863
FNCA72 TJSJ 122015
FWSSJU

Spot Forecast for SAR...USCG
National Weather Service San Juan PR
415 PM AST Sun Oct 12 2025

Forecast is based on forecast start time of 1600 AST on October 12.
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...

A gradual improvement in weather conditions is anticipated from
this evening onward. Although we cannot rule out a few showers at
times, these may produce periods of heavy rain and gusty winds.
Thunderstorms could develop each afternoon due to the excessive
heating expected. Observations from the CariCOOS Vieques Buoy
indicate moderate seas of around 3 feet with a dominant period
near 11 seconds under east to east-southeast winds around 1014
knots and gusty winds between 14 and 17 kt. Nearby stations at
Culebra and Marina Puerto del Rey show similar trends, with
easterly winds between 10 and 18 knots, slightly weaker near the
coast due to local terrain effects.

.REST OF TODAY...

Sky/weather.........Partly sunny (55-65 percent).
Max temperature.....Around 85.
Surface winds (kts).East winds 11 to 12 knots.

TIME (AST)      4PM 5PM
Sky (%).........60  60
Weather cov.....ISO ISO
Weather type....RW  RW
Tstm cov........
Temp............84  84
SFC wnd dir.....SE  E
SFC wnd spd kts.11  12
SFC wnd gst.....18  18

.TONIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (55-65 percent) then becoming
                    partly cloudy (25-35 percent). Isolated showers
                    early in the evening, then scattered showers in
                    the late evening and overnight.
Min temperature.....Around 83.
Surface winds (kts).East winds 12 to 15 knots.

TIME (AST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........40  40  40  50  50  50  60  60  60  30  30  30
Weather cov.....ISO ISO ISO SCT SCT SCT SCT SCT SCT
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........
Temp............84  84  84  84  83  83  83  83  83  83  83  83
SFC wnd dir.....E   E   E   E   E   E   E   E   E   E   E   E
SFC wnd spd kts.12  13  13  13  13  14  14  15  15  14  13  13
SFC wnd gst.....20  20  21  21  21  22  22  23  24  23  21  21

.COLUMBUS DAY...

Sky/weather.........Partly sunny (50-60 percent). Scattered
                    showers.
Max temperature.....Around 85.
Surface winds (kts).East winds 12 to 15 knots.

TIME (AST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........50  50  50  60  60  60  50  50  50  50  50  50
Weather cov.....SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........
Temp............83  84  84  84  85  85  85  85  85  85  84  84
SFC wnd dir.....E   E   E   E   E   E   E   E   E   E   E   E
SFC wnd spd kts.13  14  15  15  14  14  13  12  12  13  14  15
SFC wnd gst.....21  23  23  23  23  22  21  20  20  21  22  23

$$
Forecaster...C. Anselmi
Requested by...Miller Mott
Type of request...SAR
.TAG 2523477.0/SJU
.DELDT 10/12/25
.FormatterVersion 2.0.0
.EMAIL miller.b.mott@uscg.mil