Weather Alerts For Helen, MD

# HEADLINE -------------------- COASTAL FLOOD ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON # SUMMARY -------------------- 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 -------- --------- --------- --------- ------- -------- 23/12 PM 3.5 1.9 2.0 1.0 Minor 24/12 AM 3.1 1.5 1.7 1.0 None 24/12 PM 3.3 1.7 1.7 0.5 None 25/01 AM 3.0 1.4 1.5 0.5 None 25/02 PM 3.0 1.4 1.3 0.5 None 26/02 AM 2.6 1.0 1.1 0.5 None # DETAILS -------------------- WHAT Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding. WHERE Shoreline in Saint Mary's County. WHEN Until 5 PM EDT this afternoon, 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 Saint Mary's River, Smith Creek, and Jutland Creek. ADDITIONAL DETAILS Tides one and a half to two feet above normal. The next high tide at Point Lookout is at 11:55 AM. The next high tide at Piney Point is at 12:49 PM. The next high tide at Coltons Point is at 1:25 PM. ISSUED AT Friday, October 23, 2026 at 6:08 AM EDT ISSUED BY National Weather Service Baltimore MD/Washington DC HEADER Coastal Hazard Message # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. # AREAS AFFECTED -------------------- St. Marys