Special Marine Warning Issued for Chesapeake Bay and Tidal Potomac (Sep 2, 2026)
This alert is no longer in effect.
NOAA issued it on September 2, 2026, 2 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Baltimore MD/Washington DC has issued a Special Marine Warning for portions of the Chesapeake Bay and Tidal Potomac until 4:00 PM EDT due to strong thunderstorms producing wind gusts of 34 knots or greater.
This weather record, quickly
- Record type
- Special Marine Warning
- Affected area
- Chesapeake Bay and Tidal Potomac
- Issued
- September 2, 2026
- Issuing authority
- NWS Baltimore MD/Washington DC
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: historical. It was issued 2 weeks ago; use the issuing agency's live warning service for current conditions in Chesapeake Bay and Tidal Potomac.
Alert Details
A Special Marine Warning has been issued by the National Weather Service Baltimore MD/Washington DC. The alert is effective from 2:55 PM EDT on September 2, 2026, until 4:00 PM EDT on September 2, 2026. The warning carries a severity of Severe with immediate urgency and likely certainty.
Affected Areas
The warning covers Chesapeake Bay from Drum Point MD to Smith Point VA; Tidal Potomac from Indian Head to Cobb Island MD; Tidal Potomac from Cobb Island MD to Smith Point VA; and Tangier Sound and the inland waters surrounding Bloodsworth Island. Locations impacted include Yeocomico River, Breton Bay, Saint Clements Bay, Smith Island, Piney Point, Mouth Of The Potomac River, Southwest Middle Grounds, Ewell, Point Lookout, Tall Timbers, Cobb Island, Coltons Point, Nomini Bay, Coles Point, Saint George Island, Wicomico River, White Point Beach, and Crisfield.
What You Should Do
Move to safe harbor immediately as gusty winds and high waves are expected. Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel.
Expected Conditions
At 2:54 PM EDT, strong thunderstorms were located along a line extending from near Saint Inigoes Creek to White Point Beach to near Wicomico River, moving south at 35 knots. Hazard includes wind gusts 34 knots or greater, indicated by radar.
Timeline
The alert is in effect from 2:55 PM EDT until 4:00 PM EDT on September 2, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Similar notices nationwide by length or severity timing 8
Two cross-category peer sets, both computed from Areazine's own archive: notices with a similar body length, and notices near the same severity and agency date. These are drawn from other categories, not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,459 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 2, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.