Isolated Thunderstorms and Heavy Rains from the Southern Plains to the Southeast

Isolated strong to severe storms capable of producing large hail and damaging wind gusts may occur across parts of the southern Plains into the Southeast. Heavy rains may cause localized flash, urban, and small stream flooding from the Southern Plains across the Lower Mississippi Valley through Wednesday. Elevated fire weather conditions continue across the Southwest and northern California.
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Hazardous Weather Conditions

Last Update: 403 AM EDT Tue May 11 2021

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Miami - South Florida Local Forecast Office

39NM W Marco Island FL

Marine Zone Forecast


Synopsis: High pressure centered over the western Atlantic waters will continue to support light to moderate easterly to southeasterly winds across the South Florida waters through the week. Scattered showers and a few thunderstorms will be possible, especially during the overnight and morning hours across the Atlantic waters. Shower and thunderstorm chances will increase by mid to late week, especially across the Atlantic waters where locally gusty winds and rough seas will be possible.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream as of May 11, 2021 at 1200 UTC...

12 nautical miles southeast of Fowey Rocks. 19 nautical miles east northeast of Port Everglades. 12 nautical miles east southeast of Lake Worth. 12 nautical miles northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Today
East southeast winds around 5 knots becoming south in the afternoon. Seas less than 2 feet. Period 3 seconds.
Tonight
East southeast winds 10 knots. Seas less than 2 feet. Period 3 seconds.
Wednesday
Southeast winds around 5 knots becoming south southwest in the afternoon. Seas less than 2 feet. Period 3 seconds.
Wednesday Night
North northeast winds around 5 knots. Seas less than 2 feet. Period 4 seconds.
Thursday
East northeast winds around 5 knots becoming north northwest in the afternoon. Seas less than 2 feet.
Thursday Night
Northeast winds 5 to 10 knots. Seas around 2 feet.
Friday
North winds 5 to 15 knots. Seas around 2 feet.
Friday Night
Northeast winds 10 to 15 knots with gusts to around 20 knots. Seas 2 to 3 feet.
Saturday
North winds 10 to 15 knots. Seas 2 to 3 feet.
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ABOUT THIS FORECAST

Last Update: 403 AM EDT Tue May 11 2021
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