Spot Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
845
FNCA72 TJSJ 141725
FWSSJU
Spot Forecast for Wildfire Guanica...OMME Guanica
National Weather Service San Juan PR
125 PM AST Fri Aug 14 2026
Forecast is based on forecast start time of 1400 AST on August 14.
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.
...HEAT ADVISORY IN EFFECT UNTIL 6 PM GMT THIS EVENING...
.DISCUSSION...
.REST OF TODAY...
Sky/weather.........Sunny (15-25 percent). Haze.
Max temperature.....Around 93.
Wind (20 ft)........East winds 18 to 20 mph with gusts to around 32
mph.
Transport winds.....East 25 to 26 mph.
Smoke dispersal.....Excellent (64000 knot-ft).
Dispersion..........6.
Min humidity........47 percent.
Eye level winds.....East winds around 11 mph with gusts to around
19 mph.
TIME (AST) 10A 11A 12P 1PM
Sky (%).........20 20 20 20
Weather cov.....DEF DEF DEF DEF
Weather type....HAZ HAZ HAZ HAZ
Tstm cov........
Temp............93 93 91 88
RH..............47 47 50 55
20 FT wind dir..E E E E
20 FT wind spd..18 18 18 18
20 FT wind gust.31 32 32 31
Eye lvl wnd dir.E E E E
Eye lvl wnd spd.11 11 11 11
Eye lvl wnd gst.19 19 19 19
Transp wind dir.E E E E
Transp wind spd.26 26 26 25
Dispersion......6 6 6 6
Vrate kt-ft/1K..64 64 64 64
Ventrate Cat....GD GD GD GD
.TONIGHT...
Sky/weather.........Mostly clear (15-25 percent). Haze.
Min temperature.....Around 75.
Wind (20 ft)........East winds 6 to 15 mph.
Transport winds.....East 14 to 21 mph becoming northeast 6 to 9 mph
early in the evening.
Smoke dispersal.....Excellent (64000 knot-ft) early in the evening
decreasing to poor (800 knot-ft) late in the
night.
Dispersion..........5.
Max humidity........84 percent.
Eye level winds.....East winds up to 9 mph.
TIME (AST) 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM
Sky (%).........20 20 20 20 20 20 20 20 20 20 20 20
Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
Weather type....HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ
Tstm cov........
Temp............85 83 81 80 79 79 78 77 76 75 75 77
RH..............61 65 69 72 74 74 76 79 82 84 84 79
20 FT wind dir..E E E E E E E E E E E E
20 FT wind spd..15 12 8 8 8 8 7 7 6 6 6 7
20 FT wind gust.25 13 9 9 9 9 8 8 7 7 7 8
Eye lvl wnd dir.E E E E E E E E E E E E
Eye lvl wnd spd.9 7 5 5 5 5 4 4 4 4 4 4
Eye lvl wnd gst.15 8 5 5 5
Transp wind dir.E E E E E NE NE NE NE NE NE NE
Transp wind spd.21 14 9 8 8 9 8 7 6 6 6 7
Dispersion......6 6 4 4 4 4 4 4 4 4 4 4
Vrate kt-ft/1K..64 64 1 1 1 1 1 1 3 3 3 3
Ventrate Cat....GD GD PR PR PR PR PR PR PR PR PR PR
$$
Forecaster...L. Ingles
Requested by...Director OMME
Type of request...WILDFIRE
.TAG 2619694.0/SJU
.DELDT 08/14/26
.FormatterVersion 2.0.0
.EMAIL lee.ingles@noaa.gov,carlos@pratdesaba.net