Small Craft Advisory issued September 9 at 9:15AM EDT until September 10 at 4:00AM EDT by NWS Baltimore MD/Washington DC

Tidal Potomac from Key Bridge to Indian Head MD; Tidal Potomac from Indian Head to Cobb Island MD

Urgency: Expected

Certainty: Likely

Onset: 9/9/2026, 8:00:00 PM

Expires: 9/9/2026, 9:15:00 PM

Details

* WHAT...South winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD. * WHEN...From 4 PM this afternoon to 4 AM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

What To Do

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Other Active Small Craft Advisory Alerts

Small Craft Advisory issued September 9 at 9:53AM EDT until September 9 at 8:00PM EDT by NWS Grand Rapids MI

St Joseph to South Haven MI; South Haven to Holland MI; Holland to Grand Haven MI; Grand Haven to Whitehall MI; Whitehall to Pentwater MI; Pentwater to Manistee MI

Small Craft Advisory issued September 9 at 9:52AM EDT until September 10 at 10:00AM EDT by NWS Wakefield VA

James River from JRB to HRBT, Including the Elizabeth River

Small Craft Advisory issued September 9 at 9:52AM EDT until September 10 at 10:00AM EDT by NWS Wakefield VA

Chesapeake Bay from Smith Point to Windmill Point VA; Chesapeake Bay from Windmill Point to New Point Comfort VA; Chesapeake Bay from New Point Comfort to Little Creek VA; Chesapeake Bay from Little Creek VA to Cape Henry VA including the Chesapeake Bay Bridge Tunnel

Small Craft Advisory issued September 9 at 9:52AM EDT until September 10 at 1:00PM EDT by NWS Wakefield VA

Coastal waters from Fenwick Island DE to Chincoteague VA out 20 NM; Coastal waters from Chincoteague to Parramore Island VA out 20 NM; Coastal waters from Parramore Island to Cape Charles Light VA out 20 NM

Small Craft Advisory issued September 9 at 9:49AM EDT until September 11 at 5:00AM EDT by NWS Buffalo NY

Sodus Bay to Mexico Bay NY

Source: National Weather Service.