Coastal Waters Forecast
Issued by NWS Miami, FL

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181
FZUS52 KMFL 180809
CWFMFL

Coastal Waters Forecast for South Florida
National Weather Service Miami FL
409 AM EDT Fri Aug 18 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-GMZ606-181630-
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-
409 AM EDT Fri Aug 18 2017

.SYNOPSIS...Light to moderate east-southeast flow will continue over
the local South Florida waters today, before increasing late on
Saturday as a tropical wave moves through the region. Cautionary
conditions will be possible at times on Sunday and into early
next week.

Isolated to scattered showers and storms are expected over the local
waters today and tonight, becoming more numerous on Saturday and
through much of next week as the unsettled pattern continues.

.GULF STREAM HAZARDS...none.

The approximate location of the west wall of the Gulf Stream as of
Aug 17, 2017 at 1200 UTC...

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

This data courtesy of the Naval Oceanographic Office.

$$

AMZ650-670-181630-
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-
409 AM EDT Fri Aug 18 2017

.TODAY...East southeast winds 5 to 10 knots. Seas around 2 feet.
Period 3 seconds. Intracoastal waters a light chop. A slight
chance of showers and thunderstorms in the morning.
.TONIGHT...East southeast winds 5 to 10 knots. Seas around
2 feet. Period 3 seconds. Intracoastal waters a light chop. A
chance of showers and a slight chance of thunderstorms.
.SATURDAY...East southeast winds 10 to 15 knots. Seas around
2 feet. Period 4 seconds. Intracoastal waters a moderate chop.
Showers likely and a chance of thunderstorms.
.SATURDAY NIGHT...East southeast winds 10 to 15 knots. Seas 2 to
3 feet. Period 4 seconds. Intracoastal waters a moderate chop. A
chance of showers in the evening. A chance of thunderstorms
through the night. Showers likely after midnight.
.SUNDAY...East southeast winds 10 to 15 knots with gusts to
around 25 knots. Seas 2 to 3 feet. Intracoastal waters a
moderate chop. Showers likely in the morning. A chance of
thunderstorms. A chance of showers in the
afternoon.
.SUNDAY NIGHT...East southeast winds around 15 knots. Seas 2 to
4 feet with occasional seas to 5 feet. Intracoastal waters a
moderate chop. A chance of showers and a slight chance of
thunderstorms.
.MONDAY...East winds 15 to 20 knots. Seas 2 to 4 feet with
occasional seas to 5 feet. Intracoastal waters choppy in exposed
areas. A slight chance of showers and thunderstorms.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Intracoastal waters choppy in exposed
areas. A chance of showers and thunderstorms.
.TUESDAY...East winds around 15 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Intracoastal waters a moderate chop.
Showers likely and a chance of thunderstorms.

$$

AMZ651-671-181630-
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-
409 AM EDT Fri Aug 18 2017

.TODAY...East southeast winds 5 to 10 knots. Seas around 2 feet.
Period 3 seconds. Intracoastal waters a light chop. A slight
chance of showers and thunderstorms in the morning.
.TONIGHT...East winds 5 to 10 knots along the coast to east
southeast 10 to 15 knots in the Gulf Stream. Seas around 2 feet.
Period 3 seconds. Intracoastal waters a moderate chop. A chance
of showers and a slight chance of thunderstorms.
.SATURDAY...East southeast winds 10 to 15 knots. Seas around
2 feet. Period 4 seconds. Intracoastal waters a moderate chop.
Showers likely and a chance of thunderstorms.
.SATURDAY NIGHT...East southeast winds 10 to 15 knots with gusts
to around 25 knots. Seas 2 to 3 feet. Period 4 seconds.
Intracoastal waters a moderate chop. A chance of showers in the
evening. A chance of thunderstorms through the night. Showers
likely after midnight.
.SUNDAY...East southeast winds 10 to 15 knots with gusts to
around 25 knots. Seas 2 to 4 feet with occasional seas to
5 feet. Intracoastal waters a moderate chop. Showers likely in
the morning. A chance of thunderstorms. A chance
of showers in the afternoon.
.SUNDAY NIGHT...East southeast winds 15 to 20 knots. Seas 2 to
4 feet with occasional seas to 5 feet. Intracoastal waters
choppy in exposed areas. A chance of showers and a slight chance
of thunderstorms.
.MONDAY AND MONDAY NIGHT...East winds 15 to 20 knots. Seas 3 to
5 feet with occasional seas to 6 feet. Intracoastal waters
choppy in exposed areas. A chance of showers and thunderstorms.
.TUESDAY...East winds around 15 knots. Seas 2 to 4 feet with
occasional seas to 5 feet. Intracoastal waters a moderate chop.
Showers likely and a chance of thunderstorms.

$$

AMZ630-181630-
Biscayne Bay-
409 AM EDT Fri Aug 18 2017

.TODAY...East southeast winds 5 to 10 knots. Bay waters a light
chop. A slight chance of showers and thunderstorms in the
morning.
.TONIGHT...East winds 5 to 10 knots. Bay waters a light chop. A
chance of showers and a slight chance of thunderstorms.
.SATURDAY...East winds around 10 knots. Bay waters a light chop.
Showers likely and a chance of thunderstorms.
.SATURDAY NIGHT...East southeast winds 10 to 15 knots. Bay
waters a moderate chop. A chance of showers in the evening. A
chance of thunderstorms through the night. Showers likely after
midnight.
.SUNDAY...East southeast winds 10 to 15 knots. Bay waters a
moderate chop. Showers likely in the morning. A chance of
thunderstorms. A chance of showers in the
afternoon.
.SUNDAY NIGHT...East southeast winds around 15 knots. Bay waters
a moderate chop. A slight chance of showers and thunderstorms.
.MONDAY AND MONDAY NIGHT...East winds around 15 knots. Bay
waters a moderate chop. A chance of showers and thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Bay waters a moderate
chop. Showers likely and a chance of thunderstorms.

$$

GMZ656-657-181630-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
409 AM EDT Fri Aug 18 2017

.TODAY...Southeast winds around 5 knots becoming south southwest
in the afternoon. Seas less than 2 feet. Period 3 seconds. Bay
and inland waters smooth. A slight chance of showers and
thunderstorms in the morning...then a chance of showers and
thunderstorms in the afternoon.
.TONIGHT...East northeast winds 5 to 10 knots. Seas less than
2 feet. Period 2 seconds. Bay and inland waters a light chop. A
slight chance of showers and thunderstorms in the evening.
.SATURDAY...North northeast winds 5 to 10 knots. Seas less than
2 feet. Period 2 seconds. Bay and inland waters a light chop. A
chance of showers in the morning. A chance of thunderstorms.
Showers likely in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots nearshore and east 10
to 15 knots offshore. Seas around 2 feet. Period 2 seconds. Bay
and inland waters a light chop. A chance of showers and
thunderstorms.
.SUNDAY...East southeast winds 5 to 10 knots nearshore and east
southeast 10 to 15 knots offshore. Seas around 2 feet. Bay and
inland waters a light chop. Showers likely and a chance of
thunderstorms.
.SUNDAY NIGHT...East winds around 10 knots with gusts to around
20 knots nearshore and east 10 to 15 knots offshore. Seas around
2 feet. Bay and inland waters a light chop. A slight chance of
showers and thunderstorms.
.MONDAY...East winds 10 to 15 knots. Seas less than 2 feet
nearshore and 2 to 3 feet offshore. Bay and inland waters a light
chop. A chance of showers and thunderstorms.
.MONDAY NIGHT AND TUESDAY...East winds 10 to 15 knots. Seas
around 2 feet. Bay and inland waters a light chop. A chance of
showers and thunderstorms.

$$

GMZ676-181630-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
409 AM EDT Fri Aug 18 2017

.TODAY...Southeast winds around 5 knots. Seas less than 2 feet.
Period 3 seconds. A chance of showers and thunderstorms in the
morning. A slight chance of showers and thunderstorms in the
afternoon.
.TONIGHT...East southeast winds 5 to 10 knots. Seas less than
2 feet. Period 2 seconds. A slight chance of showers and
thunderstorms in the evening.
.SATURDAY...Northeast winds 5 to 10 knots. Seas less than
2 feet. Period 2 seconds. A slight chance of showers and
thunderstorms in the morning...then a chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet.
Period 3 seconds. A chance of showers and thunderstorms.
.SUNDAY...East southeast winds 10 to 15 knots. Seas around
2 feet. Showers likely and a chance of thunderstorms.
.SUNDAY NIGHT...East southeast winds 10 to 15 knots. Seas 2 to
3 feet. A chance of showers and a slight chance of
thunderstorms.
.MONDAY THROUGH TUESDAY...East winds 10 to 15 knots. Seas 2 to
4 feet with occasional seas to 5 feet. A chance of showers and
thunderstorms.

$$

AMZ610-181630-
Lake Okeechobee-
409 AM EDT Fri Aug 18 2017

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

$$



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