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 >
| NWS Forecast for: Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N (AMZ711) Issued by: National Weather Service San Juan, PR Last Update: 1020 PM AST Tue Jan 27 2026 | |
| 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. | |
| Zone Forecast: Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N (AMZ711) | |
Visit your local NWS office at: https://www.weather.gov/sju |