National Weather Service Marine Forecast FZUS52 KKEY

FZUS52 KKEY 270828
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
428 AM EDT Sat Jul 27 2024

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.

GMZ005-271430
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 428 AM EDT Sat Jul 27 2024

SYNOPSIS
Light to gentle east to southeast breezes will prevail through the weekend, and into the first half of next week as the ridging that has been in place will retract eastward. Winds will freshen once again next week as the high builds back over mainland Florida Tuesday and Tuesday night, lasting through the middle of the week.

The Approximate Shoreward Edge of the Gulf Stream as of July 27, 2024...

74 NM South of Dry Tortugas Light...on Loggerhead Key. 62 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 61 NM South of Sand Key Light...off Key West. 60 NM South of Looe Key...off Big Pine Key. 55 NM South of Sombrero Key Light...off Marathon. 21 NM Southeast of Alligator Reef Light...off Islamorada. 15 NM Southeast of Molasses Reef Light...off Key Largo. 13 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

---

GMZ031-271430
Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound
428 AM EDT Sat Jul 27 2024

TODAY
East to southeast winds near 5 knots, becoming southeast and increasing to 5 to 10 knots this afternoon. Bay waters smooth, becoming smooth to a light chop. Isolated showers and thunderstorms.

TONIGHT
Southeast winds near 5 knots, becoming east to southeast. Bay waters smooth. Isolated showers and thunderstorms.

SUNDAY
East winds near 5 knots, becoming southeast. Bay waters smooth. Isolated showers and thunderstorms.

SUNDAY NIGHT
Variable winds near 5 knots. Bay waters smooth. Isolated showers and thunderstorms.

MONDAY
East to southeast winds near 5 knots, becoming southeast to south. Bay waters smooth. Scattered showers and isolated thunderstorms.

MONDAY NIGHT
Southeast to south winds near 5 knots, becoming northeast to east after midnight. Bay waters smooth. Isolated showers and thunderstorms.

TUESDAY
East to southeast winds near 5 knots, increasing to 5 to 10 knots. Bay waters smooth, becoming smooth to a light chop. Scattered showers and isolated thunderstorms.

TUESDAY NIGHT
East to southeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Bay waters smooth to a light chop, becoming a light to moderate chop. Scattered showers and isolated thunderstorms.

WEDNESDAY AND WEDNESDAY NIGHT
East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and isolated thunderstorms.

---

GMZ032-035-271430
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
428 AM EDT Sat Jul 27 2024

TODAY
East to southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Isolated showers and thunderstorms.

TONIGHT
East to southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Isolated showers and thunderstorms.

SUNDAY
East to southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers and thunderstorms.

SUNDAY NIGHT
East to southeast winds near 5 knots, becoming northeast to east. Seas 1 foot or less. Nearshore waters smooth. Isolated showers and thunderstorms.

MONDAY
East winds near 5 knots, becoming east to southeast. Seas 1 foot or less. Nearshore waters smooth. Isolated showers and thunderstorms.

MONDAY NIGHT
Northeast to east winds near 5 knots, becoming east and increasing to 5 to 10 knots after midnight. Seas 1 foot or less. Nearshore waters smooth, becoming smooth to a light chop. Isolated showers and thunderstorms.

TUESDAY
East to southeast winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms.

TUESDAY NIGHT
East winds 5 to 10 knots, becoming east to southeast and increasing to 10 to 15 knots after midnight. Seas 1 foot or less, building to 1 to 2 feet. Nearshore waters smooth to a light chop, becoming a light to moderate chop. Scattered showers and isolated thunderstorms.

WEDNESDAY
East to southeast winds near 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet, except building to around 2 feet west of the Marquesas Keys. Nearshore waters a light chop, becoming a light to moderate chop. Scattered showers and isolated thunderstorms.

WEDNESDAY NIGHT
East to southeast winds near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a moderate chop. Scattered showers and isolated thunderstorms.

---

GMZ042>044-271430
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
428 AM EDT Sat Jul 27 2024

TODAY
East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. Isolated showers and thunderstorms.

TONIGHT
East to southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Isolated showers and thunderstorms.

SUNDAY
East to southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. Isolated showers and thunderstorms.

SUNDAY NIGHT
East to southeast winds near 5 knots, becoming northeast to east. Seas 1 foot or less. Nearshore waters smooth. Isolated showers and thunderstorms.

MONDAY
East winds near 5 knots, becoming east to southeast. Seas 1 foot or less. Nearshore waters smooth. Isolated showers and thunderstorms.

MONDAY NIGHT
Northeast to east winds near 5 knots, becoming east and increasing to 5 to 10 knots after midnight. Seas 1 foot or less, building to around 1 foot. Nearshore waters smooth, becoming smooth to a light chop. Isolated showers and thunderstorms.

TUESDAY
East to southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms.

TUESDAY NIGHT
East winds near 10 knots, becoming east to southeast and increasing to near 15 knots after midnight. Seas around 1 foot, building to around 2 feet. Nearshore waters a light chop, becoming a moderate chop. Scattered showers and isolated thunderstorms.

WEDNESDAY
East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas around 2 feet. Nearshore waters a light to moderate chop, becoming a light chop. Scattered showers and isolated thunderstorms.

WEDNESDAY NIGHT
East to southeast winds near 15 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop. Scattered showers and isolated thunderstorms.

---

GMZ052>055-072>075-271430
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
428 AM EDT Sat Jul 27 2024

TODAY
East to southeast winds near 10 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 4 seconds. Isolated showers and thunderstorms.

TONIGHT
East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East to southeast 1 foot at 4 seconds. Isolated showers and thunderstorms.

SUNDAY
East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 1 foot at 4 seconds. Isolated showers and thunderstorms.

SUNDAY NIGHT
East winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms.

MONDAY
East winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms.

MONDAY NIGHT
Northeast to east winds near 10 knots. Seas 1 to 2 feet. Isolated showers and thunderstorms.

TUESDAY
East winds near 10 knots. Seas around 2 feet. Scattered showers and isolated thunderstorms.

TUESDAY NIGHT
Northeast to east winds 10 to 15 knots, becoming east to southeast and increasing to near 15 knots. Seas around 2 feet, building to around 3 feet. Isolated showers and thunderstorms.

WEDNESDAY
East to southeast winds near 15 knots, becoming east. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms.

WEDNESDAY NIGHT
East winds near 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers and isolated thunderstorms.

---

GMZ033-034-271430
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
428 AM EDT Sat Jul 27 2024

TODAY
Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East to southeast 1 foot at 3 seconds. Isolated showers and thunderstorms.

TONIGHT
East to southeast winds 5 to 10 knots. Seas around 1 foot. Wave Detail: East to southeast 1 foot at 3 seconds. Isolated showers and thunderstorms.

SUNDAY
East to southeast winds near 5 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds. Isolated showers and thunderstorms.

SUNDAY NIGHT
Northeast to east winds near 5 knots. Seas 1 foot or less. Isolated showers and thunderstorms.

MONDAY
East winds near 5 knots. Seas 1 foot or less. Isolated showers and thunderstorms.

MONDAY NIGHT
Northeast to east winds near 5 knots. Seas 1 foot or less. Isolated showers and thunderstorms.

TUESDAY
East winds 5 to 10 knots. Seas 1 foot or less. Scattered showers and isolated thunderstorms.

TUESDAY NIGHT
Northeast to east winds 5 to 10 knots, becoming east to southeast and increasing to 10 to 15 knots after midnight. Seas 1 foot or less, building to 1 to 2 feet. Scattered showers and isolated thunderstorms.

WEDNESDAY
East to southeast winds near 10 knots. Seas 1 to 2 feet. Scattered showers and isolated thunderstorms.

WEDNESDAY NIGHT
East to southeast winds 10 to 15 knots, increasing to near 15 knots. Seas 1 to 3 feet, building to 2 to 3 feet. Scattered showers and isolated thunderstorms.

---

MJV