039  
FXUS61 KOKX 160851  
AFDOKX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NEW YORK NY  
451 AM EDT SAT MAY 16 2026  
   
WHAT HAS CHANGED  
 
NO SIGNIFICANT CHANGES.  
 
 
   
KEY MESSAGES  
 
1) SUMMER-LIKE WARMTH BUILDS THIS WEEKEND INTO WEDNESDAY.  
 
2) AN APPROACHING COLD FRONT WILL BRING SHOWERS AND THUNDERSTORMS  
TO THE THE AREA LATE WEDNESDAY. MORE SEASONABLE WEATHER TO  
FOLLOW BEHIND THE COLD FRONT FOR THE END OF THE WEEK.  
 
2) COLD WATER SAFETY CONCERNS FOR THIS WEEKEND WITH GOOD  
BOATING WEATHER, AND WATER TEMPS STILL IN THE LOWER 50S.  
 
 
   
DISCUSSION  
   
KEY MESSAGE 1  
 
A NEARLY ZONAL FLOW ALOFT TODAY WILL BE FOLLOWED BY SIGNIFICANT  
HEIGHT RISES ALONG THE EASTERN SEABOARD SUNDAY THROUGH TUESDAY.  
BY MONDAY NIGHT, 50H ANOMALIES WILL BE ON THE ORDER OF 2 TO 3  
STANDARD DEVIATIONS ABOVE NORMAL. WHAT THIS ALL MEANS IS MUCH  
WARMER WEATHER THIS WEEKEND, BUT THE HOTTEST DAYS ARE FORECAST  
TO BE TUESDAY AND WEDNESDAY. FOR THESE DAYS, TEMPERATURES WILL  
BE ABOUT 15 TO 25 DEGREES ABOVE NORMAL. HIGHS WILL GET INTO THE  
UPPER 80S TO AS HIGH AS 95 AWAY FROM THE IMMEDIATE COAST. THE  
WARMEST READINGS WILL BE NORTH AND WEST OF NYC AND INTERIOR  
SOUTHER CT. GUSTY SW-S WINDS BOTH OF THESE DAYS WILL BRING IN  
COOLER MARITIME AIR IN ALONG THE COAST, ESPECIALLY ACROSS THE  
SOUTH SHORE OF LI.  
 
FOR THIS WEEKEND, HIGHS ON SATURDAY WILL BE IN THE 70S TO LOWER  
80S, THEN INTO THE 80S, POSSIBLY 90 SUNDAY.  
 
MONDAY POSES A BIT OF AN ANOMALY DURING THIS PERIOD, AS A BACKDOOR  
COLD FRONT PASSING THROUGH THE AREA SUNDAY NIGHT WILL LEAD TO  
MORE OF A MARINE INFLUENCE WITH SE WINDS. MANY LOCATIONS WILL  
SEE HIGHS FALL OFF 5 TO 10 DEGREES WITH THE POSSIBLE EXCEPTION  
BEING LOCATIONS WELL NORTH AND WEST OF NYC. A PASSING SHORTWAVE  
TROUGH AND STRENGTHENING CONFLUENT FLOW ACROSS EASTERN CANADA  
AND INTO THE NORTHEAST SUNDAY NIGHT LOOK TO BE JUST ENOUGH TO  
GET THE FRONT AS FAR NE NJ AND EASTERN PORTIONS OF THE LOWER  
HUDSON VALLEY. THE FRONT QUICKLY RETURNS TO THE NORTH AS A WARM  
FRONT MONDAY NIGHT. THE S/SW FLOW IN THE WARM SECTOR TUESDAY AND  
WEDNESDAY WILL BRING THE HOTTEST DAYS AS PREVIOUSLY MENTIONED.  
HEAT INDEX VALUES COULD APPROACH 95 IN SPOTS AWAY FROM THE  
COAST.  
 
NBM HIGH TEMPERATURES WERE KNOCKED DOWN SOME BASED ON A NOTED  
WARM BIAS EARLY IN THE WARM SEASON.  
 
EXPECT MAINLY DRY CONDITIONS WITH AN ISOLATED SHOWER AND/OR  
SPRINKLE TONIGHT WITH THE PASSAGE OF SHORTWAVE TROUGH. THERE  
COULD ALSO BE AN ISOLATED LATE DAY THUNDERSTORM NORTH AND WEST  
OF NYC MONDAY AND TUESDAY AFTERNOON/EVENING.  
   
KEY MESSAGE 2  
 
A POSITIVELY TILTED UPPER TROUGH BUILDS IN FROM THE NW MID TO  
LATE WEEK SENDING A COLD FRONT ACROSS THE AREA WEDNESDAY NIGHT  
INTO THURSDAY. THE BOUNDARY LOOKS TO BE ACTIVE WITH SCATTERED  
TO NUMEROUS SHOWERS AND THUNDERSTORMS. MORE SEASONABLE  
TEMPERATURES ARE FORECAST FOR THE END OF THE WEEK. NBM DOES  
MAINTAIN A SLIGHT CHANCE OF SHOWERS AS THERE ARE SOME  
DIFFERENCES IN THE PROGRESSION OF THE SYSTEM. THE 00Z GFS,  
AIGFS, AND EC-AIFS ARE SLOWER WITH POTENTIAL WAVE DEVELOPMENT  
ALONG THE FRONT.  
   
KEY MESSAGE 3  
 
THERE ARE COLD WATER SAFETY CONCERNS THIS WEEKEND AS WATER  
TEMPERATURES REMAIN IN THE LOWER 50S. THE COLD WATER  
TEMPERATURES CAN QUICKLY CAUSE HYPOTHERMIA AND PHYSICAL  
INCAPACITATION TO ANYONE SUDDENLY IMMERSED IN THE WATER.  
ANYONE GOING OUT ON SMALL BOATS, CANOES OR KAYAKS SHOULD  
PLAN ACCORDINGLY AND USE EXTREME CAUTION TO AVOID THIS THREAT.  
 
 
   
AVIATION /09Z SATURDAY THROUGH WEDNESDAY/  
 
HIGH PRESSURE BUILDS SOUTH OF THE REGION.  
 
VFR CONDITIONS ARE EXPECTED THROUGH THE TAF PERIOD. THE ONLY  
EXCEPTION IS AT KGON WHERE SOME FOG HAS DEVELOPED. ANY FOG IS  
EXPECTED TO DISSIPATE SHORTLY AFTER SUNRISE.  
 
LIGHT AND VARIABLE FLOW WILL BECOME LIGHT SW TOWARDS DAYBREAK.  
SW WINDS INCREASE THROUGH THE MORNING, WITH S/SW GUSTS TO 25 KT  
BY EARLY AFTERNOON. GUSTS TO 30KT POSSIBLE FOR JFK AND KISP IN  
THE LATE AFTERNOON/EARLY EVENING. WINDS GRADUALLY DIMINISH AFTER  
00Z.  
 
...NY METRO (KEWR/KLGA/KJFK/KTEB) TAF UNCERTAINTY...  
 
S/SW GUSTS 25 TO 30 KT LIKELY FOR THE LATE AFT/EARLY EVE PUSH.  
   
OUTLOOK FOR 06Z SATURDAY THROUGH WEDNESDAY  
 
SATURDAY NIGHT: VFR. S/SW WINDS SUBSIDING TO 5 TO 10KT.  
ISOLATED SHRA POTENTIAL SAT NIGHT.  
 
SUNDAY: VFR. W/SW WINDS 10-15G20KT, GIVING WAY TO LATE  
AFTERNOON SEABREEZE FOR SOUTH COASTAL TERMINALS.  
 
MONDAY: VFR. SE WINDS 10-15G20KT.  
 
TUESDAY: VFR. S/SW WINDS 10-20G25KT. ISOLATED TSRA POTENTIAL  
LATE MONDAY AFT/EVE, MAINLY WEST OF HUDSON TERMINALS.  
 
WEDNESDAY: VFR, GIVING WAY TO POSSIBLE MVFR OR LOWER IN  
SCATTERED SHRA/TSRA IN THE LATE AFTERNOON/EVENING. S/SW WINDS  
15-20G25-30KT. NW WINDSHIFT IN THE EVENING.  
 
DETAILED INFORMATION, INCLUDING HOURLY TAF WIND COMPONENT FORECASTS,  
CAN BE FOUND AT: HTTPS:/WWW.WEATHER.GOV/ZNY/N90  
 
 
   
MARINE  
 
A SCA WILL GO INTO EFFECT FOR THE OCEAN, SOUTH SHORE BAYS, AND  
NY HARBOR THIS AFTERNOON.  
 
A STRENGTHENING SOUTHERLY FLOW TODAY WILL BRING A RETURN TO SCA  
CONDITIONS ON THE OCEAN THIS AFTERNOON/EARLY EVENING, AS WELL  
AS LOWER NY HARBOR AND SOUTH SHORE BAYS OF W LI. OCCASIONAL 25  
KT ARE ALSO A POSSIBILITY THIS EVENING ACROSS THE EASTERN BAYS  
AND EASTERN SOUND, BUT THIS LOOKS TO BE FOR A REAL SHORT  
PERIOD. WINDS WILL GRADUALLY SUBSIDE THE SECOND HALF OF SATURDAY  
NIGHT INTO SUNDAY. HOWEVER, OCEAN SEAS COULD LINGER AROUND 5 FT  
FOR MUCH OF SUNDAY WITH RESIDUAL S SWELL.  
 
THERE ARE COLD WATER SAFETY CONCERNS THIS WEEKEND AS WATER  
TEMPERATURES REMAIN IN THE LOWER 50S. THE COLD WATER TEMPERATURES  
CAN QUICKLY CAUSE HYPOTHERMIA AND PHYSICAL INCAPACITATION TO ANYONE  
SUDDENLY IMMERSED IN THE WATER. ANYONE GOING OUT ON SMALL BOATS,  
CANOES OR KAYAKS SHOULD PLAN ACCORDINGLY AND USE EXTREME CAUTION TO  
AVOID THIS THREAT.  
 
SUB-SCA CONDITIONS ARE ANTICIPATED SUNDAY NIGHT THROUGH MONDAY NIGHT  
AS FLOW TEMPORARILY WEAKENS UNDER HIGH PRESSURE. SCA CONDITIONS  
LIKELY REDEVELOP ON THE OCEAN WATER TUE INTO TUE NIGHT WITH  
STRENGTHENING SW FLOW, POTENTIALLY FOR ALL WATERS BY WEDNESDAY.  
 
 
   
OKX WATCHES/WARNINGS/ADVISORIES  
 
CT...NONE.  
NY...NONE.  
NJ...NONE.  
MARINE...SMALL CRAFT ADVISORY FROM 2 PM THIS AFTERNOON TO 11 PM EDT  
THIS EVENING FOR ANZ338-345.  
SMALL CRAFT ADVISORY FROM 2 PM THIS AFTERNOON TO 8 PM EDT  
SUNDAY FOR ANZ350-353-355.  
 
 
 
 
 
DISCUSSION...DW  
AVIATION...BC  
MARINE...DW  
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