| NWS Forecast for: Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound (GMZ031) Issued by: National Weather Service Key West, FL Last Update: 420 PM EDT Tue May 19 2026 |  |
Tonight: East winds 15 to 20 knots in the evening, decreasing to near 15 knots. Bay waters choppy, becoming a moderate chop. A chance of showers with a slight chance of thunderstorms. Wednesday: East winds 10 to 15 knots. Bay waters a light to moderate chop. A chance of showers with a slight chance of thunderstorms. Wednesday Night: East 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. Thursday: East winds near 10 knots, increasing to 10 to 15 knots. Bay waters a light chop, becoming a light to moderate chop. A slight chance of showers and thunderstorms. Thursday Night: East winds 10 to 15 knots. Bay waters a light to moderate chop. A slight chance of showers and thunderstorms. Friday: East to southeast winds near 10 knots. Bay waters a light chop. A slight chance of showers and thunderstorms. Friday Night: East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. A slight chance of showers and thunderstorms. Saturday: 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. Saturday Night: 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. Sunday: East to southeast winds near 15 knots. Bay waters a moderate chop. A slight chance of showers and thunderstorms. Sunday Night: East winds 15 to 20 knots. Bay waters choppy. A chance of showers with a slight chance of thunderstorms. | |
| Zone Forecast: Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound (GMZ031) | |
Visit your local NWS office at: https://www.weather.gov/key |