An Enduring Heat Wave Begins for Texas and Southern Plains

Starting today, a blazing Heat Wave will consume much of the Southern Plains and Lower MS Valley through early next week, especially for TX. Numerous Excessive Heat Warnings, Watches and Advisories are in effect for the mid-section of TX and OK and these hazards will only become more widespread. Expect record Highs temps and very dangerous Heat Indices, both surging well north of triple digits.
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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

9NM E South Palm Beach 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
South winds 10 to 15 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Tonight
Southwest winds 5 to 10 knots along the coast to south southwest 10 to 15 knots in the gulf stream. Seas around 2 feet. Period 3 seconds increasing to 9 seconds after midnight. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Thursday
South winds 5 to 10 knots along the coast to south 10 to 15 knots in the gulf stream. Seas less than 2 feet. Period 9 seconds. Intracoastal waters a light chop. A chance of showers and a slight chance of thunderstorms in the morning.
Thursday Night
South southwest winds 5 to 10 knots along the coast to south 10 to 15 knots in the gulf stream. Seas around 2 feet. Period 3 seconds. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Friday
South winds 5 to 10 knots along the coast to south 10 to 15 knots in the gulf stream. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Friday Night
South southwest winds 5 to 10 knots along the coast to south 5 to 10 knots in the gulf stream. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers and thunderstorms.
Saturday
South winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers and a slight chance of thunderstorms.
Saturday Night
Southwest winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers.
Sunday
South 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.
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ABOUT THIS FORECAST

Last Update: 1020 AM EDT Wed Jul 18 2018
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