Threat For Heavy Rainfall And Flooding Over The Texas Gulf Coast And Midwest; Excessive Heat Across The Desert Southwest

A slow moving disturbance will bring the continued threat for heavy rainfall and flooding along the Texas Gulf Coast through Wednesday. Flash Flood Watches remain in effect. Additional heavy rainfall will be possible from the Midwest to the Ohio Valley along a stalled frontal boundary. Very hot temperatures exceeding 110 degrees are likely over southern California, Nevada, and Arizona.
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Last Update: 431 PM EDT Tue Jun 19 2018

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Miami - South Florida Local Forecast Office

11NM W Marco Island FL

Marine Zone Forecast


Synopsis: High pressure across central and northern Florida will gradually weaken into Thursday. Light winds will prevail across the Atlantic and Gulf waters through Wednesday. Winds will increase slightly to near 10 knots and be mainly from the southwest Thursday through Friday. Seas will remain near 2 feet or less through the upcoming weekend. Showers and thunderstorms will become more numerous over the Atlantic waters Thursday into Saturday, especially during the late afternoon and evening each day.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream as of Jun 19, 2018 at 1200 UTC...

5 nautical miles east northeast of Fowey Rocks. 9 nautical miles east of Port Everglades. 12 nautical miles east southeast of Lake Worth. 14 nautical miles east of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Tonight
Nearshore, south southwest winds 5 knots becoming southeast after midnight. Offshore, west northwest winds 5 to 10 knots becoming east northeast after midnight. Seas less than 2 feet. Period 2 seconds. Bay and inland waters smooth. A chance of showers and thunderstorms.
Wednesday
Southwest winds 5 to 10 knots. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. A chance of showers and thunderstorms in the morning...then a slight chance of showers and thunderstorms in the afternoon.
Wednesday Night
Southwest winds 5 to 10 knots. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. A slight chance of showers and thunderstorms.
Thursday
West southwest winds 5 to 10 knots. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. A slight chance of showers and thunderstorms.
Thursday Night
Winds west southwest winds 5 to 10 knots. Seas less than 2 feet. Bay and inland waters a light chop.
Friday
West southwest winds 5 to 10 knots. Seas less than 2 feet. Bay and inland waters a light chop. A slight chance of showers and thunderstorms.
Friday Night
West winds 5 knots becoming south southwest in the morning. Seas less than 2 feet. Bay and inland waters smooth. A slight chance of showers and thunderstorms.
Saturday
Nearshore, variable winds 5 knots or less becoming south southeast around 5 knots in the morning...then becoming west southwest in the afternoon. Offshore, variable winds 5 knots or less becoming southwest around 5 knots in the afternoon. Seas less than 2 feet. Bay and inland waters smooth. A chance of showers and thunderstorms.
Saturday Night
West northwest winds 5 to 10 knots becoming north late in the evening...then becoming east 5 knots after midnight. Seas less than 2 feet. Bay and inland waters a light chop. A chance of showers and thunderstorms.
Sunday
Nearshore, east northeast winds 5 knots becoming southeast around 5 knots in the morning...then becoming southwest in the afternoon becoming south southeast in the evening. Offshore, east southeast winds around 5 knots in the morning becoming variable winds less than 5 knots...then becoming northwest around 5 knots in the evening. Seas less than 2 feet. Bay and inland waters smooth. Showers likely and a chance of thunderstorms.
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ABOUT THIS FORECAST

Last Update: 431 PM EDT Tue Jun 19 2018
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