Hazardous Weather Outlook
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
565 FLCA42 TJSJ 040720 HWOSJU Hazardous Weather Outlook National Weather Service San Juan PR 320 AM AST Sat Oct 4 2025 AMZ711>745-PRZ001>013-050730- 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- 320 AM AST Sat Oct 4 2025 This Hazardous Weather Outlook is for portions of Puerto Rico. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms. 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. 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. .Marine Conditions...Hazardous conditions for small craft in areas with seas of 7 feet or higher across the local passages, with dangerous conditions in areas with seas of 10 feet of higher across |the Atlantic waters. Small craft should exercise caution elsewhere across the local waters. .Rip Currents...Life-threatening rip currents will develop in the surf zone. These life- threatening conditions are likely across the north, west and east facing beaches, including Vieques and Culebra, with isolated stronger rip currents elsewhere, especially near piers, jetties and channels. .DAYS TWO THROUGH SEVEN...Sunday through Friday The heat risk will remain elevated through next week. Afternoon thunderstorms could lead to urban and small stream flooding each day along the Cordillera Central. A large, long period northerly swell will promote hazardous seas and life-threatening rip currents through early next 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. $$ AMZ716-726-VIZ001-002-050730- St. Thomas St. John adjacent Islands-St Croix- Nearshore Atlantic and adjacent Caribbean Coastal Waters- 320 AM AST Sat Oct 4 2025 This Hazardous Weather Outlook is for portions of USVI. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms. Stay alert and be prepared to take shelter if storms develop. .Excessive Heat...This level of heat affects primarily those individuals extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration. .Marine Conditions...Dangerous conditions in areas with seas of 10 feet of higher across the local waters. Small craft should exercise caution elsewhere across the local waters. .Rip Currents...Life-threatening rip currents will develop in the surf zone. These life- threatening conditions are likely across the local beaches, with isolated stronger rip currents elsewhere, especially near piers, jetties and channels. .DAYS TWO THROUGH SEVEN...Sunday through Friday The heat risk will remain elevated through next week. A large, long period northerly swell will promote hazardous seas and life- threatening rip currents from late tonight through early next week. .SPOTTER INFORMATION STATEMENT... Spotter activation is encouraged. Please relay any information about flooding, winds, waves, and rip currents to the National Weather Service in San Juan. $$