closegps_fixed
Elev 171 ft, 40.93 °N, 73.84 °W

Mount Vernon, NY Severe Weather Alertstar_ratehome

icon87 Â°F Fleetwood Station|Report|Change
Current Station
Personal Weather Station
Location: Mount Vernon, NY
Elevation: 171ft
Nearby Weather Stations

Active Weather Alerts

Special Marine Warning
Issued: 8:00 PM May. 20, 2026 – National Weather Service
The National Weather Service in Upton NY has issued a

* Special Marine Warning for...

Long Island Sound West of New Haven CT / Port Jefferson NY...

* Until 445 PM EDT.

* At 400 PM EDT, a strong thunderstorm was located over Captain
Harbor, moving east at 25 knots.

HAZARD...Wind gusts 34 knots or greater and small hail.

SOURCE...Radar indicated.

IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.

* The strong thunderstorm will be near...
Stamford Harbor around 405 PM EDT.
Huntington Bay and Long Neck Point around 410 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters should seek safe harbor immediately until this storm passes.
Wind gusts 34 knots or greater, small hail, high waves, lightning,
and heavy rain are expected with this storm. If caught on the open
water stay below deck if possible, keep away from ungrounded metal
objects.

&&


HAIL...<.75IN;
WIND...>34KTS

Marine Weather Statement
Issued: 7:53 PM May. 20, 2026 – National Weather Service
...A STRONG THUNDERSTORM OVER THE WATERS...

The areas affected include...

Long Island Sound West of New Haven CT / Port Jefferson NY...

At 352 PM EDT, Doppler radar indicated a strong thunderstorm, capable
of producing winds to around 30 knots. This thunderstorm was located
over Captain Harbor, moving east at 30 knots.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners can expect gusty winds to around 30 knots, locally higher
waves, lightning strikes, and heavy downpours. Boaters should seek
safe harbor immediately until this storm passes.

&&


Severe Thunderstorm Watch
Issued: 6:11 PM May. 20, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
235 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS

THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS

LONG ISLAND SOUND EAST OF NEW HAVEN CT/PORT JEFFERSON NY TO THE
MOUTH OF THE CONNECTICUT RIVER
LONG ISLAND SOUND EAST OF THE MOUTH OF THE CONNECTICUT RIVER
LONG ISLAND SOUND WEST OF NEW HAVEN CT/PORT JEFFERSON NY
NEW YORK HARBOR       PECONIC AND GARDINERS BAYS
SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY
MORICHES INLET NY TO MONTAUK POINT NY OUT 20 NM
FIRE ISLAND INLET NY TO MORICHES INLET NY OUT 20 NM
SANDY HOOK NJ TO FIRE ISLAND INLET NY OUT 20 NM

Severe Thunderstorm Watch
Issued: 6:11 PM May. 20, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
235 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS

IN CONNECTICUT THIS WATCH INCLUDES 4 COUNTIES

IN SOUTHERN CONNECTICUT

FAIRFIELD             MIDDLESEX             NEW HAVEN
NEW LONDON

IN NEW JERSEY THIS WATCH INCLUDES 5 COUNTIES

IN NORTHEAST NEW JERSEY

BERGEN                ESSEX                 HUDSON
PASSAIC               UNION

IN NEW YORK THIS WATCH INCLUDES 11 COUNTIES

IN SOUTHEAST NEW YORK

BRONX                 KINGS (BROOKLYN)      NASSAU
NEW YORK (MANHATTAN)  ORANGE                PUTNAM
QUEENS                RICHMOND (STATEN ISLAND)
ROCKLAND              SUFFOLK               WESTCHESTER

Local Radar
Local Radar ImageLocal Severe Image