Coastal Waters Forecast
Issued by NWS

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FZUS52 KKEY 172117
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
417 PM EST Sun Nov 17 2019

Florida Bay...Hawk Channel and Straits of Florida from Ocean Reef to
south of Dry Tortugas...and the extreme southeastern Gulf of
Mexico...including The Florida Keys National Marine Sanctuary

Seas are given as significant wave height...which is the average
height of the highest 1/3 of the waves. Individual waves may be
more than twice the significant wave height.

GMZ005-180330-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
417 PM EST Sun Nov 17 2019

.SYNOPSIS...A strong low pressure center southeast of the North
Carolina coast this afternoon will exit northeastward and away
from the Keys waters tonight, leaving behind broad and weak high
pressure centered over the western Gulf on Monday. The western
Gulf high will strengthen and move to the northern Gulf Coast on
Tuesday, across the Southeast U.S. on Wednesday, and emerge into
the western Atlantic on Thursday. The high will stretch out into
an east-west ridge axis over North Florida on Friday.

The Approximate Shoreward Edge of the Gulf Stream as of
November 16...

56 NM South of Dry Tortugas Light...on Loggerhead Key.
38 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
33 NM South of Sand Key Light...off Key West.
25 NM South of Looe Key...off Big Pine Key.
15 NM South of Sombrero Key Light...off Marathon.
 Less than 1 NM Southeast of Alligator Reef Light...off Islamorada.
 1 NM Southeast of Molasses Reef Light...off Key Largo.
 1 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic
Office.

$$

GMZ031-180330-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
417 PM EST Sun Nov 17 2019

.TONIGHT...Northwest to north winds 10 to 15 knots, becoming north
and decreasing to near 10 knots late. Bay waters a light to
moderate chop, becoming a light chop.
.MONDAY...West to northwest winds near 10 knots. Bay waters
a light chop.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Bay waters smooth
to a light chop. Isolated showers.
.TUESDAY...Northwest winds near 5 knots, increasing to near 10
knots. Bay waters smooth, becoming a light chop. Isolated
showers.
.TUESDAY NIGHT...North winds 10 to 15 knots. Bay waters a light
to moderate chop.
.WEDNESDAY...Northeast winds 10 to 15 knots. Bay waters a light
to moderate chop.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters a
light to moderate chop.
.THURSDAY AND THURSDAY NIGHT...Northeast to east winds 10 to 15
knots. Bay waters a light to moderate chop.
.FRIDAY...East winds 10 to 15 knots. Bay waters a light to
moderate chop.
.FRIDAY NIGHT...Northeast to east winds 5 to 10 knots. Bay waters
smooth to a light chop. Isolated showers.

$$

GMZ032-035-180330-
Bayside and Gulf side from Craig Key to west end of Seven Mile
Bridge-
Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon
Shoal out to 5 Fathoms-
417 PM EST Sun Nov 17 2019

...SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL WINDS DECREASE...

.TONIGHT...North winds 15 to 20 knots, decreasing to 10 to 15
knots during the evening. Seas 2 to 4 feet, subsiding to 1 to 3
feet. Nearshore waters choppy, becoming a light to moderate chop.
Isolated sprinkles or light showers.
.MONDAY...North winds 5 to 10 knots, becoming northwest in the
afternoon. Seas 1 to 2 feet. Nearshore waters smooth to a light
chop. Isolated showers.
.MONDAY NIGHT...West to northwest winds 5 to 10 knots. Seas 1 to
2 feet. Nearshore waters smooth to a light chop. Isolated
showers.
.TUESDAY...Northwest winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Isolated showers.
.TUESDAY NIGHT...North to northeast winds 10 to 15 knots,
increasing to near 15 knots. Seas 1 to 3 feet. Nearshore waters a
light to moderate chop, becoming a moderate chop.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Nearshore waters a light to moderate chop.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to
3 feet. Nearshore waters a light to moderate chop.
.THURSDAY...Northeast to east winds 10 to 15 knots. Seas 1 to
3 feet. Nearshore waters a light to moderate chop.
.THURSDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas
1 to 2 feet. Nearshore waters a light to moderate chop.
.FRIDAY...East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore
waters a light to moderate chop. Isolated showers.
.FRIDAY NIGHT...Northeast to east winds near 10 knots. Seas
1 foot or less. Nearshore waters a light chop. Isolated showers.

$$

GMZ042-180330-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
417 PM EST Sun Nov 17 2019

.TONIGHT...Northwest to north winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop.
.MONDAY...West to northwest winds 5 to 10 knots. Seas 1 to
2 feet. Nearshore waters smooth to a light chop.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop.
.TUESDAY...West to northwest winds 5 to 10 knots. Seas around
1 foot. Nearshore waters smooth to a light chop. Isolated
showers.
.TUESDAY NIGHT...North winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop.
.WEDNESDAY NIGHT...Northeast winds near 15 knots. Seas 1 to
3 feet. Nearshore waters a moderate chop.
.THURSDAY...Northeast to east winds near 15 knots. Seas 2 to
3 feet. Nearshore waters a moderate chop.
.THURSDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas
2 to 3 feet. Nearshore waters a light to moderate chop.
.FRIDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Nearshore
waters a light to moderate chop.
.FRIDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Isolated showers.

$$

GMZ043-044-180330-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
417 PM EST Sun Nov 17 2019

...SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL WINDS DECREASE...

.TONIGHT...North winds 15 to 20 knots, decreasing to 10 to 15
knots during the evening. Seas 2 to 4 feet. Nearshore waters
choppy, becoming a light to moderate chop. Isolated sprinkles or
light showers.
.MONDAY...Northwest winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop. Isolated showers.
.MONDAY NIGHT...West to northwest winds 5 to 10 knots. Seas 1 to
2 feet. Nearshore waters smooth to a light chop. Isolated
showers.
.TUESDAY...Northwest winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Isolated showers.
.TUESDAY NIGHT...North to northeast winds 10 to 15 knots. Seas
1 to 3 feet. Nearshore waters a light to moderate chop.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Nearshore waters a light to moderate chop.
.WEDNESDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas
1 to 3 feet. Nearshore waters choppy.
.THURSDAY...Northeast to east winds near 15 knots. Seas 2 to 3
feet. Nearshore waters a moderate chop.
.THURSDAY NIGHT...Northeast to east winds near 15 knots. Seas
2 to 3 feet. Nearshore waters a moderate chop. Isolated showers.
.FRIDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Nearshore
waters a light to moderate chop. Isolated showers.
.FRIDAY NIGHT...Northeast to east winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. Isolated showers.

$$

GMZ052-072-073-180330-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge 20 to 60 NM out-
417 PM EST Sun Nov 17 2019

...SMALL CRAFT ADVISORY IN EFFECT...

.TONIGHT...Northwest to north winds near 15 knots, decreasing to
near 10 knots after midnight. Seas building to 5 to 8 feet due to
northerly swell.
.MONDAY...Northwest winds near 10 knots, decreasing to 5 to 10
knots. Seas 4 to 7 feet due to northerly swell.
.MONDAY NIGHT...West to northwest winds 5 to 10 knots. Seas 3 to
6 feet due to northerly swell. Isolated showers.
.TUESDAY...Northwest winds 5 to 10 knots. Seas 2 to 5 feet due to
northerly swell. Isolated showers.
.TUESDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 4 feet.
Isolated showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas
3 to 5 feet.
.THURSDAY...Northeast to east winds 15 to 20 knots. Seas 3 to
5 feet.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet.
Isolated showers.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Isolated
showers.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Isolated showers.

$$

GMZ053>055-074-075-180330-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge out 20 NM-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal out 20 NM-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas out 20 NM-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal 20 to 60 NM out-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas 20 to 60 NM out-
417 PM EST Sun Nov 17 2019

...SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL WINDS DECREASE...

.TONIGHT...Northwest to north winds 15 to 20 knots, decreasing to
10 to 15 knots during the evening. Seas 3 to 5 feet, subsiding to
2 to 4 feet. Isolated sprinkles or light showers.
.MONDAY...Northwest winds near 10 knots. Seas 1 to 3 feet.
Isolated showers.
.MONDAY NIGHT...West to northwest winds near 10 knots. Seas 2 to
3 feet. Isolated showers.
.TUESDAY...Northwest winds 10 to 15 knots. Seas around 2 feet.
Isolated showers.
.TUESDAY NIGHT...North to northeast winds 10 to 15 knots. Seas
2 to 3 feet. Isolated showers.
.WEDNESDAY...Northeast winds near 15 knots. Seas 2 to 4 feet.
.WEDNESDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas
3 to 5 feet.
.THURSDAY AND THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3
to 5 feet. Isolated showers.
.FRIDAY AND FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4
feet, subsiding to 2 to 3 feet. Isolated showers.


$$

GMZ033-034-180330-
Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out
and beyond 5 fathoms-
Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel-
417 PM EST Sun Nov 17 2019

...SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL WINDS DECREASE...

.TONIGHT...Northwest to north winds 15 to 20 knots, decreasing to
10 to 15 knots during the evening. Seas 3 to 6 feet, subsiding to
2 to 3 feet. Isolated sprinkles or light showers.
.MONDAY...Northwest winds near 10 knots. Seas 1 to 3 feet.
Isolated showers.
.MONDAY NIGHT...West to northwest winds 5 to 10 knots. Seas 1 to
2 feet. Isolated showers.
.TUESDAY...Northwest winds 10 to 15 knots. Seas 2 to 3 feet.
Isolated showers.
.TUESDAY NIGHT...North to northeast winds 10 to 15 knots. Seas
2 to 4 feet.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas
2 to 4 feet.
.THURSDAY...Northeast to east winds 10 to 15 knots. Seas 2 to
4 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Isolated
showers.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet.
Isolated showers.

$$


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