Severe thunderstorms possible from the central Plains to the upper Midwest

Severe thunderstorms containing damaging winds, large hail, heavy rainfall, and a few isolated tornadoes will be possible this afternoon into tonight from the central Plains to the upper Midwest. The threat is expected to shift east into the Great Lakes region by Friday. In addition, heavy rainfall could cause localized flooding concerns.
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Hazardous Weather Conditions

Last Update: 319 AM EDT Wed Jun 28 2017

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Miami - South Florida Local Forecast Office

7NM ENE South Palm Beach FL

Marine Zone Forecast


Synopsis: Generally good boating conditions will prevail across the local waters for the next several days with light southeasterly flow. Local sea breezes may briefly enhance winds near the coast to 10-15 knots during the afternoon, from the southeast along the Atlantic coast and west/southwest along the Gulf coast. Additionally, locally erratic winds along with lightning will be possible in and around thunderstorms which are expected to be isolated to widely scattered in coverage. Waves will be 3 feet or less heading into the weekend.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream as of Jun 27, 2017 at 1200 UTC...

14 nautical miles east northeast of Fowey Rocks. 20 nautical miles east southeast of Port Everglades. 13 nautical miles east northeast of Lake Worth. 14 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Today
Southeast winds around 5 knots becoming east in the afternoon. Seas less than 2 feet. Period 7 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Tonight
East southeast winds 5 to 10 knots. Seas less than 2 feet. Period 3 seconds. Intracoastal waters a light chop. A slight chance of showers and thunderstorms in the evening... Then a chance of showers and thunderstorms after midnight.
Thursday
East southeast winds 5 to 10 knots. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Thursday Night
Southeast winds 5 to 10 knots. Seas around 2 feet. Period 5 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Friday
Southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A slight chance of showers and thunderstorms.
Friday Night
Southeast winds 10 to 15 knots. Seas around 2 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms.
Saturday And Saturday Night
Southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A slight chance of showers and thunderstorms.
Sunday
East southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A slight chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 319 AM EDT Wed Jun 28 2017
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