Heavy Rainfall Threat The Across The Eastern U.S.

A strong cold front will gradually push through the Eastern U.S. over the next couple of days and will bring heavy rain and severe weather, primarily damaging winds . Excessive rainfall may result in flash flooding in the central Great Lakes and central Appalachians. Flash flood watches are currently in effect from the coastal Carolinas to the Great Lakes.
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Hazardous Weather Conditions

Last Update: 405 AM EDT Wed Sep 22 2021

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Miami - South Florida Local Forecast Office

9NM E South Palm Beach FL

Marine Zone Forecast


Synopsis: The periphery of a weak surface high pressure remains established over South Florida. Scattered showers and thunderstorms will develop and move across the area waters today. Scattered showers and thunderstorms will also remain possible from time to time over all of the local waters over the next few days. Winds and waves could be locally higher in any shower or thunderstorm activity.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream as of Sep 21, 2021 at 1200 UTC...

13 nautical miles east of Fowey Rocks. 20 nautical miles east northeast of Port Everglades. 8 nautical miles east northeast of Lake Worth. 7 nautical miles northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Today
South winds around 5 knots. Seas around 2 feet. Period 7 seconds. Intracoastal waters smooth. Chance of thunderstorms in the morning. Showers likely. Thunderstorms likely in the afternoon.
Tonight
Southwest winds around 5 knots. Seas around 2 feet. Period 7 seconds. Intracoastal waters smooth. Chance of showers and thunderstorms.
Thursday
West southwest winds around 5 knots becoming south in the afternoon. Seas around 2 feet. Period 7 seconds. Intracoastal waters smooth. Chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon.
Thursday Night
Southeast winds around 5 knots becoming southwest after midnight. Seas around 2 feet. Period 8 seconds. Intracoastal waters smooth. Showers likely in the evening. Chance of thunderstorms through the night. Chance of showers after midnight.
Friday
Northwest winds around 5 knots becoming northeast in the afternoon. Seas 2 to 3 feet. Intracoastal waters a light chop. Showers likely and chance of thunderstorms.
Friday Night
East northeast winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. Chance of showers and thunderstorms.
Saturday
Northeast winds around 5 knots. Seas 2 to 3 feet. Intracoastal waters smooth. Showers likely and chance of thunderstorms.
Saturday Night
Northeast winds around 5 knots. Seas around 2 feet. Intracoastal waters smooth. Chance of showers and thunderstorms.
Sunday
Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. Chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 405 AM EDT Wed Sep 22 2021
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