


Watches, Warnings & Advisories
One product found for Marine Zone: AMZ712
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service San Juan PR 425 AM AST Wed Sep 3 2025 AMZ711>745-PRZ001>013-040830- San Juan and Vicinity-Northeast-Southeast-Eastern Interior- North Central-Central Interior-Ponce and Vicinity-Northwest- Western Interior-Mayaguez and Vicinity-Southwest-Culebra-Vieques- The nearshore and off shore Atlantic and Caribbean Coastal Waters- 425 AM AST Wed Sep 3 2025 This Hazardous Weather Outlook is for portions of Puerto Rico. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms, particularly across the eastern interior and northwestern sections of Puerto Rico. Stay alert and be prepared to take shelter if storms develop. .Excessive Rainfall...Flooding in urban areas, roads, small streams, and washes, particularly across northwestern Puerto Rico. There is a low chance of isolated flash floods. Elsewhere, plan for water ponding on roads and in poorly drained areas. .Excessive Heat...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Those extremely sensitive to heat face the highest risk. Some health systems and heat-sensitive industries could be affected. These conditions are most likely across all low, urban and coastal areas of Puerto Rico. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday The excessive heat threat will continue through the weekend across most coastal and urban areas of the lower elevations of the islands. Thunderstorms are expected each afternoon over portions of the interior and western Puerto Rico, which may lead to urban and small stream flooding, lightning strikes, and strong gusty winds. A tropical wave is expected to move across the local area between Friday and Saturday, increasing shower and thunderstorm activity in general. A moderate risk of rip currents will return during the first part of the week. .SPOTTER INFORMATION STATEMENT... Spotter activation is encouraged. Please relay any information about flooding, winds, waves, and rip currents to the National Weather Service in San Juan. $$