Coastal Waters Forecast for Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound (GMZ031) (Text-Only)
NWS Forecast for: Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound (GMZ031)
Issued by: National Weather Service Key West, FL
Last Update: 1030 PM EDT Wed Jun 3 2026




Overnight: Northeast to east winds near 15 knots, decreasing to 10 to 15 knots. Bay waters a moderate chop, becoming a light to moderate chop. Showers likely with a chance of thunderstorms.

Thursday: Northeast to east winds near 10 knots, increasing to near 15 knots. Bay waters a light chop, becoming a moderate chop. Showers with a chance of thunderstorms.

Thursday Night: Northeast to east winds near 15 knots. Bay waters a moderate chop. Showers likely with a chance of thunderstorms.

Friday: Northeast to east winds 10 to 15 knots, increasing to near 15 knots. Bay waters a light to moderate chop, becoming a moderate chop. Showers likely with a chance of thunderstorms.

Friday Night: Northeast to east winds decreasing to 10 to 15 knots. Bay waters becoming a light to moderate chop. A chance of thunderstorms with a slight chance of showers.

Saturday: Northeast to east winds near 10 knots, becoming east. Bay waters a light chop. A chance of showers with a slight chance of thunderstorms.

Saturday Night: Northeast to east winds 10 to 15 knots, becoming east near 10 knots. Bay waters a light to moderate chop, becoming a light chop. A chance of showers and thunderstorms.

Sunday: East winds 5 to 10 knots, becoming southeast near 10 knots. Bay waters smooth to a light chop, becoming a light chop. a chance of showers and thunderstorms.

Sunday Night: Southeast to south winds near 10 knots. Bay waters a light chop. A chance of showers and thunderstorms.

Monday: South winds near 5 knots, becoming southeast to south in the afternoon. Bay waters smooth. A chance of showers and thunderstorms.

Monday Night: Southeast to south winds 5 to 10 knots. Bay waters smooth to a light chop. A chance of showers and thunderstorms.







Zone Forecast: Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound (GMZ031)

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