Active Weather Pattern in the West and into the Central U.S.

A series of weather systems will bring locally heavy rain, 1 to 3 feet of mountain snow, and strong winds up to 75 mph across the western states. Later this weekend and early next week, a strong low pressure system will spread wintry conditions and strong winds from the Plains into the Upper Midwest. Strengthening winds in the Southern Plains will increase fire weather threats. Warmer in the east.
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Coastal Waters Forecast for Mona Passage Southward to 17N (AMZ741) (Text-Only)
NWS Forecast for: Mona Passage Southward to 17N (AMZ741)
Issued by: National Weather Service San Juan, PR
Last Update: 1000 AM AST Fri Jan 19 2018
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Rest Of Today: East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 8 seconds. Isolated showers.

Tonight: East winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 8 seconds. Isolated showers.

Saturday: 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 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.

Sunday: 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 5 feet. Isolated showers.

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 4 to 6 feet with occasional seas up to 8 feet. Dominant period 8 seconds. Northeast swell around 4 feet. Scattered showers.



Zone Forecast: Mona Passage Southward to 17N (AMZ741)

Visit your local NWS office at: http://www.weather.gov/sanjuan