Severe thunderstorms possible over the Mid Atlantic and Northeast U.S.

Severe thunderstorms may develop Monday afternoon and evening over portions of the Mid Atlantic and Northeast U.S. A few of the storms could contain damaging winds, large hail, and heavy rainfall. The severe weather threat will shift to the upper Midwest and Great Lakes by Tuesday and Wednesday of this week.
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Hazardous Weather Conditions

Last Update: 342 AM EDT Mon Jul 24 2017

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Jacksonville, FL Local Forecast Office

8NM NE Mayport FL

Marine Zone Forecast


...Small craft exercise caution...
Synopsis: High pressure will be Southeast of area waters this week. A trough of low pressure is expected to move Southeast over the region toward mid week and dissipate. Another trough is expected to move Southeast toward the region this weekend.

Today
South winds 15 to 20 knots. Seas 2 to 4 feet. Dominant period 9 seconds. Inland waters a moderate chop. A chance of showers and thunderstorms.
Tonight
Southwest winds 15 to 20 knots. Seas 2 to 4 feet. Dominant period 9 seconds. Inland waters a moderate chop. A slight chance of thunderstorms in the evening. A slight chance of showers through the night.
Tuesday
Southwest winds 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Dominant period 8 seconds. Inland waters a light chop. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon.
Tuesday Night
Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 6 seconds. Inland waters a light chop. A slight chance of thunderstorms in the evening. A chance of showers through the night.
Wednesday
South southwest winds 5 to 10 knots becoming south southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Inland waters a light chop. Showers likely and a chance of thunderstorms.
Wednesday Night
South southwest winds 10 to 15 knots. Seas 2 to 3 feet. Inland waters a light chop. A chance of showers and a slight chance of thunderstorms.
Thursday
South winds 10 to 15 knots. Seas 1 to 2 feet. Inland waters a light chop. A chance of showers and thunderstorms.
Thursday Night And Friday
South southwest winds 10 to 15 knots. Seas 1 to 2 feet. Inland waters a moderate chop. A chance of showers and thunderstorms.
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ABOUT THIS FORECAST

Last Update: 342 AM EDT Mon Jul 24 2017
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