Coastal Waters Forecast
Issued by NWS Miami, FL

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FZUS52 KMFL 190909
CWFMFL

Coastal Waters Forecast for South Florida
National Weather Service Miami FL
509 AM EDT Thu Apr 19 2018

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-GMZ606-191815-
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-
509 AM EDT Thu Apr 19 2018

.SYNOPSIS...Good boating conditions will continue across South
Florida through the end of the week. Prevailing flow will veer
more southerly, with both seabreezes developing the next two
afternoons. Conditions are forecast to deteriorate Friday night
into the weekend as strong east-northeast winds and higher rain
chances arrive with the cold front that will stall out across
the region.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream as of
Apr 17, 2018 at 1200 UTC...

 10 nautical miles east southeast of Fowey Rocks.
 18 nautical miles east of Port Everglades.
  7 nautical miles east southeast of Lake Worth.
 11 nautical miles northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

$$

AMZ650-670-191815-
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-
509 AM EDT Thu Apr 19 2018

.TODAY...Along the coast, west southwest winds 5 to 10 knots
becoming south southeast 10 to 15 knots in the afternoon. In the
Gulf Stream, southwest winds 5 to 10 knots becoming south in the
afternoon. Seas around 2 feet. Period 5 seconds increasing to
10 seconds in the afternoon. Intracoastal waters a light chop.
.TONIGHT...Along the coast, west southwest 5 to 10 knots after
midnight. South southeast winds 10 to 15 knots. In the Gulf
Stream, southwest after midnight. Seas around 2 feet. Period
9 seconds. Intracoastal waters a light chop.
.FRIDAY...Northwest winds 5 to 10 knots becoming north northeast
10 to 15 knots in the afternoon. Seas around 2 feet. Period
9 seconds becoming 4 seconds in the afternoon. Intracoastal
waters a moderate chop.
.FRIDAY NIGHT...East winds 10 to 15 knots along the coast to
east 15 to 20 knots in the Gulf Stream. Along the coast, seas
2 to 4 feet with occasional seas to 5 feet. In the Gulf Stream,
seas 2 to 4 feet with occasional seas to 5 feet building to 4 to
6 feet with occasional seas to 8 feet after midnight. Period
5 seconds. Intracoastal waters choppy in exposed areas. A slight
chance of showers in the evening...then a chance of showers
after midnight.
.SATURDAY...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet along the coast and 5 to 7 feet with
occasional to 9 feet in the Gulf Stream. Intracoastal waters
choppy in exposed areas. A chance of showers.
.SATURDAY NIGHT...East winds 15 to 20 knots along the coast to
east 20 to 25 knots in the Gulf Stream. Seas 5 to 7 feet with
occasional seas to 9 feet. Intracoastal waters rough in exposed
areas. A chance of showers and a slight chance of thunderstorms.
.SUNDAY...East southeast winds around 15 knots along the coast
to east 15 to 20 knots in the Gulf Stream. Seas 4 to 6 feet with
occasional seas to 8 feet. Intracoastal waters choppy in exposed
areas. Showers likely and a chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots along the coast
to southeast 15 to 20 knots in the Gulf Stream. Seas 4 to 6 feet
with occasional seas to 8 feet. Intracoastal waters choppy in
exposed areas. Showers likely and a slight chance of
thunderstorms.
.MONDAY...South southeast winds around 10 knots along the coast
to south southeast 10 to 15 knots in the Gulf Stream. Seas 2 to
4 feet with occasional seas to 5 feet. Intracoastal waters a light
chop. Showers likely and a slight chance of thunderstorms.

$$

AMZ651-671-191815-
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-
509 AM EDT Thu Apr 19 2018

.TODAY...Along the coast, south winds 5 knots becoming southeast
10 to 15 knots in the afternoon. In the Gulf Stream, south
southeast winds 5 to 10 knots. Seas around 2 feet. Period
6 seconds. Intracoastal waters a light chop.
.TONIGHT...Along the coast, south winds 10 to 15 knots becoming
west southwest 5 to 10 knots after midnight. In the Gulf Stream,
south southeast winds 5 to 10 knots becoming southwest after
midnight. Seas around 2 feet. Period 7 seconds. Intracoastal
waters a light chop.
.FRIDAY...North northwest winds around 5 knots becoming
northeast with gusts to around 20 knots in the afternoon. Seas
around 2 feet. Period 9 seconds. Intracoastal waters a light chop.
.FRIDAY NIGHT...East 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 3 seconds. Intracoastal waters
choppy in exposed areas. A slight chance of showers after
midnight.
.SATURDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas to 5 feet along the coast and 4 to 6 feet with
occasional to 8 feet in the Gulf Stream. Intracoastal waters
choppy in exposed areas. A slight chance of showers in the
morning...then a chance of showers in the afternoon.
.SATURDAY NIGHT...East winds 15 to 20 knots with gusts to around
30 knots. Seas 3 to 5 feet with occasional seas to 6 feet along
the coast and 5 to 7 feet with occasional to 9 feet in the Gulf
Stream. Intracoastal waters choppy in exposed areas. A chance of
showers and a slight chance of thunderstorms.
.SUNDAY...East winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas to 8 feet. Intracoastal waters choppy in exposed
areas. Showers likely and a chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas to 6 feet. Intracoastal waters a moderate
chop. Showers likely and a slight chance of thunderstorms.
.MONDAY...South southeast winds 10 to 15 knots. Seas 2 to 4 feet
with occasional seas to 5 feet. Intracoastal waters a light chop.
Showers likely and a slight chance of thunderstorms.

$$

AMZ630-191815-
Biscayne Bay-
509 AM EDT Thu Apr 19 2018

.TODAY...South southeast winds 5 to 10 knots. Bay waters a light
chop.
.TONIGHT...South winds 5 to 10 knots becoming west southwest
after midnight. Bay waters a light chop.
.FRIDAY...North winds 5 knots becoming east in the afternoon.
Bay waters a light chop.
.FRIDAY NIGHT...East winds 10 to 15 knots. Bay waters a moderate
chop.
.SATURDAY...East winds 10 to 15 knots. Bay waters a moderate
chop. A chance of showers in the afternoon.
.SATURDAY NIGHT...East winds 15 to 20 knots. Bay waters choppy.
A chance of showers.
.SUNDAY...East winds 10 to 15 knots. Bay waters a moderate chop.
A chance of showers and a slight chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters a
moderate chop. Showers likely.
.MONDAY...South winds 5 to 10 knots. Bay waters a light chop. A
chance of showers and a slight chance of thunderstorms.

$$

GMZ656-657-191815-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
509 AM EDT Thu Apr 19 2018

.TODAY...East northeast winds 5 knots becoming west northwest in
the afternoon. Seas less than 2 feet. Period 4 seconds. Bay and
inland waters a light chop.
.TONIGHT...North northwest winds 5 to 10 knots. Seas around
2 feet. Period 3 seconds. Bay and inland waters a light chop.
.FRIDAY...Nearshore, west winds in the afternoon. Winds north
5 to 10 knots in the morning. Offshore, northwest winds 10 to
15 knots in the afternoon. Seas around 2 feet. Period 3 seconds.
Bay and inland waters a light chop.
.FRIDAY NIGHT...Nearshore, north winds 5 to 10 knots in the
evening. Winds east after midnight. Offshore, north winds 10 to
15 knots in the evening. Seas around 2 feet. Period 3 seconds.
Bay and inland waters a light chop.
.SATURDAY...Nearshore, east southeast winds 5 to 10 knots.
Offshore, east southeast winds 10 to 15 knots becoming south
southeast 5 to 10 knots in the afternoon. Seas around 2 feet.
Bay and inland waters a light chop. A slight chance of showers in
the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots nearshore and east
10 to 15 knots offshore. Seas less than 2 feet nearshore and
2 to 3 feet offshore. Bay and inland waters a light chop. A slight
chance of showers.
.SUNDAY...East southeast winds around 10 knots nearshore and
southeast 10 to 15 knots offshore. Seas less than 2 feet
nearshore and 2 to 3 feet offshore. Bay and inland waters a light
chop. A chance of showers and a slight chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots nearshore and
southeast 10 to 15 knots offshore. Seas around 2 feet. Bay and
inland waters a light chop. A chance of showers.
.MONDAY...South southwest winds around 10 knots. Seas around
2 feet. Bay and inland waters a light chop. A chance of showers
and a slight chance of thunderstorms.

$$

GMZ676-191815-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
509 AM EDT Thu Apr 19 2018

.TODAY...South southeast winds 5 to 10 knots becoming northwest
in the afternoon. Seas less than 2 feet. Period 3 seconds.
.TONIGHT...North northwest winds 5 to 10 knots. Seas around
2 feet. Period 3 seconds.
.FRIDAY...North winds 5 to 10 knots. Seas around 2 feet. Period
3 seconds.
.FRIDAY NIGHT...North winds 10 to 15 knots becoming east after
midnight. Seas 2 to 3 feet. Period 3 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and a slight chance of thunderstorms.
.SUNDAY NIGHT...South southeast winds 10 to 15 knots. Seas
around 2 feet. A chance of showers.
.MONDAY...South southwest winds around 10 knots. Seas 2 to
3 feet. A chance of showers and a slight chance of
thunderstorms.

$$

AMZ610-191815-
Lake Okeechobee-
509 AM EDT Thu Apr 19 2018

.TODAY...West southwest winds 5 to 10 knots becoming southeast
in the afternoon. Lake waters a light chop.
.TONIGHT...West northwest winds 5 to 10 knots. Lake waters a light
chop.
.FRIDAY...North northeast winds 5 to 10 knots. Lake waters a light
chop.
.FRIDAY NIGHT...East northeast winds 10 to 15 knots. Lake waters
a moderate chop. A slight chance of showers in the evening...
then a chance of showers after midnight.
.SATURDAY...East winds 10 to 15 knots. Lake waters a moderate
chop. A chance of showers. A slight chance of
thunderstorms in the afternoon.
.SATURDAY NIGHT...East winds 15 to 20 knots becoming around
10 knots after midnight. Lake waters choppy. A chance of
showers.
.SUNDAY...East southeast winds around 10 knots. Lake waters
light chop. Showers likely and a slight chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters a light
chop. A chance of showers.
.MONDAY...South southwest winds 5 to 10 knots. Lake waters a light
chop. Showers likely and a slight chance of thunderstorms.

$$



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