Cool and Dry in the East; Turning Stormy in the Northwest

Much cooler temperatures behind a cold front will bring a feeling of fall to the East Coast today. In addition, an active fall storm pattern developing in the Pacific Northwest this week will bring areas of heavy rain and high elevation snow. Northern California will benefit from rainfall this week that will aid firefighters given the recent large wildfires.
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Last Update: 938 PM AST Tue Oct 17 2017

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San Juan, PR Local Forecast Office

42NM SW Mayaguez PR

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

Rest Of Tonight
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 10 seconds. Northeast swell 4 to 5 feet after midnight. Isolated showers through the night.
Wednesday
Southeast 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 6 feet. Isolated showers in the morning.
Wednesday Night
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 7 feet. Isolated thunderstorms.
Thursday
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 7 feet. Isolated showers.
Thursday Night
East 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 7 feet. Isolated showers.
Friday
East 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 7 feet. Isolated showers.
Saturday
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 8 seconds. North swell around 4 feet. Isolated showers.
Sunday
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. Isolated showers.
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ABOUT THIS FORECAST

Last Update: 938 PM AST Tue Oct 17 2017
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