Hazardous Weather Outlook
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
314 FLCA42 TJSJ 110839 HWOSJU Hazardous Weather Outlook National Weather Service San Juan PR 439 AM AST Sat Oct 11 2025 AMZ711>745-PRZ001>013-120845- 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- 439 AM AST Sat Oct 11 2025 This Hazardous Weather Outlook is for portions of Puerto Rico. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms expected across all the islands. Stay alert and be prepared to take shelter if storms develop. .Excessive Rainfall...Flooding in urban areas, roads, small streams, and washes, particularly across the southern and eastern half of PR. 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 primarily those individuals extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration. These conditions are most likely across the coastal municipalities. .Marine Conditions...Hazardous conditions for small craft in areas with seas of 7 feet or higher, particularly across the offshore Atlantic waters and the Anegada Passage. Small craft should exercise caution elsewhere across the local waters. .Rip Currents...Life-threatening rip currents are possible in the surf zone, particularly across the north and east facing beaches of the islands. Isolated stronger rip currents may occur elsewhere, especially near piers, jetties, and channels. .DAYS TWO THROUGH SEVEN...Sunday through Friday A moderate risk of rip currents will continue for the northern beaches through the forecast period. Afternoon thunderstorms and an elevated flood threat is expected each day over western PR. An elevated heat threat will persist along the north-central to western coastal municipalities through the week. .SPOTTER INFORMATION STATEMENT... Spotter activation is encouraged. Please relay any information about flooding, waves, and rip currents to the National Weather Service in San Juan. $$ AMZ716-726-VIZ001-002-120845- St. Thomas St. John adjacent Islands-St Croix- Nearshore Atlantic and adjacent Caribbean Coastal Waters- 439 AM AST Sat Oct 11 2025 This Hazardous Weather Outlook is for portions of USVI. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms expected across all the islands. Stay alert and be prepared to take shelter if storms develop. .Excessive Rainfall...Flooding in urban areas, roads, small streams, and washes. There is a low chance of isolated flash floods. .Excessive Heat...This level of heat affects primarily those individuals extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration. These conditions are most likely across the lower-elevations of the islands. .Marine Conditions...Hazardous conditions for small craft in areas with seas of 7 feet or higher, particularly across the offshore Atlantic waters and the Anegada Passage. Small craft should exercise caution elsewhere across the local waters. .Rip Currents...Life-threatening rip currents are possible in the surf zone, particularly across the north and east facing beaches of the islands. Isolated stronger rip currents may occur elsewhere, especially near piers, jetties, and channels. .DAYS TWO THROUGH SEVEN...Sunday through Friday A limited heat threat will persist across the islands through the week. The rip current threat will increase once again late in the workweek. .SPOTTER INFORMATION STATEMENT... Spotter activation is encouraged. Please relay any information about flooding, waves, and rip currents to the National Weather Service in San Juan. $$