Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Last Update: 351 PM AST Fri Jul 18 2025

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San Juan, PR Local Forecast Office

51NM N San Juan PR

Marine Zone Forecast


Tonight
East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave detail: east 4 feet at 7 seconds and northeast 1 foot at 9 seconds. Scattered showers.
Saturday
East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 7 seconds and northeast 1 foot at 10 seconds.
Saturday Night
East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 7 seconds and northeast 2 feet at 11 seconds. Scattered showers in the evening.
Sunday
East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 3 feet at 7 seconds and northeast 2 feet at 11 seconds. Scattered showers in the afternoon.
Sunday Night
East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 6 seconds and northeast 2 feet at 10 seconds. Scattered showers after midnight.
Monday
East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave detail: southeast 4 feet at 6 seconds and northeast 1 foot at 10 seconds.
Monday Night
East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 4 feet, occasionally to 5 feet.
Tuesday
East winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet.
Tuesday Night
East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet.
Wednesday
East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet.
Wednesday Night
East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet.



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351 PM AST Fri Jul 18 2025
 
 

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