Active Weather Alerts
Special Marine Warning
Issued: 6:21 PM Jun. 18, 2025 – National Weather Service
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 315 PM EDT... For the following areas... Chesapeake Bay from Pooles Island to Sandy Point MD... Chesapeake Bay north of Pooles Island MD... Patapsco River including Baltimore Harbor... At 221 PM EDT, a severe thunderstorm was located over Fort Smallwood State Park, moving east at 25 knots. HAZARD...Wind gusts in excess of 48 knots and large hail. SOURCE...Radar indicated. IMPACT...Boaters could easily be thrown overboard by suddenly higher wind and waves capsizing their vessel. Boats could suffer significant damage in high winds and hail. Locations impacted include... Fort Smallwood State Park, Pinehurst, North Point State Park, Hart Miller Island, Magothy River, Gunpowder River, Gibson Island, Baltimore Light, Bodkin Point, Pooles Island, and Sevenfoot Knoll. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && HAIL...>.75IN; WIND...48KTS
Severe Thunderstorm Watch
Issued: 4:44 PM Jun. 18, 2025 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 433 IN EFFECT UNTIL 7 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS 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
Severe Thunderstorm Watch
Issued: 4:44 PM Jun. 18, 2025 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 433 IN EFFECT UNTIL 7 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THE DISTRICT OF COLUMBIA IN MARYLAND THIS WATCH INCLUDES 13 COUNTIES IN CENTRAL MARYLAND ANNE ARUNDEL HOWARD MONTGOMERY PRINCE GEORGES IN NORTH CENTRAL MARYLAND CARROLL FREDERICK IN NORTHEAST MARYLAND CECIL IN NORTHERN MARYLAND BALTIMORE BALTIMORE CITY HARFORD IN SOUTHERN MARYLAND CALVERT CHARLES ST. MARYS IN VIRGINIA THIS WATCH INCLUDES 13 COUNTIES IN CENTRAL VIRGINIA CITY OF FREDERICKSBURG KING GEORGE IN NORTHERN VIRGINIA ARLINGTON CITY OF ALEXANDRIA CITY OF FAIRFAX CITY OF FALLS CHURCH CITY OF MANASSAS CITY OF MANASSAS PARK FAIRFAX FAUQUIER LOUDOUN PRINCE WILLIAM STAFFORD THIS INCLUDES THE CITIES OF ABERDEEN, ALEXANDRIA, ANNAPOLIS, ARLINGTON, ARNOLD, ASPEN HILL, BALLENGER CREEK, BALTIMORE, BEL AIR, BETHESDA, BOWIE, CALIFORNIA, CAMP SPRINGS, CATONSVILLE, CHANTILLY, CHESAPEAKE BEACH, CLINTON, COLLEGE PARK, COLUMBIA, DAHLGREN, DUNDALK, DUNKIRK, EDGEWOOD, ELDERSBURG, ELKTON, ELLICOTT CITY, ESSEX, FAIRFAX, FALLS CHURCH, FALLSTON, FALMOUTH, FREDERICK, FREDERICKSBURG, GAITHERSBURG, GERMANTOWN, GLEN BURNIE, GREENBELT, HAVRE DE GRACE, HERNDON, HUNTINGTOWN, JOPPATOWNE, LAUREL, LEESBURG, LEXINGTON PARK, LUSBY, MANASSAS, MANASSAS PARK, MCLEAN, NORTH BEACH, ODENTON, PARKVILLE, PIKESVILLE, POTOMAC, PRINCE FREDERICK, RANDALLSTOWN, RESTON, ROCKVILLE, SEVERN, SEVERNA PARK, SILVER SPRING, SOUTH GATE, ST. CHARLES, STERLING, SUITLAND-SILVER HILL, TOWSON, WALDORF, WARRENTON, WASHINGTON, WESTMINSTER, AND WOODBRIDGE.
Flood Watch
Issued: 4:01 PM Jun. 18, 2025 – National Weather Service
...FLOOD WATCH IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Including the following , District of Columbia, in Maryland, Anne Arundel, Carroll, Central and Southeast Howard, Central and Southeast Montgomery, Charles, Frederick MD, Northern Baltimore, Northwest Harford, Northwest Howard, Northwest Montgomery, Prince Georges, Southeast Harford and Southern Baltimore, in Virginia, Arlington/Falls Church/Alexandria, Central and Southeast Prince William/Manassas/Manassas Park, Eastern Loudoun, Fairfax, Northwest Prince William and Western Loudoun. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Showers and thunderstorms are likely this afternoon through early this evening. Some thunderstorms will produce heavy rainfall with amounts around 1 to 2 inches within an hour. Localized amounts up to 3 inches are possible in the strongest storms. The heavy amounts of rain in a short period of time may lead to rapid rises of creeks and streams out of their banks as well as potential flash flooding in urban areas. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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