084 FZUS71 KLWX 122010 MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 410 PM EDT Fri Jun 12 2026 ANZ535-536-122130- /O.CON.KLWX.MA.W.0077.000000T0000Z-260612T2130Z/ 410 PM EDT Fri Jun 12 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 530 PM EDT... For the following areas... Tidal Potomac from Indian Head to Cobb Island MD... Tidal Potomac from Key Bridge to Indian Head MD... At 410 PM EDT, a strong thunderstorm was located over Key Bridge, moving east at 15 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... Potomac Creek, Maryland Point, Nanjemoy Creek, Port Tobacco River, Colonial Beach, Leesylvania State Park, Swan Point, Gunston Hall, Mathias Point, U.S. 301 Nice Memorial Bridge, Mason Neck State Park, Woodrow Wilson Bridge, Indian Head, Occoquan Bay, Fort Hunt, Popes Creek, Brent Point, Reagan National Airport, Quantico, and Westmoreland State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 3866 7724 3864 7719 3865 7716 3870 7720 3873 7706 3890 7705 3870 7700 3867 7708 3851 7724 3839 7723 3846 7701 3835 7696 3829 7687 3817 7685 3817 7686 3821 7695 3835 7704 3838 7706 3833 7729 3841 7733 TIME...MOT...LOC 2010Z 291DEG 15KT 3887 7708 HAIL...0.00IN WIND...>34KTS $$ LFR 191 FZUS71 KLWX 122026 MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 426 PM EDT Fri Jun 12 2026 ANZ530>534-539>541-122130- 426 PM EDT Fri Jun 12 2026 ...A STRONG THUNDERSTORM APPROACHING THE WATERS... The areas affected include... Chesapeake Bay from Drum Point MD to Smith Point VA... Chesapeake Bay from North Beach to Drum Point MD... Chesapeake Bay from Pooles Island to Sandy Point MD... Chesapeake Bay from Sandy Point to North Beach MD... Chesapeake Bay north of Pooles Island MD... Chester River to Queenstown MD... Choptank River to Cambridge MD and the Little Choptank River... Eastern Bay... At 425 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located near Fort Washington, moving east at 30 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. Intense lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 3940 7635 3927 7620 3927 7621 3915 7628 3900 7617 3897 7625 3869 7635 3867 7634 3878 7629 3867 7620 3868 7618 3857 7631 3852 7622 3849 7632 3849 7633 3836 7625 3832 7642 3871 7655 3902 7641 3905 7645 $$ LFR 294 FZUS71 KLWX 122026 RRA MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 426 PM EDT Fri Jun 12 2026 ANZ530>534-539>541-122130- 426 PM EDT Fri Jun 12 2026 ...A STRONG THUNDERSTORM APPROACHING THE WATERS... The areas affected include... Chesapeake Bay from Drum Point MD to Smith Point VA... Chesapeake Bay from North Beach to Drum Point MD... 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... Choptank River to Cambridge MD and the Little Choptank River... Eastern Bay... At 426 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located near Fort Washington, moving east at 30 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. Intense lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 3940 7635 3927 7620 3927 7621 3915 7628 3900 7617 3897 7625 3869 7635 3867 7634 3878 7629 3867 7620 3868 7618 3857 7631 3852 7622 3849 7632 3849 7633 3836 7625 3832 7642 3871 7655 3902 7641 3905 7645 $$ LFR