Coastal Waters Forecast
Issued by NWS Miami, FL

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FZUS52 KMFL 201935
CWFMFL

Coastal Waters Forecast for South Florida
National Weather Service Miami FL
335 PM EDT Fri Apr 20 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-GMZ606-210815-
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-
335 PM EDT Fri Apr 20 2018

.SYNOPSIS...A cold front will push southward down the Florida
Peninsula and stall over the Lake Okeechobee region tonight.
Marine conditions will begin to deteriorate starting tonight as
wind speeds pick up, particularly over the Atlantic waters,
where a Small Craft Advisory has been hoisted. Showers and
thunderstorms will bring locally higher winds and waves late this
weekend into early next week. Conditions will gradually improve
early to mid next week.

.GULF STREAM HAZARDS...Deteriorating conditions over the weekend
with 7 to 8 foot seas expected.

The approximate location of the west wall of the Gulf Stream as of
Apr 19, 2018 at 1200 UTC...

  7 nautical miles east northeast of Fowey Rocks.
  9 nautical miles east northeast of Port Everglades.
  7 nautical miles east northeast of Lake Worth.
  7 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ650-670-210815-
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-
335 PM EDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
LATE SATURDAY NIGHT...

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

$$

AMZ651-671-210815-
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-
335 PM EDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON
THROUGH LATE SATURDAY NIGHT...

.TONIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Period
3 seconds. Intracoastal waters a light chop. A slight chance of
showers after midnight.
.SATURDAY...East winds 10 to 15 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. Period 9 seconds.
Intracoastal waters a moderate chop. A slight chance of showers
in the morning...then a chance of showers in the afternoon.
.SATURDAY NIGHT...East winds 10 to 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 along the coast and 5 to 7 feet with
occasional to 9 feet in the Gulf Stream. Period 8 seconds.
Intracoastal waters choppy in exposed areas. A chance of showers
through the night. A slight chance of thunderstorms after
midnight.
.SUNDAY...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas to 8 feet. Period 8 seconds. Intracoastal waters
a moderate chop. A chance of showers and a slight chance of
thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots along the coast
to east southeast 15 to 20 knots in the Gulf Stream. Seas 2 to
4 feet with occasional seas to 5 feet. Intracoastal waters
choppy in exposed areas. Showers likely and a slight chance of
thunderstorms.
.MONDAY...Southeast winds 10 to 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.
.MONDAY NIGHT...South southeast winds 10 to 15 knots. Seas 2 to
3 feet. Intracoastal waters a light chop. Showers likely and a
chance of thunderstorms.
.TUESDAY...South southwest winds 5 to 10 knots along the coast
to south southwest 10 to 15 knots in the Gulf Stream. Seas 2 to
3 feet. Intracoastal waters a light chop. Showers likely and a
slight chance of thunderstorms.
.TUESDAY NIGHT AND WEDNESDAY...West winds 5 to 10 knots along
the coast to west southwest 10 to 15 knots in the Gulf Stream.
Seas around 2 feet. Intracoastal waters a light chop. A chance of
showers.

$$

AMZ630-210815-
Biscayne Bay-
335 PM EDT Fri Apr 20 2018

.TONIGHT...East winds 5 to 10 knots. Bay waters a light chop.
.SATURDAY...East winds 5 to 10 knots. Bay waters a light chop. A
slight chance of showers in the afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots. Bay waters a
moderate chop. A chance of showers through the night. A slight
chance of thunderstorms after midnight.
.SUNDAY...East southeast winds 10 to 15 knots. Bay waters a
moderate chop. A slight chance of thunderstorms in the morning.
A chance of showers.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters a
moderate chop. Showers likely in the evening...then a chance of
showers and a slight chance of thunderstorms after midnight.
.MONDAY...South southeast winds 5 to 10 knots. Bay waters a light
chop. Showers likely and a chance of thunderstorms.
.MONDAY NIGHT...South winds 5 to 10 knots. Bay waters a light
chop. A chance of showers and a slight chance of thunderstorms.
.TUESDAY...South southwest winds 5 to 10 knots. Bay waters a light
chop. A chance of showers and a slight chance of thunderstorms.
.TUESDAY NIGHT...West winds 5 to 10 knots. Bay waters a light
chop. A chance of showers.
.WEDNESDAY...West winds 5 knots becoming west southwest in the
afternoon. Bay waters a light chop. A slight chance of showers.

$$

GMZ656-657-210815-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
335 PM EDT Fri Apr 20 2018

.TONIGHT...North northwest winds 5 to 10 knots becoming east
northeast after midnight. Seas around 2 feet. Period 3 seconds.
Bay and inland waters a light chop.
.SATURDAY...East southeast winds 5 to 10 knots becoming south in
the afternoon. Seas around 2 feet. Period 2 seconds. Bay and
inland waters a light chop. A chance of showers in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Period 3 seconds. Bay and inland waters a light chop. A chance of
showers in the evening.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Period 3 seconds. Bay and inland waters a light chop. A chance of
showers.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Bay and inland waters a light chop. A chance of showers.
.MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Bay and
inland waters a light chop. A chance of showers and a slight
chance of thunderstorms.
.MONDAY NIGHT...South southwest winds 5 knots. Seas less than
2 feet. Bay and inland waters smooth. A chance of showers and a
slight chance of thunderstorms.
.TUESDAY...West southwest winds 5 to 10 knots. Seas 2 to 3 feet.
Bay and inland waters a light chop. A chance of showers and a
slight chance of thunderstorms.
.TUESDAY NIGHT AND WEDNESDAY...West winds 5 to 10 knots. Seas
2 to 3 feet. Bay and inland waters a light chop. A slight chance
of showers.

$$

GMZ676-210815-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
335 PM EDT Fri Apr 20 2018

.TONIGHT...North northwest winds 5 to 10 knots becoming east
northeast after midnight. Seas around 2 feet. Period 3 seconds.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Period 5 seconds.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas less than
2 feet building to 2 to 3 feet after midnight. Period 3 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Period 4 seconds. A slight chance of showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. A chance of showers.
.MONDAY...South winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and a slight chance of thunderstorms.
.MONDAY NIGHT...South southwest winds around 5 knots. Seas less
than 2 feet. A slight chance of showers and thunderstorms.
.TUESDAY...West southwest winds 5 to 10 knots. Seas 2 to 3 feet.
A chance of showers and a slight chance of thunderstorms.
.TUESDAY NIGHT...West northwest winds around 10 knots. Seas 2 to
3 feet. A slight chance of showers.
.WEDNESDAY...West northwest winds 5 to 10 knots. Seas 2 to
3 feet.

$$

AMZ610-210815-
Lake Okeechobee-
335 PM EDT Fri Apr 20 2018

.TONIGHT...East winds 5 to 10 knots. Lake waters a light chop. A
slight chance of showers after midnight.
.SATURDAY...East winds 10 to 15 knots. Lake waters a moderate
chop. A slight chance of showers in the morning...then a chance
of showers in the afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots. Lake waters a
moderate chop. A slight chance of thunderstorms in the evening.
A chance of showers through the night.
.SUNDAY...East winds 5 to 10 knots. Lake waters a light chop. A
chance of showers in the morning...then showers likely and a
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters a
moderate chop. A chance of showers.
.MONDAY...South southeast winds 5 to 10 knots. Lake waters a light
chop. Showers likely and a chance of thunderstorms.
.MONDAY NIGHT...South southwest winds 5 to 10 knots. Lake waters
light chop. A chance of showers and a slight chance of
thunderstorms.
.TUESDAY...West southwest winds 5 to 10 knots. Lake waters a light
chop. A chance of showers and a slight chance of thunderstorms.
.TUESDAY NIGHT AND WEDNESDAY...West winds 5 to 10 knots. Lake
waters a light chop.

$$



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