Coastal Waters Forecast
Issued by NWS Key West, FL

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FZUS52 KKEY 032032
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
432 PM EDT Mon Oct 3 2022

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.

GMZ005-040245-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
432 PM EDT Mon Oct 3 2022

.SYNOPSIS...Gentle to occasionally moderate northwest to north
breezes will prevail this evening and overnight, then winds will
slowly veer to the northeast on Tuesday as high pressure builds
over the Florida peninsula. Late this week a cold front moving
into South Florida will cause breezes to clock to the northeast
and become moderate to fresh.

The Approximate Shoreward Edge of the Gulf Stream as of October
1...

54 NM South of Dry Tortugas Light...on Loggerhead Key.
31 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
35 NM South of Sand Key Light...off Key West.
26 NM South of Looe Key...off Big Pine Key.
15 NM South of Sombrero Key Light...off Marathon.
 5 NM Southeast of Alligator Reef Light...off Islamorada.
 5 NM Southeast of Molasses Reef Light...off Key Largo.

Gulf Stream Information Courtesy of the Naval Oceanographic
Office.

$$

GMZ031-040245-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
432 PM EDT Mon Oct 3 2022

.TONIGHT...Northwest to north winds near 10 knots, becoming north
to northeast. Bay waters a light chop. Isolated showers.
.TUESDAY...Northeast to north winds near 10 knots, decreasing to 5
to 10 knots in the afternoon. Bay waters a light chop, becoming
smooth to a light chop. Isolated showers.
.TUESDAY NIGHT...North to northeast winds increasing to near 10
knots. Bay waters becoming a light chop. Isolated showers.
.WEDNESDAY...North to northeast winds 10 to 15 knots. Bay waters
a light to moderate chop. Isolated showers.
.WEDNESDAY NIGHT...Northeast winds near 15 knots. Bay waters a
moderate chop. Isolated showers and thunderstorms.
.THURSDAY...Northeast to east winds near 15 knots. Bay waters a
moderate chop. Isolated showers and thunderstorms.
.THURSDAY NIGHT...Northeast to east winds near 15 knots. Bay
waters a moderate chop. Isolated showers.
.FRIDAY AND FRIDAY NIGHT...Northeast to east winds 15 to 20
knots. Bay waters choppy. Isolated showers.
.SATURDAY AND SATURDAY NIGHT...Northeast winds 15 to 20 knots.
Bay waters choppy. Scattered showers and isolated thunderstorms.

$$

GMZ032-035-040245-
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-
432 PM EDT Mon Oct 3 2022

.TONIGHT...Northwest to north winds near 10 knots, becoming north
to northeast. Seas 1 to 2 feet. Nearshore waters a light chop.
Isolated showers.
.TUESDAY...North to northeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. Isolated showers.
.TUESDAY NIGHT...North to northeast winds 10 to 15 knots. Seas 1
to 2 feet. Nearshore waters a light to moderate chop. Isolated
showers.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Isolated showers.
.WEDNESDAY NIGHT...Northeast winds near 15 knots. Seas 1 to 2
feet. Nearshore waters a moderate chop. Isolated showers and
thunderstorms.
.THURSDAY...Northeast to east winds near 15 knots. Seas 1 to
3 feet. Nearshore waters a moderate chop. Isolated showers and
thunderstorms.
.THURSDAY NIGHT...Northeast to east winds near 15 knots. Seas
1 to 3 feet. Nearshore waters a moderate chop. Isolated showers.
.FRIDAY AND FRIDAY NIGHT...Northeast to east winds 15 to 20
knots. Seas 1 to 3 feet, except 3 to 4 feet west of the Marquesas
Keys. Nearshore waters choppy. Isolated showers.
.SATURDAY AND SATURDAY NIGHT...Northeast winds 15 to 20 knots.
Seas 1 to 3 feet, except 3 to 4 feet west of the Marquesas Keys.
Nearshore waters choppy. Scattered showers and isolated
thunderstorms.

$$

GMZ042>044-040245-
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-
432 PM EDT Mon Oct 3 2022

.TONIGHT...Northwest to north winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. Isolated showers.
.TUESDAY AND TUESDAY NIGHT...North to northeast winds near 10
knots. Seas 1 to 2 feet. Nearshore waters a light chop. Isolated
showers.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Isolated showers.
.WEDNESDAY NIGHT...Northeast winds near 15 knots. Seas 1 to 3
feet. Nearshore waters a moderate chop. Isolated showers and
thunderstorms.
.THURSDAY...Northeast to east winds near 15 knots. Seas 2 to
3 feet. Nearshore waters a moderate chop. Isolated showers and
thunderstorms.
.THURSDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas 2
to 3 feet, except 3 to 4 feet west of Cosgrove Shoal Light.
Nearshore waters choppy. Isolated showers.
.FRIDAY AND FRIDAY NIGHT...Northeast to east winds 15 to 20
knots. Seas 2 to 4 feet. Nearshore waters choppy. Isolated
showers.
.SATURDAY AND SATURDAY NIGHT...Northeast winds 15 to 20 knots.
Seas 3 to 4 feet. Nearshore waters choppy. Scattered showers and
isolated thunderstorms.

$$

GMZ052>055-072>075-040245-
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-
432 PM EDT Mon Oct 3 2022

.TONIGHT...Northwest to north winds near 10 knots. Seas 1 to 2
feet. Isolated showers.
.TUESDAY...Northwest to north winds near 10 knots, becoming north
to northeast. Seas 1 to 3 feet. Isolated showers.
.TUESDAY NIGHT...North to northeast winds near 10 knots. Seas 1
to 3 feet. Isolated showers.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet.
Isolated showers.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to
4 feet. Isolated showers and thunderstorms.
.THURSDAY...Northeast winds increasing to near 15 knots. Seas
building to 3 to 4 feet. Isolated showers and thunderstorms.
.THURSDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas
3 to 5 feet. Isolated showers.
.FRIDAY AND FRIDAY NIGHT...Northeast to east winds 15 to 20
knots. Seas 4 to 6 feet. Isolated showers.
.SATURDAY AND SATURDAY NIGHT...Northeast winds 15 to 20 knots.
Seas 4 to 6 feet. Scattered showers and isolated thunderstorms.

$$

GMZ033-034-040245-
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-
432 PM EDT Mon Oct 3 2022

.TONIGHT...Northwest to north winds near 10 knots, becoming north
to northeast and increasing to 10 to 15 knots. Seas around 2
feet. Isolated showers.
.TUESDAY...North to northeast winds 10 to 15 knots, decreasing to
near 10 knots in the afternoon. Seas around 2 feet. Isolated
showers.
.TUESDAY NIGHT...North to northeast winds 10 to 15 knots. Seas
around 2 feet. Isolated showers.
.WEDNESDAY...Northeast winds 10 to 15 knots, decreasing to near 10
knots in the afternoon. Seas 2 to 3 feet. Isolated showers.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2
feet. Isolated showers and thunderstorms.
.THURSDAY...Northeast winds near 15 knots. Seas 2 to 3 feet.
Isolated showers and thunderstorms.
.THURSDAY NIGHT...Northeast to east winds near 15 knots. Seas
2 to 3 feet. Isolated showers.
.FRIDAY AND FRIDAY NIGHT...Northeast to east winds 15 to 20
knots. Seas 2 to 4 feet. Isolated showers.
.SATURDAY AND SATURDAY NIGHT...Northeast winds 15 to 20 knots.
Seas 3 to 4 feet. Scattered showers and isolated thunderstorms.

$$


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