Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

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 AM EDT Tue Mar 10 2026
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This Afternoon: East winds near 10 knots, increasing to 10 to 15 knots this afternoon. Bay waters a light chop, becoming a light to moderate chop. A slight chance of showers.

Tonight: East winds 10 to 15 knots, becoming east to southeast and increasing to near 15 knots. Bay waters a light to moderate chop, becoming a moderate chop.

Wednesday: East to southeast winds near 15 knots, decreasing to 10 to 15 knots. Bay waters a moderate chop, becoming a light to moderate chop.

Wednesday Night: East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop.

Thursday: Southeast to south winds near 10 knots, becoming south and decreasing to 5 to 10 knots. Bay waters a light chop, becoming smooth to a light chop. A slight chance of showers.

Thursday Night: Southeast to south winds near 5 knots. Bay waters smooth. A slight chance of showers.

Friday: Southeast winds 5 to 10 knots. Bay waters smooth to a light chop. A chance of showers.

Friday Night: East to southeast winds near 5 knots. Bay waters smooth. A chance of showers.

Saturday: East to southeast winds 5 to 10 knots. Bay waters smooth to a light chop. A chance of showers.

Saturday Night: East to southeast winds 5 to 10 knots, becoming 10 to 15 knots after midnight. Bay waters smooth to a light chop, becoming a light to moderate chop. A chance of showers.







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

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