Heavy Rain and Potential for Flash Flooding for Mid-Atlantic

A strong storm system will bring heavy rain to the Mid-Atlantic and central Appalachians into Saturday. Flash flooding and widespread lowland flooding are possible during this period. Meanwhile, monsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Desert Southwest through the southern/central Rockies and High Plains.
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Last Update: 359 AM EDT Sat Jul 29 2017

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Miami - South Florida Local Forecast Office

5NM SE Biscayne Bay FL

Marine Zone Forecast


Synopsis: A weakening ridge of high pressure will shift east of the region with a front approaching the area from the north. This will lead to westerly to southwesterly winds through Monday. The front will stall over central Florida Sunday, close enough to bring wind speeds to near 15 knots over the open waters. Seas will remain 4 feet or less. The chance of thunderstorms will steadily increase through Monday into Tuesday, with locally higher winds and waves near the strongest thunderstorms.

.GULF STREAM HAZARDS...none.

The approximate location of the west wall of the Gulf Stream as of Jul 29, 2017 at 1200 UTC...

7 nautical miles east of Fowey Rocks. 15 nautical miles east southeast of Port Everglades. 14 nautical miles east southeast of Lake Worth. 15 nautical miles east southeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Today
Southwest winds 10 to 15 knots. Seas less than 2 feet. Period 3 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Tonight
West southwest winds 5 to 10 knots along the coast to west southwest 10 to 15 knots in the gulf stream. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Sunday
Southwest winds 10 to 15 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms in the morning...then showers and thunderstorms likely in the afternoon.
Sunday Night
Along the coast, west southwest winds 5 to 10 knots. In the gulf stream, west southwest winds 10 to 15 knots becoming around 5 knots after midnight. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop. Showers likely and a chance of thunderstorms.
Monday
South southwest winds 5 to 10 knots along the coast to south southwest 10 to 15 knots in the gulf stream. Seas less than 2 feet. Intracoastal waters a light chop. Thunderstorms likely in the morning. Showers. A chance of thunderstorms in the afternoon.
Monday Night
South winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Showers likely and a chance of thunderstorms.
Tuesday
South southwest winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. Showers and thunderstorms likely.
Tuesday Night And Wednesday
East southeast winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 359 AM EDT Sat Jul 29 2017
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