Fire Weather Threats Continue in the West; Wintry Weather from Upper Midwest to New England

High pressure in the west continues to send weather systems into the Great Basin, and this is keeping fire weather threats elevated to critical across southern California. A series of weather systems will bring widespread snow from the Upper Midwest to the Northeast U.S., with locally heavier snow amounts on the lee side of the Great Lakes.
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Hazardous Weather Conditions

Last Update: 1013 AM AST Thu Dec 14 2017

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San Juan, PR Local Forecast Office

57NM SSW Mayaguez PR

Marine Zone Forecast


Rest Of Today
East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 10 seconds. Isolated showers.
Tonight
East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. North swell 4 to 5 feet.
Friday
East winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 10 seconds. North swell 4 to 5 feet.
Friday Night
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 10 seconds. North swell 4 to 5 feet. Isolated showers.
Saturday
Northeast winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 10 seconds. North swell around 4 feet. Isolated showers.
Sunday
Northeast winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 11 seconds. North swell 4 to 6 feet. Isolated showers.
Monday
Northeast winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 10 seconds. North swell 4 to 6 feet. Isolated showers.
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ABOUT THIS FORECAST

Last Update: 1013 AM AST Thu Dec 14 2017
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