Preview of NWS' New Version of Forecast
This preview is not operational and should not be used for support decisions.

Coastal Waters Forecast (CWF)

Issued by Miami - South Florida (MFL)

                            
000
FZUS52 KMFL 231950
CWFMFL

Coastal Waters Forecast for South Florida
National Weather Service Miami FL
350 PM EDT Fri Aug 23 2019

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-GMZ606-240830-
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-
350 PM EDT Fri Aug 23 2019

.SYNOPSIS...
A tropical disturbance approaching the region will bring
generally southeast to southerly winds across the local waters 
for the next couple of days. Seas in the Atlantic will be around
2-3 feet, occasionally higher. Seas in the Gulf will be 
generally 2 feet or less. Increased moisture across the area will
lead to increased periods of showers and thunderstorms across 
all South Florida waters. Gusty and erratic winds with locally 
higher seas are possible in and around any convection.

.GULF STREAM HAZARDS...Lightning, gusty winds, locally higher
seas, and waterspouts are possible with showers and 
thunderstorms over the Gulf Stream.


The approximate location of the west wall of the Gulf Stream as of
Aug 22, 2019 at 1200 UTC...

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

This data courtesy of the Naval Oceanographic Office.


$$

AMZ650-670-240830-
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-
350 PM EDT Fri Aug 23 2019

...SMALL CRAFT EXERCISE CAUTION...

.TONIGHT...Southeast winds around 15 knots. Seas 2 to 3 feet. 
Period 5 seconds. Intracoastal waters a light chop. Showers 
likely and chance of thunderstorms. 
.SATURDAY...Southeast winds 5 to 15 knots along the coast to
south southeast 10 to 15 knots in the Gulf Stream. Seas 2 to
3 feet. Period 5 seconds. Intracoastal waters a light chop.
Showers likely in the morning. Chance of thunderstorms through
the day. Showers in the afternoon. 
.SATURDAY NIGHT...South winds 5 to 10 knots along the coast to
south 10 to 15 knots in the Gulf Stream. Seas around 2 feet.
Period 4 seconds. Intracoastal waters a light chop. Showers
likely and slight chance of thunderstorms. 
.SUNDAY...South winds 10 to 15 knots. Seas around 2 feet. Period
4 seconds. Intracoastal waters a light chop. Light showers
likely and chance of thunderstorms. 
.SUNDAY NIGHT...South southwest winds 10 to 15 knots. Seas
around 2 feet. Intracoastal waters a light chop. Light showers
likely and slight chance of thunderstorms. 
.MONDAY...South southwest winds around 10 knots. Seas less than
2 feet. Intracoastal waters a light chop. Light showers likely
and chance of thunderstorms. 
.MONDAY NIGHT...West southwest winds 5 to 10 knots. Seas less
than 2 feet. Intracoastal waters a light chop. Chance of
thunderstorms in the evening. Chance of light showers through
the night. Slight chance of thunderstorms after midnight. 
.TUESDAY...South southwest winds around 5 knots. Seas less than
2 feet. Intracoastal waters smooth. Chance of showers in the
morning. Chance of thunderstorms. Showers likely
in the afternoon. 
.TUESDAY NIGHT...West winds 5 to 10 knots. Seas less than
2 feet. Intracoastal waters a light chop. Chance of showers and
slight chance of thunderstorms through the night. 
.WEDNESDAY...North northwest winds 5 to 10 knots becoming
southwest in the evening. Seas around 2 feet. Intracoastal
waters a light chop. Chance of showers in the morning. Chance of
thunderstorms. Showers likely in the afternoon. 

$$

AMZ651-671-240830-
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-
350 PM EDT Fri Aug 23 2019

.TONIGHT...South southeast winds 10 to 15 knots. Seas around
2 feet. Period 3 seconds. Intracoastal waters a light chop.
Chance of thunderstorms in the evening. Showers likely through
the night. Slight chance of thunderstorms after midnight. 
.SATURDAY...South winds 10 to 15 knots. Seas around 2 feet.
Period 4 seconds. Intracoastal waters a light chop. Showers
likely in the morning. Chance of thunderstorms.
Chance of light showers in the afternoon. 
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas around
2 feet. Period 3 seconds. Intracoastal waters a light chop.
Chance of light showers in the evening. Slight chance of
thunderstorms through the night. Showers likely after midnight. 
.SUNDAY...South southwest winds 10 to 15 knots. Seas around
2 feet. Period 3 seconds. Intracoastal waters a light chop.
Chance of light showers and thunderstorms. 
.SUNDAY NIGHT...South southwest winds 5 to 10 knots. Seas less
than 2 feet. Intracoastal waters a light chop. Slight chance of
thunderstorms in the evening. Chance of light showers through
the night. 
.MONDAY...South southwest winds 5 to 10 knots. Seas less than
2 feet. Intracoastal waters a light chop. Slight chance of
thunderstorms in the morning. Chance of light showers through
the day. Chance of thunderstorms in the afternoon. 
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas less than
2 feet. Intracoastal waters a light chop. Slight chance of light
showers and thunderstorms. 
.TUESDAY...South southwest winds around 5 knots. Seas less than
2 feet. Intracoastal waters smooth. Slight chance of
thunderstorms in the morning. Chance of showers.
Chance of thunderstorms in the afternoon. 
.TUESDAY NIGHT...Southwest winds around 5 knots becoming west
northwest in the morning. Seas less than 2 feet. Intracoastal
waters smooth. Chance of showers in the evening. Slight chance
of thunderstorms through the night. Slight chance of showers
after midnight. 
.WEDNESDAY...North winds around 5 knots becoming south in the
evening. Seas less than 2 feet. Intracoastal waters smooth.
Slight chance of thunderstorms in the morning. Chance of showers
. Chance of thunderstorms in the afternoon. 

$$

AMZ630-240830-
Biscayne Bay-
350 PM EDT Fri Aug 23 2019

.TONIGHT...South winds 5 to 10 knots. Bay waters a light chop.
Chance of thunderstorms in the evening. Chance of light showers
through the night. Slight chance of thunderstorms after
midnight. 
.SATURDAY...South winds 5 to 10 knots. Bay waters a light chop.
Chance of light showers and thunderstorms. 
.SATURDAY NIGHT...South southwest winds 5 to 10 knots. Bay
waters a light chop. Chance of showers and slight chance of
thunderstorms through the night. 
.SUNDAY...South southwest winds 5 to 10 knots. Bay waters a
light chop. Chance of light showers and thunderstorms. 
.SUNDAY NIGHT...South southwest winds 5 to 10 knots. Bay waters
a light chop. Slight chance of light showers in the evening,
then chance of light showers after midnight. 
.MONDAY...South southwest winds 5 to 10 knots. Bay waters a
light chop. Chance of light showers and thunderstorms. 
.MONDAY NIGHT...Southwest winds 5 knots in the evening becoming
variable winds less than 5 knots, then becoming southwest
5 knots in the morning. Bay waters smooth. 
.TUESDAY...South southwest winds around 5 knots. Bay waters
smooth. Chance of showers and thunderstorms. 
.TUESDAY NIGHT...West winds around 5 knots. Bay waters smooth. 
.WEDNESDAY...North winds around 5 knots becoming east northeast
in the afternoon, then becoming south southeast in the evening.
Bay waters smooth. Chance of showers and thunderstorms. 

$$

GMZ656-657-240830-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
350 PM EDT Fri Aug 23 2019

.TONIGHT...Northeast winds 5 to 10 knots becoming southeast
after midnight. Seas less than 2 feet. Period 3 seconds. Bay and
inland waters a light chop. 
.SATURDAY...South southeast winds 5 to 10 knots becoming
southwest in the afternoon. Seas less than 2 feet. Period
3 seconds. Bay and inland waters a light chop. Chance of light
showers and thunderstorms in the afternoon. 
.SATURDAY NIGHT...South southwest winds 5 to 10 knots. Seas less
than 2 feet. Period 2 seconds. Bay and inland waters a light
chop. Slight chance of light showers in the evening. Slight
chance of thunderstorms through the night. Chance of light
showers after midnight. 
.SUNDAY...South southwest winds 5 to 10 knots. Seas less than
2 feet. Period 3 seconds. Bay and inland waters a light chop.
Chance of light showers and thunderstorms. 
.SUNDAY NIGHT...South southwest winds 5 to 10 knots. Seas less
than 2 feet. Bay and inland waters a light chop. Slight chance
of thunderstorms in the evening. Chance of light showers through
the night. 
.MONDAY...Southwest winds 5 to 10 knots. Seas less than 2 feet.
Bay and inland waters a light chop. Slight chance of
thunderstorms in the morning. Chance of light showers through
the day. Chance of thunderstorms in the afternoon. 
.MONDAY NIGHT...South southwest winds 5 to 10 knots. Seas less
than 2 feet. Bay and inland waters a light chop. Slight chance
of light showers after midnight. 
.TUESDAY...West winds around 5 knots. Seas less than 2 feet. Bay
and inland waters smooth. Slight chance of thunderstorms in the
morning. Chance of showers. Chance of
thunderstorms in the afternoon. 
.TUESDAY NIGHT...Northwest winds around 5 knots. Seas less than
2 feet. Bay and inland waters smooth. Slight chance of showers
after midnight. 
.WEDNESDAY...Northwest winds 5 to 10 knots. Seas less than
2 feet. Bay and inland waters a light chop. Chance of showers
and thunderstorms. 

$$

GMZ676-240830-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
350 PM EDT Fri Aug 23 2019

.TONIGHT...East northeast winds 5 to 15 knots. Seas around
2 feet. Period 4 seconds. Slight chance of light showers after
midnight. 
.SATURDAY...Northeast winds 5 to 10 knots becoming northwest in
the afternoon. Seas less than 2 feet. Period 4 seconds. Slight
chance of light showers. Slight chance of
thunderstorms in the afternoon. 
.SATURDAY NIGHT...South southwest winds 5 to 10 knots. Seas less
than 2 feet. Period 3 seconds. Chance of light showers through
the night. Slight chance of thunderstorms after midnight. 
.SUNDAY...Southwest winds 5 to 10 knots. Seas less than 2 feet.
Period 3 seconds. Slight chance of thunderstorms in the morning.
Chance of light showers. Chance of thunderstorms
in the afternoon. 
.SUNDAY NIGHT AND MONDAY...Southwest winds 5 to 10 knots. Seas
less than 2 feet. Slight chance of thunderstorms in the evening.
Chance of light showers. Slight chance of thunderstorms in the
morning. 
.MONDAY NIGHT...South southwest winds 5 to 10 knots. Seas less
than 2 feet. Slight chance of light showers after midnight. 
.TUESDAY...West winds around 5 knots. Seas less than 2 feet.
Chance of showers in the morning. Slight chance of thunderstorms
. Slight chance of showers in the afternoon. 
.TUESDAY NIGHT...West northwest winds around 5 knots. Seas less
than 2 feet. Slight chance of showers after midnight. 
.WEDNESDAY...Northwest winds 5 to 10 knots. Seas less than
2 feet. Chance of showers in the morning. Slight chance of
thunderstorms. Slight chance of showers in the
afternoon. 

$$

AMZ610-240830-
Lake Okeechobee-
350 PM EDT Fri Aug 23 2019

.TONIGHT...East southeast winds 5 to 10 knots. Lake waters a
light chop. Slight chance of thunderstorms in the evening.
Chance of light showers through the night. 
.SATURDAY...East southeast winds 5 to 10 knots. Lake waters a
light chop. Chance of light showers and thunderstorms in the
morning, then light showers and thunderstorms likely in the
afternoon. 
.SATURDAY NIGHT...South southeast winds 5 to 10 knots. Lake
waters a light chop. Chance of light showers and slight chance
of thunderstorms in the evening, then slight chance of light
showers after midnight. 
.SUNDAY...South southwest winds 5 to 10 knots. Lake waters a
light chop. Chance of light showers in the morning. Chance of
thunderstorms. Showers likely in the afternoon. 
.SUNDAY NIGHT...South southwest winds 5 to 10 knots. Lake waters
a light chop. Slight chance of thunderstorms in the evening.
Chance of light showers through the night. 
.MONDAY...Southwest winds 5 to 10 knots. Lake waters a light
chop. Chance of light showers in the morning. Chance of
thunderstorms. Showers likely in the afternoon. 
.MONDAY NIGHT...Southwest winds around 5 knots. Lake waters
smooth. Slight chance of light showers and thunderstorms in the
evening. 
.TUESDAY...West southwest winds around 5 knots. Lake waters
smooth. Chance of showers and thunderstorms. 
.TUESDAY NIGHT...West winds around 5 knots. Lake waters smooth. 
.WEDNESDAY...West winds around 5 knots. Lake waters smooth.
Chance of showers and thunderstorms in the morning, then showers
and thunderstorms likely in the afternoon. 

$$