Summer Heat Continues For Several Spots, While Severe Storms With Torrential Rainfall Will Threaten The Northeast into Mid-Atlantic Region

More summer heat is expected for parts of the West, South and Northeast before focusing over the southern Plains later this week. Excessive Heat Warnings are in effect for parts of the West, while Heat Advisories blanket each region. A strong cold front will clash with a hot, very moist air mass for afternoon/evening severe storms w/ high winds and intense rainfall from the Northeast to Mid-Atl.
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Hazardous Weather Conditions

Last Update: 419 PM AST Tue Jul 17 2018

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San Juan, PR Local Forecast Office

8NM SSE Ponce 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 7 seconds. Isolated showers through the night.
Wednesday
East winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 7 seconds. Isolated showers.
Wednesday Night
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Scattered showers through the night. Isolated thunderstorms after midnight.
Thursday
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Scattered showers and isolated thunderstorms.
Thursday Night
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Isolated showers.
Friday
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Isolated showers.
Saturday
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 7 seconds. Isolated showers.
Sunday
East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 8 seconds. Isolated showers, then isolated thunderstorms.
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ABOUT THIS FORECAST

Last Update: 419 PM AST Tue Jul 17 2018
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