Severe Thunderstorm and Flash Flooding Threats in the South

Organized severe thunderstorms capable of producing mainly large hail and perhaps damaging winds are expected across portions of Louisiana this afternoon with a second round further west tonight. Heavy thunderstorms may lead to flash flooding over portions of the northern Gulf Coast today through Saturday. Several inches of excessive rainfall are possible with Flash Flood Watches in effect.
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Last Update: 210 PM EDT Tue Apr 13 2021

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Tampa Bay, FL Local Forecast Office

8NM W Passage Key Inlet FL

Marine Zone Forecast


Synopsis: High pressure in place will keep calm and pleasant boating conditions over the next couple of days with winds below 15 knots. Isolated to scattered showers and thunderstorms will be possible across the northern half of the Gulf waters by Thursday afternoon as a weakening cold front moves towards the area. Winds and seas will likely remain below headline and advisory criteria through the period. However, an area of low pressure moving into the Eastern Gulf will enhance shower and thunderstorm activity by Sunday and persisting into the first half of the work week.

Tonight
North winds around 5 knots then becoming east around 10 knots after midnight. Seas 2 feet or less. Bay and inland waters a light chop.
Wednesday
Southeast winds around 10 knots then becoming southwest in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Wednesday Night
Southwest winds around 10 knots then becoming south after midnight. Seas 2 feet or less. Bay and inland waters a light chop.
Thursday
Southwest winds 15 to 20 knots. Seas 2 feet. Bay and inland waters a moderate chop.
Thursday Night
Southwest winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Friday
Southwest winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Friday Night
South winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Saturday
South winds 15 to 20 knots. Seas 2 feet. Bay and inland waters a moderate chop.
Saturday Night
Southwest winds around 10 knots. Seas 2 to 3 feet. Bay and inland waters a light chop. A slight chance of thunderstorms after midnight.
Sunday
Southwest winds around 10 knots. Seas 2 to 3 feet. Bay and inland waters a light chop. A chance of showers and a slight chance of thunderstorms.
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ABOUT THIS FORECAST

Last Update: 210 PM EDT Tue Apr 13 2021
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