Heat Advisory
Status
New Event ExpiredStart Time
Tue 09/16/2025 10:00 AM EDTEnd Time
Tue 09/16/2025 05:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
San Juan, PR ∙ Bahía Guayanilla, PR ∙ Toa Baja, PR ∙ Punta Maldonado, PR ∙ Isla Palominos, PR ∙ Cabo Rojo, PR ∙ Las Piedras, PR ∙ Isla de Culebra, PR ∙ Crown Mountain, VI ∙ Mayagüez, PRFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service San Juan PR 318 AM AST Tue Sep 16 2025 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 5 PM AST THIS AFTERNOON... * WHAT...This level of heat affect most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health system and in heat-sensitive industries. * WHERE...All urban and coastal areas, as well as the eastern interior, Vieques, Culebra in Puerto Rico, and all of the U.S. Virgin Islands. * WHEN...From 10 AM this morning to 5 PM AST this afternoon. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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.
Technical Header
PRZ001>005-007-008-010>013-VIZ001-002-161530- /O.NEW.TJSJ.HT.Y.0063.250916T1400Z-250916T2100Z/ San Juan and Vicinity-Northeast-Southeast-Eastern Interior-North Central-Ponce and Vicinity-Northwest-Mayaguez and Vicinity- Southwest-Culebra-Vieques-St.Thomas...St. John...and Adjacent Islands-St Croix- Including the cities of Culebra, Santa Isabel, Vega Alta, Mayaguez, Juana Diaz, Florida, Aguadilla, Penuelas, Juncos, Vega Baja, Toa Alta, Cruz Bay, Hatillo, San German, Ponce, Grove Place, Loiza, Salinas, Camuy, Isabela, Anna's Retreat, Yauco, Catano, Toa Baja, Fajardo, Vieques, Dorado, Quebradillas, Rincon, Charlotte Amalie, Ceiba, Arroyo, Comerio, Bayamon, Guayanilla, Charlotte Amalie East, Patillas, Charlotte Amalie West, Carolina, Canovanas, Frederiksted, Naguabo, Anasco, Guanica, Maunabo, Trujillo Alto, Guaynabo, Hormigueros, Yabucoa, San Lorenzo, Barceloneta, Las Piedras, Humacao, Luquillo, Manati, Cayey, Christiansted, Frederiksted Southeast, Guayama, San Juan, Cidra, Rio Grande, Aguas Buenas, Gurabo, Caguas, Moca, Cabo Rojo, Lajas, Aguada, and Arecibo 318 AM AST Tue Sep 16 2025
