Coastal Waters Forecast
Issued by NWS Miami, FL

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FZUS52 KMFL 220122
CWFMFL

Coastal Waters Forecast for South Florida
National Weather Service Miami FL
922 PM EDT Mon Aug 21 2017

Atlantic coastal waters from Jupiter Inlet to Ocean Reef out to 60
nm and Gulf coastal waters from East Cape Sable to Chokoloskee out
20 nm and Chokoloskee to Bonita Beach out 60 nm...including the
waters of Biscayne Bay and Lake Okeechobee.

Seas are provided as a range of the average height of the highest 1/3
of the waves...along with the occasional height of the average highest
10 percent of the waves.

AMZ600-GMZ606-220830-
Synopsis for Jupiter Inlet to Ocean Reef FL out to 60 nm and for East
Cape Sable to Bonita Beach FL out to 60 nm-
922 PM EDT Mon Aug 21 2017

.SYNOPSIS...Another tropical wave approaching the area will bring
periods of showers and thunderstorms starting tonight. Moderate
to fresh easterly breezes will become southeasterly and decrease
Tuesday over the Atlantic waters, before swinging to southerly
and southwesterly by the weekend. Over the Gulf waters and Lake
Okeechobee, moderate east winds tonight will become variable in
both direction and speed for the rest of the week, remaining
generally 15 knots or less. Moderate choppy seas with waves to 4
feet tonight will gradually decrease Tuesday. Winds and waves may
be locally higher near thunderstorms.

.GULF STREAM HAZARDS...Easterly wind 15 to 20 knots tonight.

The approximate location of the west wall of the Gulf Stream as of
Aug 19, 2017 at 1200 UTC...

  9 nautical miles east southeast of Fowey Rocks.
 15 nautical miles east southeast of Port Everglades.
 11 nautical miles east northeast of Lake Worth.
 12 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

$$

AMZ650-670-220830-
Coastal waters from Jupiter Inlet to Deerfield Beach FL out
20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
922 PM EDT Mon Aug 21 2017

...SMALL CRAFT EXERCISE CAUTION...

.REST OF TONIGHT...East northeast winds 10 to 15 knots along the
coast to east 15 to 20 knots in the Gulf Stream. Seas 2 to
4 feet with occasional seas to 5 feet. Period 5 seconds.
Intracoastal waters choppy in exposed areas. A chance of showers
and thunderstorms.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Period 4 seconds. Intracoastal waters a moderate chop. Showers
likely in the morning. A chance of thunderstorms through the
day. A chance of showers in the afternoon.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. Period 4 seconds. Intracoastal waters a light chop. A
chance of thunderstorms in the evening. A chance of showers
through the night. A slight chance of thunderstorms after
midnight.
.WEDNESDAY...South southeast winds 5 to 10 knots along the coast
to south southeast 10 to 15 knots in the Gulf Stream. Seas
around 2 feet. Period 4 seconds. Intracoastal waters a light chop.
Thunderstorms likely in the morning. Showers likely through the
day. A chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...South southeast winds around 10 knots along
the coast to south southeast 10 to 15 knots in the Gulf Stream.
Seas 2 to 3 feet. Intracoastal waters a light chop. A chance of
thunderstorms in the evening. Showers likely through the night.
A slight chance of thunderstorms after midnight.
.THURSDAY...South winds around 10 knots. Seas 2 to 3 feet.
Intracoastal waters a light chop. Showers likely.
.THURSDAY NIGHT AND FRIDAY...Southwest winds 5 to 10 knots. Seas
around 2 feet. Intracoastal waters a light chop. Showers likely.
.FRIDAY NIGHT...West southwest winds 5 to 10 knots. Seas around
2 feet. Intracoastal waters a light chop. Showers likely.
.SATURDAY...West northwest winds 5 to 10 knots. Seas less than
2 feet. Intracoastal waters a light chop. Showers likely.

$$

AMZ651-671-220830-
Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM-
Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM
excluding the territorial waters of Bahamas-
922 PM EDT Mon Aug 21 2017

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas to 5 feet. Period 5 seconds. Intracoastal
waters a moderate chop. A chance of showers and thunderstorms.
.TUESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Period 5 seconds. Intracoastal waters a light chop. Showers likely
in the morning. A chance of thunderstorms. A
chance of showers in the afternoon.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. Period 3 seconds. Intracoastal waters a moderate chop. A
chance of showers and thunderstorms.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Period 4 seconds. Intracoastal waters a moderate chop. Showers
likely and a chance of thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Along the
coast, seas around 2 feet. In the Gulf Stream, seas around
2 feet building to 2 to 4 feet with occasional seas to 5 feet
after midnight. Intracoastal waters a moderate chop. A chance of
thunderstorms in the evening. Showers likely through the night.
A slight chance of thunderstorms after midnight.
.THURSDAY...South winds around 10 knots. Seas 2 to 3 feet.
Intracoastal waters a light chop. Showers likely.
.THURSDAY NIGHT AND FRIDAY...Southwest winds 5 to 10 knots. Seas
around 2 feet. Intracoastal waters a light chop. Showers likely.
.FRIDAY NIGHT...West southwest winds 5 to 10 knots. Seas around
2 feet. Intracoastal waters a light chop. Showers likely.
.SATURDAY...West winds around 5 knots. Seas less than 2 feet.
Intracoastal waters smooth. Showers likely.

$$

AMZ630-220830-
Biscayne Bay-
922 PM EDT Mon Aug 21 2017

.REST OF TONIGHT...East northeast winds 10 to 15 knots. Bay
waters a moderate chop. A chance of showers and thunderstorms.
.TUESDAY...Southeast winds 5 to 10 knots. Bay waters a light chop.
Showers and thunderstorms likely.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters a light
chop. A chance of showers and thunderstorms.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters a light
chop. A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters a
moderate chop. A chance of showers and thunderstorms in the
evening...then showers likely and a slight chance of
thunderstorms after midnight.
.THURSDAY...South southeast winds 5 to 10 knots. Bay waters
light chop. Showers likely.
.THURSDAY NIGHT...South southwest winds 5 to 10 knots. Bay
waters a light chop. A chance of showers.
.FRIDAY...Southwest winds 5 to 10 knots. Bay waters a light chop.
Showers likely.
.FRIDAY NIGHT...West southwest winds around 5 knots. Bay waters
smooth. A chance of showers.
.SATURDAY...West winds around 5 knots. Bay waters smooth.
Showers likely.

$$

GMZ656-657-220830-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
922 PM EDT Mon Aug 21 2017

.REST OF TONIGHT...East northeast winds 5 to 10 knots nearshore
and east 10 to 15 knots offshore. Seas around 2 feet. Period
3 seconds. Bay and inland waters a light chop. A chance of showers
and thunderstorms through the night.
.TUESDAY...Nearshore, east northeast winds 5 to 10 knots
becoming west northwest in the afternoon. Offshore, east
northeast winds 10 to 15 knots becoming north northwest 5 to
10 knots in the afternoon. Seas around 2 feet. Period 2 seconds.
Bay and inland waters a light chop. A chance of showers and
thunderstorms in the morning...then showers and thunderstorms
likely in the afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas less than
2 feet. Period 1 second increasing to 2 seconds after midnight.
Bay and inland waters a light chop. A chance of thunderstorms in
the evening. A chance of showers through the night. A slight
chance of thunderstorms after midnight.
.WEDNESDAY...South southeast winds 5 to 10 knots. Seas less than
2 feet. Period 2 seconds. Bay and inland waters a light chop. A
chance of showers and thunderstorms in the morning...then
showers and thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...East southeast winds 5 to 10 knots nearshore
and southeast 5 to 10 knots offshore. Seas less than 2 feet. Bay
and inland waters a light chop. A chance of showers and
thunderstorms.
.THURSDAY...South winds around 5 knots. Seas less than 2 feet.
Bay and inland waters smooth. Showers likely.
.THURSDAY NIGHT...South southwest winds around 5 knots. Seas
less than 2 feet. Bay and inland waters smooth. A chance of
showers.
.FRIDAY...Southwest winds 5 to 10 knots. Seas less than 2 feet.
Bay and inland waters a light chop. Showers likely.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas less than 2 feet.
Bay and inland waters a light chop. A chance of showers.
.SATURDAY...West northwest winds 5 to 10 knots. Seas less than
2 feet. Bay and inland waters a light chop. Showers likely.

$$

GMZ676-220830-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
922 PM EDT Mon Aug 21 2017

.REST OF TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Period 4 seconds. A slight chance of showers and thunderstorms
late in the evening...then a chance of showers and
thunderstorms after midnight.
.TUESDAY...East northeast winds 10 to 15 knots becoming north
5 to 10 knots in the afternoon. Seas 2 to 3 feet. Period
3 seconds. A slight chance of showers and thunderstorms in the
morning...then a chance of showers and thunderstorms in the
afternoon.
.TUESDAY NIGHT...North northeast winds 5 to 10 knots becoming
east southeast after midnight. Seas around 2 feet. Period
3 seconds. A chance of showers and thunderstorms.
.WEDNESDAY...South southeast winds 5 to 10 knots. Seas less than
2 feet. Period 3 seconds. A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas less than
2 feet. A chance of thunderstorms in the evening. A chance of
showers through the night. A slight chance of thunderstorms
after midnight.
.THURSDAY...South winds around 5 knots. Seas less than 2 feet. A
chance of showers.
.THURSDAY NIGHT...South southwest winds around 5 knots. Seas
less than 2 feet. A chance of showers.
.FRIDAY...Southwest winds 5 to 10 knots. Seas less than 2 feet.
A chance of showers.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas less than 2 feet.
A chance of showers.
.SATURDAY...West northwest winds 5 to 10 knots. Seas less than
2 feet. Showers likely.

$$

AMZ610-220830-
Lake Okeechobee-
922 PM EDT Mon Aug 21 2017

.REST OF TONIGHT...East northeast winds 10 to 15 knots. Lake
waters a moderate chop. A slight chance of showers and
thunderstorms.
.TUESDAY...East northeast winds 5 to 10 knots. Lake waters a light
chop. A chance of showers and thunderstorms in the morning...
then showers and thunderstorms likely in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Lake waters a light
chop. A chance of thunderstorms in the evening. A chance of
showers through the night.
.WEDNESDAY...East southeast winds 5 to 10 knots. Lake waters
light chop. A chance of showers and thunderstorms in the
morning...then showers and thunderstorms likely in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Lake waters
smooth. A chance of thunderstorms in the evening. A chance of
showers through the night. A slight chance of thunderstorms
after midnight.
.THURSDAY...South southeast winds around 5 knots. Lake waters
smooth. Showers likely.
.THURSDAY NIGHT...South southwest winds around 5 knots. Lake
waters smooth. A chance of showers.
.FRIDAY...Southwest winds around 5 knots. Lake waters smooth.
Showers likely.
.FRIDAY NIGHT...West northwest winds around 5 knots. Lake waters
smooth. A chance of showers.
.SATURDAY...West northwest winds around 5 knots. Lake waters
smooth. Showers likely.

$$



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