Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Last Update: 1020 PM AST Tue Jan 27 2026

View Nearby Observations

For More Weather Information:

San Juan, PR Local Forecast Office

51NM N San Juan PR

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM AST THIS EVENING... ...SMALL CRAFT OPERATORS SHOULD EXERCISE CAUTION AFTER 6 PM AST...

Tonight
East winds 10 to 15 knots with gusts up to 20 knots. Seas 5 to 7 feet. Wave detail: east 5 feet at 9 seconds and north 3 feet at 9 seconds. Isolated showers early this evening.
Wednesday
East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave detail: east 5 feet at 9 seconds.
Wednesday Night
East winds around 10 knots. Seas 4 to 5 feet. Wave detail: east 4 feet at 9 seconds and northwest 2 feet at 11 seconds.
Thursday
Southeast winds 5 to 10 knots. Seas 4 to 6 feet. Wave detail: east 4 feet at 9 seconds and northwest 4 feet at 10 seconds.
Thursday Night
East winds 5 to 10 knots. Seas 5 to 6 feet. Wave detail: east 4 feet at 10 seconds and north 4 feet at 11 seconds.
Friday
East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet. Wave detail: north 4 feet at 10 seconds and east 3 feet at 10 seconds.
Friday Night
East winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet.
Saturday
Southeast winds 10 to 15 knots. Seas 4 to 5 feet, building to 6 to 7 feet in the afternoon.
Saturday Night
South winds 10 to 15 knots. Seas 6 to 7 feet.
Sunday
South winds 10 to 15 knots. Seas 5 to 6 feet. Scattered showers.
Sunday Night
Southwest winds 5 to 10 knots, becoming northeast after midnight. Seas 4 to 5 feet. Scattered showers.



Basemap Options
Click map to change the forecast location
Loading map...
1020 PM AST Tue Jan 27 2026
 
 

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data