| NWS Forecast for: 4NM NW San Juan PR Atlantic Ocean Issued by: National Weather Service San Juan, PR Last Update: 9:24 pm EDT Jul 18, 2026 |  |
| Overnight: E wind 9 to 12 kt. Isolated showers. Seas around 3 ft. Sunday: E wind 11 to 17 kt, with gusts as high as 23 kt. Isolated showers. Seas 3 to 4 ft. Sunday Night: E wind around 11 kt. Scattered showers, mainly between 9pm and midnight. Seas 3 to 4 ft. Monday: ENE wind 9 to 16 kt, with gusts as high as 22 kt. Isolated showers. Widespread haze after noon. Seas around 3 ft. Monday Night: E wind 8 to 11 kt. Isolated showers. Seas around 3 ft. Tuesday: NE wind 6 to 12 kt. Isolated showers. Seas 2 to 3 ft. Tuesday Night: E wind 5 to 9 kt. Scattered showers. Seas around 2 ft. Wednesday: E wind 5 to 10 kt increasing to 11 to 16 kt in the afternoon. Winds could gust as high as 22 kt. Sunny. Seas around 2 ft. Wednesday Night: SE wind 6 to 9 kt. Partly cloudy. Seas around 2 ft. | |
| Marine Point Forecast: 18.46°N 66.13°W Associated Zone Forecast which includes this point | |
Visit your local NWS office at: https://www.weather.gov/sju |
