Dangerous Heat Building in the West; Severe Storms in the Upper Midwest

A long duration heat wave will build across the Southwest, California, and Pacific Northwest. Dangerous heat is also forecast for the Great Basin and South Plains. Severe storms in the Upper Midwest may have locally heavy rain, damaging winds, and very large hail. Heavy rain and flooding will also be possible in the Deep South and Appalachians.
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Coastal Waters Forecast for Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N (AMZ710) (Text-Only)
NWS Forecast for: Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N (AMZ710)
Issued by: National Weather Service San Juan, PR
Last Update: 839 PM AST Thu Aug 13 2020




Rest Of Tonight: East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 8 seconds. Scattered showers.

Friday: East winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Scattered showers through the day.

Friday 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.

Saturday: East winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 8 seconds. Isolated showers.

Saturday Night: East winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 10 seconds. Scattered showers and isolated thunderstorms.

Sunday: East winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 10 seconds. Scattered showers and isolated thunderstorms.

Monday: East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 10 seconds. Isolated showers.

Tuesday: East winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 8 seconds. North swell around 4 feet. Scattered showers.



Zone Forecast: Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N (AMZ710)

Visit your local NWS office at: https://www.weather.gov/sju