663
FZUS52 KKEY 130328
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1028 PM EST Sun Jan 12 2025

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.

Wave Detail will include details about the period and direction
of origin for the highest energy waves. Long-period swells coming
from a different direction than the wind would be included in the
Wave Detail.

GMZ005-130930-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1028 PM EST Sun Jan 12 2025

.SYNOPSIS...Light to gentle northeasterly breezes will continue
through Monday, gradually veering to the east to southeast by
Tuesday. Another cold front is progged to push through the Keys
marine zones Tuesday afternoon and evening, with a northerly wind
surge expected in its wake. Small Craft Advisory conditions will
be possible for portions of the Florida Keys coastal waters as
early as Tuesday night, possibly continuing through at least
Wednesday night.

The Approximate Shoreward Edge of the Gulf Stream as of January 12...

35 NM South of Dry Tortugas Light...on Loggerhead Key.
32 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
28 NM South of Sand Key Light...off Key West.
23 NM South of Looe Key...off Big Pine Key
22 NM South of Sombrero Key Light...off Marathon.
18 NM Southeast of Alligator Reef Light...off Islamorada.
10 NM Southeast of Molasses Reef Light...off Key Largo.
6 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the National Weather Service in
Key West based on products from the Real Time Ocean Forecast System.

$$

GMZ031-130930-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1028 PM EST Sun Jan 12 2025

.OVERNIGHT...Northeast winds near 10 knots. Bay waters a light
chop.
.MONDAY...Northeast to east winds 5 to 10 knots, becoming east.
Bay waters smooth to a light chop.
.MONDAY NIGHT...East winds near 5 knots, becoming east to
southeast. Bay waters smooth.
.TUESDAY...Southeast to south winds near 5 knots, becoming
northwest and increasing to 5 to 10 knots. Bay waters smooth,
becoming smooth to a light chop. Isolated showers.
.TUESDAY NIGHT...Northwest to north winds 5 to 10 knots,
becoming north to northeast and increasing to near 15 knots. Bay
waters smooth to a light chop, becoming a moderate chop. Isolated
showers.
.WEDNESDAY...North to northeast winds near 15 knots. Bay waters a
moderate chop. Isolated showers.
.WEDNESDAY NIGHT...North to northeast winds near 15 knots. Bay
waters a moderate chop. Isolated showers.
.THURSDAY...North to northeast winds near 15 knots, decreasing to
10 to 15 knots. Bay waters a moderate chop, becoming a light to
moderate chop. Isolated showers.
.THURSDAY NIGHT...North to northeast winds 10 to 15 knots,
decreasing to near 10 knots. Bay waters a light to moderate chop,
becoming a light chop. Isolated showers.
.FRIDAY...North to northeast winds near 10 knots. Bay waters
a light chop.
.FRIDAY NIGHT...Northeast to east winds 5 to 10 knots. Bay waters
smooth to a light chop.

$$

GMZ032-035-130930-
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-
1028 PM EST Sun Jan 12 2025

.OVERNIGHT...Northeast winds near 10 knots, increasing to 10 to
15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the
Marquesas Keys. Nearshore waters a light chop, becoming a light
to moderate chop.
.MONDAY...Northeast to east winds near 10 knots, becoming east and
decreasing to 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters a
light chop, becoming smooth to a light chop.
.MONDAY NIGHT...East winds near 5 knots, becoming east to
southeast. Seas around 1 foot. Nearshore waters smooth.
.TUESDAY...Southeast winds near 5 knots, becoming northwest and
increasing to 5 to 10 knots. Seas 1 foot or less, building to
around 1 foot. Nearshore waters smooth, becoming smooth to a
light chop. Isolated showers.
.TUESDAY NIGHT...Northwest to north winds near 10 knots, becoming
north to northeast and increasing to 15 to 20 knots. Seas
building to 2 to 3 feet, except building to 3 to 4 feet west of
the Marquesas Keys. Nearshore waters a light chop, becoming
choppy. Isolated showers.
.WEDNESDAY...North to northeast winds 15 to 20 knots. Seas 2 to 4
feet, occasionally to 5 feet, except 4 to 5 feet, occasionally to
6 feet west of the Marquesas Keys. Nearshore waters choppy.
Isolated showers.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots, decreasing to
10 to 15 knots. Seas subsiding to 2 to 3 feet, except subsiding to
3 to 4 feet, occasionally to 5 feet west of the Marquesas Keys.
Nearshore waters choppy, becoming a light to moderate chop.
Isolated showers.
.THURSDAY AND THURSDAY NIGHT...North to northeast winds 10 to 15
knots. Seas 2 to 3 feet. Nearshore waters a light to moderate
chop. Isolated showers.
.FRIDAY...North to northeast winds 10 to 15 knots, becoming
northeast and decreasing to near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop, becoming a light chop.
.FRIDAY NIGHT...Northeast to east winds 5 to 10 knots. Seas
around 1 foot. Nearshore waters smooth to a light chop.

$$

GMZ042>044-130930-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
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-
1028 PM EST Sun Jan 12 2025

.OVERNIGHT...Northeast winds near 10 knots, becoming northeast to
east 10 to 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of
Cosgrove Shoal Light. Nearshore waters a light chop, becoming a
light to moderate chop.
.MONDAY...Northeast to east winds 10 to 15 knots, becoming east
and decreasing to 5 to 10 knots. Seas 1 to 2 feet. Nearshore
waters a light to moderate chop, becoming smooth to a light chop.
.MONDAY NIGHT...East to southeast winds near 5 knots. Seas around
1 foot. Nearshore waters smooth.
.TUESDAY...Southeast winds near 5 knots, becoming northwest to
north and increasing to 5 to 10 knots. Seas around 1 foot,
building to 1 to 2 feet. Nearshore waters smooth, becoming smooth
to a light chop. Isolated showers.
.TUESDAY NIGHT...Northwest to north winds near 10 knots,
becoming north to northeast and increasing to 15 to 20 knots.
Seas building to 2 to 3 feet, occasionally to 4 feet, except
building to 3 to 4 feet, occasionally to 5 feet west of Cosgrove
Shoal Light. Nearshore waters a light chop, becoming choppy.
Isolated showers.
.WEDNESDAY...North to northeast winds 15 to 20 knots. Seas 2 to 3
feet, except 3 to 5 feet, occasionally to 6 feet west of Cosgrove
Shoal Light. Nearshore waters choppy. Isolated showers.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots, decreasing to
near 15 knots. Seas 2 to 3 feet, except 3 to 4 feet, occasionally
to 5 feet west of Cosgrove Shoal Light. Nearshore waters choppy,
becoming a moderate chop. Isolated showers.
.THURSDAY...North to northeast winds 10 to 15 knots. Seas 2 to
3 feet, except 3 to 4 feet, occasionally to 5 feet west of
Cosgrove Shoal Light. Nearshore waters a light to moderate chop.
Isolated showers.
.THURSDAY NIGHT...North to northeast winds 10 to 15 knots. Seas
subsiding to 1 to 2 feet, except subsiding to 2 to 3 feet,
occasionally to 4 feet west of Cosgrove Shoal Light. Nearshore
waters a light to moderate chop. Isolated showers.
.FRIDAY...North to northeast winds 10 to 15 knots, decreasing to
near 10 knots. Seas 1 to 2 feet. Nearshore waters a light to
moderate chop, becoming a light chop.
.FRIDAY NIGHT...Northeast to east winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop.

$$

GMZ052>055-072>075-130930-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
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 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-
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-
1028 PM EST Sun Jan 12 2025

.OVERNIGHT...Northeast winds 10 to 15 knots, becoming northeast
to east. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
Northeast 3 feet at 5 seconds and west 2 feet at 9 seconds.
.MONDAY...Northeast to east winds 10 to 15 knots, becoming east
and decreasing to 5 to 10 knots. Seas 2 to 4 feet, occasionally to
5 feet, subsiding to around 2 feet. Wave Detail: Northeast to
east 3 feet at 5 seconds and west 1 foot at 8 seconds.
.MONDAY NIGHT...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet. Wave Detail: East 2 feet at 5 seconds and west 1 foot at 7
seconds.
.TUESDAY...Southeast winds near 5 knots, becoming northwest to
north and increasing to near 10 knots. Seas 1 to 2 feet. Isolated
showers.
.TUESDAY NIGHT...North to northeast winds 10 to 15 knots,
increasing to 15 to 20 knots. Seas 1 to 2 feet, building to 2 to
4 feet, occasionally to 5 feet. Isolated showers.
.WEDNESDAY...Northeast winds near 20 knots. Seas building to 5 to
7 feet, occasionally to 9 feet. Isolated showers.
.WEDNESDAY NIGHT...Northeast winds near 20 knots, decreasing to 15
to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding
to 4 to 6 feet, occasionally to 8 feet. Isolated showers.
.THURSDAY...North to northeast winds 15 to 20 knots, decreasing to
near 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding
to 2 to 4 feet, occasionally to 5 feet. Isolated showers.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to
4 feet, occasionally to 5 feet. Isolated showers.
.FRIDAY...North to northeast winds 10 to 15 knots. Seas 2 to 3
feet. Isolated showers.
.FRIDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas 2 to
3 feet.

$$

GMZ033-034-130930-
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-
1028 PM EST Sun Jan 12 2025

.OVERNIGHT...Northeast winds 10 to 15 knots, becoming northeast
to east. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
West to northwest 3 feet at 8 seconds.
.MONDAY...East winds 10 to 15 knots, becoming east to southeast
and decreasing to 5 to 10 knots. Seas 2 to 3 feet, subsiding to 1
to 2 feet. Wave Detail: East 2 feet at 4 seconds and west to
northwest 1 foot at 7 seconds.
.MONDAY NIGHT...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet, subsiding to around 1 foot. Wave Detail: East 1 foot at 3
seconds and west 1 foot at 7 seconds.
.TUESDAY...Southeast to south winds near 5 knots, becoming
northwest to north and increasing to 10 to 15 knots. Seas around 1
foot, building to 1 to 2 feet. Isolated showers.
.TUESDAY NIGHT...Northwest to north winds 10 to 15 knots,
becoming north to northeast and increasing to near 20 knots. Seas
2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet.
Isolated showers.
.WEDNESDAY...North to northeast winds near 20 knots, decreasing to
15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Isolated
showers.
.WEDNESDAY NIGHT...North to northeast winds 15 to 20 knots. Seas
3 to 5 feet, occasionally to 6 feet. Isolated showers.
.THURSDAY...North to northeast winds 15 to 20 knots, decreasing to
near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Isolated
showers.
.THURSDAY NIGHT...Northeast winds near 15 knots. Seas subsiding to
2 to 3 feet. Isolated showers.
.FRIDAY...Northeast winds 10 to 15 knots, decreasing to near 10
knots. Seas subsiding to 1 to 2 feet.
.FRIDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet.

$$