Monsoon Flooding Threats Continue; Storms Possible in the Mid-Atlantic

Monsoon moisture will primarily stretch from the northern Great Basin to the south and central Rockies. Flash flooding, and mud and debris flows, especially on burn scars will be possible. Strong to severe storms that could produce damaging winds and locally heavy rain will be possible in the Mid-Atlantic, Deep South, and Northeast. Fire weather threats persist for portions of the Northwest.
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Hazardous Weather Conditions

Last Update: 417 AM EDT Sun Aug 1 2021

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Key West, FL Local Forecast Office

7NM E Vaca Cut FL

Marine Zone Forecast


Synopsis: Weak high pressure over the area will maintain light to gentle southeasterly flow over the Florida Keys coastal waters for Today and Monday. From Tuesday through Thursday night, strengthening high pressure over the area could lead to occasional periods of moderate southeasterly flow.

The Approximate Shoreward Edge of the Gulf Stream as of July 31, 2021...

20 NM South of Dry Tortugas Light...on Loggerhead Key. 4 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 1 NM South of Sand Key Light...off Key West. 1 NM South of Looe Key...off Big Pine Key. Less than 1 NM South of Sombrero Key Light...off Marathon. 1 NM Southeast of Alligator Reef Light...off Islamorada. 2 NM Southeast of Molasses Reef Light...off Key Largo. 2 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Today
Southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Isolated showers and thunderstorms.
Tonight
Southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Isolated showers and thunderstorms.
Monday
Southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Isolated showers and thunderstorms.
Monday Night
Southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms.
Tuesday
Southeast to south winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms.
Tuesday Night
East to southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms.
Wednesday
Southeast winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms.
Wednesday Night
East to southeast winds near 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers and isolated thunderstorms.
Thursday
Southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms.
Thursday Night
East to southeast winds 5 to 10 knots. Seas around 1 foot. Nearshore waters smooth to a light chop. Scattered showers and isolated thunderstorms.
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ABOUT THIS FORECAST

Last Update: 417 AM EDT Sun Aug 1 2021
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