415  
FXUS61 KOKX 101544  
AFDOKX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NEW YORK NY  
1144 AM EDT SUN AUG 10 2025  
   
SYNOPSIS  
 
HIGH PRESSURE WILL REMAIN IN CONTROL THROUGH EARLY THIS WEEK.  
THE HIGH WILL THEN SLOWLY WEAKEN OVER THE REGION AS A FRONTAL  
SYSTEM APPROACHES MID WEEK. THE FRONT WILL MOVE THROUGH LATE IN  
THE WEEK.  
 
 
   
NEAR TERM /THROUGH TONIGHT/  
 
THE TEMPERATURES WERE RUNNING WERE A FEW DEGREES HIGHER THAN  
FORECAST, ESPECIALLY FOR LONG ISLAND, THIS MORNING. HOURLY AND  
HIGH TEMPERATURES ADJUSTED ACCORDINGLY. DEWPOINTS WERE ALSO  
MODIFIED SLIGHTLY TO BETTER MATCH WITH OBSERVED TRENDS. SKY  
CONDITIONS STILL MOSTLY SUNNY. NO OTHER CHANGES MADE TO THE  
FORECAST DATABASE.  
 
HIGH PRESSURE WILL REMAIN IN OVER THE AREA THROUGH TONIGHT.  
HEIGHTS ALOFT WILL CONTINUE TO RISE AS A HIGH AMPLITUDE RIDGE  
BUILDS OVER THE EASTERN US.  
 
MOSTLY CLEAR CONDITIONS ARE EXPECTED THROUGH TONIGHT. SLIGHT  
ADJUSTMENTS HAVE BEEN MADE TO LOWER DEW POINTS A FEW DEGREES  
THIS AFTERNOON AS THE NBM HAS BEEN RUNNING A BIT HIGH THE LAST  
FEW DAYS, ESPECIALLY IN AREAS THAT TYPICALLY LOWER IN THE  
AFTERNOON WITH MIXING. OTHERWISE, TEMPERATURES WILL CONTINUE TO  
RISE COMPARED TO RECENT DAYS WITH HIGHS REACHING THE MIDDLE TO  
UPPER 80S FOR MUCH OF THE AREA. A FEW OF THE TYPICAL WARM SPOTS  
IN NE NJ REACH AROUND 90 DEGREES.  
 
MADE SOME SLIGHT ADJUSTMENTS TO NBM LOW TEMPERATURES FOR  
TONIGHT, ESPECIALLY ACROSS OUTLYING AREAS AND THE LONG ISLAND  
PINE BARRENS. THESE AREAS HAVE BEEN RUNNING SEVERAL DEGREES  
LOWER THE LAST FEW NIGHTS COMPARED TO THE NBM. A MAV/MET BLEND  
LOOKED MORE REASONABLE GIVEN RECENT THESE TRENDS. LOWS WILL  
RANGE FROM THE UPPER 50S FOR OUTLYING AREAS AND THE LONG ISLAND  
PINE BARRENS TO THE LOWER AND MIDDLE 60S ELSEWHERE. THE NYC  
METRO MAY NOT FALL BELOW THE UPPER 60S. SOME PATCHY RIVER VALLEY  
FOG IS POSSIBLE LATE TONIGHT/EARLY MONDAY MORNING.  
 
 
   
SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/  
 
THE HIGH AMPLITUDE RIDGE WILL REMAIN IN PLACE THROUGH TUESDAY.  
SURFACE HIGH PRESSURE DRIFTS OFFSHORE ON MONDAY AND BECOMES MORE  
OF A BERMUDA HIGH BY TUESDAY. THIS PATTERN WILL CONTINUE THE  
TREND OF WARMER TEMPERATURES AND SLIGHTLY HIGHER HUMIDITY LEVELS  
EACH DAY. A FEW CLOUDS ANTICIPATED EACH DAY BUT OVERALL SKIES  
WILL REMAIN MOSTLY CLEAR.  
 
NBM HIGH TEMPERATURES LOOK REASONABLE BOTH MONDAY AND TUESDAY.  
MUCH OF THE AREA WILL SEE HIGHS IN THE UPPER 80S ON MONDAY WITH  
THE WARMEST SPOTS REACHING THE LOW 90S. IMMEDIATE COASTAL  
LOCATIONS MAY REMAIN IN THE LOWER TO MIDDLE 80S WITH ONSHORE  
FLOW INFLUENCE. HIGHS ON TUESDAY LOOKS TO REACH THE UPPER 80S  
AND LOWER 90S FOR MUCH OF THE AREA WITH AGAIN COASTAL LOCATIONS  
SLIGHTLY COOLER. ADJUSTED NBM DEW POINTS DOWN SLIGHTLY MONDAY  
AFTERNOON GIVEN RECENT TRENDS AND THIS ALLOWS HEAT INDICES ON  
MONDAY TO BE AT OR SLIGHTLY BELOW AIR TEMPERATURES. DEW POINTS  
SHOULD BEGIN RISING ON TUESDAY BUT STILL END UP IN THE LOWER TO  
MIDDLE 60S IN THE AFTERNOON. MAX HEAT INDICES SHOULD END UP IN  
THE UPPER 80S AND LOWER 90S, WITH A FEW ISOLATED SPOTS  
POTENTIALLY COMING CLOSE TO 95.  
 
LOWS EACH NIGHT TREND WARMER WITH TEMPERATURES TUESDAY NIGHT IN THE  
MIDDLE TO UPPER 60S FOR MOST AND LOWER 70S IN THE URBAN AREAS.  
 
 
   
LONG TERM /WEDNESDAY THROUGH SATURDAY/  
 
NO SIGNIFICANT CHANGES WERE MADE WITH THIS UPDATE.  
 
THE HIGH AMPLITUDE RIDGE WILL BREAK DOWN WEDNESDAY INTO THURSDAY  
AS AN UPPER TROUGH SLIDES ACROSS SOUTHEASTERN CANADA. THIS WILL  
ALLOW A COLD FRONT TO APPROACH LATE WEDNESDAY AND MOVE ACROSS  
THE AREA ON THURSDAY. THE FRONT SHOULD SETTLE SOUTH AND EAST OF  
THE AREA ON FRIDAY. A WEAK UPPER TROUGH MAY THEN LINGER OVER THE  
REGION INTO EARLY NEXT WEEKEND.  
 
WEDNESDAY CONTINUES TO LOOK LIKE THE WARMEST DAY OF THE WEEK WITH  
TEMPERATURES IN THE UPPER 80S AND LOWER 90S WITH SOME MIDDLE 90S IN  
NE NJ. HIGHER HUMIDITY LEVELS WILL LIKELY YIELD HEAT INDICES IN THE  
LOWER TO MIDDLE 90S. POTENTIAL CONTINUES TO EXIST FOR HEAT INDICES  
TO REACH 95-99 IN THE WARMEST SPOTS OF NE NJ, NYC METRO, LOWER  
HUDSON VALLEY, AND PORTIONS OF S CT. THE LATEST NBM HAS TRENDED  
SLIGHTLY COOLER ON THURSDAY WITH DEW POINTS ALSO A FEW DEGREES  
LOWER. THIS TREND HAS YIELDED LOWER MAX HEAT INDICES WITH MUCH OF  
THE AREA ONLY PEAKING IN THE LOW 90S. REACHING THE TWO DAY HEAT  
ADVISORY CRITERIA MAY BE DIFFICULT IF THIS TREND PERSISTS.  
 
AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ARE POSSIBLE  
WEDNESDAY AND THURSDAY. THE CHANCE IS LOWER ON FRIDAY AS THE FRONT  
PUSHES SOUTH AND EAST OF THE AREA.  
 
 
   
AVIATION /16Z SUNDAY THROUGH THURSDAY/  
 
VFR WITH HIGH PRESSURE IN CONTROL. WINDS SHOULD BECOME S AROUND  
10 KT THIS AFTERNOON, A LITTLE STRONGER AT KJFK. LIGHT SW WINDS  
FOLLOW FOR TONIGHT.  
 
...NY METRO (KEWR/KLGA/KJFK/KTEB) TAF UNCERTAINTY...  
 
NO UNSCHEDULED AMENDMENTS EXPECTED..  
   
OUTLOOK FOR 12Z MONDAY THROUGH FRIDAY  
 
 
MONDAY AND TUESDAY: VFR.  
 
WEDNESDAY: A LATE DAY OR EVENING TSTM WITH POSSIBLE BRIEF MVFR  
OR LOWER COND, MAINLY JUST W OF THE NYC METROS.  
 
THURSDAY: CHANCE OF LATE AFTERNOON/EARLY EVENING TSTMS WITH  
POSSIBLE MVFR OR LOWER COND.  
 
FRIDAY: VFR.  
 
DETAILED INFORMATION, INCLUDING HOURLY TAF WIND COMPONENT  
FORECASTS, CAN BE FOUND AT: HTTPS:/WWW.WEATHER.GOV/ZNY/N90  
 
 
   
MARINE  
 
HIGH PRESSURE WILL LEAD TO CONDITIONS BELOW SCA LEVELS THROUGH  
THE MIDDLE OF THE WEEK. A WEAK AREA OF LOW PRESSURE WELL  
OFFSHORE MAY CONTINUE TO BRING AN E SWELL THE NEXT SEVERAL DAYS,  
BUT SEAS WILL REMAIN BELOW 5 FT.  
 
 
   
HYDROLOGY  
 
THERE ARE NO HYDROLOGIC CONCERNS THROUGH NEXT WEEK.  
 
 
   
TIDES/COASTAL FLOODING  
 
A MODERATE RIP CURRENT RISK REMAINS THROUGH MONDAY EVENING AT  
OCEAN BEACHES DUE TO CONTINUED E-ESE SWELLS WITH AROUND 3 FT  
WAVES AND A 7-9 SECOND PERIOD.  
 
 
   
OKX WATCHES/WARNINGS/ADVISORIES  
 
CT...NONE.  
NY...AIR QUALITY ALERT UNTIL 11 PM EDT THIS EVENING FOR NYZ069>075-  
176-178.  
NJ...NONE.  
MARINE...NONE.  
 
 
 
 
 
SYNOPSIS...JP/DS  
NEAR TERM...JM/DS  
SHORT TERM...DS  
LONG TERM...JP/DS  
AVIATION...JC/BG  
MARINE...JP/DS  
HYDROLOGY...DS  
TIDES/COASTAL FLOODING...  
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