Severe Thunderstorms, Heavy Rain, Gusty Winds, And Flooding Potential From The Southeast U.S. To The Appalachians and Mid Atlantic Region

A slow moving low pressure system will track from the southern U.S. to the Mid Atlantic and Northeast early this week. The system will bring widespread rain, locally heavy from the Deep South to the Mid Atlantic Region. Localized flooding will be possible. In addition, the potential exists for strong to severe thunderstorms capable of damaging wind particularly over the Southeast U.S. into Monday.
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Hazardous Weather Conditions

Last Update: 929 PM EDT Sun Apr 22 2018

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Miami - South Florida Local Forecast Office

11NM W Marco Island FL

Marine Zone Forecast


Synopsis: High pressure over the mid-Atlantic and low pressure over the mid-south states will bring moderate southerly winds across the area tonight. Winds veer around to south-southwest on Monday night and southwest by late Tuesday as a front approaches. Scattered to numerous showers and isolated thunderstorms are likely over the waters through late Tuesday. Winds and waves may be locally higher near thunderstorms. Winds shift to northwest behind the front as conditions improve Wednesday.

.GULF STREAM HAZARDS...Seas near 6 feet through early this evening in the waters off of Palm Beach County.

The approximate location of the west wall of the Gulf Stream as of Apr 21, 2018 at 1200 UTC...

12 nautical miles east southeast of Fowey Rocks. 10 nautical miles east of Port Everglades. 8 nautical miles east southeast of Lake Worth. 11 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Rest Of Tonight
East southeast winds 5 to 10 knots. Seas less than 2 feet. Period 3 seconds. Bay and inland waters a light chop.
Monday
South winds 5 to 10 knots. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. A slight chance of showers in the morning. A slight chance of thunderstorms. A chance of showers in the afternoon.
Monday Night
South winds 5 knots nearshore and south 5 to 10 knots offshore. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. A slight chance of showers in the evening. A slight chance of thunderstorms through the night. A chance of showers after midnight.
Tuesday
South winds 5 to 10 knots becoming west southwest in the afternoon. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. A chance of showers and a slight chance of thunderstorms.
Tuesday Night
Northwest winds 5 to 10 knots nearshore and west northwest 5 to 10 knots offshore. Seas around 2 feet. Bay and inland waters a light chop. A slight chance of showers in the evening...then a chance of showers after midnight.
Wednesday
West northwest winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters a light chop. A slight chance of showers.
Wednesday Night
Northwest winds 5 to 10 knots. Seas less than 2 feet nearshore and 2 to 3 feet offshore. Bay and inland waters light chop.
Thursday
Northwest winds around 5 knots becoming west in the afternoon. Seas around 2 feet. Bay and inland waters a light chop.
Thursday Night
Northwest winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters a light chop.
Friday
West northwest winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters a light chop. A slight chance of showers.
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ABOUT THIS FORECAST

Last Update: 929 PM EDT Sun Apr 22 2018
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