Active Weather Alerts
Low Water Advisory
Issued: 3:59 AM Dec. 15, 2025 – National Weather Service
...LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 3 PM EST MONDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST MONDAY... ...GALE WARNING WILL EXPIRE AT 11 PM EST THIS EVENING... * WHAT...For the Low Water Advisory, abnormally low water levels. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, Chesapeake Bay north of Sandy Point MD, Patapsco River including Baltimore Harbor, and Chester River to Queenstown MD. * WHEN...For the Low Water Advisory, until 3 PM EST Monday. For the Small Craft Advisory, until 1 PM EST Monday. * IMPACTS...Conditions will be hazardous to small craft. Below normal water levels will result in hazardous navigating conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. Mariners should navigate shallow waters with extreme caution due to below normal water levels. &&
Small Craft Advisory
Issued: 3:59 AM Dec. 15, 2025 – National Weather Service
...LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 3 PM EST MONDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST MONDAY... ...GALE WARNING WILL EXPIRE AT 11 PM EST THIS EVENING... * WHAT...For the Low Water Advisory, abnormally low water levels. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, Chesapeake Bay north of Sandy Point MD, Patapsco River including Baltimore Harbor, and Chester River to Queenstown MD. * WHEN...For the Low Water Advisory, until 3 PM EST Monday. For the Small Craft Advisory, until 1 PM EST Monday. * IMPACTS...Conditions will be hazardous to small craft. Below normal water levels will result in hazardous navigating conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. Mariners should navigate shallow waters with extreme caution due to below normal water levels. &&
Special Weather Statement
Issued: 12:11 AM Dec. 15, 2025 – National Weather Service
...LOW WIND CHILL VALUES AND ICY SPOTS... Wind chill values will dip between 5 below zero and 5 above zero across much of Maryland, northern Virginia, eastern West Virginia, and Washington DC this evening. Ridges above 1500 feet elevation may have wind chill values around 10 below zero. With this being the coldest conditions so far this season, residents venturing outside are reminded to wear a thick coat, hat, and gloves to prevent hypothermia. Make sure animals have a warm, dry shelter with unfrozen water. Winds will begin to slacken the second half of the night, but air temperatures will still be in the teens. In addition, the cold temperatures will result in any residual snow and water (in areas which saw snow earlier in the day) to freeze on untreated roads and sidewalks. Slow down and use caution when driving, as areas which appear wet could be icy. If you are walking outside, watch your steps on sidewalks, driveways and parking lots. These surfaces could be icy and slippery, increasing your risk of a fall and injury.
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