Headline:
Heat Advisory issued August 17 at 1:14AM AST until August 17 at 5:00PM AST by NWS San Juan PR
Event:
Heat Advisory
Urgency:
Expected
Effective:
August 16, 2026 - 10:14pm
Expires:
August 17, 2026 - 2:00pm
Description:
* 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.
Instruction:
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.
Area Description:
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
Forcast Office:
NWS San Juan PR
Sender:
w-nws.webmaster@noaa.gov