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

9NM E South Palm Beach 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
South winds 5 to 10 knots becoming southeast in the afternoon. Seas less than 2 feet. Period 4 seconds. Intracoastal waters a light chop. Chance of showers and slight chance of thunderstorms in the morning.
Tonight
Southeast winds around 10 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop.
Wednesday
Southeast winds 5 to 10 knots. Seas less than 2 feet. Period 4 seconds. Intracoastal waters a light chop. Chance of showers and thunderstorms in the afternoon.
Wednesday Night
South southeast winds 5 to 10 knots. Seas less than 2 feet. Period 3 seconds. Intracoastal waters a light chop. Chance of thunderstorms in the evening. Chance of showers through the night. Slight chance of thunderstorms after midnight.
Thursday
East southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Chance of showers and slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon.
Thursday Night
East northeast winds around 5 knots. Seas 2 to 3 feet along the coast and 3 to 5 feet with occasional to 6 feet in the gulf stream. Intracoastal waters smooth. Showers likely and chance of thunderstorms in the evening, then chance of showers and slight chance of thunderstorms after midnight.
Friday
North winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet along the coast and 3 to 5 feet with occasional to 6 feet in the gulf stream. Intracoastal waters a light chop. Slight chance of thunderstorms in the morning. Chance of showers. Chance of thunderstorms in the afternoon.
Friday Night
North northeast winds around 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet along the coast and 4 to 6 feet with occasional to 8 feet in the gulf stream. Intracoastal waters a light chop. Chance of showers and slight chance of thunderstorms.
Saturday
North northeast winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas to 5 feet along the coast and 4 to 6 feet with occasional to 8 feet in the gulf stream. Intracoastal waters a moderate chop. Slight chance of showers in the morning, then chance of showers and slight chance of thunderstorms in the afternoon.
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ABOUT THIS FORECAST

Last Update: 403 AM EDT Tue May 11 2021
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