


Hazardous Weather Outlook
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
505 FLCA42 TJSJ 050718 HWOSJU Hazardous Weather Outlook National Weather Service San Juan PR 318 AM AST Sun Oct 5 2025 AMZ711>745-PRZ001>013-060730- 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- 318 AM AST Sun Oct 5 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, particularly across the interior and west and portions of the San Juan metro area. 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, with isolated stronger rip currents elsewhere, especially near piers, jetties and channels. .DAYS TWO THROUGH SEVEN...Monday through Saturday Hazardous marine and coastal conditions will persist through Monday. These conditions could return on Friday and Saturday, depending if a new tropical cyclone develops and move to the northeast of the Caribbean. Afternoon showers and thunderstorms will maintain an elevated risk of flooding and limited risk of lightning each afternoon across the west and interior, and occasionally across the San Juan metro area. Hot conditions will persist through much of the workweek, with moderate to a a high risk anticipated. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. $$ AMZ716-726-VIZ001-002-060730- St. Thomas St. John adjacent Islands-St Croix- Nearshore Atlantic and adjacent Caribbean Coastal Waters- 318 AM AST Sun Oct 5 2025 This Hazardous Weather Outlook is for portions of USVI. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms. Stay alert and be prepared to take shelter if storms develop. .Excessive Heat...This level of heat affects primarily those individuals extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration. .Marine Conditions...Hazardous conditions for small craft in areas with seas of 7 feet or higher across the waters around Vieques and southern St. Thomas and St. John, with dangerous conditions in areas with seas of 10 feet of higher across the beaches near Culebra and northern St. Thomas and St. John. Small craft should exercise caution elsewhere across the local waters. .Rip Currents...Life-threatening rip currents will develop in the surf zone. These life- threatening conditions are likely across most of the local beaches, with isolated stronger rip currents elsewhere, especially near piers, jetties and channels. .DAYS TWO THROUGH SEVEN...Monday through Saturday Hazardous marine and coastal conditions will persist through Monday. These conditions could return on Friday and Saturday, depending if a new tropical cyclone develops and move to the northeast of the Caribbean. Passing showers may result in ponding of water on roadways, but no significant flooding risk is expected. Hot conditions will persist through much of the workweek, with moderate to a high risk anticipated. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. $$