440  
FXUS62 KMFL 211845  
AFDMFL  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MIAMI FL  
145 PM EST SAT DEC 21 2024  
   
..NEW LONG TERM
 
 
   
SHORT TERM
 
 
(REST OF TODAY THROUGH SUNDAY)  
ISSUED AT 1230 PM EST SAT DEC 21 2024  
 
BUILDING HIGH PRESSURE WILL ALLOW DRIER, COOLER AIR TO PERSIST  
ACROSS THE REGION. DEEP-LAYERED LOW PRESSURE ACROSS THE  
NORTHEASTERN UNITED STATES AND EASTERN CANADA WILL PROGRESS NORTH  
AND EAST THROUGH THE WEEKEND. AS THE SURFACE HIGH SLIDES EAST  
ALONG THE MID-ATLANTIC AND NORTHEASTERN U.S., OUR WIND FLOW WILL  
BECOME MORE NORTHEASTERLY BY THE END OF SUNDAY.  
 
TEMPERATURES WILL FALL INTO LOWER TO MID 40S ACROSS INLAND  
SOUTHWEST FLORIDA, THE UPPER 40S ALONG COASTAL SOUTHWEST FLORIDA,  
AND INLAND SOUTH FLORIDA, AND THE LOWER TO MID 50S IN METRO SOUTH  
FLORIDA. A MODERATING TREND WILL HELP TEMPERATURES WARM A FEW  
DEGREES ON SUNDAY WITH HIGHS REACHING INTO THE LOWER TO MID 70S  
ACROSS THE AREA. WIND CHILL VALUES TONIGHT INTO EARLY SUNDAY  
MORNING WILL DIP INTO THE UPPER 30S TO LOWER 40S ACROSS GLADES,  
HENDRY, AND COLLIER COUNTIES WITH MID 40S TO LOWER 50S ACROSS MUCH  
OF THE REST OF SOUTH FLORIDA SAVE FOR SOME HIGHER VALUES AT THE  
WARMER ATLANTIC COAST. IF THE WIND IS A TAD WEAKER THAN FORECAST  
TONIGHT, TEMPERATURES COULD BE A DEGREE OR TWO LOWER BUT THE WIND  
CHILL VALUES WILL LIKELY NOT DROP TOO MUCH AS THE WIND WILL PLAY  
LESS OF A FACTOR IN THAT CALCULATION.  
 

 
   
LONG TERM
 
 
(SUNDAY NIGHT THROUGH NEXT FRIDAY)  
ISSUED AT 145 PM EST SAT DEC 21 2024  
 
STRONG SURFACE HIGH PRESSURE BUILDS INTO THE NORTHEAST US NEXT WEEK,  
WHICH WILL BRING BACK EASTERLY FLOW AND MODERATING TEMPERATURES. A  
MID/UPPER LEVEL TROUGH WILL ENTER THE NORTHERN GULF FROM THE DEEP  
SOUTH MID TO LATE WEEK. AHEAD OF THIS FEATURE, INCREASING MOISTURE  
AND W/SW FLOW IS EXPECTED ACROSS SOUTH FL WHICH WILL INCREASE RAIN  
CHANCES THROUGH THE REMAINDER OF THE WEEK. FORECAST SOUNDINGS NEXT  
WEEK SHOW FAIRLY SHALLOW MOISTURE SO THUNDER CHANCES WILL REMAIN  
LOW. HIGH AND LOW TEMPS NEXT WEEK WILL BE GENERALLY RIGHT AROUND  
NORMAL WITH HIGHS IN THE UPPER 70S TO LOWER 80S, AND LOWS IN THE  
50S/60S.  
 

 
   
AVIATION
 
 
(18Z TAFS)  
ISSUED AT 1230 PM EST SAT DEC 21 2024  
 
GENERALLY VFR WITH NORTHWESTERLY TO NORTHERLY WIND FLOW THAT WILL  
BECOME NORTHEASTERLY BY THE END OF THE FORECAST PERIOD ON SUNDAY.  
 

 
   
MARINE
 
 
ISSUED AT 1230 PM EST SAT DEC 21 2024  
 
A MODERATE NORTHERLY BREEZE CONTINUES TODAY, THEN GRADUALLY  
VEERING TO THE EAST-NORTHEAST THROUGH EARLY NEXT WEEK. SEAS WILL  
BUILD TO 4-6 FEET OVER THE ATLANTIC WATERS TODAY, ALONG WITH AN  
INCREASE IN WINDS. GULF SEAS WILL BUILD UP TO 3-4 FEET DURING THIS TIME.  
 

 
   
BEACHES
 
 
ISSUED AT 1230 PM EST SAT DEC 21 2024  
 
THE RISK OF RIP CURRENTS WILL REMAIN ELEVATED ACROSS THE PALM  
BEACHES THROUGH THE REST OF THE WEEKEND DUE TO LINGERING EFFECTS  
FROM A NORTHEASTERLY SWELL.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
MIAMI 54 75 64 78 / 0 10 10 10  
WEST KENDALL 50 76 60 79 / 0 10 10 10  
OPA-LOCKA 53 76 63 79 / 0 10 10 10  
HOMESTEAD 53 76 62 78 / 0 10 10 0  
FORT LAUDERDALE 54 73 65 76 / 0 10 10 10  
N FT LAUDERDALE 54 73 65 77 / 10 10 10 10  
PEMBROKE PINES 54 77 63 80 / 0 10 10 10  
WEST PALM BEACH 52 73 63 76 / 10 10 10 10  
BOCA RATON 53 75 65 78 / 10 10 10 10  
NAPLES 47 72 57 77 / 0 0 0 0  
 

 
   
MFL WATCHES/WARNINGS/ADVISORIES
 
 
FL...NONE.  
AM...NONE.  
GM...NONE.  

 
 

 
 
SHORT TERM...RAG  
LONG TERM....CMF  
AVIATION...RAG  
 
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