


Hazardous Weather Outlook
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
878 FLCA42 TJSJ 110909 HWOSJU Hazardous Weather Outlook National Weather Service San Juan PR 509 AM AST Sun May 11 2025 AMZ711>745-PRZ001>013-120915- 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- 509 AM AST Sun May 11 2025 This Hazardous Weather Outlook is for portions of Puerto Rico. .DAY ONE...Today and Tonight .Lightning...Isolated thunderstorms over 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 western 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. .Wind...Breezy conditions (18-22 kts | 21-25 mph). Unsecured items could blow around. .Marine Conditions...Small craft should exercise caution, particularly across Caribbean and Atlantic waters. .Rip Currents...Life-threatening rip currents are possible in the surf zone, particularly across northern, eastern, southeastern PR, Vieques, and Culebra. Isolated stronger rip currents may occur elsewhere, especially near piers, jetties, and channels. .DAYS TWO THROUGH SEVEN...Monday through Saturday A limited flooding threat is expected for Monday. Weather conditions should improve from Monday onward. Limited heat threat is forecast for all the coastal areas during the period, especially in the early afternoon hours due to the east- southeasterly wind flow. The moderate risk of rip current will persist through Friday. .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. $$ AMZ716-726-VIZ001-002-120915- St. Thomas St. John adjacent Islands-St Croix- Nearshore Atlantic and adjacent Caribbean Coastal Waters- 509 AM AST Sun May 11 2025 This Hazardous Weather Outlook is for portions of USVI. .DAY ONE...Today and Tonight .Excessive Rainfall...Ponding of water in roads and poorly drained areas, particularly across US Virgin Island. There is a low chance of localized urban and small streams flooding. .Excessive Heat...This level of heat affects primarily those individuals extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration. These conditions are most likely across all US Virgin Island. .Wind...Breezy conditions (18-22 kts | 21-25 mph). Unsecured items could blow around. .Marine Conditions...Small craft should exercise caution, particularly across Caribbean and Atlantic waters. .Rip Currents...Life-threatening rip currents are possible in the surf zone, particularly across USVI. Isolated stronger rip currents may occur elsewhere, especially near piers, jetties, and channels. .DAYS TWO THROUGH SEVEN...Monday through Saturday A limited flooding threat is expected for Monday. Weather conditions should improve from Monday onward. Limited heat threat is forecast for all the coastal areas during the period, especially in the early afternoon hours due to the east- southeasterly wind flow. The moderate risk of rip current will persist through Friday. .SPOTTER INFORMATION STATEMENT... Spotter activation is encouraged. Please relay any information about flooding, winds, waves, and rip currents to the National Weather Service in San Juan. $$