990
FNUS72 KJAX 220711
FWSJAX
SPOT FORECAST FOR GUANA RIVER WMA...FWC
NATIONAL WEATHER SERVICE JACKSONVILLE FL
311 AM EDT WED JUL 22 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON JULY 22.
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
HOT AND DRY (RAIN-FREE) CONDITIONS TODAY. LIGHT
SOUTH- SOUTHEAST TO SOUTH WINDS WILL PREVAIL THROUGH THE MORNING
HOURS BEFORE STRONGER SEA BREEZE DEVELOPS AROUND 1300 TODAY. THIS
WILL SHIFT WINDS MORE EAST- SOUTHEAST WITH GUSTS AROUND 20 MPH
THROUGH THE AFTERNOON. EARLY AFTERNOON SEA BREEZE WILL CAP MIXING
HEIGHTS AND LIMIT DISPERSION DESPITE THE ELEVATED TRANSPORT WINDS.
WINDS WILL SUBSIDE SLOWLY THROUGH THE EVENING AND TREND LIGHTER
THROUGH THE MORNING HOURS ON THURSDAY. RAIN CHANCES WILL INCREASE
THURSDAY BUT A QUICK SEA BREEZE WILL SHOWER AND STORM DEVELOPMENTS
WEST OF THE RX.
TODAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........22 27 23 17 17 14 13 12 19 25 32 32
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............78 77 78 81 84 86 87 87 87 85 86 84
RH..............85 90 91 88 80 75 75 75 75 80 77 82
HEAT INDEX (F)..78 77 78 88 94 97 100 100 100 97 98 95
WIND CHILL (F)..78 77 78 88 94 97 100 100 100 97 98 95
20 FT WIND DIR..S S S S S S S SE SE SE SE SE
20 FT WIND SPD..10 9 9 9 10 12 12 13 13 14 15 16
20 FT WIND GUST.14 13 13 13 14 15 15 15 16 17 20 21
MIX HGT (KFT)...0.8 1.0 1.2 1.7 2.2 2.7 2.5 2.2 1.9 1.8 1.6 1.5
TRANSP WIND DIR.S S S S S S S SE SE SE SE SE
TRANSP WIND SPD.13 13 14 14 14 14 14 14 14 15 16 17
DISPERSION IDX..10 9 20 29 38 46 44 41 37 35 35 35
LVORI...........4 5 4 4 3 2 2 2 2 2 2 2
TONIGHT
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........37 42 48 49 52 46 48 38 48 44 42 38
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............83 82 79 78 78 79 78 78 78 77 77 77
RH..............82 82 91 91 91 88 91 88 88 90 88 88
HEAT INDEX (F)..92 89 79 78 78 79 78 78 78 77 77 77
WIND CHILL (F)..92 89 79 78 78 79 78 78 78 77 77 77
20 FT WIND DIR..SE SE SE SE S S S S S S S S
20 FT WIND SPD..16 16 16 15 14 13 12 9 8 7 7 6
20 FT WIND GUST.21 22 22 21 20 18 16 14 12 10 9 9
MIX HGT (KFT)...1.3 1.2 1.1 0.9 0.8 0.7 0.7 0.6 0.6 0.6 0.5 0.5
TRANSP WIND DIR.SE SE SE S S S S S S S S S
TRANSP WIND SPD.17 18 20 18 18 17 16 14 13 12 10 9
DISPERSION IDX..33 30 17 17 16 15 14 10 10 9 7 6
LVORI...........3 3 3 4 4 4 4 4 4 4 5 5
THURSDAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........31 32 21 28 24 23 15 9 8 11 14 19
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............77 77 79 83 87 89 90 90 91 89 89 88
RH..............88 88 88 82 72 68 68 70 68 70 70 70
HEAT INDEX (F)..77 77 79 92 99 102 105 106 108 103 103 100
WIND CHILL (F)..77 77 79 92 99 102 105 106 108 103 103 100
20 FT WIND DIR..S S S S S SE SE E E SE SE SE
20 FT WIND SPD..5 3 3 3 3 5 7 9 12 13 14 14
20 FT WIND GUST.8 7 6 6 6 7 10 14 17 20 21 21
MIX HGT (KFT)...0.7 0.8 1.0 1.5 2.1 2.6 2.5 2.4 2.3 2.1 1.9 1.7
TRANSP WIND DIR.S S S S S S SE SE E E SE SE
TRANSP WIND SPD.8 8 7 6 6 6 7 9 12 13 14 14
DISPERSION IDX..4 4 9 12 14 18 21 27 31 32 31 30
LVORI...........5 5 5 4 3 3 3 2 2 2 2 2
FORECASTER...BOOTHE
REQUESTED BY...FWC
TYPE OF REQUEST...PRESCRIBED
.TAG 2617915.0/JAX
.DELDT 07/22/26
.FORMATTERVERSION 2.0.0
.EMAIL WADE.BRENNER@MYFWC.COM
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