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Forecast Discussion for New York City/Upton, NY
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477
FXUS61 KOKX 181852
AFDOKX
Area Forecast Discussion
National Weather Service New York NY
252 PM EDT Wed Mar 18 2026
.WHAT HAS CHANGED...
No significant changes.
&&
.KEY MESSAGES...
1) Cold with below average temperatures through Thursday.
2) No major storm systems expected in the long term, with just a
couple of minor disturbance Friday night into Saturday morning, and
from Sunday afternoon into Monday.
&&
.DISCUSSION...
.KEY MESSAGE 1...
High pressure over the area moves northeast of the region tonight
into tomorrow. Conditions are expected to remain dry through this
period with below average temperatures continuing.
With nearly clear skies and light winds, radiational cooling tonight
will allow for temperatures to drop back into the mid and upper 20s,
near 30 in New York City. Temperatures slowly recover Thursday as
the high moves off the coast, with temperatures still around 5
degrees below normal.
.KEY MESSAGE 2...
A couple of weak disturbances embedded in the overall WNW flow
regime aloft will progress through Friday night/Sat morning, and
Sunday afternoon/night. A cold front passing through Sunday night
will return the above normal temperatures of Friday through Sunday
to more seasonal levels. No hazardous weather is expected with these
disturbances, though the GFS does show a later timing of Sunday
night/Monday for the second system.
&&
.AVIATION /18Z WEDNESDAY THROUGH MONDAY/...
High pressure remains in control through the TAF period.
VFR. Winds prevailing SSE-S at 10kt or less this afternoon. Light SE-
S to variable winds for tonight, then SSE-S winds at around 10kt or
less for Thursday.
...NY Metro (KEWR/KLGA/KJFK/KTEB) TAF Uncertainty...
No unscheduled amendments expected.
.OUTLOOK FOR 18Z THURSDAY THROUGH MONDAY...
Thursday PM: VFR.
Thursday Night: Mainly VFR. Low chance for rain or snow shower
and MVFR, mainly NW of NYC metro and mainly before midnight.
Friday-Friday night: VFR during the day. Rain likely at night with
MVFR or lower conditions.
Saturday: Chance of rain and MVFR in the morning, otherwise VFR. W
gusts 15-20kt in the afternoon.
Sunday: VFR in the morning. Chance of MVFR or lower with rain/snow
showers in the afternoon and night. W gusts around 20kt in the
afternoon, bcmg NW at night.
Monday: VFR. N gusts around 20kt.
Detailed information, including hourly TAF wind component
forecasts, can be found at: https:/www.weather.gov/zny/n90
&&
.MARINE...
SCA conditions will gradually subside this evening into tonight,
falling below SCA criteria on the western ocean first. We`ll
remain under SCA levels on Thursday and Friday.
Starting Friday night, 5ft waves could creep in on ocean waters.
Wind gusts may near SCA levels on ocean waters Friday night.
Hazardous ocean seas should continue into daytime Sunday, then
gradually but briefly subside Sat night. Hazardous ocean seas could
return by Sunday afternoon as SW flow ahead of a cold front
increases to over 15 kt,
Hazardous ocean seas could return to the ocean waters daytime Sunday
as SW winds increase to over 15 kt, but are more likely on all
waters Sunday night into Mon morning as winds shift NW after a cold
frontal passage, with gusts to 25 kt and ocean seas above 5 ft.
These conditions should linger on the ocean into Mon
afternoon/night. There is a chance that all these conditions could
be delayed by 6-12 hours from the current forecast.
&&
.OKX WATCHES/WARNINGS/ADVISORIES...
CT...None.
NY...None.
NJ...None.
MARINE...Small Craft Advisory until 6 AM EDT Thursday for ANZ350.
Small Craft Advisory until 2 AM EDT Thursday for ANZ353-355.
&&
$$
DISCUSSION...Goodman/BR
AVIATION...JC/MW
MARINE...Goodman/BR
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Previous Forecast Discussions may be found at
NWS New York City/Upton, NY (OKX) Office Forecast Discussions.
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