Deep Cold Trough Meets Gulf Moisture with Significant Impacts Across the Western and Central U.S.

A deep trough and associated cold front is bringing much below normal temperatures in the west, with low elevation snows. Strong winds and widespread snow, will impact the Great Basin, western mountains, and the Plains. The slowing front, will bring prolonged waves of heavy rain across the Mississippi Valley to the Great Lakes. Significant icing forecast north of the heavy rain. Big warm up east.
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Last Update: 1100 AM AST Mon Feb 19 2018

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San Juan, PR Local Forecast Office

Vieques PR

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY Afternoon...
Rest Of Today
East winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant period 7 seconds. North swell around 4 feet. Isolated showers.
Tonight
Northeast winds 20 to 25 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant period 7 seconds. North swell around 4 feet. Isolated showers.
Tuesday
Northeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant period 7 seconds. Northeast swell around 4 feet. Scattered showers.
Tuesday Night
Northeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant period 7 seconds. North swell around 4 feet. Scattered showers.
Wednesday
Northeast winds 20 to 25 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant period 10 seconds. Northeast swell 4 to 9 feet. Scattered showers.
Thursday
East winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet. Dominant period 11 seconds. Northeast swell 4 to 8 feet. Scattered showers.
Friday
East winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 11 seconds. Northeast swell 4 to 8 feet. Scattered showers.
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ABOUT THIS FORECAST

Last Update: 1100 AM AST Mon Feb 19 2018
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