Weather Alerts-

Avoid the subject event as per the instructions

Baltimore/Washington - MD, US, National Weather Service

Tidal Potomac from Indian Head to Cobb Island MD

The National Weather Service in Sterling Virginia has issued a Special Marine Warning for... Tidal Potomac from Cobb Island MD to Smith Point VA... Tidal Potomac from Indian Head to Cobb Island MD... Tidal Potomac from Key Bridge to Indian Head MD... Until 1000 PM EDT. At 837 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 26 nm west of Key Bridge to 24 nm southwest of Potomac Creek, moving northeast at 65 knots. HAZARD...Wind gusts in excess of 48 knots and waterspouts. 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. Waterspouts can easily overturn boats and create locally hazardous seas. Locations impacted include... Potomac Creek, Breton Bay, Nanjemoy Creek, Quantico, Reagan National Airport, Swan Point, Coltons Point, Gunston Hall, Occoquan Bay, Popes Creek, Saint Clements Bay, Maryland Point, Port Tobacco River, Colonial Beach, Leesylvania State Park, Cobb Island, Mathias Point, U.S. 301 Nice Memorial Bridge, Mason Neck State Park, and Woodrow Wilson Bridge. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. WATERSPOUT...POSSIBLE; HAIL...0.00IN; WIND...48KTS

Avoid the subject event as per the instructions

Baltimore/Washington - MD, US, National Weather Service

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

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EDT TUESDAY... WHAT...South winds 15 to 30 kt with gusts up to 40 kt and waves 3 to 6 ft. WHERE...Tidal Potomac River from Key Bridge to Smith Point VA, and Chesapeake Bay and adjoining estuaries north of Smith Point VA. WHEN...Until 1 AM EDT Tuesday. IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Execute a pre-planned activity identified in the instructions

Baltimore/Washington - MD, US, National Weather Service

The Washington Metropolitan area, northern Virginia, northern and central Maryland as well as southern Maryland

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT EDT TONIGHT... WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. WHERE...The Washington Metropolitan area, northern Virginia, northern and central Maryland as well as southern Maryland. WHEN...From 8 PM this evening to midnight EDT tonight. A sudden onset of strong winds are expected behind the cold front this evening. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Be prepared for a sudden onset of strong winds this evening.