The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties or areas: Chesapeake Bay from Pooles Island to Sandy Point,MD, Northwest Atlantic; Synopsis for North Chesapeake Bay and the Tidal Potomac, Northwest Atlantic; Chesapeake Bay from Sandy Point to North Beach,MD, Northwest Atlantic; New Hampshire; Chesapeake Bay north of Pooles Island,MD, Northwest Atlantic; at 3:49 PM on OCT 16, 2026 Effective until 5:49 PM. Message from ALPINE.