739  
FXUS62 KKEY 041745  
AFDKEY  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE KEY WEST FL  
1245 PM EST WED FEB 4 2026  
   
..NEW AVIATION  
 
   
KEY MESSAGES  
 
- LOW RAIN CHANCES, ALONG WITH SLIGHTLY WARMER CONDITIONS ARE  
EXPECTED THIS AFTERNOON AND TONIGHT.  
 
- GENTLE TO MODERATE BREEZES WILL CONTINUE THIS AFTERNOON BEFORE  
GRADUALLY SLACKENING TO LIGHT TO GENTLE BREEZES TONIGHT.  
 
- THE NEXT COLD FRONT IS SCHEDULED TO PUSH THROUGH THE FLORIDA  
KEYS ON THURSDAY AFTERNOON OR EVENING, BRINGING WITH IT COOLER  
AND WINDY CONDITIONS.  
 
- BREEZES WILL ALSO INCREASE SHARPLY THURSDAY AFTERNOON AS THE  
COLD FRONT MOVES THROUGH THE AREA.  
 
 
   
AVIATION  
 
(18Z TAFS)  
ISSUED AT 1221 PM EST WED FEB 4 2026  
ALTHOUGH BOUTS OF BKN060 DECKS WILL BE POSSIBLE ALONG WITH A FEW  
LIGHT VICINITY SHOWERS, VFR CONDITIONS WILL PREVAIL AT BOTH  
ISLAND TERMINALS THROUGH AT LEAST 15Z THURSDAY MORNING.  
THEREAFTER, A STRONG COLD FRONT WILL PUSH THROUGH THE TERMINALS  
FROM WEST TO EAST. LOW CIGS ALONG WITH GUSTY CROSS BREEZES WILL  
BE POSSIBLE IN THE WAKE OF THE FRONTAL PASSAGE, LIKELY OCCURRING  
RIGHT AT THE END OF THE CURRENT TAF PERIOD. MORE DIRECT IMPACTS  
OF THE FRONT WILL BE INCLUDED IN THE 00Z ROUTINE TAF ISSUANCE.  
 
 
   
MARINE  
 
ISSUED AT 1037 AM EST WED FEB 4 2026  
THERE ARE CURRENTLY NO WATCHES, WARNINGS, OR ADVISORIES IN EFFECT  
ACROSS THE FLORIDA KEYS COASTAL WATERS. FROM SYNOPSIS, HIGH  
PRESSURE OVER THE FLORIDA PENINSULA WILL MAINTAIN GENTLE TO  
MODERATE, GENERALLY NORTHEAST BREEZES THIS AFTERNOON. THIS HIGH  
WILL SLOWLY WEAKEN THROUGH TONIGHT, SUPPORTING LIGHT AND AT TIMES  
VARIABLE WINDS. A COLD FRONT WILL PUSH THROUGH THE KEYS MARINE  
ZONES ON THURSDAY AND THURSDAY EVENING. THIS WILL BRING ANOTHER  
PUSH OF FRESHENED BREEZES AND BUILDING SEAS FOR FRIDAY INTO THE  
WEEKEND.  
 
 
   
PREV DISCUSSION  
 
ISSUED AT 430 AM EST WED FEB 4 2026  
WINTER WILL CONTINUE ACROSS THE KEYS THROUGH THE REMAINDER OF THE  
WEEK. HIGH PRESSURE WILL DOMINATE THE PATTERN TODAY AND TONIGHT.  
THIS WILL KEEP BREEZES LIGHT TO GENTLE THIS MORNING WITH BREEZES  
CONTINUING TO GRADUALLY SLACKEN THROUGH TONIGHT AS HIGH PRESSURE  
SLOWLY WEAKENS ACROSS THE AREA. BREEZES MAY ALSO BECOME LIGHT AND  
VARIABLE FOR A TIME OVERNIGHT. MOISTURE REMAINS MEAGER AT BEST  
RESULTING IN NIL TO NEAR NIL RAIN CHANCES TODAY AND TONIGHT.  
HOWEVER, SLIGHTLY DEEPER MOISTURE MAY RESULT IN A FEW ISOLATED  
SHOWERS ACROSS THE STRAITS OF FLORIDA. TEMPERATURES REMAIN BELOW  
AVERAGE WITH HIGHS AT BEST REACHING THE MID TO UPPER 60S.  
OVERNIGHT LOWS WON'T FALL TOO MUCH FROM DAYTIME HIGHS REMAINING IN  
THE LOWER 60S TO NEAR 60 DEGREES. HUMIDITY WILL ALSO SLOWLY CLIMB  
TODAY AND TONIGHT.  
 
ANOTHER COLD FRONT, IN ASSOCIATION WITH A LOW PRESSURE SYSTEM  
ACROSS THE MID-ATLANTIC AREA, WILL SLIDE SOUTHEASTWARD THURSDAY.  
MOISTURE WILL POOL RESULTING IN CHANCES OF SHOWERS AHEAD OF THE  
FRONT. THE BEST CHANCES FOR SHOWERS WILL BE ACROSS THE OFFSHORE  
GULF WATERS AND THE STRAITS OF FLORIDA, THOUGH, A FEW SHOWERS  
CANNOT BE COMPLETELY RULED OUT FOR THE ISLAND CHAIN. THE COLD  
FRONT IS EXPECTED TO PASS THROUGH THE KEYS SOMETIME LATER IN THE  
DAY THURSDAY OR THURSDAY EVENING. THIS WILL RESULT IN RAPIDLY  
FRESHENING WEST TO NORTHWEST BREEZES. GET READY FOR ANOTHER BLOW  
AND A RETURN TO COLDER AND WINDY CONDITIONS. HIGHS THURSDAY WILL  
ONLY MANAGE TO REACH THE UPPER 60S, POTENTIALLY 70 DEGREES.  
OVERNIGHT LOWS TUMBLE INTO THE MID TO UPPER 40S FOR THE UPPER  
KEYS WITH 50 TO 55 DEGREES FOR THE MIDDLE AND UPPER KEYS. DRY AIR  
WILL FILTER IN BEHIND THE FRONT RESULTING IN NIL RAIN CHANCES FOR  
THURSDAY NIGHT.  
 
IN THE WAKE OF THE FRONT, SURFACE HIGH PRESSURE IS EXPECTED TO  
DOMINATE THE PATTERN FOR LATE WEEK THROUGH THE WEEKEND AND INTO  
EARLY NEXT WEEK. MOISTURE REMAINS SCARCE RESULTING IN NEAR NIL  
RAIN CHANCES THROUGH THE EXTENDED. BREEZES WILL MODESTLY SLACKEN  
FRIDAY AND FRIDAY NIGHT WITH LIGHT TO GENTLE BREEZES PREVAILING  
THROUGH THE PERIOD ALONG THE ISLAND CHAIN. TEMPERATURES WILL  
SLOWLY MODERATE EACH DAY THROUGH THE EXTENDED, THOUGH, WE WONT  
FULLY GET BACK TO AVERAGE TILL PERHAPS THE MIDDLE OF NEXT WEEK.  
HUMIDITY WILL ALSO SLOWLY CREEP UP EACH DAY THOUGH STILL REMAINING  
QUITE COMFORTABLE.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
KEY WEST 68 63 70 55 / 10 10 40 0  
MARATHON 67 61 70 52 / 10 10 30 0  
 
 
   
KEY WATCHES/WARNINGS/ADVISORIES  
 
FL...NONE.  
GM...NONE.  
 
 
 
 
PUBLIC/MARINE/FIRE...BT  
AVIATION/NOWCASTS....BT  
DATA ACQUISITION.....BT  
 
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