Non-Precipitation Warnings / Watches / Advisories
Issued by NWS San Juan, PR

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922
WWCA72 TJSJ 171358
NPWSJU

URGENT - WEATHER MESSAGE
National Weather Service San Juan PR
958 AM AST Mon Aug 17 2026

PRZ001>005-007-008-010>013-VIZ001-002-172100-
/O.CON.TJSJ.HT.Y.0037.260817T1400Z-260817T2100Z/
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 Moca, Charlotte Amalie West, Arroyo, Cruz
Bay, Guayama, Toa Baja, Caguas, Mayaguez, Hatillo, Aguas Buenas,
Bayamon, Cayey, Aguadilla, Culebra, Cidra, Barceloneta, Vega Baja,
Maunabo, San German, San Juan, San Lorenzo, Cabo Rojo, Comerio,
Quebradillas, Luquillo, Naguabo, Rio Grande, Vieques,
Aguada, Frederiksted, Grove Place, Vega Alta, Yauco, Anna`s
Retreat, Loiza, Christiansted, Yabucoa, Guaynabo, Manati, Carolina,
Fajardo, Humacao, Lajas, Guayanilla, Catano, Toa Alta, Patillas,
Charlotte Amalie East, Trujillo Alto, Anasco, Penuelas, Ceiba,
Salinas, Camuy, Frederiksted Southeast, Hormigueros, Ponce, Isabela,
Guanica, Gurabo, Arecibo, Dorado, Florida, Santa Isabel, Rincon,
Canovanas, Juana Diaz, Juncos, Charlotte Amalie, and Las Piedras
958 AM AST Mon Aug 17 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 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, Vieques, Culebra, and the U.S.
  Virgin Islands.

* WHEN...Until 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.

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.

&&

$$

CVB