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Elev 69 ft, 41.37 °N, 72.07 °W

Groton, CT Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Groton, CT
Elevation: 69ft
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Active Weather Alerts

Special Marine Warning
Issued: 12:01 PM Jan. 1, 2026 – National Weather Service
The National Weather Service in Upton NY has issued a

* Special Marine Warning for...

Eastern Long Island Sound...
Peconic and Gardiners Bays...

* Until 800 AM EST.

* At 700 AM EST, a snow squall was located along a line extending
from near Essex Village to near Central Long Island Sound to near
Herod Point, moving east at 25 knots.

HAZARD...Wind gusts 34 knots or greater.

SOURCE...Radar indicated.

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

* Snow squall will be near... Essex Village, Central Long Island
Sound, Herod Point, Falkner Island, Madison Reef, Six Mile Reef,
and Westbrook Center around 705 AM EST.
Long Sand Shoal, Mouth of the Connecticut River, and Mattituck
Inlet around 715 AM EST.
Horton Point around 720 AM EST.
Niantic Bay around 730 AM EST.
Dering Harbor, Shelter Island Sound, Little Peconic Bay, and
Shelter Island around 735 AM EST.
Orient Point, Plum Island, and New London Harbor around 740 AM
EST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners can expect brief whiteout conditions, a sudden wind shift
to the northwest, gusty winds over 34 knots and locally higher waves.

&&


HAIL...0.00IN;
WIND...>34KTS

Snow Squall Warning
Issued: 11:55 AM Jan. 1, 2026 – National Weather Service
The National Weather Service in Upton NY has issued a

* Snow Squall Warning for...
New London County in southern Connecticut...
Middlesex County in southern Connecticut...
Southeastern New Haven County in southern Connecticut...

* Until 800 AM EST.

* At 653 AM EST, a snow squall was located along a line extending
from near Woodstock to Hebron to 6 miles southwest of Guilford,
moving east at 40 mph.

HAZARD...Intense bursts of heavy snow. Gusty winds leading to
blowing snow and rapidly falling visibility. Wind gusts
greater than 35 mph.

SOURCE...Radar and webcams.

IMPACT...Travel will become difficult and potentially dangerous
within minutes.

This snow squall will be near...
Guilford and Colchester around 700 AM EST.
Old Saybrook and Bozrah around 705 AM EST.
East Lyme and Old Lyme around 710 AM EST.
Norwich around 715 AM EST.
Waterford and Lisbon around 720 AM EST.
Jewett City and Griswold around 725 AM EST.
New London and Groton around 730 AM EST.
Voluntown around 735 AM EST.
Mystic around 750 AM EST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow Down! Rapid changes in visibility and road conditions are
expected with this snow squall. Be alert for sudden whiteout
conditions.

&&


SNOW SQUALL...OBSERVED

Winter Weather Advisory
Issued: 6:51 AM Jan. 1, 2026 – National Weather Service
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Snow. Total snow accumulations between 1 and 3 inches.

* WHERE...New London County.

* WHEN...Until 10 AM EST this morning.

* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Check local Department of
Transportation information services for the latest road conditions.

&&

Small Craft Advisory
Issued: 6:45 AM Jan. 1, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS
EVENING...

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas
2 to 4 feet.

* WHERE...Long Island Sound, and Peconic and Gardiners Bays.

* WHEN...Until 10 PM EST this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

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