485  
FXUS61 KOKX 230312  
AFDOKX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NEW YORK NY  
1112 PM EDT SUN JUN 22 2025  
   
SYNOPSIS
 
 
HIGH PRESSURE CONTINUES TO BUILD INTO AND SOUTH OF THE REGION  
MONDAY AND TUESDAY. A FRONTAL BOUNDARY BECOMES NEARLY STATIONARY  
ACROSS THE REGION LATE TUESDAY NIGHT THROUGH THE UPCOMING  
WEEKEND AS MULTIPLE WAVES OF LOW PRESSURE MOVE ALONG THE  
BOUNDARY.  
 

 
   
NEAR TERM /UNTIL 6 AM MONDAY MORNING/
 
 
MAIN CHANGE WAS TO REMOVE THE PROBABILITIES AS SHOWERS HAVE  
PUSHED TO THE SOUTHWEST OF THE REGION IN RESPONSE TO UPPER  
ENERGY SHIFTING AS UPPER RIDGE BUILDS. ALSO, UPDATED FOR CURRENT  
TEMPERATURES AND DEW POINTS.  
 
UPPER LEVEL RIDGE AND SURFACE HIGH PRESSURE BUILD INTO THE  
REGION TONIGHT. SKIES WILL CONTINUE TO CLEAR OUT WITH  
TEMPERATURES OVERNIGHT REMAINING RATHER MILD. EXPECT LOWS TO  
ONLY FALL INTO THE 70S. TEMPERATURES IN THE NYC/NJ METRO AREA  
MAY ONLY REMAIN IN THE UPPER 70S TO NEAR 80.  
 

 
   
SHORT TERM /6 AM MONDAY MORNING THROUGH TUESDAY/
 
 
* EXTREME HEAT HEADLINES CONTINUE FOR A MAJORITY OF THE FORECAST  
AREA.  
 
* THE EXTREME HEAT WATCH HAS BEEN CONVERTED TO HEAT ADVISORIES  
 
* MONDAY AND TUESDAY WILL BE THE HOTTEST DAYS OF THE WEEK.  
 
THE HEAT REALLY KICKS UP ON MONDAY GETS GOING ON MONDAY WITH  
HIGH TEMPERATURES EXPECTED TO BE IN THE 90S FOR MOST OF THE  
FORECAST AREA. THE ONLY EXCEPTION MAY BE RIGHT ALONG THE  
IMMEDIATE COASTLINE. TEMPERATURES WILL REACH THE UPPER 90S FOR  
NE NJ AND THE LOWER HUDSON VALLEY, AND CAN NOT RULE OUT A FEW  
100 READINGS. HEAT INDEX VALUES WILL PEAK IN THE 105-110 RANGE  
INLAND AND 95-105 ALONG THE COAST.  
 
LOWS MONDAY NIGHT WILL NOT OFFER MUCH RELIEF AS LOW TEMPERATURES  
WILL ONLY BE IN THE 70S WITH MORE URBAN LOCATIONS POSSIBLY NOT  
DROPPING BELOW 80.  
 
RIGHT NOW, TEMPERATURES ARE EXPECTED TO BE SLIGHTLY HIGHER ON  
TUESDAY AS COMPARED TO MONDAY, THOUGH DEW POINTS MAY BE SLIGHTLY  
LOWER SO HEAT INDEX VALUES WILL BE COMPARABLE. HIGH TEMPERATURES FOR  
MUCH OF THE AREA TUESDAY MAY APPROACH 100 OR RISE INTO THE LOW 100S  
AWAY FROM THE COAST. GIVEN A WESTERLY FLOW, COASTAL AREAS LIKE LONG  
ISLAND MAY RISE INTO THE MIDDLE TO UPPER 90S AS WELL. THIS WILL  
LIKELY BE THE HOTTEST DAY FOR THE COASTAL AREAS.  
 
GIVEN THE EXPECTED EXCESSIVE HEAT, AN EXTREME HEAT WARNING IS IN  
EFFECT THROUGH TUESDAY. THE HIGHEST HEAT INDEX VALUES WILL OCCUR  
EACH AFTERNOON, BUT ESPECIALLY ON MONDAY AND TUESDAY. HEAT  
ADVISORIES ARE IN EFFECT FOR PORTIONS OF LONG ISLAND AND COASTAL  
MIDDLESEX AND NEW LONDON COUNTY IN CT.  
 

 
   
LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/
 
 
* WEDNESDAY WILL LIKELY BE THE THE LAST DAY OF HEAT/HUMIDITY FOR  
THIS WEEK.  
 
* A MORE UNSETTLED WEATHER PATTERN LIKELY DEVELOPS WEDNESDAY THROUGH  
THE UPCOMING WEEKEND.  
 
THE UPPER RIDGE BEGINS TO WEAKEN AND FLATTEN TUESDAY NIGHT WITH  
HEIGHTS FALLING INTO WEDNESDAY. CONTINENTAL ZONAL FLOW THEN REMAINS  
ACROSS THE NORTHERN TIER OF THE COUNTRY WEDNESDAY NIGHT INTO THE  
UPCOMING WEEKEND AS A SERIES OF WEAK SHORTWAVES MOVE THROUGH THE  
FLOW. AT THE SURFACE A BACKDOOR COLD FRONT DROPS INTO THE REGION  
TUESDAY NIGHT INTO WEDNESDAY, AND THEN WITH THE NEAR ZONAL FLOW THE  
FRONT BECOMES NEARLY STATIONARY ACROSS THE REGION. THE LAST DAY OF  
THE CURRENT HEAT AND HUMIDITY WILL BE WEDNESDAY AS AIR TEMPERATURES  
RISE INTO THE LOWER AND MID 90S, AND HEAT INDICES PEAK AT AROUND 95  
TO 100 ACROSS MUCH OF THE REGION. THERE IS THE POTENTIAL FOR A FINAL  
DAY OF HEAT HEADLINES. HOWEVER, WITH THE CHANCE OF PRECIPITATION  
WEDNESDAY HEAT ADVISORY CRITERIA MAY NOT BE REACHED. UNSETTLED  
WEATHER IS POSSIBLE WEDNESDAY AFTERNOON INTO THE UPCOMING WEEKEND,  
WITH TEMPERATURES FALLING BACK TO NEAR NORMAL THURSDAY THROUGH  
SUNDAY. FOLLOWED THE DETERMINISTIC NBM GUIDANCE FOR ALL  
PARAMETERS.  
 

 
   
AVIATION /03Z MONDAY THROUGH FRIDAY/
 
 
HIGH PRESSURE REMAINS IN CONTROL.  
 
VFR THRU TAF PERIOD.  
 
A WEAKENING WEST WIND MAY GO LIGHT AND VRB FOR A PERIOD  
OVERNIGHT, BEFORE NORTHERLY DIRECTION BECOMES ESTABLISHED TOWARD  
9Z MON. SEA BREEZE AT MOST TERMINALS FLIPS FLOW SOUTHERLY BY  
EARLY AFTERNOON. SPEEDS LARGELY AT OR UNDER 10 KT.  
 
NY METRO (KEWR/KLGA/KJFK/KTEB) TAF UNCERTAINTY...  
 
NO UNSCHEDULED AMENDMENTS EXPECTED.  
   
OUTLOOK FOR 00Z TUESDAY THROUGH FRIDAY
 
 
 
TUESDAY NIGHT: VFR.  
 
WEDNESDAY: CHANCE OF SHOWERS/TSTMS IN THE AFTERNOON/EVENING  
MAINLY FOR KSWF/KHPN/KTEB/KEWR.  
 
THURSDAY AND FRIDAY: CHANCE OF SHOWERS/TSTMS MAINLY IN THE  
AFTERNOON/EVENING.  
 
DETAILED INFORMATION, INCLUDING HOURLY TAF WIND COMPONENT  
FORECASTS, CAN BE FOUND AT: HTTPS:/WWW.WEATHER.GOV/ZNY/N90  
 

 
   
MARINE
 
 
SUB-SCA CONDITIONS ARE EXPECTED THROUGH FRIDAY NIGHT ACROSS ALL  
OF THE FORECAST WATERS.  
 

 
   
HYDROLOGY
 
 
THERE ARE NO HYDROLOGIC CONCERNS THROUGH THE REST OF THE  
FORECAST PERIOD WITH DRY CONDITIONS PREVAILING.  
 

 
   
TIDES/COASTAL FLOODING
 
 
WITH AN INCREASE IN ONSHORE SWELL (3 TO 4 FT) AND SOUTHERLY  
WINDS (SW 10-15 KTS), A MODERATE RISK OF RIP CURRENTS IS  
FORECAST FOR ALL OCEAN BEACHES THROUGH THIS EVENING.  
 
THERE IS A LOW RISK FOR THE DEVELOPMENT OF RIP CURRENTS AT ALL  
THE OCEAN BEACHES FOR BOTH MONDAY AND TUESDAY.  
 

 
   
CLIMATE
 
 
INCREASING HEAT MAY RESULT IN RECORD HIGH TEMPERATURES THROUGH  
TUESDAY.  
 
MONDAY'S RECORD HIGHS (JUNE 23):  
EWR 99 / 2024  
BDR 91 / 2010  
NYC 96 / 1888  
LGA 95 / 2024 AND PREVIOUS YEARS  
JFK 94 / 2010  
ISP 91 / 1999  
 
TUESDAY'S RECORD HIGHS (JUNE 24):  
EWR 97 / 1966  
BDR 94 / 1966  
NYC 96 / 1888  
LGA 96 / 2013  
JFK 97 / 2010  
ISP 96 / 1966  
 

 
   
OKX WATCHES/WARNINGS/ADVISORIES
 
 
CT...AIR QUALITY ALERT UNTIL 11 PM EDT MONDAY FOR CTZ005>012.  
EXTREME HEAT WARNING UNTIL 8 PM EDT TUESDAY FOR CTZ005>010.  
HEAT ADVISORY FROM NOON MONDAY TO 8 PM EDT TUESDAY FOR CTZ011-  
012.  
NY...EXTREME HEAT WARNING UNTIL 8 PM EDT TUESDAY FOR NYZ067>075-176-  
178.  
HEAT ADVISORY FROM NOON MONDAY TO 8 PM EDT TUESDAY FOR NYZ078-  
080-177-179.  
AIR QUALITY ALERT FROM 11 AM TO 11 PM EDT MONDAY FOR  
NYZ069>075-078>081-176>179.  
NJ...EXTREME HEAT WARNING UNTIL 8 PM EDT TUESDAY FOR NJZ002-004-006-  
103>108.  
AIR QUALITY ALERT FROM 11 AM TO 11 PM EDT MONDAY FOR NJZ002-  
004-006-103>108.  
MARINE...NONE.  
 

 
 

 
 
SYNOPSIS...BC/MET  
NEAR TERM...BC/MET  
SHORT TERM...BC  
LONG TERM...MET  
AVIATION...20/DR  
MARINE...BC/MET  
HYDROLOGY...BC/MET  
TIDES/COASTAL FLOODING...  
CLIMATE...  
 
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