


Hazardous Weather Outlook
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
790 FLCA42 TJSJ 190822 HWOSJU Hazardous Weather Outlook National Weather Service San Juan PR 422 AM AST Sat Apr 19 2025 AMZ711>745-PRZ001>013-201000- 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- 422 AM AST Sat Apr 19 2025 This Hazardous Weather Outlook is for portions of Puerto Rico. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms throughout the day. Stay alert and be prepared to take shelter if storms develop. .Excessive Rainfall...Flooding in urban areas, roads, small streams, and washes, particularly in areas that experience persistent or repeated rounds of heavy rain. There is a low chance of isolated flash floods. Elsewhere, plan for water ponding on roads and in poorly drained areas. .Marine Conditions...Hazardous conditions for small craft in areas with seas of 7 feet or higher, particularly across the offshore Atlantic waters tonight. Small craft should exercise caution elsewhere across the local waters. .Rip Currents...Life-threatening rip currents are possible in the surf zone, particularly across northern Puerto Rico. Isolated stronger rip currents may occur elsewhere, especially near piers, jetties, and channels. .DAYS TWO THROUGH SEVEN...Sunday through Friday The flood and lightning threat will persist over the next few days but become more localized, driven by afternoon sea breeze and diurnal convergence. Fresh winds and a weak northerly swell will continue to produce hazardous marine conditions. The risk of life- threatening rip currents will become high on Sunday, and continue 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. $$ AMZ716-726-VIZ001-002-201000- St. Thomas St. John adjacent Islands-St Croix- Nearshore Atlantic and adjacent Caribbean Coastal Waters- 422 AM AST Sat Apr 19 2025 This Hazardous Weather Outlook is for portions of USVI. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms throughout the day. Stay alert and be prepared to take shelter if storms develop. .Excessive Rainfall...Ponding of water in roads and poorly drained areas. There is a low chance of localized urban and small streams flooding. .Marine Conditions...Hazardous conditions for small craft in areas with seas of 7 feet or higher, particularly across the offshore Atlantic waters tonight. Small craft should exercise caution elsewhere across the local waters. .DAYS TWO THROUGH SEVEN..Sunday through Friday The flood and lightning threat will persist over the next few days but become more localized, driven by afternoon sea breeze and diurnal convergence. Fresh winds and a weak northerly swell will continue to produce hazardous marine conditions. The risk of life- threatening rip currents will become moderate on Sunday, and continue through early next week. .SPOTTER INFORMATION STATEMENT... Spotter activation is encouraged. Please relay any information about flooding, winds, waves, and rip currents to the National Weather Service in San Juan. $$