903  
FXUS62 KMLB 172349  
AFDMLB  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MELBOURNE FL  
649 PM EST MON FEB 17 2025  
   
..NEW AVIATION  
 
   
KEY MESSAGES  
 
ISSUED AT 241 PM EST MON FEB 17 2025  
 
- POOR BOATING CONDITIONS WILL PERSIST ACROSS THE GULF STREAM  
WATERS THIS EVENING.  
 
- AFTER A COOLER START TO THE WEEK, TEMPERATURES WARMING UP  
THROUGH MIDWEEK, BEFORE ANOTHER STRONG COLD FRONT MOVES THROUGH  
THE AREA ON WEDNESDAY NIGHT.  
 
- MOSTLY DRY THROUGH EARLY THIS WEEK, WITH THE NEXT BEST CHANCE  
FOR RAIN INTO WEDNESDAY/WEDNESDAY NIGHT WITH NEXT PASSING COLD  
FRONT.  
 
 
   
PREVIOUS DISCUSSION  
 
ISSUED AT 241 PM EST MON FEB 17 2025  
 
REST OF TODAY-TUESDAY...HIGH PRESSURE BUILDING INTO THE SOUTHEAST  
WILL PERSIST THROUGH MUCH OF THE DAY ON TUESDAY. DRY CONDITIONS  
PREVAILING, THOUGH A FEW SHOWERS WILL BE POSSIBLE ALONG THE  
SOUTHERN TREASURE COAST TUESDAY AFTERNOON, AS MOISTURE BEGINS TO  
RETURN (PWATS ~1.1") FROM SOUTH TO NORTH. CLOUD COVER WILL ALSO  
BEGIN TO INCREASE OVERNIGHT. NORTH- NORTHEAST FLOW WILL VEER  
INCREASINGLY NORTHEASTERLY THROUGH THE PERIOD. BREEZY WINDS ALONG  
THE COAST THIS AFTERNOON WILL DECREASE TONIGHT AND TUESDAY,  
REMAINING AROUND 10MPH OR LESS. NEAR TO SLIGHTLY BELOW NORMAL  
TEMPERATURES OVERNIGHT TONIGHT, WITH MORNING LOWS IN THE 50S FOR  
MOST AREAS. TEMPERATURES WILL WARM SLIGHTLY INTO TUESDAY  
AFTERNOON, BECOMING NEARER TO NORMAL THAN TODAY. HIGHS IN THE 70S.  
 
WEDNESDAY-FRIDAY (MODIFIED PREVIOUS)...MODELS CONTINUE TO SHOW AN  
AREA OF LOW PRESSURE FORMING BY EARLY WEDNESDAY ACROSS THE  
NORTHERN GULF COAST, PUSHING E/NE AND ACROSS NORTH FLORIDA INTO  
WEDNESDAY AFTERNOON. MOISTURE AND RAIN CHANCES INCREASE WITH THIS  
APPROACH AND PASSAGE OF THIS SYSTEM THROUGH THE AFTERNOON, WITH  
POPS HIGHEST NORTH OF OKEECHOBEE COUNTY AND THE TREASURE COAST (UP  
TO 60-70%). THIS LOW WILL DRAG A STRONG COLD FRONT SOUTHWARD  
ACROSS THE AREA WEDNESDAY NIGHT, WITH RAIN CHANCES CONTINUING, BUT  
DIMINISHING, THROUGH THE EVENING AND EVENTUALLY ENDING BY  
MIDNIGHT, AS DRIER AIR FILTERS IN BEHIND THE FRONT. OVERALL  
INSTABILITY REMAINS RATHER UNIMPRESSIVE, WITH MUCAPE VALUES AT OR BELOW  
650 J/KG OVER LAND, SO LIGHTNING POTENTIAL LOOKS LOW (ONLY AROUND  
20%), BUT CAN'T COMPLETELY RULE OUT A FEW STORMS INTO THE  
AFTERNOON AND EVENING, ESPECIALLY OVER THE COASTAL WATERS, WHERE  
GREATER INSTABILITY WILL RESIDE. SOUTHERLY WINDS WILL ALLOW TEMPS  
TO CLIMB EVEN HIGHER THROUGH MIDWEEK, WITH HIGHS ON WEDNESDAY  
REACHING THE UPPER 70S TO MID 80S. TEMPERATURES THEN DROP BEHIND  
THE PASSING COLD FRONT BACK INTO THE 50S FOR MUCH OF THE AREA  
WEDNESDAY NIGHT.  
 
EXPANSIVE HIGH PRESSURE CENTERED OVER THE CENTRAL U.S. WILL CONTINUE  
NORTHERLY FLOW ACROSS THE AREA THURSDAY, WITH TEMPERATURES BELOW  
NORMAL. HIGHS WILL BE IN THE 60S ACROSS MUCH OF THE AREA, EXCEPT LOW  
70 ACROSS OKEECHOBEE COUNTY AND THE TREASURE COAST. COLDEST TEMPS  
THIS WEEK WILL BE INTO THURSDAY NIGHT/EARLY FRIDAY MORNING, WITH  
LOWS IN THE 40S, EXCEPT LOW/MID 50S ALONG THE IMMEDIATE  
COAST/BARRIER ISLANDS OF SOUTHERN BREVARD COUNTY AND TREASURE COAST.  
HIGHS REMAIN BELOW NORMAL INTO FRIDAY IN THE 60S TO LOW 70S AS WINDS  
ONLY GRADUALLY VEER TO THE NORTHEAST, WITH LOWS FRIDAY NIGHT IN THE  
50S, EXCEPT MID/UPPER 40S NORTHWEST OF I-4. DRY CONDITIONS WILL  
PREVAIL THROUGH LATE WEEK.  
 
SATURDAY-SUNDAY (PREVIOUS)...FORECAST DETAILS A LITTLE MORE  
UNCERTAIN INTO THE WEEKEND, AS DIFFERENCES IN THE MODELS WITH THE  
MID LEVEL PATTERN LEAD TO VARYING SOLUTIONS AT THE SURFACE.  
HOWEVER, OVERALL FORECAST LOOKS TO KEEP TEMPERATURES SLIGHTLY  
BELOW NORMAL IN THE MID TO UPPER 60S ACROSS NORTHERN HALF OF EAST  
CENTRAL FLORIDA AND LOW TO MID 70S ACROSS THE SOUTHERN HALF EACH  
DAY, WITH OVERNIGHT LOWS GENERALLY IN THE 50S, EXCEPT MID TO UPPER  
40S NORTHWEST OF I-4 INTO SUNDAY NIGHT. RAIN CHANCES INCREASE  
INTO THE WEEKEND, WITH THE GFS A LITTLE WETTER THAN THE ECMWF. FOR  
NOW FORECAST LEANS TOWARD THE NBM, WITH POPS NO HIGHER THAN 20-30  
PERCENT INTO THE WEEKEND.  
 
 
   
MARINE  
 
ISSUED AT 241 PM EST MON FEB 17 2025  
 
REST OF TODAY-TUESDAY...POOR BOATING CONDITIONS PERSIST THIS  
EVENING OVER THE GULF STREAM, WITH SEAS UP TO 6FT. CONDITIONS  
IMPROVE LATER TONIGHT AND TUESDAY, AS SEAS CONTINUE TO SUBSIDE.  
NNE WINDS VEERING E THROUGH TUESDAY NIGHT 15KTS OR LESS. SEAS  
3-5FT BY TOMORROW MORNING BECOMING 3-4FT TUESDAY NIGHT. MOSTLY  
DRY, THOUGH A FEW SHOWERS WILL BE POSSIBLE WELL SOUTH OF SEBASTIAN  
INLET IN THE AFTERNOON.  
 
WEDNESDAY-FRIDAY (PREVIOUS)...BOATING CONDITIONS DETERIORATE INTO  
WEDNESDAY AND THURSDAY WITH THE PASSAGE OF AN AREA OF LOW  
PRESSURE ACROSS NORTH FLORIDA THAT DRAGS ANOTHER COLD FRONT  
THROUGH THE AREA WEDNESDAY NIGHT. SOUTHERLY WINDS INCREASE TO  
15-20 KNOTS OFFSHORE WEDNESDAY AND THEN FORECASTING 15-20 KNOTS  
ACROSS ALL OF THE WATERS THURSDAY IN THE NORTHERLY FLOW BEHIND THE  
FRONT, BUILDING SEAS UP TO 6-8 FEET OVER THE GULF STREAM WATERS.  
POOR TO HAZARDOUS BOATING CONDITIONS THEN CONTINUE INTO FRIDAY,  
WITH WINDS ONLY SLOWLY DECREASING AS THEY VEER NORTHEAST, AND SEAS  
STILL UP TO 6-7 FEET OVER THE GULF STREAM.  
 
INCREASING SHOWERS AND A SLIGHT CHANCE FOR THUNDERSTORMS WILL  
EXIST ACROSS THE WATERS THROUGH WEDNESDAY/WEDNESDAY EVENING WITH  
THE PASSAGE OF LOW PRESSURE SYSTEM AND COLD FRONT. THEN DRIER  
CONDITIONS FORECAST INTO LATE WEEK.  
 
 
   
AVIATION  
 
(00Z TAFS)  
ISSUED AT 638 PM EST MON FEB 17 2025  
 
BREEZY NORTH WINDS HAVE MOSTLY SUBSIDED THIS EVENING, DROPPING BELOW  
10 KNOTS AT ALL TERMINALS. VFR CONDITIONS WILL PREVAIL OVERNIGHT,  
WITH GENERALLY NORTH WINDS AROUND 5 KNOTS. CLOUDS WILL BUILD IN FROM  
THE SOUTH AS MOISTURE RETURNS, WHICH COULD LEAD TO OCCASIONAL MVFR  
CIGS FOR THE TREASURE COAST TERMINALS AFTER 12Z. ELSEWHERE, VFR WILL  
PREVAIL THRU THE TAF PERIOD.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
DAB 50 71 59 76 / 0 0 10 70  
MCO 51 74 62 81 / 0 10 10 60  
MLB 57 74 64 82 / 0 10 10 50  
VRB 59 77 65 84 / 0 10 10 30  
LEE 47 73 59 77 / 0 0 10 70  
SFB 50 74 60 80 / 0 10 10 70  
ORL 51 74 62 80 / 0 10 10 60  
FPR 58 76 63 84 / 0 10 10 30  
 
 
   
MLB WATCHES/WARNINGS/ADVISORIES  
 
FL...NONE.  
AM...NONE.  
 
 
 
 
DISCUSSION...LEAHY  
AVIATION...SCHAPER  
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