Heavy rain and severe weather possible from the northern/central Plains to the Upper Midwest

Heavy rainfall and severe thunderstorms are expected across portions of the northern and central Plains, pushing eastward into the Upper Midwest by Wednesday. These severe thunderstorms may be capable of producing large hail and damaging winds, and possibly some tornadoes.
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Hazardous Weather Conditions

Last Update: 939 PM EDT Tue Jun 27 2017

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Miami - South Florida Local Forecast Office

11NM ESE South Palm Beach FL

Marine Zone Forecast


Synopsis: Light and somewhat variable flow will continue into midweek, increasing from the east-southeast late week as high pressure rebuilds to the north of the region. Both the Gulf and Atlantic sea breezes will enhance winds near the coasts each afternoon. Scattered thunderstorms can be expected each day, especially over the open Gulf and Atlantic during the nights and mornings. Locally higher winds and seas can be expected near any storm that develops.

.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.

Rest Of Tonight
South southwest winds 5 to 10 knots. Seas less than 2 feet. Period 5 seconds. Intracoastal waters a light chop. A chance of showers and a slight chance of thunderstorms through the night.
Wednesday
Southwest winds around 5 knots becoming northeast in the afternoon. Seas less than 2 feet. Period 7 seconds becoming 2 seconds in the afternoon. Intracoastal waters a light chop. A chance of showers and a slight chance of thunderstorms.
Wednesday Night
East southeast winds 10 to 15 knots. Seas around 2 feet. Dominant period 3 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms.
Thursday
Southeast winds 5 to 10 knots. Seas around 2 feet. Dominant period 4 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Thursday Night
Southeast winds 5 to 10 knots along the coast to southeast 10 to 15 knots in the gulf stream. Seas around 2 feet. Intracoastal waters a moderate chop. A chance of showers and thunderstorms.
Friday And Friday Night
Southeast winds around 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Saturday
East southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A slight chance of showers and thunderstorms.
Saturday Night
Winds southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Sunday
East southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 939 PM EDT Tue Jun 27 2017
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