Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend
Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >
Last Update: 401 PM EDT Thu Sep 17 2026
For More Weather Information:
11NM W Marco Island FL
Marine Zone Forecast
Tonight
E winds 15 to 20 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 4 seconds. Bay and inland waters a moderate chop. A chance of showers and tstms, mainly this evening.
Fri
NE winds 10 to 15 kt, becoming E 5 to 10 kt in the afternoon. Seas 2 to 3 ft, subsiding to 1 to 2 ft in the afternoon. Wave detail: NE 2 ft at 3 seconds. Bay and inland waters light chop. A chance of showers and tstms.
Fri Night
E winds 5 to 10 kt. Seas less than 2 ft or less. Wave detail: NE 1 foot at 2 seconds. Bay and inland waters light chop. A chance of showers and tstms.
Sat
E winds 5 to 10 kt, becoming SE in the afternoon. Seas less than 2 ft or less. Wave detail: E 1 foot at 2 seconds. Bay and inland waters light chop. A chance of tstms. Showers.
Sat Night
E winds around 5 kt. Seas less than 2 ft or less. Bay and inland waters smooth. A chance of tstms. Showers.
Sun
S winds around 5 kt. Seas less than 2 ft or less. Bay and inland waters smooth. Showers with a chance of tstms until late afternoon, then showers with tstms likely late.
Sun Night
S winds around 5 kt. Seas less than 2 ft or less. Bay and inland waters smooth. Showers likely with a chance of tstms.
Mon
S winds around 5 kt, becoming SW in the afternoon. Seas less than 2 ft or less. Bay and inland waters light chop. Showers likely. A chance of tstms until late afternoon, then tstms likely late.
Mon Night
S winds 5 to 10 kt. Seas less than 2 ft or less. Bay and inland waters light chop. Showers likely with a chance of tstms.
Tue
S winds 5 to 10 kt. Seas less than 2 ft or less. Bay and inland waters light chop. Showers with a chance of tstms in the morning, then showers with tstms likely in the afternoon.
Tue Night
SE winds 5 to 10 kt. Seas less than 2 ft or less. Bay and inland waters light chop. Showers likely. Tstms likely early in the evening, then a chance of tstms in the late evening and overnight.
winds and seas higher in and near tstms.
winds and seas higher in and near tstms.
Additional Forecasts and Information
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