564 

WWCA72 TJSJ 220655

NPWSJU



URGENT - WEATHER MESSAGE

National Weather Service San Juan PR

255 AM AST Sat Aug 22 2026



PRZ001>005-007-008-010>013-VIZ001-002-221700-

/O.NEW.TJSJ.HT.Y.0041.260822T1400Z-260822T2100Z/

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 Guanica, Christiansted, Hatillo, Juncos,

Manati, Penuelas, San Juan, Anna's Retreat, Aguadilla,

Frederiksted, Humacao, Quebradillas, Cidra, Isabela, Arecibo, Grove

Place, Gurabo, Ponce, Salinas, Ceiba, Juana Diaz, Loiza, San Lorenzo,

Caguas, Guayanilla, Toa Alta, Dorado, Canovanas, Moca, Toa Baja,

Naguabo, Florida, Arroyo, Comerio, Barceloneta, Vega Alta, Lajas,

Patillas, Charlotte Amalie, Frederiksted Southeast, Las Piedras,

Fajardo, Catano, Santa Isabel, San German, Guayama, Aguas Buenas,

Camuy, Hormigueros, Mayaguez, Trujillo Alto, Culebra, Charlotte

Amalie East, Bayamon, Rio Grande, Yabucoa, Vieques, Yauco, Rincon,

Cabo Rojo, Maunabo, Anasco, Guaynabo, Cruz Bay, Vega Baja, Aguada,

Luquillo, Charlotte Amalie West, Cayey, and Carolina

255 AM AST Sat Aug 22 2026



...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 5 PM AST THIS

AFTERNOON...



* WHAT...This level of heat affects most individuals sensitive to

  heat, especially those without effective cooling and/or adequate

  hydration. expected.



* WHERE...Portions of Puerto Rico and 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.



To reduce risk during outdoor work, the Occupational Safety and

Health Administration recommends scheduling frequent rest breaks in

shaded or air conditioned environments. Anyone overcome by heat

should be moved to a cool and shaded location. Heat stroke is an

emergency! Call 9 1 1.



&&



$$



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