Snow Squalls from the Upper Midwest to Great Lakes; High Winds in the Northern and Central Plains

An Arctic front will bring widespread snow squalls through Friday from the Upper Midwest to the Ohio Valley. Heavy snow rates and strong winds will lead to near-zero visibility and dangerous travel conditions. High winds will continue across the northern and central High Plains through Friday, with wind gusts above 60 mph likely, leading to hazardous travel conditions. Read More >

Last Update: 431 AM AST Fri Jan 16 2026

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San Juan, PR Local Forecast Office

51NM N San Juan PR

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH MONDAY AFTERNOON...

Today
East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave detail: east 4 feet at 9 seconds and north 2 feet at 8 seconds. Isolated showers this morning.
Tonight
East winds 15 to 20 knots with gusts up to 25 knots. Seas around 5 feet. Wave detail: east 5 feet at 9 seconds and north 1 foot at 8 seconds.
Saturday
East winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 6 feet. Wave detail: east 6 feet at 6 seconds and east 6 feet at 9 seconds. Scattered showers in the morning.
Saturday Night
East winds around 20 knots with gusts up to 30 knots. Seas 7 to 8 feet. Wave detail: east 7 feet at 7 seconds and northwest 4 feet at 12 seconds. Scattered showers after midnight.
Sunday
East winds 15 to 20 knots with gusts up to 30 knots. Seas 7 to 8 feet. Wave detail: east 7 feet at 8 seconds and northwest 3 feet at 10 seconds. Scattered showers in the morning.
Sunday Night
East winds 15 to 20 knots with gusts up to 30 knots. Seas around 7 feet. Wave detail: east 7 feet at 9 seconds and northwest 2 feet at 10 seconds.
Monday
East winds around 15 knots. Seas 6 to 7 feet.
Monday Night
East winds 15 to 20 knots. Seas 6 to 8 feet. Scattered showers.
Tuesday
East winds 15 to 20 knots. Seas around 7 feet.
Tuesday Night
East winds 15 to 20 knots. Seas 6 to 7 feet. Scattered showers.



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431 AM AST Fri Jan 16 2026
 
 

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