Coastal Waters Forecast
Issued by NWS Miami, FL

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FZUS52 KMFL 211949
CWFMFL

Coastal Waters Forecast for South Florida
National Weather Service Miami FL
349 PM EDT Wed Oct 21 2020

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-GMZ606-220815-
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-
349 PM EDT Wed Oct 21 2020

.SYNOPSIS...

Hazardous marine conditions are expected for most of the local
waters tonight, and for the Atlantic waters continuing into
Thursday. Breezy easterly winds continue this week, gradually
relaxing towards this weekend. Showers and isolated storms should
continue, with lightning, waterspouts, and locally higher winds
and waves expected.

.GULF STREAM HAZARDS...Seas of 4 to 6 feet. Gusty winds,
lightning, and waterspouts possible.

The approximate location of the west wall of the Gulf Stream as of
Oct 20, 2020 at 1200 UTC...

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

This data courtesy of the Naval Oceanographic Office.


$$

AMZ650-670-220815-
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-
349 PM EDT Wed Oct 21 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.TONIGHT...East winds 10 to 15 knots with gusts to around
25 knots along the coast to east 15 to 20 knots with gusts to
around 25 knots in the Gulf Stream. Seas 3 to 5 feet with
occasional seas to 6 feet. Period 5 seconds. Intracoastal waters
choppy in exposed areas. Slight chance of thunderstorms in the
evening. Chance of showers through the night.
.THURSDAY...East winds 10 to 15 knots with gusts to around
20 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. Chance
of showers.
.THURSDAY NIGHT...East winds around 15 knots with gusts to
around 25 knots. Seas 2 to 4 feet with occasional seas to
5 feet. Period 5 seconds. Intracoastal waters a moderate chop.
Chance of showers.
.FRIDAY...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. Chance of showers and slight chance of
thunderstorms.
.FRIDAY NIGHT...East southeast winds 10 to 15 knots. Seas 2 to
4 feet with occasional seas to 5 feet. Intracoastal waters a
moderate chop. Chance of showers.
.SATURDAY...East winds around 10 knots. Seas 2 to 4 feet with
occasional seas to 5 feet. Intracoastal waters a light chop.
Chance of showers and slight chance of thunderstorms.
.SATURDAY NIGHT...East southeast winds 5 to 10 knots. Seas 2 to
4 feet with occasional seas to 5 feet. North northeast swell
3 feet. Intracoastal waters a light chop. Chance of show and
lightning strikes are possible with any showers and
thunderstorms that do develop over the waters.ers and
thunderstorms.
.SUNDAY AND SUNDAY NIGHT...East northeast winds 5 to 10 knots.
Seas 3 to 5 feet with occasional seas to 6 feet. North northeast
swell 3 feet. Intracoastal waters a light chop. Chance of
thunderstorms. Chance of showers. Slight chance of thunderstorms
after midnight.
.MONDAY...East northeast winds 5 to 10 knots. Seas 3 to 5 feet
with occasional seas to 6 feet. North northeast swell 3 feet.
Intracoastal waters a light chop. Slight chance of showers and
thunderstorms.

$$

AMZ651-671-220815-
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-
349 PM EDT Wed Oct 21 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

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

$$

AMZ630-220815-
Biscayne Bay-
349 PM EDT Wed Oct 21 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.TONIGHT...East winds 15 to 20 knots. Bay waters choppy. Showers
likely and slight chance of thunderstorms.
.THURSDAY...East winds around 15 knots with gusts to around
20 knots. Bay waters a moderate chop. Chance of showers through
the day. Slight chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds around 15 knots with gusts to
around 20 knots. Bay waters a moderate chop. Chance of showers.
.FRIDAY...East winds 10 to 15 knots. Bay waters a moderate chop.
Chance of showers and slight chance of thunderstorms.
.FRIDAY NIGHT...East winds 10 to 15 knots. Bay waters a moderate
chop. Chance of showers.
.SATURDAY...East winds around 10 knots. Bay waters a light chop.
Slight chance of thunderstorms in the morning. Chance of showers
. Chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters a
light chop. Chance of showers and thunderstorms.
.SUNDAY...South southeast winds around 5 knots. Bay waters
smooth. Chance of showers and thunderstorms.
.SUNDAY NIGHT...East southeast winds around 5 knots. Bay waters
smooth. Chance of thunderstorms in the evening. Chance of
showers through the night. Slight chance of thunderstorms after
midnight.
.MONDAY...East winds 5 to 10 knots. Bay waters a light chop.
Slight chance of showers in the morning. Slight chance of
thunderstorms. Chance of showers in the
afternoon.

$$

GMZ656-657-220815-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
349 PM EDT Wed Oct 21 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...East winds 10 to 15 knots with gusts to around
25 knots nearshore and east 15 to 20 knots with gusts to around
30 knots offshore. Seas less than 2 feet nearshore and 2 to
3 feet offshore. Period 3 seconds. Bay and inland waters a
moderate chop. Slight chance of thunderstorms in the evening.
Showers likely through the night.
.THURSDAY...East winds 10 to 20 knots with gusts to around
25 knots. Seas less than 2 feet nearshore and 2 to 3 feet
offshore. Period 3 seconds. Bay and inland waters a moderate
chop. Chance of showers and slight chance of thunderstorms in
the morning, then showers likely and chance of thunderstorms in
the afternoon.
.THURSDAY NIGHT...East winds 10 to 15 knots with gusts to around
20 knots. Seas less than 2 feet nearshore and 2 to 3 feet
offshore. Period 3 seconds. Bay and inland waters a light chop.
Chance of showers.
.FRIDAY...East winds 10 to 15 knots with gusts to around
20 knots. Seas around 2 feet. Period 3 seconds. Bay and inland
waters a light chop. Chance of showers in the morning. Slight
chance of thunderstorms. Showers likely in the
afternoon.
.FRIDAY NIGHT...East winds around 10 knots with gusts to around
20 knots nearshore and east 10 to 15 knots with gusts to around
20 knots offshore. Seas around 2 feet. Bay and inland waters a
light chop. Chance of showers.
.SATURDAY...East winds 5 to 10 knots. Seas around 2 feet. Bay
and inland waters a light chop. Slight chance of thunderstorms
in the morning. Chance of showers. Chance of
thunderstorms in the afternoon.
.SATURDAY NIGHT...East northeast winds 5 to 10 knots. Offshore,
gusts up to 20 knots in the evening. Seas less than 2 feet. Bay
and inland waters a light chop. Chance of thunderstorms in the
evening. Chance of showers through the night. Slight chance of
thunderstorms after midnight.
.SUNDAY...East southeast winds 5 to 10 knots. Seas less than
2 feet. Bay and inland waters a light chop. Chance of showers
and thunderstorms.
.SUNDAY NIGHT...East northeast winds 5 to 10 knots. Seas less
than 2 feet. Bay and inland waters a light chop. Slight chance
of showers and thunderstorms.
.MONDAY...East southeast winds 5 to 10 knots. Seas less than
2 feet. Bay and inland waters a light chop. Slight chance of
showers and thunderstorms.

$$

GMZ676-220815-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
349 PM EDT Wed Oct 21 2020

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...East winds 15 to 20 knots with gusts to around
30 knots. Seas 2 to 4 feet with occasional seas to 5 feet.
Period 5 seconds. Showers likely in the evening. Slight chance
of thunderstorms through the night. Chance of showers after
midnight.
.THURSDAY...East southeast winds 10 to 20 knots with gusts to
around 25 knots. Seas 2 to 4 feet with occasional seas to
5 feet. Period 5 seconds. Chance of showers and slight chance of
thunderstorms in the morning, then showers likely and chance of
thunderstorms in the afternoon.
.THURSDAY NIGHT...East winds around 15 knots with gusts to
around 20 knots. Seas 2 to 3 feet. Period 4 seconds. Chance of
showers.
.FRIDAY...East winds 10 to 15 knots with gusts to around
20 knots. Seas 2 to 3 feet. Period 4 seconds. Chance of showers
in the morning. Slight chance of thunderstorms.
Showers likely in the afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots with gusts to around
20 knots. Seas around 2 feet. Chance of showers.
.SATURDAY...East winds 5 to 15 knots. Seas around 2 feet. Chance
of showers and slight chance of thunderstorms.
.SATURDAY NIGHT...East northeast winds 5 to 10 knots. Gusts up
to 20 knots in the evening. Seas less than 2 feet. Chance of
showers and thunderstorms in the evening, then slight chance of
showers and thunderstorms after midnight.
.SUNDAY...East northeast winds 5 to 10 knots. Seas less than
2 feet. Chance of showers and slight chance of thunderstorms.
.SUNDAY NIGHT AND MONDAY...East winds 5 to 10 knots. Seas less
than 2 feet. Slight chance of thunderstorms in the evening.
Slight chance of showers. Slight chance of thunderstorms in the
afternoon.

$$

AMZ610-220815-
Lake Okeechobee-
349 PM EDT Wed Oct 21 2020

.TONIGHT...East winds 5 to 15 knots. Lake waters a moderate
chop. Chance of showers.
.THURSDAY...East winds 10 to 15 knots with gusts to around
20 knots. Lake waters a moderate chop. Chance of showers and
slight chance of thunderstorms.
.THURSDAY NIGHT...East winds 5 to 10 knots. Lake waters a light
chop. Slight chance of showers through the night.
.FRIDAY...East winds 5 to 10 knots. Lake waters a light chop.
Chance of showers and slight chance of thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. Lake waters a light
chop. Slight chance of showers through the night.
.SATURDAY...East winds 5 to 10 knots. Lake waters a light chop.
Chance of showers and slight chance of thunderstorms in the
morning, then showers likely and chance of thunderstorms in the
afternoon.
.SATURDAY NIGHT AND SUNDAY...East northeast winds 5 to 10 knots.
Lake waters a light chop. Chance of showers and thunderstorms.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters a
light chop.
.MONDAY...East northeast winds 5 to 10 knots. Lake waters a
light chop. Slight chance of showers and thunderstorms in the
afternoon.

$$



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