Coastal Waters Forecast
Issued by NWS Miami, FL

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FZUS52 KMFL 210750
CWFMFL

Coastal Waters Forecast for South Florida
National Weather Service Miami FL
350 AM EDT Mon Aug 21 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-GMZ606-211630-
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 AM EDT Mon Aug 21 2017

.SYNOPSIS...Fresh east-southeast winds will continue through this
morning as a tropical wave departs the area. More moderate winds are
expected through the day, before picking up from the east-northeast
late this evening into Tuesday morning as another tropical wave
approaches. Winds and seas gradually diminish starting Tuesday,
becoming more southerly late in the week.

Generally dry conditions are expected today, with showers and
storms increasing tonight from east to west with another tropical
wave. Coverage is expected to remain high through the remainder
of the week as we remain in an unsettled pattern.

.GULF STREAM HAZARDS...East-southeast winds 15 to 20 knots through
mid morning, subsiding through the day. Winds increase to 15 to 20
knots from the east-northeast late tonight.

The approximate location of the west wall of the Gulf Stream as of
Aug 19, 2017 at 1200 UTC...

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

This data courtesy of the Naval Oceanographic Office.

$$

AMZ650-670-211630-
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 AM EDT Mon Aug 21 2017

...Small Craft Exercise Caution...

.TODAY...East northeast 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.
.TONIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Period 5 seconds. Intracoastal waters
choppy in exposed areas. A chance of showers and a slight chance
of thunderstorms.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Period 4 seconds. Intracoastal waters a moderate chop. Showers
likely and a chance of thunderstorms.
.TUESDAY NIGHT...South southeast winds 5 to 10 knots along the
coast to south southeast 10 to 15 knots in the Gulf Stream. Seas
around 2 feet. Period 4 seconds. Intracoastal waters a light chop.
A chance of thunderstorms in the evening. A chance of showers
through the night. A slight chance of thunderstorms after
midnight.
.WEDNESDAY THROUGH THURSDAY...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 and
thunderstorms likely.
.THURSDAY NIGHT...South southwest winds 10 to 15 knots. Seas
around 2 feet. Intracoastal waters a light chop. Showers and
thunderstorms likely.
.FRIDAY...Southwest 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. Showers and
thunderstorms likely.

$$

AMZ651-671-211630-
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 AM EDT Mon Aug 21 2017

.TODAY...East winds around 15 knots. Seas 2 to 4 feet with
occasional seas to 5 feet. Period 4 seconds. Intracoastal waters
a moderate chop. A slight chance of showers and thunderstorms in
the afternoon.
.TONIGHT...Northeast winds 10 to 15 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
a moderate chop. A chance of showers and a slight chance of
thunderstorms.
.TUESDAY...South southeast winds 5 to 10 knots. Seas 2 to
3 feet. Period 5 seconds. Intracoastal waters a light chop.
Showers likely and a chance of thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. Period 3 seconds. Intracoastal waters a light chop. A
chance of thunderstorms in the evening. A chance of showers
through the night. A slight chance of thunderstorms after
midnight.
.WEDNESDAY...South southeast winds around 10 knots. Seas around
2 feet. Intracoastal waters a light chop. Showers and
thunderstorms likely.
.WEDNESDAY NIGHT...South southeast winds 10 to 15 knots. Seas
2 to 3 feet. Intracoastal waters a light chop. Showers and
thunderstorms likely.
.THURSDAY AND THURSDAY NIGHT...South southwest winds 10 to
15 knots. Seas 2 to 3 feet. Intracoastal waters a light chop.
Showers and thunderstorms likely.
.FRIDAY...Southwest winds 10 to 15 knots. Seas around 2 feet.
Intracoastal waters a light chop. Showers and thunderstorms
likely.

$$

AMZ630-211630-
Biscayne Bay-
350 AM EDT Mon Aug 21 2017

.TODAY...East winds 10 to 15 knots. Bay waters a moderate chop.
A slight chance of showers and thunderstorms in the afternoon.
.TONIGHT...East northeast winds 10 to 15 knots becoming north
northeast around 5 knots after midnight. Bay waters a moderate
chop. A chance of showers and a slight chance of thunderstorms.
.TUESDAY...West winds around 5 knots becoming south southeast in
the afternoon. Bay waters a light chop. A chance of showers in the
morning. A chance of thunderstorms. Showers
likely in the afternoon.
.TUESDAY NIGHT...South southeast winds 5 to 10 knots. Bay waters
light chop. A chance of thunderstorms in the evening. A chance
of showers through the night. A slight chance of thunderstorms
after midnight.
.WEDNESDAY AND WEDNESDAY NIGHT...South southeast winds 5 to
10 knots. Bay waters a light chop. Showers and thunderstorms
likely.
.THURSDAY THROUGH FRIDAY...Southwest winds 5 to 10 knots. Bay
waters a light chop. Showers and thunderstorms likely.

$$

GMZ656-657-211630-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
350 AM EDT Mon Aug 21 2017

.TODAY...East winds 10 to 15 knots. Seas less than 2 feet
nearshore and 2 to 3 feet offshore. Period 3 seconds. Bay and
inland waters a light chop.
.TONIGHT...East northeast winds 10 to 15 knots. Seas around
2 feet. Period 3 seconds. Bay and inland waters a light chop.
.TUESDAY...North winds 5 to 10 knots becoming west southwest in
the afternoon. Seas less than 2 feet. Period 2 seconds. Bay and
inland waters a light chop. A slight chance of showers and
thunderstorms in the morning...then showers likely and a chance
of thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas less than
2 feet. Period 2 seconds. Bay and inland waters a light chop. A
chance of thunderstorms in the evening. A chance of showers
through the night. A slight chance of thunderstorms after
midnight.
.WEDNESDAY AND WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas
less than 2 feet. Bay and inland waters a light chop. Showers and
thunderstorms likely.
.THURSDAY...South southwest winds 5 to 10 knots. Seas less than
2 feet. Bay and inland waters a light chop. Showers and
thunderstorms likely.
.THURSDAY NIGHT...Southwest winds around 5 knots nearshore and
southwest 5 to 10 knots offshore. Seas less than 2 feet. Bay and
inland waters a light chop. A chance of showers and thunderstorms.
.FRIDAY...Southwest winds 5 to 10 knots. Seas less than 2 feet.
Bay and inland waters a light chop. Showers and thunderstorms
likely.

$$

GMZ676-211630-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
350 AM EDT Mon Aug 21 2017

.TODAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Period
4 seconds. A slight chance of showers and thunderstorms in the
morning.
.TONIGHT...East northeast winds 10 to 15 knots. Seas around
2 feet. Period 4 seconds. A slight chance of showers after
midnight.
.TUESDAY...East northeast winds 5 to 10 knots becoming north
northwest in the afternoon. Seas around 2 feet. Period
3 seconds. A slight chance of showers and thunderstorms in the
morning...then a chance of showers and thunderstorms in the
afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots becoming south
southeast after midnight. Seas less than 2 feet. Period
3 seconds. A chance of thunderstorms in the evening. A chance of
showers through the night. A slight chance of thunderstorms
after midnight.
.WEDNESDAY...South winds around 5 knots. Seas less than 2 feet.
A chance of showers and thunderstorms in the morning...then
showers and thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas less than
2 feet. Showers and thunderstorms likely.
.THURSDAY...Southwest winds 5 to 10 knots. Seas less than
2 feet. Showers and thunderstorms likely.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas less than
2 feet. A chance of showers and thunderstorms.
.FRIDAY...Southwest winds 5 to 10 knots. Seas less than 2 feet.
Showers and thunderstorms likely.

$$

AMZ610-211630-
Lake Okeechobee-
350 AM EDT Mon Aug 21 2017

.TODAY...East winds 10 to 15 knots. Lake waters a moderate chop.
.TONIGHT...Northeast winds 10 to 15 knots. Lake waters a
moderate chop. A slight chance of showers in the evening...then
a chance of showers and a slight chance of thunderstorms after
midnight.
.TUESDAY...Northeast winds 5 to 10 knots becoming east in the
afternoon. Lake waters a light chop. Showers likely and a chance
of thunderstorms.
.TUESDAY NIGHT...South southeast winds 10 to 15 knots. Lake
waters a moderate chop. A chance of thunderstorms in the
evening. A chance of showers through the night. A slight chance
of thunderstorms after midnight.
.WEDNESDAY...South southeast winds 5 to 10 knots. Lake waters
light chop. Showers and thunderstorms likely.
.WEDNESDAY NIGHT...South southeast winds around 5 knots. Lake
waters smooth. A chance of showers and thunderstorms.
.THURSDAY...South winds 5 to 10 knots. Lake waters a light chop.
Showers and thunderstorms likely.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters
light chop. A chance of showers and thunderstorms.
.FRIDAY...Southwest winds 5 to 10 knots. Lake waters a light chop.
Showers and thunderstorms likely.

$$



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