852  
FXUS62 KMLB 301146  
AFDMLB  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MELBOURNE FL  
646 AM EST TUE DEC 30 2025  
   
..NEW AVIATION  
 
   
KEY MESSAGES  
 
ISSUED AT 251 AM EST TUE DEC 30 2025  
 
- WIND CHILL VALUES ARE FORECAST TO REACH THE MID-20S TO MID-30S  
OVERNIGHT TONIGHT INTO EARLY WEDNESDAY MORNING. A COLD WEATHER  
ADVISORY HAS BEEN ISSUED FOR ALL BUT COASTAL MARTIN COUNTY.  
 
- A FREEZE WATCH REMAINS IN EFFECT FOR LAKE AND INLAND VOLUSIA  
COUNTIES FOR LATE TONIGHT INTO WEDNESDAY MORNING, AS TEMPERATURES  
FALL TO NEAR FREEZING IN THAT AREA.  
 
- HAZARDOUS BOATING CONDITIONS TODAY, ESPECIALLY OVER THE GULF  
STREAM.  
 
 
   
DISCUSSION  
 
ISSUED AT 251 AM EST TUE DEC 30 2025  
 
TODAY-WEDNESDAY...A MOSTLY DRY, BUT POTENT, COLD FRONT CONTINUES  
SOUTHWARD THROUGH CENTRAL FLORIDA PRIOR TO SUNRISE THIS MORNING.  
TEMPERATURES AHEAD OF THE FRONT REMAIN IN THE MID-60S AS OF AROUND  
2AM, WHILE NORTHERN PORTIONS IN THE AREA HAVE FALLEN INTO THE LOWER  
50S. COLDER, DRIER AIR WILL CONTINUE TO SPREAD SOUTHWARD THROUGH THE  
FORECAST AREA OVER THE NEXT SEVERAL HOURS, WITH THE FRONT EXPECTED  
TO MOVE INTO SOUTH FLORIDA EARLY THIS MORNING.  
 
TODAY, MUCH BELOW NORMAL TEMPERATURES ARE FORECAST, WITH HIGHS ONLY  
REACHING THE UPPER 50S TO NEAR 60 ALONG AND NORTH OF I-4. TO THE  
SOUTH, AREAS LOOK TO REMAIN IN THE LOWER TO MID-60S. THESE  
TEMPERATURES ARE AROUND 9-12 DEGREES BELOW NORMAL FOR LATE DECEMBER.  
BREEZY NORTHWESTERLY WINDS OF 8-12 MPH, WITH GUSTS TO AROUND 20 MPH  
AT TIMES, WILL MAKE DAYTIME TEMPERATURES FEEL A COUPLE OF DEGREES  
EVEN COOLER THIS AFTERNOON. IT WILL BE DRY, AS PWATS FALL BELOW  
0.5", THOUGH SCATTERED MID TO UPPER LEVEL CLOUDS WILL LINGER.  
FORECAST PWATS ARE EXPECTED TO BE AROUND THE 10TH PERCENTILE OR LESS  
FOR THE DATE BASED ON XMR SOUNDING CLIMATOLOGY.  
 
TONIGHT, CLEARING SKIES AND DEW POINTS IN THE UPPER TEENS TO LOWER  
20S WILL PROVIDE GOOD CONDITIONS FOR TEMPERATURES TO PLUMMET AFTER  
SUNSET. WEDNESDAY MORNING LOW TEMPERATURES ARE FORECAST TO FALL INTO  
THE 30S FOR NEARLY ALL OF EAST CENTRAL FLORIDA. THE COLDEST SPOTS  
ARE EXPECTED TO DIP TO NEAR FREEZING, NAMELY ACROSS LAKE AND INLAND  
VOLUSIA COUNTIES. HAVE MAINTAINED THE FREEZE WATCH FOR NOW, AS  
FORECAST TEMPERATURES REMAIN NEAR 32 DEGREES AND CONFIDENCE ON  
WHETHER FREEZING TEMPERATURES WILL PERSIST FOR 2+ HOURS IS NOT QUITE  
HIGH ENOUGH. REGARDLESS, HREF CONTINUES TO SUGGEST A 20-50% (OR  
LOCALLY HIGHER) PROBABILITY OF AT LEAST BRIEFLY REACHING 32 DEGREES  
OR LESS IN THE FREEZE WATCH AREA.  
IN ADDITION, NORTHWEST WINDS 5-10 MPH OVERNIGHT WILL CREATE WIND  
CHILL VALUES IN THE UPPER 20S TO LOWER 30S ACROSS NEARLY ALL OF THE  
FORECAST AREA. A COLD WEATHER ADVISORY HAS BEEN ISSUED FOR ALL BUT  
COASTAL MARTIN COUNTY, WHERE WIND CHILLS LOOK TO REMAIN IN THE MID-  
30S. WIND CHILLS THIS COLD COULD BE HAZARDOUS FOR THOSE WITHOUT  
ACCESS TO ADEQUATE WARMTH, CLOTHING, OR SHELTER.  
 
DRY CONDITIONS AND BELOW NORMAL TEMPERATURES WILL CONTINUE INTO  
WEDNESDAY, AS PWATS REMAIN NEAR RECORD LOW LEVELS FOR THE DATE.  
HIGHS WILL ONCE AGAIN STRUGGLE TO REACH 60 DEGREES ALONG AND NORTH  
OF I-4, WITH THE LOWER TO MID-60S FORECAST FOR SOUTHERN AREAS.  
TEMPERATURES MODERATE SOMEWHAT WEDNESDAY NIGHT, AS DEW POINTS CREEP  
INTO THE LOWER 30S AND WINDS SLACKEN. HOWEVER, OVERNIGHT LOWS IN THE  
MID TO UPPER 30S REMAIN FORECAST FOR MUCH OF THE AREA AND WIND  
CHILLS IN THE LOWER 30S WILL CONTINUE. WHILE CONDITIONS AT THIS TIME  
LOOK TO PRECLUDE THE NEED FOR ANY FREEZE PRODUCTS, PATCHY FROST HAS  
BEEN ADDED TO THE FORECAST FOR RURAL INTERIOR LOCATIONS. WILL ALSO  
NEED TO MONITOR THE NEED ADDITIONAL COLD WEATHER ADVISORIES, THOUGH  
CURRENT FORECAST WIND CHILLS REMAIN NEAR TO JUST ABOVE CRITERIA.  
 
THURSDAY-FRIDAY...THE NEW YEAR BEGINS WITH HIGH PRESSURE OVER THE  
GULF BUILDING EASTWARD THROUGH LATE WEEK. MEANWHILE, ZONAL FLOW  
BUILDS IN ALOFT FRIDAY BEHIND AN UPPER LEVEL TROUGH PASSING THROUGH  
THURSDAY. NO PRECIPITATION REMAINS FORECAST, WITH DRY AIR LINGERING  
OVER THE FLORIDA PENINSULA. LIGHTER WINDS WILL BACK WESTERLY INTO  
FRIDAY, WITH A WARMING TREND BEGINNING. HIGHS IN THE MID TO UPPER  
60S THURSDAY WILL BECOME NEARER TO NORMAL ON FRIDAY IN THE UPPER 60S  
TO LOWER 70S. OVERNIGHT LOWS WILL ALSO WARM THROUGH THE PERIOD,  
REMAINING IN THE MID-40S TO LOWER 50S BY FRIDAY NIGHT.  
 
SATURDAY-MONDAY...YET ANOTHER COLD FRONT IS FORECAST TO MOVE THROUGH  
THE FLORIDA PENINSULA THIS WEEKEND, AS AN UPPER LEVEL TROUGH MOVES  
THROUGH THE AREA. RAIN CHANCES RETURN, WITH ISOLATED TO SCATTERED  
SHOWERS POSSIBLE SATURDAY INTO SATURDAY NIGHT. POPS CURRENTLY 20-  
30%, MAINLY ACROSS NORTHERN PORTIONS OF THE AREA.  
DRIER CONDITIONS RETURN LATE WEEKEND AND INTO EARLY NEXT WEEK,  
THOUGH AMBIENT AIR IS NOT EXPECTED TO BE AS DRY AS AROUND THE NEW  
YEAR'S HOLIDAY. NEAR TO SLIGHTLY ABOVE NORMAL TEMPERATURES ARE  
FORECAST DURING THE DAYTIME HOURS, AS HIGHS REACH THE MID TO UPPER  
70S, WHILE OVERNIGHT LOWS REMAIN IN THE 50S.  
 
 
   
MARINE  
 
ISSUED AT 251 AM EST TUE DEC 30 2025  
 
TODAY-WEDNESDAY...POOR TO HAZARDOUS BOATING CONDITIONS TODAY BEHIND  
A COLD FRONT. NORTH-NORTHWESTERLY WINDS UP TO 20-25 KTS THIS MORNING  
WILL DIMINISH SOMEWHAT INTO THE AFTERNOON, BUT REMAIN UP TO 15-20  
KTS INTO THIS EVENING BEFORE BECOMING 10-15 KTS WEDNESDAY. SEAS 6-9  
FT EARLY TODAY WILL BE HIGHEST IN THE GULF STREAM AND REMAIN UP TO 4-  
6 FT IN THAT AREA INTO WEDNESDAY AFTERNOON. SMALL CRAFT ADVISORIES  
ARE IN EFFECT FOR ALL OF THE LOCAL ATLANTIC WATERS. WHILE THEY ARE  
EXPECTED TO EXPIRE FROM NORTH TO SOUTH THIS AFTERNOON AND INTO THIS  
EVENING, THEY HAVE BEEN EXTENDED THROUGH MUCH OF TONIGHT FOR THE  
GULF STREAM SOUTH OF THE CAPE.  
 
THURSDAY-SATURDAY...IMPROVED BOATING CONDITIONS THROUGH LATE WEEK,  
AS HIGH PRESSURE MOVES EASTWARD FROM THE GULF AND ACROSS THE FLORIDA  
PENINSULA. NORTHWEST WINDS EARLY IN THE PERIOD BACK SOUTHWESTERLY  
INTO THE WEEKEND. WINDS GENERALLY AROUND 15 KTS OR LESS, BUT COULD  
SEE BOATING CONDITIONS DETERIORATE ONCE AGAIN LATER IN THE WEEKEND  
BEHIND YET ANOTHER COLD FRONT. SEAS LINGERING UP TO 5 FT IN THE GULF  
STREAM ON THURSDAY, OTHERWISE SEAS 2-4 FT.  
DRY CONDITIONS THROUGH LATE WEEK, THEN INCREASING CHANCES FOR  
SHOWERS SATURDAY INTO SATURDAY NIGHT.  
 
 
   
AVIATION  
 
(12Z TAFS)  
ISSUED AT 646 AM EST TUE DEC 30 2025  
 
A COLD FRONT HAS PASSED SOUTH OF LAKE OKEECHOBEE THIS MORNING, AND  
MVFR CIGS CONTINUE TO STEADILY CLEAR ALONG THE TREASURE COAST.  
NORTH-NORTHWEST WINDS AROUND 8-12 KTS ARE FORECAST BEHIND THE  
FRONT, WITH OCCASIONAL GUSTS UP TO 20 KTS. WINDS DIMINISH TO  
AROUND 5-8 KTS THIS EVENING AND INTO THE OVERNIGHT.  
 
 
   
FIRE WEATHER  
 
ISSUED AT 251 AM EST TUE DEC 30 2025  
 
BREEZY AND DRY CONDITIONS BEHIND A COLD FRONT WILL LEAD TO  
HEIGHTENED FIRE WEATHER SENSITIVITY TODAY. NORTHWEST WINDS 8-12  
MPH ARE FORECAST THIS AFTERNOON, AS MIN RH FALLS TO THE UPPER 20S  
TO LOWER 30S OVER THE INTERIOR. FORTUNATELY, THE HIGHEST WINDS ARE  
EXPECTED ALONG THE COAST, WHERE MIN RH LOOKS TO REMAIN IN THE  
35-45% RANGE. WINDS ARE FORECAST TO SLACKEN THROUGH MID TO LATE  
WEEK, THOUGH MIN RH NEAR 25-30% IS EXPECTED AREA-WIDE WEDNESDAY.  
WILL SEE CONDITIONS BEGIN TO IMPROVE THURSDAY, THOUGH DRY  
CONDITIONS WILL CONTINUE WITH MIN RH AS LOW AS 30-35% ACROSS  
PORTIONS OF THE AREA.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
DAB 58 34 59 38 / 0 0 0 0  
MCO 60 38 59 41 / 0 0 0 0  
MLB 62 36 62 40 / 0 0 0 0  
VRB 64 36 63 38 / 0 0 0 0  
LEE 58 33 58 38 / 0 0 0 0  
SFB 59 35 60 38 / 0 0 0 0  
ORL 60 37 59 41 / 0 0 0 0  
FPR 65 35 63 37 / 0 0 0 0  
 
 
   
MLB WATCHES/WARNINGS/ADVISORIES  
 
FL...COLD WEATHER ADVISORY FROM 1 AM TO 9 AM EST WEDNESDAY FOR FLZ041-  
044>046-053-058-141-144-154-159-247-254-259-264-347-447-547-  
647-747.  
 
FREEZE WATCH FROM LATE TONIGHT THROUGH WEDNESDAY MORNING FOR  
FLZ041-044-144.  
 
AM...SMALL CRAFT ADVISORY UNTIL 1 PM EST THIS AFTERNOON FOR AMZ550-  
552.  
 
SMALL CRAFT ADVISORY UNTIL 4 AM EST WEDNESDAY FOR AMZ555-572-575.  
 
SMALL CRAFT ADVISORY UNTIL 10 PM EST THIS EVENING FOR AMZ570.  
 
 
 
 
 
DISCUSSION...LEAHY  
AVIATION...LAW  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab FL Page
Main Text Page