National Weather Service Marine Forecast FZUS52 KKEY

FZUS52 KKEY 090224
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1024 PM EDT Mon Jun 8 2026

Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef to south of Dry Tortugas, and the extreme southeastern Gulf of America, 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.

GMZ005-091430
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 1024 PM EDT Mon Jun 8 2026

SYNOPSIS
A surface high pressure system centered east of Bermuda will support light to gentle east to southeast breezes across the Florida Keys coastal waters through mid- week. A second high pressure system will push into the western North Atlantic by mid- week, maintaining light east to southeast breezes. Rain and thunder chances will be at near-normal levels early in the week, with a potential increase in coverage beyond Tuesday.

The Approximate Shoreward Edge of the Gulf Stream as of June 6...

47 NM South of Dry Tortugas Light...on Loggerhead Key. 18 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 13 NM South of Sand Key Light...off Key West. 12 NM South of Looe Key...off Big Pine Key. 14 NM South of Sombrero Key Light...off Marathon. 10 NM Southeast of Alligator Reef Light...off Islamorada. 7 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, using data from RTOFS and NASA SPoRT SST.

---

GMZ031-091430
Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound
1024 PM EDT Mon Jun 8 2026

OVERNIGHT
East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A slight chance of showers and thunderstorms.

TUESDAY
East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A chance of showers with a slight chance of thunderstorms.

TUESDAY NIGHT
East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Bay waters a light to moderate chop, becoming a light chop. A chance of showers with a slight chance of thunderstorms.

WEDNESDAY
East to southeast winds near 10 knots. Bay waters a light chop. A chance of showers with a slight chance of thunderstorms.

WEDNESDAY NIGHT
East to southeast winds near 10 knots. Bay waters a light chop. A chance of showers and thunderstorms.

THURSDAY
East to southeast winds 5 to 10 knots. Bay waters smooth to a light chop. A chance of showers and thunderstorms.

THURSDAY NIGHT AND FRIDAY
East to southeast winds 5 to 10 knots. Bay waters smooth to a light chop. A chance of showers and thunderstorms.

FRIDAY NIGHT
East to southeast winds near 5 knots. Bay waters smooth. A chance of showers and thunderstorms.

SATURDAY
Northeast to east winds near 5 knots, becoming southeast to south. Bay waters smooth, becoming smooth to a light chop. A chance of showers and thunderstorms.

SATURDAY NIGHT
Southeast to south winds near 5 knots. Bay waters smooth. A chance of showers and thunderstorms.

---

GMZ032-035-091430
Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge
Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms
1024 PM EDT Mon Jun 8 2026

OVERNIGHT
East to southeast winds 10 to 15 knots. Seas around 1 foot, except building to 1 to 2 feet west of the Marquesas Keys. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms.

TUESDAY
East to southeast winds 10 to 15 knots. Seas around 1 foot, except 1 to 2 feet west of the Marquesas Keys. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms.

TUESDAY NIGHT
East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas around 1 foot, except 1 to 2 feet west of the Marquesas Keys. Nearshore waters a light to moderate chop, becoming a light chop. A chance of showers with a slight chance of thunderstorms.

WEDNESDAY
East to southeast winds near 10 knots. Seas around 1 foot, except 1 to 2 feet west of the Marquesas Keys. Nearshore waters a light chop. A chance of showers with a slight chance of thunderstorms.

WEDNESDAY NIGHT
East to southeast winds 10 to 15 knots. Seas around 1 foot, except 1 to 2 feet west of the Marquesas Keys. Nearshore waters a light to moderate chop. A chance of showers and thunderstorms.

THURSDAY
East to southeast winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. A chance of showers and thunderstorms.

THURSDAY NIGHT AND FRIDAY
East to southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. A chance of showers and thunderstorms.

FRIDAY NIGHT
Southeast winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms.

SATURDAY
Northeast to east winds near 5 knots, becoming southeast to south. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms.

SATURDAY NIGHT
Southeast to south winds near 5 knots. Seas 1 foot or less. Nearshore waters smooth. A chance of showers and thunderstorms.

---

GMZ042>044-091430
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
1024 PM EDT Mon Jun 8 2026

OVERNIGHT
East to southeast winds 10 to 15 knots. Seas 1 to 2 feet, building to around 2 feet. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms.

TUESDAY
East to southeast winds 10 to 15 knots. Seas around 2 feet. Nearshore waters a light to moderate chop. A slight chance of showers and thunderstorms.

TUESDAY NIGHT
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. A chance of showers with a slight chance of thunderstorms.

WEDNESDAY
East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. A chance of showers with a slight chance of thunderstorms.

WEDNESDAY NIGHT
East to southeast 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. A chance of showers and thunderstorms.

THURSDAY
East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop. A chance of showers and thunderstorms.

THURSDAY NIGHT THROUGH FRIDAY NIGHT
East to southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. A chance of showers with a slight chance of thunderstorms.

SATURDAY
East to southeast winds near 5 knots. Seas around 1 foot. Nearshore waters smooth. A chance of showers and thunderstorms.

SATURDAY NIGHT
Southeast to south winds near 5 knots. Seas around 1 foot. Nearshore waters smooth. A slight chance of showers and thunderstorms.

---

GMZ052>055-072>075-091430
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
1024 PM EDT Mon Jun 8 2026

OVERNIGHT
East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers and thunderstorms.

TUESDAY
East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers and thunderstorms.

TUESDAY NIGHT
East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms.

WEDNESDAY
East to southeast winds near 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms.

WEDNESDAY NIGHT
East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.

THURSDAY
East to southeast winds near 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms.

THURSDAY NIGHT THROUGH FRIDAY NIGHT
East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. A chance of showers with a slight chance of thunderstorms.

SATURDAY
East to southeast winds near 5 knots. Seas around 1 foot. A chance of showers and thunderstorms.

SATURDAY NIGHT
Southeast to southeast winds near 5 knots. Seas around 1 foot. A chance of showers with a slight chance of thunderstorms.

---

GMZ033-034-091430
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms
Gulf of America including Dry Tortugas and Rebecca Shoal Channel
1024 PM EDT Mon Jun 8 2026

OVERNIGHT
East to southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East to southeast 2 feet at 3 seconds. A slight chance of showers and thunderstorms.

TUESDAY
East to southeast winds 10 knots. Seas 1 to 2 feet. Wave Detail: East 1 foot at 3 seconds. A slight chance of showers and thunderstorms.

TUESDAY NIGHT
East to southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East to southeast 2 feet at 3 seconds. A chance of showers with a slight chance of thunderstorms.

WEDNESDAY
East to southeast winds near 10 knots. Seas 1 to 2 feet. A chance of showers with a slight chance of thunderstorms.

WEDNESDAY NIGHT
East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms.

THURSDAY
East to southeast winds near 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms.

THURSDAY NIGHT
East to southeast winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms.

FRIDAY AND FRIDAY NIGHT
East to southeast winds near 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms.

SATURDAY
Northeast to east winds near 5 knots, becoming southeast in the afternoon. Seas 1 foot or less. A chance of showers and thunderstorms.

SATURDAY NIGHT
Southeast to south winds near 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms.