Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
000
FZUS52 KTBW 201342
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Area - Ruskin FL
942 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 updated 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.

GMZ800-202115-
SYNOPSIS FOR THE COASTAL WATERS FROM BONITA BEACH TO SUWANNEE RIVER-
942 AM EDT Sun Aug 20 2017

.SYNOPSIS...High pressure near Bermuda ridges west over the region.
This will be the dominant weather feature through the period. With
the easterly flow, showers and storms will be more common later
evening and into the early morning hours each day. The main hazard
will be dangerous lightning, locally higher winds and choppy seas
near thunderstorms.

$$

GMZ830-202115-
Tampa Bay waters-
942 AM EDT Sun Aug 20 2017

.THIS AFTERNOON...East winds around 5 knots. Bay and inland waters
smooth. Scattered thunderstorms.
.TONIGHT...East winds around 10 knots. Bay and inland waters a light
chop. Scattered thunderstorms.
.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.
.TUESDAY...Northeast winds around 10 knots. Bay and inland waters a
light chop. Isolated thunderstorms.
.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.

$$

GMZ836-202115-
Charlotte Harbor and Pine Island Sound-
942 AM EDT Sun Aug 20 2017

.THIS AFTERNOON...East winds around 10 knots then becoming southeast
in the afternoon. Bay and inland waters a light chop. Scattered
thunderstorms.
.TONIGHT...East winds around 10 knots. Bay and inland waters a light
chop. Scattered thunderstorms.
.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.
.TUESDAY...Northeast winds around 10 knots. Bay and inland waters a
light chop. Scattered thunderstorms.
.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. Scattered thunderstorms.
.THURSDAY...Southeast winds around 10 knots then becoming southwest
in the afternoon. Bay and inland waters a light chop. Numerous
thunderstorms.

$$

GMZ856-202115-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
942 AM EDT Sun Aug 20 2017

.THIS AFTERNOON...East winds around 10 knots then becoming southeast
in the afternoon. Seas 2 feet or less. Bay and inland waters a light
chop. Scattered thunderstorms.
.TONIGHT...East winds around 15 knots. Seas 2 feet. Bay and inland
waters a moderate chop. Scattered thunderstorms.
.MONDAY...East winds around 15 knots diminishing to 5 to 10 knots in
the afternoon. Seas 2 feet. Bay and inland waters a moderate chop.
.MONDAY NIGHT...East winds around 15 knots. Seas 2 feet. Bay and
inland waters a moderate chop. Isolated thunderstorms.
.TUESDAY...Northeast winds around 10 knots. Seas 2 feet. Bay and
inland waters a light chop. Scattered thunderstorms.
.TUESDAY NIGHT...Northeast 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.

$$

GMZ876-202115-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
942 AM EDT Sun Aug 20 2017

.THIS AFTERNOON...Southeast winds around 10 knots. Seas 2 feet.
Scattered thunderstorms.
.TONIGHT...East winds around 15 knots. Seas 2 to 3 feet. Scattered
thunderstorms.
.MONDAY...East winds around 15 knots. Seas 2 to 3 feet. Isolated
thunderstorms.
.MONDAY NIGHT...East winds around 15 knots. 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...Northeast winds around 10 knots. Seas 2 feet or
less. 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...Southeast winds around 10 knots then becoming south in
the afternoon. Seas 2 feet or less. Numerous thunderstorms.

$$

GMZ853-202115-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
942 AM EDT Sun Aug 20 2017

.THIS AFTERNOON...East winds around 10 knots diminishing to around
5 knots with gusts to around 20 knots in the afternoon. Seas 2 feet
or less. Bay and inland waters a light chop. Scattered
thunderstorms.
.TONIGHT...East winds around 15 knots with gusts to around 30 knots
diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Bay
and inland waters a moderate chop. Scattered thunderstorms.
.MONDAY...Southeast winds around 10 knots. Seas 2 feet. Bay and
inland waters a light chop.
.MONDAY NIGHT...Northeast winds 5 to 10 knots then becoming east
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 northeast 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.
.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.

$$

GMZ873-202115-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
942 AM EDT Sun Aug 20 2017

.THIS AFTERNOON...East winds around 10 knots. Seas 2 feet or less.
Isolated thunderstorms.
.TONIGHT...East winds around 15 knots. Gusts around 30 knots in the
evening. Seas 2 feet. Scattered thunderstorms.
.MONDAY...Southeast winds around 15 knots. Seas 2 to 3 feet.
Isolated thunderstorms.
.MONDAY NIGHT...East winds 5 to 10 knots increasing to around
15 knots after midnight. Seas 2 feet. Isolated thunderstorms.
.TUESDAY...East winds around 15 knots then becoming northeast 5 to
10 knots in the afternoon. Seas 2 to 3 feet.
.TUESDAY NIGHT...Northeast winds around 10 knots. Seas 2 feet.
Scattered thunderstorms.
.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...East winds around 10 knots then becoming south in the
afternoon. Seas 2 feet or less. Numerous thunderstorms.

$$

GMZ850-202115-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
942 AM EDT Sun Aug 20 2017

.THIS AFTERNOON...East winds around 10 knots. Seas 2 feet or less.
Bay and inland waters a light chop. Isolated thunderstorms.
.TONIGHT...East winds around 10 knots. Seas 2 feet. Bay and inland
waters a light chop. Isolated thunderstorms.
.MONDAY...Southeast winds around 10 knots. Seas 2 feet. Bay and
inland waters a light chop. Isolated thunderstorms.
.MONDAY NIGHT...Northeast winds 5 to 10 knots then becoming east
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 northeast 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.
Numerous thunderstorms.

$$

GMZ870-202115-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
942 AM EDT Sun Aug 20 2017

.THIS AFTERNOON...East winds around 5 knots. Seas 2 feet or less.
.TONIGHT...East winds around 15 knots then becoming southeast after
midnight. Seas 2 feet. Scattered thunderstorms.
.MONDAY...Southeast winds around 15 knots diminishing to 5 to
10 knots in the afternoon. Seas 2 feet. Isolated thunderstorms.
.MONDAY NIGHT...Northeast winds 5 to 10 knots then becoming east
around 15 knots after midnight. Seas 2 feet. Isolated thunderstorms.
.TUESDAY...Southeast winds around 10 knots then becoming east in the
afternoon. Seas 2 feet.
.TUESDAY NIGHT...North winds around 10 knots then becoming northeast
after midnight. Seas 2 feet or less.
.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.

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.