Spot Forecast
Issued by NWS San Juan, PR

511
FNCA72 TJSJ 291541
FWSSJU

Spot Forecast for Hazard Mitigation Plan: Barceloneta...IBTS
National Weather Service San Juan PR
1141 AM AST Wed Jul 29 2026

Forecast is based on forecast start time of 1200 AST on July 29.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions or concerns
with this forecast at
PHONE: 787-253-4586.

.DISCUSSION...

Overall, warm and humid conditions will prevail across the area.
Winds will gradually increase today. Regardless, enough moisture
remains across the area combined with Saharan dust particles. Fire
danger remains possible due to current critically dry soils.

.REST OF TODAY...

Sky/weather.........Mostly sunny (45-55 percent). Haze through the
                    day. Scattered showers through the day.
                    Isolated thunderstorms late in the afternoon.
Chance of pcpn......30 percent.
Max temperature.....84-93.
Min humidity........64-82 percent.
Wind (20 ft)........East winds 12 to 21 mph. Gusty and erratic
                    winds expected near thunderstorms late in the
                    afternoon.
Mixing height.......2700 ft AGL.
Transport winds.....East 21 to 22 mph.
Smoke dispersal.....Fair (25700 knot-ft) early in the morning
                    increasing to excellent (69100 knot-ft) in the
                    afternoon.
Dispersion..........6.
Eye level winds.....East winds 8 to 14 mph.

TIME (AST)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........50  50  50  50  50  50
Weather cov.....SCT SCT SCT SCT SCT SCT
Weather type....RW  RW  RW  RW  RW  RW
Tstm cov........            ISO ISO ISO
Chc of pcpn (%).30  30  30  30  30  30
Temp............89  89  89  89  88  87
RH..............73  71  71  72  73  76
20 FT wind dir..E   E   E   E   E   E
20 FT wind spd..21  23  24  24  23  21
20 FT wind gust.28  30  32  32  31  29
Eye lvl wnd dir.E   E   E   E   E   E
Eye lvl wnd spd.13  14  14  14  14  13
Eye lvl wnd gst.17  18  19  19  19  17
Mix hgt (kft)...2.7 2.2 1.8 1.5 1.3 1.2
Transp wind dir.E   E   E   E   E   E
Transp wind spd.21  22  22  22  22  21
Dispersion......6   6   6   6   6   6
Vrate kt-ft/1K..69  69  64  64  64  64
Ventrate Cat....GD  GD  GD  GD  GD  GD

$$
Forecaster...M. Marrero
Requested by...CESAR GARCIA
Type of request...WILDFIRE
.TAG 2618587.0/SJU
.DELDT 07/29/26
.FormatterVersion 2.0.0
.EMAIL cgarcia@ibts.org