Stormy Weather Along the East Coast; Extended Warm-up for the West

A strong low pressure system will bring heavy rain, gusty winds, and thunderstorms along the east coast. Isolated severe thunderstorms could produce damaging winds and a few tornadoes in the Southeast. Heavy rains may result in excessive runoff and flash flooding. Building high pressure out west will produce above normal temperatures, especially, in the Pacific Northwest.
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Hazardous Weather Conditions

Last Update: 437 PM AST Mon Apr 23 2018

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San Juan, PR Local Forecast Office

25NM SSW Vieques PR

Marine Zone Forecast

...Small Craft should exercise caution...

Tonight
East winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. North swell 4 to 5 feet. Scattered showers.
Tuesday
East winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. North swell around 4 feet. Isolated showers.
Tuesday Night
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. Northeast swell around 4 feet in the evening. Isolated showers.
Wednesday
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 10 seconds. Northeast swell around 4 feet. Isolated showers.
Wednesday Night
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. Northeast swell around 4 feet. Scattered showers.
Thursday
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. Northeast swell around 4 feet. Isolated showers.
Friday
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. Northeast swell 4 to 5 feet. Isolated showers.
Saturday
East winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 11 seconds. Northeast swell 4 to 5 feet. Isolated showers.
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ABOUT THIS FORECAST

Last Update: 437 PM AST Mon Apr 23 2018
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