Heat Wave from Montana to the South

An extensive heat wave will consume the Central half of the U.S for the next few days. Widespread excessive heat warnings and heat advisories stretch from Montana into the South with the potential for a few record high temperatures in the north-central High Plains. Also, severe thunderstorms with hail and damaging winds are expected the next couple of days in the Upper Midwest and Great Lakes.
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Hazardous Weather Conditions

Last Update: 402 PM EDT Tue Jul 27 2021

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Miami - South Florida Local Forecast Office

45NM E Sea Ranch Lakes FL

Marine Zone Forecast


Synopsis: Benign marine conditions will occur throughout the rest of the week outside of showers and thunderstorms. Scattered to numerous showers and thunderstorms will be possible across the Atlantic and Gulf waters each day. Expect periods of rough seas and gusty winds in and around any thunderstorm.

.GULF STREAM HAZARDS...Winds and waves could be locally higher in and around any shower or thunderstorm.

The approximate location of the west wall of the Gulf Stream as of Jul 27, 2021 at 1200 UTC...

5 nautical miles east of Fowey Rocks. 12 nautical miles east of Port Everglades. 13 nautical miles east southeast of Lake Worth. 9 nautical miles northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Tonight
South southwest winds 5 to 10 knots. Seas less than 2 feet. Period 6 seconds. Intracoastal waters a light chop. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms after midnight.
Wednesday
West southwest winds 5 knots becoming southeast in the afternoon. Seas less than 2 feet. Period 3 seconds. Intracoastal waters a light chop. Chance of showers and thunderstorms.
Wednesday Night
South southeast winds around 5 knots. Seas less than 2 feet. Period 2 seconds. Intracoastal waters smooth. Slight chance of showers and thunderstorms.
Thursday
Southeast winds 5 to 10 knots. Seas less than 2 feet. Period 2 seconds. Intracoastal waters a light chop. Chance of showers and thunderstorms.
Thursday Night
South southeast winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms after midnight.
Friday
Southeast winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. Chance of showers and thunderstorms.
Friday Night
South southeast winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. Slight chance of showers and thunderstorms through the night.
Saturday
Southeast winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon.
Saturday Night
South southeast winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. Slight chance of showers and thunderstorms through the night.
Sunday
South southeast winds 5 to 10 knots. Seas less than 2 feet. Intracoastal waters a light chop. Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon.
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ABOUT THIS FORECAST

Last Update: 402 PM EDT Tue Jul 27 2021
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