Hazardous Summer Heat Continues For Several Spots

More summer heat is expected for parts of the western and southern U.S. this week. Excessive Heat Warnings are in effect for parts of the West, while Heat Advisories blanket the South. Record high temperatures are possible in the South this weekend well into next week, so this period of hazardous heat will be a prolonged one.
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Hazardous Weather Conditions

Last Update: 1020 AM EDT Wed Jul 18 2018

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Miami - South Florida Local Forecast Office

11NM W Marco Island FL

Marine Zone Forecast


Synopsis: Generally south to southwesterly flow prevails across the marine zones with broad high pressure over the region. Showers and storms will be a concern for all the waters through the period, though coverage will be less the next few days. Locally higher winds and seas are possible near any thunderstorms that do develop.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream as of Jul 17, 2018 at 1200 UTC...

7 nautical miles east southeast of Fowey Rocks. 13 nautical miles east northeast of Port Everglades. 12 nautical miles east northeast of Lake Worth. 10 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Rest Of Today
Southwest winds 5 to 10 knots. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop.
Tonight
South southwest winds 5 to 10 knots. Seas less than 2 feet. Period 3 seconds. Bay and inland waters a light chop.
Thursday
Southwest winds 5 to 10 knots. Seas around 2 feet. Period 5 seconds. Bay and inland waters a light chop.
Thursday Night
Nearshore, south southeast after midnight. West southwest winds 5 to 10 knots. Offshore, south after midnight. Seas around 2 feet. Period 4 seconds. Bay and inland waters a light chop.
Friday
Southwest winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters a light chop. A chance of showers and a slight chance of thunderstorms.
Friday Night
West southwest winds 5 to 10 knots becoming south southeast after midnight. Seas around 2 feet. Bay and inland waters a light chop. A slight chance of showers and thunderstorms.
Saturday
West southwest winds 5 to 10 knots. Seas less than 2 feet. Bay and inland waters a light chop. A chance of showers and a slight chance of thunderstorms.
Saturday Night
Southwest winds 5 to 10 knots nearshore and west southwest 5 to 10 knots offshore. Seas less than 2 feet. Bay and inland waters a light chop. A slight chance of showers.
Sunday
West winds 5 to 10 knots. Seas around 2 feet. Bay and inland waters a light chop. A chance of showers and a slight chance of thunderstorms.
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ABOUT THIS FORECAST

Last Update: 1020 AM EDT Wed Jul 18 2018
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