290  
FXUS64 KLIX 142319  
AFDLIX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NEW ORLEANS LA  
619 PM CDT SUN SEP 14 2025  
   
..NEW AVIATION
 
 
   
SHORT TERM
 
 
(THIS AFTERNOON THROUGH MONDAY NIGHT)  
ISSUED AT 1258 PM CDT SUN SEP 14 2025  
 
THIS PATTERN IS ENOUGH TO MAKE ANYONE FEEL LIKE A BROKEN RECORD.  
THE OVERALL UPPER PATTERN WILL REMAIN PERSISTENT WITH HIGH  
PRESSURE DOMINATING THE MIDDLE PART OF THE COUNTRY AND A LONG WAVE  
TROUGH EXTENDING ALONG THE EAST COAST. THE UPPER HIGH WILL  
CONTINUE TO SUPPRESS CONVECTION ACROSS THE LOCAL AREA. EXPECT TO  
SEE NEAR NORMAL LOWS, WARMER THAN NORMAL HIGHS, AND NO SIGNIFICANT  
RAIN CHANCES. WILL MENTION THAT SIMILAR TO YESTERDAY, ONE OR TWO  
ISOLATED SHOWERS WILL BE POSSIBLE IN THE LATE AFTERNOON, BUT  
CHANCE OF RAIN AT ANY INDIVIDUAL LOCATION IS VERY LOW (LESS THAN  
5%) AND WILL NOT BE CARRIED IN THE FORECAST.  
 
ONLY REAL FORECAST CHALLENGE CONTINUES TO BE THE TIDAL SITUATION,  
WITH THE SPRING TIDE CYCLE PEAKING DURING TONIGHT'S HIGH TIDE.  
PROBABILISTIC GUIDANCE HAS FINALLY COME INTO LINE WITH WHAT WE'VE  
BEEN SEEING IN OBSERVATIONS, AND FOR THE MOST PART IS NO LONGER  
INDICATING WATER LEVELS THAT EXCEED FLOOD STAGE. THE ONE  
EXCEPTION IS THE PORT FOURCHON GAUGE WHERE THE GUIDANCE IS STILL  
INDICATING A LARGER TIDE ANOMALY. LAST NIGHT'S TIDE PEAKED AT 1 FT  
MHHW, WHICH IS SLIGHTLY ABOVE THE FLOOD STAGE. GIVEN THE LACK OF  
STRONG OR PERSISTENT ONSHORE FLOW AND OBSERVATIONAL TRENDS OVER  
THE LAST SEVERAL DAYS, THIS FORECAST STILL SEEMS OVERDONE. EXPECT  
TO SEE TIDE LEVELS SIMILAR TO LAST NIGHT, MAYBE AN INCH OR TWO  
HIGHER. ANY IMPACT SHOULD BE VERY MINOR AND LIMITED TO THE LOWEST  
LYING SECTIONS OF ROAD, MAINLY ALONG HWY 315 SOUTH OF HOUMA. THAT  
BEING SAID, WILL ONCE AGAIN HOLD OFF ON ISSUING A COASTAL FLOOD  
ADVISORY. AFTER TONIGHT'S HIGH TIDE CYCLE, TIDES SHOULD BEGIN TO  
DECREASE BY A COUPLE INCHES EACH CYCLE.  
 

 
   
LONG TERM
 
 
(TUESDAY THROUGH SATURDAY)  
ISSUED AT 1258 PM CDT SUN SEP 14 2025  
 
STILL LOOKING AT BASICALLY A PERSISTENCE FORECAST THROUGH MIDWEEK  
AS A CLOSED LOW DEVELOPS IN THE BASE OF THE EAST COAST TROUGH AND  
ELONGATED RIDGING REMAINS ROUGHLY IN PLACE ACROSS THE MIDDLE PART  
OF THE COUNTRY. OUTSIDE OF A STRAY SHOWER OR STORM, NO SIGNIFICANT  
WEATHER TO SPEAK OF WITH NEAR NORMAL LOWS AND WARMER THAN NORMAL  
HIGHS.  
 
BEYOND WEDNESDAY THE UPPER PATTERN WILL SHIFT AS ANOTHER  
TROUGH/LOW DIGS INTO THE CENTRAL CONUS, WEAKENING THE HIGH  
PRESSURE AND SHUNTING IT SOUTHWESTWARD. THIS WILL RESULT IN WEAK  
TROUGHING ACROSS THE LOCAL AREA IN THE UPPER LEVELS, BUT WITH THE  
BEST FORCING WELL NORTH OF THE LOCAL AREA, WE'LL STILL ONLY BE  
LOOKING AT ISOLATED COVERAGE FOR SHOWERS AND STORMS THURSDAY  
THROUGH SATURDAY.  
 

 
   
AVIATION
 
 
(00Z TAFS)  
ISSUED AT 617 PM CDT SUN SEP 14 2025  
 
VFR CONDITIONS CONTINUE TO PREVAIL. HIGH PRESSURE DOMINATES BOTH  
AT THE SURFACE AND ALOFT. THIS WILL CONTINUE TO LEAD TO RATHER  
LIGHT WINDS WITH NO CONCERNS OF LLWS AND LITTLE TO NO CONVECTION  
WITH MAINLY JUST SOME OVERNIGHT CIRRUS. /CAB/  
 

 
   
MARINE
 
 
ISSUED AT 1258 PM CDT SUN SEP 14 2025  
BENIGN CONDITIONS CAN BE EXPECTED ACROSS THE WATERS AS WEAK  
HIGH PRESSURE REMAINS IN CONTROL THROUGH THE FIRST HALF OF THE  
WORK WEEK. WINDS WILL BE FAIRLY LIGHT WITH GENERALLY A EASTERLY  
COMPONENT OVER THE WATERS. THE INNER WATERS, SOUNDS, AND TIDAL  
LAKES WILL CONTINUE TO BE INFLUENCED BY DAILY FLUCTUATIONS FROM  
SEA/LAKE BREEZE TO LAND BREEZE. WAVES AND SEAS WILL GENERALLY BE  
IN THE 1-2 FT FOR NEARSHORE AND PROTECTED WATERS WITH 2-4 FT IN  
THE OUTER WATERS.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
MCB 68 91 68 90 / 0 10 0 10  
BTR 70 93 70 93 / 0 10 0 10  
ASD 68 90 67 90 / 0 0 0 0  
MSY 73 92 74 92 / 0 0 0 0  
GPT 70 90 70 89 / 0 0 0 0  
PQL 66 90 65 90 / 0 0 0 0  
 

 
   
LIX WATCHES/WARNINGS/ADVISORIES
 
 
LA...NONE.  
GM...NONE.  
MS...NONE.  
GM...NONE.  

 
 

 
 
SHORT TERM...DM  
LONG TERM....DM  
AVIATION...CAB  
MARINE...DM  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab LA Page
The Nexlab MS Page Main Text Page