Coastal Waters Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS52 KKEY 050232
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1032 PM EDT Thu Jun 4 2020

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.

GMZ005-050845-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1032 PM EDT Thu Jun 4 2020

.SYNOPSIS...An Atlantic ridge axis will extend westward across
Central Florida through Friday night. Tropical Depression
Cristobal, located inland over the southwest Yucatan Peninsula, is
expected to lift mainly northward on Friday. It will emerge over
the southern Gulf late Friday and then reach the central Gulf on
Saturday. As Cristobal moves north and re-strengthens on Saturday,
southeast breezes over the Keys waters will freshen. An Atlantic
ridge axis will build back across Florida starting Sunday night,
and winds will ease.

The Approximate Shoreward Edge of the Gulf Stream as of
June 4...

29 NM South of Dry Tortugas Light...on Loggerhead Key.
26 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
23 NM South of Sand Key Light...off Key West.
22 NM South of Looe Key...off Big Pine Key.
19 NM South of Sombrero Key Light...off Marathon.
 9 NM Southeast of Alligator Reef Light...off Islamorada.
 7 NM Southeast of Molasses Reef Light...off Key Largo.
 4 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

$$

GMZ031-050845-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1032 PM EDT Thu Jun 4 2020

.OVERNIGHT...East to southeast winds 10 to 15 knots. Bay waters a
light to moderate chop. Scattered showers and thunderstorms late.
.FRIDAY AND FRIDAY NIGHT...East to southeast winds 10 to 15
knots. Bay waters a light to moderate chop. Numerous showers and
thunderstorms.
.SATURDAY AND SATURDAY NIGHT...Southeast winds 15 to 20 knots.
Bay waters choppy. Scattered showers and thunderstorms.
.SUNDAY...Southeast to south winds decreasing to 10 to 15 knots.
Bay waters becoming a light to moderate chop. Scattered showers
and thunderstorms.
.SUNDAY NIGHT...Southeast to south winds 10 to 15 knots. Bay
waters a light to moderate chop. Scattered showers and
thunderstorms.
.MONDAY...Southeast to south winds near 10 knots. Bay waters a
light chop. Scattered showers and thunderstorms.
.MONDAY NIGHT...Southeast to south winds near 10 knots. Bay
waters a light chop. Scattered showers and thunderstorms.
.TUESDAY...Southeast to south winds 5 to 10 knots. Bay waters
smooth to a light chop. Scattered showers and thunderstorms.
.TUESDAY NIGHT...Northwest to north winds near 5 knots. Bay
waters smooth. Scattered showers and thunderstorms.

$$

GMZ032-050845-
Bayside and Gulf side from Craig Key to west end of Seven Mile
Bridge-
1032 PM EDT Thu Jun 4 2020

.OVERNIGHT...East to southeast winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.
.FRIDAY...East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore
waters a light to moderate chop. Numerous showers and
thunderstorms.
.FRIDAY NIGHT...East to southeast winds near 15 knots. Seas 1 to
2 feet. Nearshore waters a moderate chop. Numerous showers and
thunderstorms.
.SATURDAY AND SATURDAY NIGHT...Southeast winds 15 to 20 knots.
Seas 1 to 3 feet. Nearshore waters choppy. Scattered showers and
thunderstorms.
.SUNDAY...Southeast to south winds decreasing to 10 to 15 knots.
Seas 1 to 3 feet. Nearshore waters becoming a light to moderate
chop. Scattered showers and thunderstorms.
.SUNDAY NIGHT...Southeast to south winds 10 to 15 knots. Seas
1 to 2 feet. Nearshore waters a light to moderate chop. Scattered
showers and thunderstorms.
.MONDAY...Southeast to south winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop. Scattered
showers and thunderstorms.
.MONDAY NIGHT...Southeast to south winds near 10 knots. Seas
1 foot or less. Nearshore waters a light chop. Scattered showers
and thunderstorms.
.TUESDAY...Southeast to south winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop. Scattered showers
and thunderstorms.
.TUESDAY NIGHT...Variable winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. Scattered showers and
thunderstorms.

$$

GMZ035-050845-
Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon
Shoal out to 5 Fathoms-
1032 PM EDT Thu Jun 4 2020

.OVERNIGHT...East to southeast winds 10 to 15 knots. Seas 1 to
3 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.
.FRIDAY...East winds near 15 knots. Seas 1 to 3 feet. Nearshore
waters a moderate chop. Numerous showers and thunderstorms.
.FRIDAY NIGHT...East to southeast winds 15 to 20 knots. Seas 1 to
3 feet, except 3 to 4 feet west of the Marquesas Keys. Nearshore
waters choppy. Numerous showers and thunderstorms.
.SATURDAY...Southeast winds near 20 knots. Seas 1 to 3 feet,
except 3 to 5 feet west of the Marquesas Keys. Nearshore waters
rough. Scattered showers and thunderstorms.
.SATURDAY NIGHT...Southeast to south winds near 20 knots. Seas 1
to 3 feet, building to 2 to 4 feet. West of the Marquesas Keys,
seas 3 to 4 feet building to 4 to 6 feet after midnight.
Nearshore waters rough. Scattered showers and thunderstorms.
.SUNDAY...Southeast to south winds decreasing to 15 to 20 knots.
Seas 2 to 4 feet, subsiding to 1 to 3 feet. West of the Marquesas
Keys, seas 4 to 6 feet, subsiding to 3 to 5 feet. Nearshore
waters becoming choppy. Scattered showers and thunderstorms.
.SUNDAY NIGHT...Southeast to south winds near 15 knots. Seas 1 to
3 feet, except 3 to 5 feet west of the Marquesas Keys. Nearshore
waters a moderate chop. Scattered showers and thunderstorms.
.MONDAY...Southeast to south winds 10 to 15 knots. Seas 1 to
3 feet, except 3 to 4 feet west of the Marquesas Keys. Nearshore
waters a light to moderate chop. Scattered showers and
thunderstorms.
.MONDAY NIGHT...Southeast to south winds near 10 knots. Seas 1 to
3 feet. Nearshore waters a light chop. Scattered showers and
thunderstorms.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop. Scattered showers and
thunderstorms.
.TUESDAY NIGHT...Variable winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop. Scattered showers and
thunderstorms.

$$

GMZ042-043-050845-
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-
1032 PM EDT Thu Jun 4 2020

.OVERNIGHT...East to southeast winds near 15 knots. Seas 1 to 3
feet. Nearshore waters a moderate chop. Scattered showers and
thunderstorms, mainly late.
.FRIDAY...East to southeast winds near 15 knots. Seas 2 to 3
feet. Nearshore waters a moderate chop. Numerous showers and
thunderstorms.
.FRIDAY NIGHT...East to southeast winds increasing to 15 to 20
knots. Seas building to 2 to 4 feet. Nearshore waters becoming
choppy. Numerous showers and thunderstorms.
.SATURDAY AND SATURDAY NIGHT...Southeast to south winds 15 to 20
knots. Seas 2 to 4 feet. Nearshore waters choppy. Scattered
showers and thunderstorms.
.SUNDAY...Southeast to south winds decreasing to 10 to 15 knots.
Seas 2 to 4 feet. Nearshore waters choppy. Scattered showers and
thunderstorms.
.SUNDAY NIGHT...Southeast to south winds 10 to 15 knots. Seas
2 to 3 feet. Nearshore waters a light to moderate chop. Scattered
showers and thunderstorms.
.MONDAY...Southeast to south winds 10 to 15 knots. Seas 1 to 3
feet. Nearshore waters a light to moderate chop. Scattered showers
and thunderstorms.
.MONDAY NIGHT...Southeast winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop. Scattered showers and
thunderstorms.
.TUESDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore
waters smooth to a light chop. Scattered showers and
thunderstorms.
.TUESDAY NIGHT...Variable winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. Scattered showers and
thunderstorms.

$$

GMZ044-050845-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
1032 PM EDT Thu Jun 4 2020

.OVERNIGHT...East to southeast winds near 15 knots. Seas 1 to 3
feet. Nearshore waters a moderate chop. Scattered showers and
isolated thunderstorms.
.FRIDAY...East winds near 15 knots. Seas 2 to 3 feet. Nearshore
waters a moderate chop. Numerous showers and thunderstorms.
.FRIDAY NIGHT...East to southeast winds 15 to 20 knots. Seas 2 to
4 feet. Nearshore waters choppy. Numerous showers and
thunderstorms.
.SATURDAY...Southeast winds near 20 knots. Seas building to 3 to
6 feet. Nearshore waters rough. Scattered showers and
thunderstorms.
.SATURDAY NIGHT...Southeast to south winds near 20 knots. Seas 3
to 6 feet. Nearshore waters rough. Scattered showers and
thunderstorms.
.SUNDAY...Southeast to south winds decreasing to near 15 knots.
Seas 3 to 6 feet. Nearshore waters choppy. Scattered showers and
thunderstorms.
.SUNDAY NIGHT...Southeast to south winds near 15 knots. Seas 3 to
5 feet. Nearshore waters a moderate chop. Scattered showers and
thunderstorms.
.MONDAY...Southeast to south winds 10 to 15 knots. Seas 2 to
4 feet. Nearshore waters a light to moderate chop. Scattered
showers and thunderstorms.
.MONDAY NIGHT...Southeast to south winds near 10 knots. Seas 1 to
3 feet. Nearshore waters a light chop. Scattered showers and
thunderstorms.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop. Scattered showers and
thunderstorms.
.TUESDAY NIGHT...Variable winds 5 to 10. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop. Isolated showers and
thunderstorms.

$$

GMZ052-053-072-073-050845-
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 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-
1032 PM EDT Thu Jun 4 2020

.OVERNIGHT...East to southeast winds near 15 knots. Seas 2 to 4
feet. Scattered showers and thunderstorms late.
.FRIDAY...East winds near 15 knots. Seas 3 to 4 feet. Scattered
showers and thunderstorms.
.FRIDAY NIGHT...East to southeast winds increasing to 15 to 20
knots. Seas building to 3 to 5 feet. Numerous showers and
thunderstorms.
.SATURDAY AND SATURDAY NIGHT...Southeast to south winds 15 to 20
knots. Seas 3 to 6 feet. Scattered showers and thunderstorms.
.SUNDAY...Southeast to south winds decreasing to 10 to 15 knots.
Seas subsiding to 3 to 4 feet. Scattered showers and
thunderstorms.
.SUNDAY NIGHT...Southeast to south winds 10 to 15 knots. Seas 2
to 3 feet. Scattered showers and thunderstorms.
.MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Scattered showers and thunderstorms.
.MONDAY NIGHT...Southeast winds near 10 knots. Seas 2 to 3 feet.
Scattered showers and thunderstorms.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Scattered showers and thunderstorms.
.TUESDAY NIGHT...Variable winds 5 to 10 knots. Seas 1 to 2 feet.
Scattered showers and thunderstorms.

$$

GMZ054-055-074-075-050845-
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-
1032 PM EDT Thu Jun 4 2020

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY MAY BE REQUIRED FRIDAY...

.OVERNIGHT...East to southeast winds 15 to 20 knots. Seas building
to 3 to 5 feet. Numerous showers and scattered thunderstorms.
.FRIDAY...East winds 15 to 20 knots, with gusts to 25 knots. Seas
3 to 6 feet. Numerous showers and thunderstorms.
.FRIDAY NIGHT...East to southeast winds near 20 knots. Seas 4 to
7 feet. Numerous showers and thunderstorms.
.SATURDAY...Southeast winds 20 to 25 knots. Seas 5 to 8 feet.
Scattered showers and thunderstorms.
.SATURDAY NIGHT...Southeast to south winds 20 to 25 knots. Seas
6 to 9 feet. Scattered showers and thunderstorms.
.SUNDAY...South winds 20 to 25 knots, decreasing to 15 to 20
knots. Seas 6 to 9 feet, subsiding to 4 to 7 feet. Scattered
showers and thunderstorms.
.SUNDAY NIGHT...Southeast to south winds near 15 knots. Seas 4 to
6 feet. Scattered showers and thunderstorms.
.MONDAY...Southeast to south winds 10 to 15 knots. Seas 3 to
5 feet. Scattered showers and thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Scattered showers and thunderstorms.
.TUESDAY...East to southeast winds 5 to 10 knots. Seas 2 to
3 feet. Scattered showers and thunderstorms.
.TUESDAY NIGHT...Mainly east winds 5 to 10 knots. Seas 1 to 2
feet. Isolated showers and thunderstorms.

$$

GMZ033-034-050845-
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-
1032 PM EDT Thu Jun 4 2020

...SMALL CRAFT ADVISORY MAY BE REQUIRED FRIDAY...

.OVERNIGHT...East to southeast winds near 15 knots. Seas 2 to 3
feet. Numerous showers and scattered thunderstorms.
.FRIDAY...East to southeast winds increasing to 15 to 20 knots,
with gusts to 25 knots. Seas 2 to 4 feet. Numerous showers and
thunderstorms.
.FRIDAY NIGHT...East to southeast winds increasing to near 20
knots. Seas building to 3 to 6 feet. Widespread showers and
thunderstorms.
.SATURDAY...Southeast winds 20 to 25 knots. Seas 4 to 7 feet.
Scattered showers and thunderstorms.
.SATURDAY NIGHT...Southeast to south winds 20 to 25 knots. Seas
5 to 8 feet. Numerous showers and thunderstorms.
.SUNDAY...South winds 20 to 25 knots, decreasing to 15 to 20
knots. Seas 5 to 8 feet. Numerous showers and thunderstorms.
.SUNDAY NIGHT...Southeast to south winds near 15 knots. Seas
subsiding to 3 to 6 feet. Numerous showers and thunderstorms.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 5 feet. Scattered
showers and thunderstorms.
.MONDAY NIGHT...Southeast to south winds near 10 knots. Seas 2 to
4 feet. Scattered showers and thunderstorms.
.TUESDAY...Southeast to south winds 5 to 10 knots. Seas 2 to
3 feet. Scattered showers and thunderstorms.
.TUESDAY NIGHT...Variable winds near 5 knots. Seas 1 to 2 feet.
Scattered showers and thunderstorms.

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.