Station Name: Potomac, MD
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

Nearest Address:
Offshore
Scotland, MD 20687
Saint Mary's County

GPS Coordinates: 38.033, -76.335

Nearby Water Temperatures

Heat Advisory issued June 11 at 3:16PM EDT until June 12 at 8:00PM EDT by NWS Baltimore MD/Washington DC

Effective: Thu June 11, 2026, 3:16 PM
Expires: Thu June 11, 2026, 11:30 PM

* WHAT...For both Heat Advisories, heat index values up to 107. * WHERE...Portions of DC, central, northeast, northern, and southern Maryland, and central and northern Virginia. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Severe Thunderstorm Watch issued June 11 at 7:53PM EDT until June 12 at 12:00AM EDT by NWS Baltimore MD/Washington DC

Effective: Thu June 11, 2026, 7:53 PM
Expires: Fri June 12, 2026, 12:00 AM

SEVERE THUNDERSTORM WATCH 317 REMAINS VALID UNTIL MIDNIGHT EDT TONIGHT FOR THE FOLLOWING AREAS IN MARYLAND THIS WATCH INCLUDES 4 COUNTIES IN NORTHEAST MARYLAND CECIL IN SOUTHERN MARYLAND CALVERT CHARLES ST. MARYS IN VIRGINIA THIS WATCH INCLUDES 2 COUNTIES IN CENTRAL VIRGINIA KING GEORGE IN NORTHERN VIRGINIA STAFFORD THIS INCLUDES THE CITIES OF ANDORA, APPLETON, ARKENDALE, BARKSDALE, BAY VIEW, BLAKE, BOHEMIAS MILLS, BRANTWOOD, BROOKFIELD, BROOMES ISLAND, CALIFORNIA, CALLAWAY, CHESAPEAKE BEACH, COVE POINT, DAHLGREN, DAMERON, DRUM POINT, DUNKIRK, FALMOUTH, GARRISONVILLE, GLENDIE, LEXINGTON PARK, LONG BEACH, MOUNT HARMONY, PINEY POINT, RIDGE, ROLLINS FORK, SHILOH, SOTTERLEY, ST. CHARLES, WALDORF, AND WIDEWATER.

Severe Thunderstorm Watch issued June 11 at 7:14PM EDT until June 12 at 12:00AM EDT by NWS Wakefield VA

Effective: Thu June 11, 2026, 7:14 PM
Expires: Fri June 12, 2026, 12:00 AM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 317 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT FOR THE FOLLOWING AREAS IN MARYLAND THIS WATCH INCLUDES 4 COUNTIES IN SOUTHEAST MARYLAND DORCHESTER SOMERSET WICOMICO WORCESTER THIS INCLUDES THE CITIES OF CAMBRIDGE, CRISFIELD, OCEAN CITY, PRINCESS ANNE, AND SALISBURY.