253  
FNUS72 KJAX 181222  
FWSJAX  
 
SPOT FORECAST FOR COAB FALL FESTIVAL...CITY OF ATLANTIC BEACH  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
822 AM EDT FRI SEP 18 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0900 EDT ON SEPTEMBER 18.  
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  
 
SURFACE HIGH PRESSURE WILL BE LOCATED TO THE NORTHEAST SATURDAY,  
PROVIDING AN ONSHORE FLOW, WHICH MAY BECOME A LITTLE GUSTY IN THE  
AFTERNOON.  
 
WHILE THE CHANCE FOR PRECIPITATION IS TOO LOW FOR MENTION IN THE  
FORECAST, A BRIEF SHOWER CAN NOT BE RULED OUT SATURDAY, AS  
ACTIVITY MOVES OFF THE ATLANTIC. THE GREATEST CHANCE FOR ONE OF  
THESE BRIEF SHOWERS WILL BE IN THE LATE MORNING TO EARLY AFTERNOON.  
   
TONIGHT  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........36 26 21 20 18 22 21 22 23 25 31 41  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10 0 0 0 0 0 0 0 0 10 10  
CHC OF THDR (%).10 10 0 0 0 0 0 0 0 0 0 0  
TEMP............85 84 82 81 81 80 79 79 78 78 77 77  
RH..............67 70 72 74 74 77 79 79 82 82 85 85  
HEAT INDEX (F)..92 90 87 85 85 84 79 79 78 78 77 77  
WIND CHILL (F)..92 90 87 85 85 84 79 79 78 78 77 77  
SURFACE WND DIR.NE NE NE NE NE E E E E E NE NE  
SURFACE WND SPD.12 9 8 7 6 6 5 3 2 1 1 1  
SURFACE WND GST.17 14 13 10 9 9 7 6 3 2 2 2  
TRANSP WIND DIR.NE NE NE E E E E E E E NE NE  
TRANSP WIND SPD.12 9 8 8 7 7 6 5 5 3 3 3  
   
SATURDAY  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........40 42 36 17 23 25 18 17 22 26 36 38  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 0 0 10 10 10 10 10 10 10 10 10  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............76 77 77 80 83 86 87 87 87 86 85 84  
RH..............87 85 88 82 74 70 65 65 65 68 70 72  
HEAT INDEX (F)..76 77 77 85 90 95 95 95 95 94 93 91  
WIND CHILL (F)..76 77 77 85 90 95 95 95 95 94 93 91  
SURFACE WND DIR.N N N N NE NE NE NE E E E E  
SURFACE WND SPD.2 3 5 6 8 9 10 10 10 10 10 10  
SURFACE WND GST.3 6 6 7 9 12 12 13 14 15 14 13  
TRANSP WIND DIR.NE N N N NE NE NE E E E E E  
TRANSP WIND SPD.5 5 6 7 8 9 10 10 12 12 12 10  
 
 
FORECASTER...STRUBLE  
REQUESTED BY...JORDAN LESLIE  
TYPE OF REQUEST...OTHER  
.TAG 2622114.0/JAX  
.DELDT 09/18/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JLESLIE@COAB.US  
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