314  
FNUS72 KJAX 141749  
FWSJAX  
 
SPOT FORECAST FOR COAB FALL FESTIVAL...CITY OF ATLANTIC BEACH  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
149 PM EDT MON SEP 14 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0000 EDT ON SEPTEMBER 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (904) 741-4370 IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
SATURDAY, FOR ATLANTIC BEACH, HIGH TEMPERATURES WILL BE IN THE MID 80S,  
WITH MAXIMUM AFTERNOON HEAT INDEX VALUES IN THE MID 90S. EASTERLY  
WINDS AROUND 10 MPH WILL LIKELY BRING SHOWERS ONSHORE IN THE MORNING  
HOURS, WITH A FEW EMBEDDED THUNDERSTORMS POSSIBLE. PRECIPITATION  
CHANCES REMAIN AT ABOUT 40-50% THROUGH THE DAY AT THIS TIME, A BETTER  
FORECAST WILL BE AVAILABLE AS WE GET CLOSER TO SATURDAY. SOME ISOLATED  
SHOWERS WILL BE POSSIBLE AFTER SUNSET AS WELL.  
   
SATURDAY  
 
TIME (EDT) MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........52 52 43 43 43 43  
WEATHER COV.....SCH SCH SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW  
TSTM COV........SCH SCH  
CHC OF PCPN (%).20 20 20 20 20 20  
CHC OF THDR (%).20 20 10 10 10 10  
TEMP............78 77 77 77 76 76  
RH..............88 90 90 90 90 90  
HEAT INDEX (F)..78 77 77 77 76 76  
WIND CHILL (F)..78 77 77 77 76 76  
SURFACE WND DIR.E SE SE SE SE SE  
SURFACE WND SPD.5 3 3 3 3 3  
SURFACE WND GST. 5 5  
TRANSP WIND DIR.SE SE SE SE SE SE  
TRANSP WIND SPD.7 7 6 6 6 6  
   
SATURDAY  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........43 43 51 51 51 51 51 51 60 60 60 60  
WEATHER COV.....SCH SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC  
CHC OF PCPN (%).20 20 30 30 30 30 30 30 40 40 40 40  
CHC OF THDR (%).10 10 20 20 20 20 20 20 40 40 40 40  
TEMP............76 77 78 80 81 83 84 84 84 84 84 83  
RH..............90 88 88 85 82 80 77 77 77 77 77 80  
HEAT INDEX (F)..76 77 78 85 87 91 93 93 93 93 93 91  
WIND CHILL (F)..76 77 78 85 87 91 93 93 93 93 93 91  
SURFACE WND DIR.SE E E E E E E E E E E E  
SURFACE WND SPD.3 3 3 5 6 7 8 9 10 10 10 10  
SURFACE WND GST. 5 6 7 8 9 12 13 14 14 13  
TRANSP WIND DIR.SE SE SE SE SE SE SE SE E E E E  
TRANSP WIND SPD.6 6 6 7 7 8 9 9 10 10 10 10  
   
SATURDAY NIGHT  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........60 60 43 43 43 43 43 43 30 30 30 30  
WEATHER COV.....CHC CHC SCH SCH SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW RW  
TSTM COV........CHC CHC SCH SCH SCH SCH SCH SCH  
CHC OF PCPN (%).40 40 20 20 20 20 20 20 10 10 10 10  
CHC OF THDR (%).40 40 20 20 20 20 20 20 10 10 10 10  
TEMP............83 82 81 80 78 77 77 77 77 77 77 77  
RH..............80 79 82 85 88 90 90 90 90 90 90 90  
HEAT INDEX (F)..91 89 87 85 78 77 77 77 77 77 77 77  
WIND CHILL (F)..91 89 87 85 78 77 77 77 77 77 77 77  
SURFACE WND DIR.E E E SE SE SE SE SE S S S S  
SURFACE WND SPD.9 8 7 6 5 5 5 5 5 5 3 3  
SURFACE WND GST.12 9 8 7 6 6 6 6 6 6 5 5  
TRANSP WIND DIR.E E E SE SE SE SE SE S S S S  
TRANSP WIND SPD.10 9 9 9 9 9 9 8 8 7 7 6  
 
 
FORECASTER...KLINGLER  
REQUESTED BY...JORDAN LESLIE  
TYPE OF REQUEST...OTHER  
.TAG 2621859.0/JAX  
.DELDT 09/14/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JLESLIE@COAB.US  
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