Coastal Waters Forecast
Issued by NWS Miami, FL

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FZUS52 KMFL 220821
CWFMFL

Coastal Waters Forecast for South Florida
National Weather Service Miami FL
321 AM EST Mon Jan 22 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-GMZ606-221730-
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-
321 AM EST Mon Jan 22 2018

.SYNOPSIS...
High pressure will keep the weather dry for one more day before a
cold front moves into the area tomorrow. This front will bring a
chance of showers to the area early Tuesday, and keep chances over
the area into Wednesday night. There is also a slight chance of a few
thunderstorms tomorrow near the shoreline. The timing of the
cold front tomorrow is still somewhat uncertain, although the
wind is forecast to begin tomorrow out of the southeast, turning
southwest in the early to mid afternoon. Models then have the
frontal passage in the evening hours, with the wind turning
northeast, then northerly behind it. The forecast then calls for
a day of quiet weather Thursday, as a strong high builds well to
the north. This will turn the wind back to the east, and bring
breezy conditions to South Florida by Friday, with the wind
speeds between 25 and 30 kts possible in the Atlantic waters
Friday and Saturday, with gusts up to 30 to 35 kts.

.GULF STREAM HAZARDS...Seas are forecast to build to over 7 feet
in the Gulf stream for the latter half of the week.

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

  6 nautical miles east southeast of Fowey Rocks.
 12 nautical miles east northeast of Port Everglades.
  5 nautical miles east of Lake Worth.
 11 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.


$$

AMZ650-670-221730-
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-
321 AM EST Mon Jan 22 2018

.TODAY...East southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Period 4 seconds. Intracoastal waters a moderate chop.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Period 4 seconds. Intracoastal waters a moderate chop.
.TUESDAY...South southeast winds 5 to 10 knots. Seas around
2 feet. Period 5 seconds. Intracoastal waters a light chop. A
chance of showers. A slight chance of
thunderstorms in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots becoming northwest
after midnight. Seas around 2 feet. Period 6 seconds.
Intracoastal waters a light chop. A chance of showers and a slight
chance of thunderstorms.
.WEDNESDAY...North northeast winds 10 to 15 knots. Seas 2 to
4 feet with occasional seas to 5 feet. Intracoastal waters a light
chop. A slight chance of thunderstorms in the morning. A chance
of showers.
.WEDNESDAY NIGHT...North northeast winds around 15 knots along
the coast to north northeast 15 to 20 knots in the Gulf Stream.
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 a moderate chop. A slight chance of showers.
.THURSDAY...Northeast winds 15 to 20 knots along the coast to
northeast 15 to 20 knots with gusts to around 30 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. Intracoastal waters choppy in exposed areas.
.THURSDAY NIGHT...East northeast winds 15 to 20 knots with gusts
to around 30 knots along the coast to east northeast 20 to
25 knots in the Gulf Stream. Seas 5 to 7 feet with occasional
seas to 9 feet along the coast and 7 to 9 feet with occasional
to 11 feet in the Gulf Stream. Intracoastal waters rough in
exposed areas.
.FRIDAY...East winds 15 to 20 knots along the coast to east
20 to 25 knots in the Gulf Stream. Seas 6 to 8 feet with
occasional seas to 10 feet along the coast and 7 to 9 feet with
occasional to 11 feet in the Gulf Stream. Intracoastal waters
rough in exposed areas. A slight chance of showers.

$$

AMZ651-671-221730-
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-
321 AM EST Mon Jan 22 2018

.TODAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Period
4 seconds. Intracoastal waters a moderate chop.
.TONIGHT...East southeast winds 10 to 15 knots. Seas 2 to
3 feet. Period 4 seconds. Intracoastal waters a moderate chop.
.TUESDAY...South southeast winds 5 to 10 knots along the coast
to southeast 10 to 15 knots in the Gulf Stream. Seas around
2 feet. Period 4 seconds. Intracoastal waters a moderate chop. A
slight chance of showers in the morning...then a chance of
showers and a slight chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...East southeast winds 5 knots becoming north
northeast after midnight. Seas less than 2 feet. Period
4 seconds. Intracoastal waters a light chop. A chance of showers
through the night. A slight chance of thunderstorms after
midnight.
.WEDNESDAY...North northeast winds 10 to 15 knots. Seas around
2 feet along the coast and 2 to 4 feet with occasional to 5 feet
in the Gulf Stream. Intracoastal waters a light chop. A slight
chance of thunderstorms in the morning. A chance of showers
.
.WEDNESDAY NIGHT AND THURSDAY...Northeast winds 15 to 20 knots
with gusts to around 30 knots. Seas 2 to 4 feet with occasional
seas to 6 feet along the coast and 4 to 6 feet with occasional
to 9 feet in the Gulf Stream. Intracoastal waters choppy in
exposed areas. A slight chance of showers.
.THURSDAY NIGHT...Winds east northeast winds 20 to 25 knots.
Along the coast, seas 4 to 6 feet with occasional seas to 8 feet
building to 6 to 8 feet with occasional seas to 10 feet after
midnight. In the Gulf Stream, seas 7 to 9 feet with occasional
seas to 11 feet. Intracoastal waters rough in exposed areas.
.FRIDAY...East winds 20 to 25 knots along the coast to east
northeast around 25 knots in the Gulf Stream. Seas 7 to 9 feet
with occasional seas to 11 feet. Intracoastal waters rough in
exposed areas. A slight chance of showers.

$$

AMZ630-221730-
Biscayne Bay-
321 AM EST Mon Jan 22 2018

.TODAY...East winds around 10 knots. Bay waters a light chop.
.TONIGHT...East southeast winds 10 to 15 knots. Bay waters a
moderate chop.
.TUESDAY...Southeast winds 5 to 10 knots. Bay waters a light chop.
A chance of showers. A slight chance of
thunderstorms in the afternoon.
.TUESDAY NIGHT...East southeast winds 5 knots becoming north
after midnight. Bay waters a light chop. A chance of showers.
.WEDNESDAY...North northeast winds 10 to 15 knots. Bay waters a
moderate chop. A chance of showers.
.WEDNESDAY NIGHT...North northeast winds 15 to 20 knots. Bay
waters choppy. A slight chance of showers.
.THURSDAY...Northeast winds 15 to 20 knots. Bay waters choppy.
.THURSDAY NIGHT...East northeast winds 15 to 25 knots. Bay
waters rough.
.FRIDAY...East winds 15 to 25 knots. Bay waters rough. A slight
chance of showers.

$$

GMZ656-657-221730-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
321 AM EST Mon Jan 22 2018

.TODAY...Southeast winds 5 to 10 knots. Seas less than 2 feet.
Period 2 seconds. Bay and inland waters a light chop.
.TONIGHT...Southeast winds 5 to 10 knots. Seas less than 2 feet.
Period 3 seconds. Bay and inland waters a light chop. A slight
chance of showers in the evening...then a chance of showers
after midnight.
.TUESDAY...Southeast winds around 5 knots becoming south
southwest 5 knots in the afternoon. Seas less than 2 feet.
Period 2 seconds. Bay and inland waters smooth. A chance of
showers. A slight chance of thunderstorms in the
afternoon.
.TUESDAY NIGHT...Winds north winds 5 to 10 knots. Seas around
2 feet. Period 2 seconds becoming 1 second after midnight. Bay
and inland waters a light chop. A slight chance of showers.
.WEDNESDAY...North northeast winds 5 to 10 knots nearshore and
north 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 in the morning...then a chance of
showers in the afternoon.
.WEDNESDAY NIGHT...Nearshore, north northeast winds 10 to
15 knots. Offshore, north northeast winds 10 to 15 knots
becoming northeast around 20 knots in the morning. Seas 2 to
3 feet. Bay and inland waters a moderate chop. A slight chance
of showers.
.THURSDAY THROUGH FRIDAY...East winds 10 to 15 knots nearshore
and east 15 to 20 knots offshore. Seas around 2 feet nearshore
and 2 to 4 feet with occasional to 5 feet offshore. Bay and
inland waters a moderate chop.

$$

GMZ676-221730-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
321 AM EST Mon Jan 22 2018

.TODAY...East southeast winds 5 to 10 knots. Seas around 2 feet.
Period 3 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet.
Period 3 seconds. A slight chance of showers in the evening...
then a chance of showers after midnight.
.TUESDAY...South southeast winds 5 to 10 knots becoming south
southwest in the afternoon. Seas less than 2 feet. Period
3 seconds. A chance of showers.
.TUESDAY NIGHT...North winds 10 to 15 knots. Seas less than
2 feet building to 2 to 3 feet after midnight. Period 3 seconds.
.WEDNESDAY...North winds 10 to 15 knots. Seas 2 to 4 feet with
occasional seas to 5 feet. A slight chance of showers in the
afternoon.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to
5 feet with occasional seas to 6 feet.
.THURSDAY THROUGH FRIDAY...East winds 15 to 20 knots. Seas 3 to
5 feet with occasional seas to 6 feet.

$$

AMZ610-221730-
Lake Okeechobee-
321 AM EST Mon Jan 22 2018

.TODAY...East southeast winds 5 to 10 knots. Lake waters a light
chop.
.TONIGHT...Southeast winds 5 to 10 knots. Lake waters a light
chop. A slight chance of showers in the evening...then a chance
of showers after midnight.
.TUESDAY...South winds 5 to 10 knots becoming southwest in the
afternoon. Lake waters a light chop. A chance of showers through
the day. A slight chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...West northwest winds around 5 knots becoming
north after midnight. Lake waters a light chop. A chance of
showers.
.WEDNESDAY...North northeast winds 5 to 10 knots. Lake waters
light chop. A slight chance of showers.
.WEDNESDAY NIGHT...North northeast winds 10 to 15 knots. Lake
waters a moderate chop.
.THURSDAY THROUGH FRIDAY...East winds 10 to 15 knots. Lake
waters a moderate chop.

$$


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