One More Day of Heat with Severe Storms and Heavy Rain

One more day of early-season heat will grip the Northeastern U.S. today from New England to the Mid-Atlantic. A few more record highs are possible and heat advisories remain in effect from Boston to Philadelphia. Also, a cold front arriving into the East may produce strong to severe storms and heavy rain, which may result in flash flooding, from New England to the Southeast and Gulf Coast.
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Hazardous Weather Conditions

Last Update: 1030 AM EDT Sun May 22 2022

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Key West, FL Local Forecast Office

3NM SE Key Largo FL

Marine Zone Forecast


...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS...
Synopsis: High pressure centered just to the southwest of Bermuda will maintain fresh east to southeast breezes across the coastal waters of the Florida Keys through at least mid week. Breezes will diminish somewhat Thursday and Thursday night as the high recedes to the northeast into the western North Atlantic. Unsettled, rainy season weather may return Wednesday through Thursday night.

The Approximate Shoreward Edge of the Gulf Stream as of May 21...

62 NM South of Dry Tortugas Light...on Loggerhead Key. 24 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 17 NM South of Sand Key Light...off Key West. 16 NM South of Looe Key...off Big Pine Key. 15 NM South of Sombrero Key Light...off Marathon. 5 NM Southeast of Alligator Reef Light...off Islamorada. 4 NM Southeast of Molasses Reef Light...off Key Largo. 6 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

This Afternoon
East to southeast winds near 15 knots, increasing to 15 to 20 knots late. Seas 2 to 4 feet. Nearshore waters a moderate chop, becoming choppy. Isolated showers.
Tonight And Monday
East winds 15 to 20 knots. Seas 2 to 4 feet. Nearshore waters choppy. Isolated showers and thunderstorms.
Monday Night And Tuesday
East to southeast winds 15 to 20 knots. Seas 2 to 4 feet. Nearshore waters choppy. Scattered showers and isolated thunderstorms.
Tuesday Night And Wednesday
East to southeast winds 15 to 20 knots. Seas 2 to 4 feet. Nearshore waters choppy. Scattered showers and isolated thunderstorms.
Wednesday Night
East to southeast winds 15 to 20 knots. Seas 3 to 5 feet. Nearshore waters choppy. Scattered showers and isolated thunderstorms.
Thursday
East to southeast winds near 15 knots. Seas subsiding to 2 to 3 feet. Nearshore waters a moderate chop. Scattered showers and isolated thunderstorms.
Thursday Night
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters a light to moderate chop. Scattered showers and isolated thunderstorms.
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ABOUT THIS FORECAST

Last Update: 1030 AM EDT Sun May 22 2022
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