Excessive Heat Spreads East; Many Areas with Heavy Rain Threats

Hot and muggy conditions are forecast to continue across the Midwest and Northeast, while spreading eastward. A frontal boundary bringing very heavy rains to the Upper Midwest will sag southward bringing cooler temperatures to areas to the north, including the city of Chicago. Heavy rains will also be possible along the Texas Gulf Coast from a tropical disturbance.
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Hazardous Weather Conditions

Last Update: 426 AM EDT Mon Jun 18 2018

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Miami - South Florida Local Forecast Office

11NM ESE South Palm Beach FL

Marine Zone Forecast


Synopsis: High pressure building into the area from the Atlantic will produce east winds less than 15 knots through Tuesday, then becoming less than 10 knots on Wednesday as the high shifts south of the area. Wind becomes southwest to west 10 knots or less Thursday and Friday. Showers and thunderstorms will be most numerous over the Atlantic waters during the night and morning hours through Tuesday, and Lake Okeechobee and the Gulf waters in the afternoon and evening with locally gusty winds and rough seas. By the latter part of the week, most of the showers and thunderstorms will be over the Atlantic waters during the afternoon and evening hours.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream as of Jun 16, 2018 at 1200 UTC...

4 nautical miles east of Fowey Rocks. 11 nautical miles southeast of Port Everglades. 10 nautical miles east southeast of Lake Worth. 15 nautical miles east northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Today
East winds 10 to 15 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a moderate chop. A chance of showers and slight chance of thunderstorms mainly in the morning.
Tonight
East winds around 10 knots. Seas around 2 feet.period 4 seconds. Intracoastal waters a light chop. A slight chance of showers after midnight.
Tuesday
East winds 5 to 10 knots. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop. A slight chance of showers and thunderstorms.
Tuesday Night
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 after midnight.
Wednesday
East southeast winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. A slight chance of showers and thunderstorms.
Wednesday Night
South southwest winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. A chance of showers.
Thursday
South winds 5 knots along the coast to south southwest 5 to 10 knots in the gulf stream. Seas less than 2 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Thursday Night
West winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. A chance of showers and a slight chance of thunderstorms.
Friday
Winds south winds in the afternoon. Winds west southwest 5 to 10 knots in the morning. Seas less than 2 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 426 AM EDT Mon Jun 18 2018
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