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Elev 151 ft, 39.13 °N, 76.69 °W

Severn, MD Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Severn, MD
Elevation: 151ft
Nearby Weather Stations

Active Weather Alerts

Tornado Watch
Issued: 8:53 PM Aug. 20, 2026 – National Weather Service
CW

.    ADJACENT COASTAL WATERS INCLUDED ARE

DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE

DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE

COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20
NM

COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM

COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM

COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM

CHESAPEAKE BAY NORTH OF POOLES ISLAND MD

CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD

CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD

CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD

CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA

TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD

TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD

TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA

PATAPSCO RIVER INCLUDING BALTIMORE HARBOR

CHESTER RIVER TO QUEENSTOWN MD

EASTERN BAY

CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER

PATUXENT RIVER TO BROOMES ISLAND MD

TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND

COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA OUT 20
NM

Tornado Watch
Issued: 8:53 PM Aug. 20, 2026 – National Weather Service
MD
.    MARYLAND COUNTIES INCLUDED ARE

ANNE ARUNDEL         BALTIMORE           CALVERT
CAROLINE             CARROLL             CECIL
CHARLES              DORCHESTER          HARFORD
HOWARD               KENT                MONTGOMERY
PRINCE GEORGES       QUEEN ANNE'S        ST. MARYS
SOMERSET             TALBOT              WICOMICO
WORCESTER


MARYLAND INDEPENDENT CITIES INCLUDED ARE

BALTIMORE CITY
Small Craft Advisory
Issued: 8:05 PM Aug. 20, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...South winds 10 to 15 kt with gusts up to 20 kt.

* WHERE...Tidal Potomac River from Key Bridge to Smith Point VA,
and Chesapeake Bay and adjoining estuaries north of Smith
Point VA.

* WHEN...Until 8 PM EDT 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.

&&

Special Marine Warning
Issued: 7:57 PM Aug. 20, 2026 – National Weather Service
The National Weather Service in Sterling Virginia has issued a

* Special Marine Warning for...
Chesapeake Bay from Pooles Island to Sandy Point MD...
Chesapeake Bay from Sandy Point to North Beach MD...
Chesapeake Bay north of Pooles Island MD...
Chester River to Queenstown MD...
Patapsco River including Baltimore Harbor...

* Until 530 PM EDT.

* At 357 PM EDT, strong thunderstorms were located along a line
extending from 21 nm west of Back River to 17 nm northeast of Tidal
Basin to 9 nm northeast of Key Bridge, moving east at 30 knots.

HAZARD...Wind gusts 34 knots or greater.

SOURCE...Radar indicated.

IMPACT...Boaters in small craft could be thrown overboard by
suddenly higher winds and waves capsizing their vessel.

* Locations impacted include...
Fort Smallwood State Park, Pinehurst, North Point State Park, Hart
Miller Island, Magothy River, Gibson Island, Bodkin Point, Worton
Point, Pooles Island, Love Point, Sandy Point State Park, Baltimore
Light, Chesapeake Bay Bridge, and Sevenfoot Knoll.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for central and
northern Maryland...and the adjacent coastal waters.

Move to safe harbor until hazardous weather passes.

&&


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

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