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Heat Advisory

Status

Event Continued Expired

Start Time

Fri 07/18/2025 10:00 AM EDT

End Time

Fri 07/18/2025 05:00 PM EDT

Significance

Advisory

Impacts

Low impact

Locations Affected

San Juan, PR ∙ Guánica, PR ∙ Punta Petrona, PR ∙ Lago Patillas, PR ∙ Residencial Puerto Real, PR ∙ Isla de Mona, PR ∙ Carolina, PR ∙ Punta Guanajibo, PR ∙ Arecibo, PR ∙ Comerío, PR

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service San Juan PR 320 AM AST Fri Jul 18 2025 ...HEAT ADVISORY REMAINS 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...Mayaguez and Vicinity, North Central, Northeast, Northwest, Ponce and Vicinity, San Juan and Vicinity, Southeast, and Southwest Counties. * 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.

Technical Header

PRZ001>003-005-007-008-010-011-181530- /O.CON.TJSJ.HT.Y.0017.250718T1400Z-250718T2100Z/ San Juan and Vicinity-Northeast-Southeast-North Central-Ponce and Vicinity-Northwest-Mayaguez and Vicinity-Southwest- Including the cities of Mayaguez, Vega Baja, Lajas, Penuelas, Guanica, Santa Isabel, Anasco, Canovanas, Trujillo Alto, Patillas, Aguadilla, Juana Diaz, Vega Alta, Ponce, Luquillo, Naguabo, Dorado, Hormigueros, Salinas, Toa Baja, Barceloneta, Rincon, Cabo Rojo, Maunabo, San German, Rio Grande, Aguada, Loiza, Carolina, Fajardo, Isabela, Guayama, Catano, San Juan, Ceiba, Hatillo, Quebradillas, Moca, Arroyo, Guaynabo, Bayamon, Yabucoa, Humacao, Florida, Guayanilla, Camuy, Manati, Arecibo, Toa Alta, and Yauco 320 AM AST Fri Jul 18 2025