575  
FXUS62 KMLB 131800  
AFDMLB  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MELBOURNE FL  
200 PM EDT SAT SEP 13 2025  
   
..NEW AVIATION  
 
   
KEY MESSAGES  
 
ISSUED AT 312 AM EDT SAT SEP 13 2025  
 
- SCATTERED SHOWERS AND STORMS WILL CONTINUE TODAY, WITH RAIN  
CHANCES GRADUALLY DECREASING LATE WEEKEND INTO EARLY NEXT WEEK.  
 
- GUSTY TO BREEZY CONDITIONS ARE EXPECTED ACROSS MUCH THE AREA  
TODAY, WITH WINDY CONDITIONS LIKELY ALONG THE VOLUSIA COUNTY  
COAST.  
 
- POOR TO HAZARDOUS BOATING CONDITIONS EXPECTED ACROSS THE  
VOLUSIA COUNTY AND OFFSHORE BREVARD COUNTY WATERS TODAY. A HIGH  
RISK FOR RIP CURRENTS CONTINUES AT AREA BEACHES.  
 
 
   
PREVIOUS DISCUSSION  
 
ISSUED AT 312 AM EDT SAT SEP 13 2025  
 
TODAY-SUNDAY...CENTRAL FLORIDA WILL BE BETWEEN A STALLED FRONT  
SOUTH OF THE AREA AND HIGH PRESSURE ALONG THE EASTERN U.S., WHICH  
WILL KEEP A NORTHERLY FLOW ACROSS THE AREA. TIGHTER PRESSURE  
GRADIENT BETWEEN THESE FEATURES WILL ALLOW WIND SPEEDS TO INCREASE  
AND BECOME BREEZY, ESPECIALLY NORTH OF OKEECHOBEE COUNTY AND THE  
TREASURE COAST THIS AFTERNOON, WITH SPEEDS UP TO 15-20 MPH AND  
GUSTS TO 25-30 MPH. HOWEVER, WINDY CONDITIONS WILL BE LIKELY ALONG  
THE VOLUSIA COUNTY COAST, WITH SUSTAINED SPEEDS OF 20-25 MPH AND  
GUSTS AT TIMES UP TO 30-35 MPH. WINDS LOOK TO NOT BE AS BREEZY  
SUNDAY, BUT WILL STILL BE GUSTY ALONG THE VOLUSIA COUNTY COAST  
INTO THE AFTERNOON.  
 
TROUGH DIGGING INTO FLORIDA ALOFT WILL PUSH DEEPER MOISTURE TO THE  
SOUTHEAST OF CENTRAL FLORIDA, WITH DRIER AIR MOVING INTO THE  
REGION. PW VALUES FALL TO 1.4-1.7" TODAY AND 1.3-1.5" ON SUNDAY.  
THIS WILL LEAD TO LOWERING RAIN CHANCES THROUGH THE WEEKEND, BUT  
SCATTERED SHOWERS AND ISOLATED TO SCATTERED STORMS WILL STILL BE  
POSSIBLE. THIS ACTIVITY WILL BE ABLE TO PUSH ONSHORE ALONG THE  
COAST, WITH ADDITIONAL DEVELOPMENT INLAND, MAINLY DURING THE  
AFTERNOON/EARLY EVENING HOURS. RAIN CHANCES TODAY WILL RANGE FROM  
40-50 PERCENT ACROSS MUCH OF THE AREA, EXCEPT 60 PERCENT ALONG THE  
SOUTHERN TREASURE COAST, AND THEN LOWER TO 30-50 PERCENT SUNDAY.  
NORTHERLY FLOW WILL KEEP HIGHS SLIGHTLY BELOW NORMAL, IN THE MID  
TO UPPER 80S. OVERNIGHT LOWS WILL MOSTLY BE IN THE LOW 70S, BUT  
MAY SEE SOME UPPER 60S NORTHWEST OF I-4.  
 
HIGH ASTRONOMICAL TIDES AND INCREASING N/NE WINDS WILL CONTINUE TO  
CAUSE WAVE RUNUP TO NEAR THE DUNE LINE DURING THE EARLY AFTERNOON  
HIGH TIDES THROUGH THE WEEKEND, ESPECIALLY NORTH OF THE CAPE.  
A HIGH RISK OF RIP CURRENTS ALSO CONTINUES TODAY AND MAY LINGER  
THROUGH SUNDAY.  
 
MONDAY-FRIDAY...A LITTLE BETTER AGREEMENT IN THE MODELS SHOWING A  
CUTOFF LOW DEVELOPING IN THE BASE OF THE TROUGH ALOFT, BUT EXACT  
EVOLUTION, POSITION AND MOVEMENT OF THIS FEATURE STILL DIFFERS. THIS  
FEATURE SHOULD LEAD TO LOW PRESSURE DEVELOPMENT ALONG THE FRONTAL  
BOUNDARY OFF THE SOUTHEAST U.S COAST FROM LATE WEEKEND INTO EARLY  
NEXT WEEK, BUT THE GFS IS STILL FARTHER EAST WITH THIS LOW THAN THE  
ECMWF. HOWEVER, THE ECWMF IS NOT AS CLOSE WITH THIS LOW TO THE EAST  
COAST OF FLORIDA AS IT WAS SHOWING 24 HOURS AGO, SO A TIGHTENING  
OF THE PRESSURE GRADIENT ACROSS THE AREA LOOKS LESS LIKELY, AND  
FORECAST REFLECTS THIS WITH NORTH-NORTHEAST WINDS NO MORE THAN  
10-15 MPH MONDAY-TUESDAY.  
 
DRIER AIR CONTINUES TO BUILD INTO THE AREA EARLY IN THE WEEK, WITH  
RAIN CHANCES CONTINUING TO DECREASE INTO EARLY NEXT WEEK, AND  
REMAINING BELOW NORMAL AROUND 30-40 PERCENT MONDAY AND 20-30 PERCENT  
FOR MUCH OF THE AREA TUESDAY. BY MIDWEEK, LOW EAST OF THE AREA  
EITHER WEAKENS OR LIFTS NORTHEAST AND CUTOFF LOW ALOFT ALSO  
TRANSITIONS N/NE. LOW TO MID LEVEL FLOW WILL VEER TO THE E/SE  
THROUGH MID TO LATE WEEK AND ALLOW FOR DEEPER MOISTURE TO GRADUALLY  
BUILD BACK NORTHWARD ACROSS THE AREA, WITH SHOWER AND STORM CHANCES  
ONCE AGAIN INCREASING UP TO 50-70 PERCENT BY THURSDAY-FRIDAY. HIGHS  
WILL CONTINUE IN THE MID TO UPPER 80S THROUGH NEXT WEEK, WITH LOWS  
GENERALLY IN THE LOW TO MID 70S.  
 
 
   
MARINE  
 
ISSUED AT 312 AM EDT SAT SEP 13 2025  
 
TODAY-TONIGHT...POOR TO HAZARDOUS BOATING CONDITIONS WILL EXIST  
TODAY ACROSS THE VOLUSIA COUNTY AND OFFSHORE WATERS OF BREVARD  
COUNTY TODAY. NORTH OF THE CAPE, N/NE WINDS WILL INCREASE TO 15-25  
KNOTS, WITH STRONGEST WINDS ACROSS THE NEARSHORE VOLUSIA COUNTY  
WATERS DURING THE AFTERNOON/EARLY EVENING HOURS. THIS WILL BUILD  
SEAS UP TO 6-7 FEET. A SMALL CRAFT ADVISORY HAS BEEN ISSUED FOR THE  
VOLUSIA COUNTY WATERS WHERE STRONGEST WINDS/HIGHEST SEAS ARE  
FORECAST. SMALL CRAFT WILL NEED TO EXERCISE CAUTION ACROSS THE  
OFFSHORE WATERS OF BREVARD COUNTY TODAY FOR BUILDING SEAS UP TO 6  
FEET.  
 
FOR THE NEARSHORE WATERS OF BREVARD COUNTY AND ACROSS THE TREASURE  
COAST WATERS, NORTHERLY WINDS AROUND 10-15 KNOTS ARE FORECAST, WITH  
SEAS 3-5 FEET. N/NE WINDS DIMINISH INTO TONIGHT, WITH SEAS SUBSIDING  
SLIGHTLY. HOWEVER, WIND SPEEDS MAY STILL REMAIN AROUND 15-20 KNOTS  
ACROSS THE NEARSHORE VOLUSIA COUNTY WATERS, WITH LINGERING SEAS UP  
TO 6 FEET NORTH OF THE CAPE. SCATTERED SHOWERS AND STORMS WILL  
CONTINUE ACROSS THE COASTAL WATERS TODAY INTO TONIGHT.  
 
SUNDAY-WEDNESDAY...N/NE WINDS CONTINUE TOMORROW INTO EARLY NEXT  
WEEK, WITH FRONT STALLED SOUTH OF FLORIDA, HIGH PRESSURE ACROSS THE  
EASTERN U.S., AND POTENTIAL LOW PRESSURE DEVELOPING OFF THE  
SOUTHEAST U.S. COAST. POOR BOATING CONDITIONS ARE FORECAST TO  
REDEVELOP ACROSS THE NEARSHORE VOLUSIA COUNTY WATERS SUNDAY AS WIND  
SPEEDS INCREASE BACK TO 15-20 KNOTS, ESPECIALLY DURING THE AFTERNOON  
HOURS. OTHERWISE, WIND SPEEDS WILL BE GENERALLY LESS THAN 15 KNOTS.  
WINDS WILL GRADUALLY VEER TO THE E/NE THROUGH MID WEEK, WITH WIND  
SPEEDS REMAINING BELOW 15 KNOTS. SEAS 3-5 FEET SUNDAY FALL TO 3-4  
FEET MONDAY, BUT THEN BUILD BACK TO 3-5 FEET TUESDAY-WEDNESDAY.  
COVERAGE OF SHOWERS AND STORMS ARE FORECAST TO GRADUALLY DECREASE  
ACROSS THE WATERS LATE WEEKEND INTO EARLY NEXT WEEK AS DRIER AIR  
BUILDS INTO THE AREA, BUT SCATTERED SHOWERS AND OCCASIONAL STORMS  
WILL STILL BE POSSIBLE.  
 
 
   
AVIATION  
 
(18Z TAFS)  
ISSUED AT 154 PM EDT SAT SEP 13 2025  
 
ISOLATED TO SCATTERD SHOWERS HAVE DEVELOPED ACROSS NORTHERN  
PORTIONS OF THE AREA EARLY THIS AFTERNOON. TIMING AND COVERAGE  
THROUGH THE REST OF THE DAY REMAIN UNCERTAIN, AS MODELS STRUGGLE  
WITH ONSHORE-MOVING CONVECTION. THUS, HAVE MAINTAINED VCSH ACROSS  
THE AREA THROUGH AT LEAST 0Z, THOUGH BRIEF MVFR CIGS/VIS WILL BE  
POSSIBLE IN ANY HEAVIER SHOWERS. ISOLATED TS ALSO CANNOT BE RULED  
OUT. SHOWERS MAY CONTINUE ALONG THE COAST OVERNIGHT, WITH  
ADDITIONAL SHOWERS POSSIBLE OVER THE INTERIOR SUNDAY AFTERNOON.  
 
BREEZY TO GUSTY WINDS, ESPECIALLY FROM AROUND ISM/MCO/TIX  
NORTHWARD. THE STRONGEST WINDS WILL CONTINUE TO BE AROUND DAB,  
WITH SUSTAINED WINDS AROUND 15 KTS AND GUSTS TO 25 KTS. LOCALLY  
ENHANCED WIND GUSTS IN SHOWERS WILL BE POSSIBLE. ELSEWHERE, WINDS  
10-15 KTS AND GUSTS 20-25 KTS. ALONG THE COAST FROM MLB  
SOUTHWARD, NORTH-NORTHEAST WINDS ARE FORECAST TO REMAIN AROUND 10  
KTS. WINDS WILL REMAIN ELEVATED INTO THE EVENING HOURS FOR  
MCO/SFB/DAB, BEFORE DIMINISHING INTO THE OVERNIGHT. NORTHEAST  
WINDS CONTINUE SUNDAY, THOUGH A LITTLE LESS GUSTY.  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
DAB 72 84 71 85 / 40 40 20 30  
MCO 71 87 70 88 / 20 40 10 30  
MLB 73 86 73 86 / 30 40 20 30  
VRB 71 87 72 87 / 30 30 20 30  
LEE 70 87 69 88 / 10 30 10 20  
SFB 71 86 70 87 / 30 40 20 30  
ORL 71 86 71 88 / 20 40 10 30  
FPR 70 87 71 88 / 30 40 20 30  
 
 
   
MLB WATCHES/WARNINGS/ADVISORIES  
 
FL...NONE.  
AM...SMALL CRAFT ADVISORY UNTIL 10 PM EDT THIS EVENING FOR AMZ550-570.  
 
 
 
 
 
DISCUSSION...WEITLICH  
AVIATION...LEAHY  
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