous thunderstorms.

$$

GMZ850-201645-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
406 AM EDT Sun Aug 20 2017

.TODAY...East winds around 10 knots then becoming southeast in the
afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Isolated thunderstorms in the afternoon.
.TONIGHT...Southeast winds around 10 knots. Seas 2 feet. Bay and
inland waters a light chop. Scattered thunderstorms in the evening,
then isolated thunderstorms after midnight.
.MONDAY...Southeast winds around 10 knots diminishing to around
5 knots late in the afternoon. Seas 2 feet. Bay and inland waters a
light chop. Isolated thunderstorms.
.MONDAY NIGHT...North winds around 5 knots then becoming northeast
5 to 10 knots late in the evening, then becoming east around
15 knots after midnight then becoming southeast 5 to 10 knots toward
morning. Seas 2 feet. Bay and inland waters a moderate chop.
Isolated thunderstorms.
.TUESDAY...East winds around 10 knots then becoming north late in
the afternoon. Seas 2 feet. Bay and inland waters a light chop.
.TUESDAY NIGHT...North winds around 10 knots then becoming east
after midnight. Seas 2 feet or less. Bay and inland waters a light
chop.
.WEDNESDAY...Northeast winds around 10 knots then becoming northwest
around 5 knots in the afternoon. Seas 2 feet or less. Bay and inland
waters a light chop. Scattered thunderstorms.
.WEDNESDAY NIGHT...Northwest winds around 5 knots then becoming
southeast around 10 knots after midnight. Seas 2 feet or less. Bay
and inland waters a light chop. Scattered thunderstorms.
.THURSDAY...Southeast winds around 5 knots then becoming southwest
in the afternoon. Seas 2 feet or less. Bay and inland waters smooth.
Scattered thunderstorms in the morning, then numerous thunderstorms
in the afternoon.

$$

GMZ870-201645-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
406 AM EDT Sun Aug 20 2017

.TODAY...East winds around 10 knots. Seas 2 feet or less.
.TONIGHT...East winds 5 to 10 knots then becoming southeast around
15 knots in the late evening and overnight. Seas 2 feet. Scattered
thunderstorms in the evening, then isolated thunderstorms after
midnight.
.MONDAY...Southeast winds around 15 knots diminishing to 5 to
10 knots in the afternoon. Seas 2 feet. Isolated thunderstorms.
.MONDAY NIGHT...Northeast winds around 5 knots increasing to 5 to
10 knots late in the evening, then becoming southeast around
15 knots after midnight. Seas 2 feet. Isolated thunderstorms.
.TUESDAY...East winds around 10 knots then becoming northeast around
5 knots late in the afternoon. Seas 2 feet.
.TUESDAY NIGHT...North winds around 10 knots then becoming northeast
after midnight. Seas 2 feet.
.WEDNESDAY...Northeast winds around 10 knots. Seas 2 feet or less.
Isolated thunderstorms.
.WEDNESDAY NIGHT...North winds around 5 knots then becoming east
around 10 knots after midnight. Seas 2 feet or less. Scattered
thunderstorms.
.THURSDAY...East winds around 5 knots then becoming south in the
afternoon. Seas 2 feet or less. Scattered thunderstorms.

$$



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