1 advisory is in effect for San Sebastián Municipio, PR. The most serious is a heat advisory.
Since 2016 the National Weather Service has issued about 670 alerts that included San Sebastián Municipio, roughly 67 a year. The most common is the flood advisory (626 from 2016 to 2025). No tornado warnings were recorded here in that period.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
San Juan and Vicinity; Northeast; Southeast; Eastern Interior; North Central; Central Interior; Ponce and Vicinity; Northwest; Western Interior; Mayaguez and Vicinity; Southwest; Culebra; Vieques; St.Thomas...St. John.. and Adjacent Isla…Until · NWS San Juan PR
HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 PM AST THIS AFTERNOON
Full alert text
* WHAT...This level of heat affects most individuals sensitive to
heat, especially those without effective cooling and/or adequate
hydration.
* WHERE...Puerto Rico and Virgin Islands.
* WHEN...Until 5 PM AST this afternoon.
* IMPACTS...High temperatures or elevated heat indices can worsen
symptoms in people with chronic conditions. They can also increase
the risk of heat-related illness among individuals sensitive to
heat with inadequate cooling or hydration. These risks are highest
across coastal areas, lowlands, interior valleys, and urban zones.
What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Map data: NWS, OpenFreeMap, OpenStreetMap
Recent alerts in San Sebastián Municipio
Issued
Alert
Area
Nov 14, 8:51 AM EST
Heat Advisory
San Juan and Vicinity; Northeast; Southeast; Eastern Interior; North Central; Central Interior; Ponce and Vicinity; Northwest; Western Inter
San Sebastián Municipio alert history
Alert events that included San Sebastián Municipio or its forecast zones, from the NWS warning archive.