weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

3 products issued by NWS for: San Juan PR

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service San Juan PR
427 AM AST Wed Jun 7 2023

AMZ711>745-PRZ001>013-080830-
San Juan and Vicinity-Northeast-Southeast-Eastern Interior-
North Central-Central Interior-Ponce and Vicinity-Northwest-
Western Interior-Mayaguez and Vicinity-Southwest-Culebra-Vieques-
The nearshore and off shore Atlantic and Caribbean Coastal Waters-
427 AM AST Wed Jun 7 2023

This Hazardous Weather Outlook is for portions of Puerto Rico.

.DAY ONE...Today and Tonight

.Excessive Heat...Heat index of 112-115 degrees across
north-central municipalities (heat exhaustion or heat stroke
likely with prolonged exposure). Heat index of 108-111 degrees
across the San Juan metro area and Culebra (heat stroke
possible). Heat index of 102-107 degrees across other coastal and
urban areas of Puerto Rico and Vieques (heat exhaustion possible
with prolonged exposure).

.Wind...Breezy conditions, especially for the coastal areas of the
west and south. Unsecured items could blow around.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

A limited to significant risk of heat is expected to persist
through days two through seven. Breezy conditions will persist
along coastal areas through the week. Saharan dust will continue
to promote haze for most of the workweek.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$



Excessive Heat Watch

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service San Juan PR
1107 AM AST Wed Jun 7 2023

PRZ001-072315-
/O.CON.TJSJ.HT.Y.0020.000000T0000Z-230607T2100Z/
/O.CON.TJSJ.EH.A.0005.230607T2100Z-230608T2100Z/
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
1107 AM AST Wed Jun 7 2023

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 PM AST THIS
AFTERNOON...
...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM 5 PM AST THIS
AFTERNOON THROUGH THURSDAY AFTERNOON...

* WHAT...Prolonged periods of dangerously hot temperatures and
  high humidity possible with heat indices ranging from 108 to
  111 degrees Fahrenheit.

* WHERE...From Toa Baja to Carolina across northern Puerto Rico.

* WHEN...For the heat advisory, from 10 AM this morning until 5
  PM AST this afternoon. For the excessive heat watch, from this
  afternoon through Thursday afternoon.

* IMPACTS...The combination of hot temperatures and high
  humidity will create dangerous situations in which heat
  related illnesses are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions, if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when possible
and drink plenty of water.

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.

&&

$$



Heat Advisory

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service San Juan PR
1107 AM AST Wed Jun 7 2023

PRZ001-072315-
/O.CON.TJSJ.HT.Y.0020.000000T0000Z-230607T2100Z/
/O.CON.TJSJ.EH.A.0005.230607T2100Z-230608T2100Z/
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
1107 AM AST Wed Jun 7 2023

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 PM AST THIS
AFTERNOON...
...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM 5 PM AST THIS
AFTERNOON THROUGH THURSDAY AFTERNOON...

* WHAT...Prolonged periods of dangerously hot temperatures and
  high humidity possible with heat indices ranging from 108 to
  111 degrees Fahrenheit.

* WHERE...From Toa Baja to Carolina across northern Puerto Rico.

* WHEN...For the heat advisory, from 10 AM this morning until 5
  PM AST this afternoon. For the excessive heat watch, from this
  afternoon through Thursday afternoon.

* IMPACTS...The combination of hot temperatures and high
  humidity will create dangerous situations in which heat
  related illnesses are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions, if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when possible
and drink plenty of water.

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.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE