199
FXUS62 KMLB 161900
AFDMLB
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
300 PM EDT FRI OCT 16 2026
..NEW KEY MESSAGES, DISCUSSION, MARINE
KEY MESSAGES
ISSUED AT 250 PM EDT FRI OCT 16 2026
- ROUNDS OF SHOWERS AND STORMS EXPECTED THIS AFTERNOON THROUGH
SATURDAY, BETWEEN A SUMMER-LIKE SEA BREEZE COLLISION TODAY, AND
A FRONT PUSHING THROUGH CENTRAL FLORIDA TOMORROW. DRIER
CONDITIONS BEHIND THE FRONT, BUT ONSHORE MOVING SHOWERS REMAIN
POSSIBLE.
- THERE IS POTENTIAL FOR BANDS OF HEAVY RAINFALL TO PRODUCE
FLOODING IN THE SOUTHERN COUNTIES, MAINLY COASTAL MARTIN, LATE
SATURDAY INTO SUNDAY. LOCALLY HIGH RAINFALL OF 2-4" IS POSSIBLE,
AND THERE IS A 1 IN 10 CHANCE FOR AMOUNTS IN EXCESS OF 6" IN
ONE OR TWO SPOTS LEADING TO FLASH FLOODING.
- BREEZY TO WINDY CONDITIONS DEVELOPING BEHIND THE FRONT WILL
PRODUCE MULTIPLE BEACH AND MARINE HAZARDS SATURDAY THAT ARE
FORECAST TO LINGER INTO MUCH OF NEXT WEEK, INCLUDING DANGEROUS
BOATING CONDITIONS, HIGH SURF, LIFE-THREATENING RIP CURRENTS,
AND MODERATE BEACH EROSION. RESIDENTS AND VISITORS SHOULD USE
CAUTION NEAR THE BEACH AND REMAIN OUT OF THE WATER BEGINNING
THIS WEEKEND.
DISCUSSION
ISSUED AT 250 PM EDT FRI OCT 16 2026
REST OF TODAY-TONIGHT...HIGH MOISTURE IN LIGHT SE-E FLOW UNDER
WEAK HIGH PRESSURE IS SUPPORTING ISOLATED TO WIDELY SCATTERED
SHOWERS AND LIGHTNING STORMS ON THE INLAND MOVING SEA BREEZE.
MODEST SW-S FLOW IN THE MID-LEVELS IS PRODUCING SOME TRAINING OF
HEAVY RAINFALL, AS WELL AS SLOW TO NEARLY STATIONARY MOVEMENT OF
INDIVIDUAL CELLS, WHICH COULD RESULT IN LOCALLY HIGH RAINFALL
AMOUNTS OF 2-4". DUE TO A COMBINATION OF SATURATED SOILS AND
POTENTIAL FOR HEAVY RAINFALL, MOST OF EAST CENTRAL FLORIDA REMAINS
OUTLOOK IN A MARGINAL (LEVEL 1 OF 4) RISK FOR EXCESSIVE RAINFALL
LEADING TO FLASH FLOODING. ONLY PORTIONS OF LAKE AND VOLUSIA
COUNTIES TO THE NORTH AREN'T INCLUDED. SOUNDINGS SHOW A TYPICAL
LATE WET SEASON PROFILE, WITH A NEARLY SATURATED ATMOSPHERE, WARM
MID-LEVELS, AND MODEST INSTABILITY. A COUPLE STORMS THAT MANAGED
TO FIND A MORE FAVORABLE ENVIRONMENT HAVE BEEN OBSERVED EARLY THIS
AFTERNOON, PRODUCING OCCASIONAL LIGHTNING STRIKES, AND OTHER
STORMS THAT MANAGE TO DEVELOP THE REST OF THE AFTERNOON AND
EVENING MAY PRODUCE MORE FREQUENT LIGHTNING AND WIND GUSTS UP TO
45 MPH. ACTIVITY WILL TREND INLAND WITH THE ATLANTIC BREEZE,
COLLIDING WITH THE GULF BREEZE OVER THE INTERIOR IN THE EVENING.
THIS ACTIVITY IS FORECAST TO WANDER BACK TOWARDS THE EAST COAST
THROUGH THE EARLY OVERNIGHT, GENERALLY DISSIPATING OR MOVING
OFFSHORE AFTER MIDNIGHT. MOSTLY DRY CONDITIONS THROUGH THE REST OF
THE NIGHT UNTIL THE NEXT FRONT ARRIVES SATURDAY MORNING.
TEMPERATURES WILL BE ABOVE NORMAL, RANGING FROM THE UPPER 80S
ALONG THE COAST TO UPPER 80S/LOW 90S INLAND. MORE HUMID CONDITIONS
TODAY WILL ALSO PRODUCE PEAK HEAT INDEX VALUES AROUND 98-102F.
WARM AND MUGGY CONDITIONS CONTINUE OVERNIGHT, WITH LOWS IN THE LOW
TO MID 70S.
SATURDAY-THURSDAY...PROLONGED BREEZY TO WINDY NORTHEASTERLY FLOW
WILL PRODUCE HAZARDOUS BEACH AND MARINE CONDITIONS THROUGH MUCH OF
THE COMING WEEK. THE PRESSURE GRADIENT TIGHTENS ACROSS THE
FLORIDA PENINSULA SATURDAY BETWEEN A COLD FRONT PUSHING THROUGH
THE AREA, HIGH PRESSURE BUILDING INTO THE EASTERN US BEHIND THE
FRONT, AND A DISTURBANCE DEVELOPING ON THE FRONT NEAR THE ATLANTIC
SEABOARD. THE FRONT STALLS OVER SOUTH FLORIDA TO THE STRAITS OF
FLORIDA SUNDAY, AS THE LOW PRESSURE SYSTEM BECOMES CUT OFF OVER
THE WESTERN ATLANTIC WATERS OFF THE EASTERN SEABOARD SEABOARD, AND
THE HIGH SETTLES NORTH AND WEST OF THE FRONT/LOW. THESE THREE
FEATURES ARE FORECAST TO MOVE VERY LITTLE THROUGH AT LEAST THE
FIRST HALF OF NEXT WEEK, KEEPING THE PRESSURE GRADIENT TIGHT AND
CONTINUING STRONG NORTHEASTERLY FLOW. THE GREATEST UNCERTAINTY IN
THE FORECAST LIES WITH POSITION AND STRENGTH OF THE DEVELOPING
LOW, WHICH MODELS ARE STILL WAFFLING ON, AND HAS RESULTED IN
FORECAST WINDS COMING DOWN A LITTLE FROM THE PREVIOUS PACKAGE.
HOWEVER, THIS IS JUST ONE MODEL CYCLE, AND NBM PROBABILITIES FOR
GUSTS APPROACHING WIND ADVISORY CRITERIA ALONG THE COAST REMAIN
MODERATE TO HIGH (40-70%) LATE SATURDAY INTO SUNDAY. THEREFORE
WILL CONTINUE TO MESSAGE SUSTAINED WIND SPEEDS COULD REACH 15-20
MPH INLAND, UP TO 20-25 MPH ALONG THE COAST, WITH GUSTS 30-35 MPH
POSSIBLE ACROSS MUCH OF THE AREA THE NEXT SEVERAL DAYS. GUSTS
COULD PUSH TO 40 MPH ALONG THE COASTAL CORRIDOR LATE SATURDAY
THROUGH SUNDAY, AND INTO MONDAY. THE PRESSURE GRADIENT IS FORECAST
TO LOOSEN A LITTLE GOING TOWARD MID-NEXT WEEK AS THE HIGH WEAKENS
AND THE LOW DRIFTS NORTH, ALLOWING WINDS TO EASE A BIT, BUT
CONDITIONS ARE FORECAST TO REMAIN BREEZE TO WINDY. THIS EXTENDED
PERIOD OF FRESH ONSHORE FLOW WILL PRODUCE ROUGH SURF, LARGE
BREAKING WAVES, AND A HIGH RISK OF LIFE-THREATENING RIP CURRENTS.
ENTERING THIS DANGEROUS WATER IS HIGHLY DISCOURAGED! LONG PERIOD
ONSHORE SWELLS WILL ALSO LIKELY CONTRIBUTE TO MODERATE BEACH
EROSION THROUGH MULTIPLE HIGH TIDE CYCLES. HIGH SURF ADVISORIES,
RIP CURRENT STATEMENTS, AND COASTAL FLOOD ADVISORIES WILL LIKELY
BE NEEDED IN UPCOMING FORECAST PACKAGES.
AS FOR RAIN CHANCES, THE PROSPECT FOR LIGHTNING STORMS ALONG AND
AHEAD OF THE FRONT SATURDAY MORNING FOR THE NORTHERN COUNTIES IS
DECREASING, BUT CAN'T BE COMPLETELY RULED OUT. BEST CHANCES REMAIN
IN THE SOUTHERN COUNTIES (TREASURE COAST TO OKEECHOBEE) WHERE
DAYTIME HEATING WILL BE ABLE TO DESTABILIZE BEFORE THE FRONT
ARRIVES. OVERALL RAIN CHANCES SATURDAY REFLECT THE STORM CHANCES,
LOWER (20-40%) ACROSS THE NORTH, AND HIGHER (50-80%) ACROSS THE
SOUTH. MODELS HAVE CONSISTENTLY SIGNALED POTENTIAL FOR MULTIPLE
ROUNDS OF HEAVY SHOWERS AND STORMS LATE SATURDAY INTO THE
OVERNIGHT ACROSS THE SOUTHERNMOST COUNTIES, MAINLY MARTIN, THAT
COULD PRODUCE LOCALLY HIGH RAINFALL AMOUNTS 2-4" LEADING TO
FLOODING, AND 1 IN 10 CHANCE OF AMOUNTS IN EXCESS OF 6" PRODUCING
FLASH FLOODING IN ONE OR TWO PLACES, ESPECIALLY GIVEN HOW
SATURATED SOILS ARE. THERE IS A SLIGHT (LEVEL 2 OF 4) FOR
EXCESSIVE RAINFALL FOR COASTAL MARTIN INTO SOUTHERN PORTIONS OF
COASTAL ST. LUCIE COUNTIES. OTHER CONVECTIVE HAZARDS WILL INCLUDE
OCCASIONAL TO FREQUENT LIGHTNING WHERE STORM MANAGE TO DEVELOP,
AND GUSTY WINDS TO AROUND 45 MPH.
DRIER AIR FILTERS IN BEHIND THE FRONT SUNDAY KNOCKING RAIN CHANCES
WAY DOWN, THOUGH SOME MOISTURE MAY LINGER ACROSS THE SOUTH
DEPENDING WHERE THE FRONT SETTLES. DESPITE THE DRIER AIR, THE
FRESH ONSHORE FLOW IS EXPECTED TO WHIP UP ISOLATED TO SCATTERED
LOW-TOP SHOWERS OVER THE ATLANTIC WATERS, SOME OF WHICH MAY MOVE
ONSHORE. THE REST OF THE FORECAST GENERALLY CONTINUES LOW (20-30%)
RAIN CHANCES ALONG THE COASTAL CORRIDOR, AND VERY LOW (LESS THAN
20%) CHANCES INLAND. MORE NOTICEABLE COOLING BEHIND THIS FRONT,
AS HIGH TEMPERATURES LOWER TO U70S-M80S SATURDAY, THEN M70S-L80S
SUNDAY, BEFORE GRADUALLY WARMING BACK UP THROUGH THE WORK WEEK.
LOWS DROP TO THE 60S-L70S, REACHING THE U50S IN THE USUALLY COOLER
NORTHERN AREAS, THROUGH MUCH OF THE WEEK.
MARINE
ISSUED AT 250 PM EDT FRI OCT 16 2026
REST OF TODAY-TONIGHT...GENERALLY FAVORABLE BOATING CONDITIONS
CONTINUE THROUGH TONIGHT BEFORE QUICKLY DETERIORATING THIS
WEEKEND. WEAK HIGH PRESSURE OVER THE WESTERN ATLANTIC AND THE
LOCAL AREA IS USHERED OFF EASTWARD AHEAD OF AN APPROACHING FRONT
AND FOLLOWING DEEP HIGH PRESSURE. LIGHT SSE-SE WINDS THIS MORNING
HAVE SHIFTED MORE ONSHORE FROM THE SEA BREEZE, BUT MAY BECOME
SQUIRRELLY AT TIMES, BEFORE SHIFTING OFFSHORE LATE TONIGHT AS THE
FRONT NEARS. SEAS 2-3 FT. ISOLATED TO SCATTERED SHOWERS AND
LIGHTNING STORMS ARE FORECAST TO DEVELOP NEAR THE COAST AND
INLAND, THEN PUSH OFFSHORE LATE THIS EVENING INTO TONIGHT.
SATURDAY-TUESDAY...BOATING CONDITIONS RAPIDLY BECOME HAZARDOUS TO
DANGEROUS SATURDAY, AND ARE FORECAST TO CONTINUE INTO NEXT WEEK.
THE PRESSURE GRADIENT WILL TIGHTEN ACROSS CENTRAL FLORIDA AND THE
LOCAL ATLANTIC WATERS SATURDAY BETWEEN A COLD FRONT PUSHING SOUTH
AND DEEP HIGH PRESSURE OVER THE EASTERN US, AND IS FORECAST TO
REMAIN TIGHT INTO THE FIRST HALF OF NEXT WEEK AS LOW PRESSURE
SYSTEM DEVELOPS OFF THE EASTERN SEABOARD. WINDS 20-30 KTS WITH
OCCASIONAL TO FREQUENT GUSTS TO GALE FORCE FROM THE N-NE SPREAD
SOUTHWARD THROUGH SATURDAY BEHIND THE FRONT, OVERSPREADING THE
WATERS BY LATE SATURDAY INTO SUNDAY. GALE WATCHES FOR THE VOLUSIA
AND SPACE COAST WATERS HAVE BEEN UPGRADED TO GALE WARNINGS FOR
FREQUENT GUSTS TO GALE FORCE. CONFIDENCE THE TREASURE COAST WATERS
WILL REACH FREQUENT GUSTS TO GALE HAS DECREASED THIS FORECAST
PACKAGE, AND WILL CONTINUE WITH SMALL CRAFT ADVISORIES FOR NOW,
BUT UPGRADES TO GALE WATCH OR WARNING MAY BE NEEDED IF FUTURE
FORECASTS TREND UP. A STRONG NE BREEZE AND OCCASIONAL TO FREQUENT
GUSTS TO GALE FORCE ARE FORECAST TO PERSIST INTO AT LEAST MONDAY.
SEAS ALSO QUICKLY BUILD BEHIND THE WIND SURGE TO 5-10 FT NORTH OF
SEBASTIAN INLET BY SATURDAY EVENING, UP TO 10-15 FT SUNDAY
EVENING. WINDS AND SEAS ARE FORECAST TO SETTLE A LITTLE TOWARDS
MID-WEEK, BUT REMAIN AT LEAST ADVISORY LEVEL.
REPEATED ROUNDS OF SCATTERED TO NUMEROUS SHOWERS AND STORMS WILL
CONTINUE INTO SATURDAY, ESPECIALLY ACROSS THE SOUTHERN WATERS. THE
STRONG ONSHORE FLOW WILL BE ABLE TO WHIP UP ISOLATED TO SCATTERED
SHOWERS NEXT WEEK, BUT LIGHTNING STORM CHANCES VERY LOW.
AVIATION
(18Z TAFS)
ISSUED AT 130 PM EDT FRI OCT 16 2026
INCREASING COVERAGE OF SHOWERS AND STORMS THROUGH TODAY, WITH VCSH
AND VCTS AT ALL TERMINALS THROUGH THIS AFTERNOON. TEMPOS AND
PROB30S AT ALL SITES EXCEPT LEE AND DAB FOR VIS AND CIG REDUCTIONS
DUE TO TSRA, GENERALLY BETWEEN 18-21Z ALONG THE COAST AND 20-23Z
ACROSS THE INTERIOR. LIGHT AND VARIABLE WINDS THROUGH THE
OVERNIGHT HOURS WITH SOME LINGERING VCSH POSSIBLE THROUGH 02-04Z.
SATURDAY, A COLD FRONT APPROACHES EAST CENTRAL FLORIDA, WITH VCSH
RETURNING TO LEE AFTER 09Z, EXPANDING TO THE OTHER TERMINALS
THROUGH THE MORNING HOURS. LOWER CONFIDENCE IN VCTS, BUT WILL
CONTINUE TO MONITOR. WINDS VEER TO OUT OF THE NORTH AT 10-12 KNOTS
GENERALLY AFTER 15Z WITH ONGOING VCSH AREAWIDE.
PRELIMINARY POINT TEMPS/POPS
DAB 71 78 65 74 / 20 30 10 20
MCO 73 80 65 77 / 50 40 10 10
MLB 73 82 69 79 / 50 50 30 20
VRB 73 84 70 81 / 40 70 50 20
LEE 72 78 61 75 / 30 40 0 10
SFB 72 79 64 76 / 30 40 10 10
ORL 74 80 65 76 / 50 40 10 10
FPR 72 83 70 80 / 40 70 60 20
MLB WATCHES/WARNINGS/ADVISORIES
FL...NONE.
AM...GALE WARNING FROM 11 AM SATURDAY TO 2 AM EDT MONDAY FOR AMZ550-
570.
GALE WARNING FROM 2 PM SATURDAY TO 2 AM EDT MONDAY FOR AMZ552-
572.
SMALL CRAFT ADVISORY FROM 4 PM SATURDAY TO 2 AM EDT MONDAY FOR
AMZ555-575.
DISCUSSION...HALEY
AVIATION...TOLLEFSEN
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