Note: The Coastal Flood Warning has expired for the DC region. The most recent warning issuance before the expiration is below.
A Coastal Flood Warning is in effect to 10 pm Sunday, October 12, 2025 including the following jurisdictions.
MARYLAND: St. Mary’s.
Excerpted from the National Weather Service:
…COASTAL FLOOD WARNING IN EFFECT UNTIL 10 PM EDT THIS EVENING…
WHAT…One half to one foot of inundation above ground level in low lying areas due to tidal flooding.
WHERE…Shoreline in St. Marys County.
WHEN…Until 10 PM EDT this evening, especially around the time of high tide.
IMPACTS…At 3.5 feet, water covers roads on Saint George Island, is in yards, and is approaching structures. To the east, inundation is occurring at multiple marinas off St. Mary`s River, Smith Creek, and Jutland Creek.
ADDITIONAL DETAILS…Tides two to two and a half feet above normal. The next high tide at Point Lookout is at 6:44 PM. The next high tide at Coltons Point is at 7:48 PM. The next high tide at Piney Point is at 7:12 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
Time of high total tides are approximate to the nearest hour.
St Marys River at Straits Point
MLLW Categories – Minor 3.0 ft, Moderate 3.5 ft, Major 5.0 ft
MHHW Categories – Minor 1.4 ft, Moderate 1.9 ft, Major 3.4 ft
Total Total Departure
Day/Time Tide Tide from Norm Waves Flood
ft MLLW ft MHHW ft ft Impact
——– ——— ——— ——— ——- ——–
12/07 PM 3.8 2.2 2.1 1.0 Minor
13/08 AM 3.5 1.9 2.1 1.0 Minor
13/07 PM 3.2 1.6 1.7 1.0 None
14/09 AM 2.7 1.1 1.3 1.0 None
14/10 PM 3.0 1.4 1.5 1.0 None
15/09 AM 3.0 1.4 1.7 1.0 None