Special Marine Warning Issued for Chesapeake Bay and Tidal Potomac
This alert is no longer in effect.
NOAA issued it on July 13, 2026, 5 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 issued a Special Marine Warning for Chesapeake Bay from Drum Point MD to Smith Point VA and Tidal Potomac from Cobb Island MD to Smith Point VA until 9:00 PM EDT.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Chesapeake Bay and Tidal Potomac
- Issued
- July 13, 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 5 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 was issued by the National Weather Service in Sterling Virginia (NWS Baltimore MD/Washington DC) at 7:54 PM EDT on June 14, 2026. The alert is effective from 7:54 PM EDT until 9:00 PM EDT.
Affected Areas
The warning covers Chesapeake Bay from Drum Point MD to Smith Point VA and Tidal Potomac from Cobb Island MD to Smith Point VA. Impacted locations include Yeocomico River, Breton Bay, Point Lookout, Tall Timbers, Coltons Point, Saint Clements Bay, Coles Point, Piney Point, Mouth Of The Potomac River, Saint George Island, and White Point Beach.
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 7:54 PM EDT, a strong thunderstorm was located 9 nm southwest of Mouth Of The Potomac River, moving northeast at 35 knots. Hazard includes wind gusts 34 knots or greater, detected by radar.
Timeline
The alert is in effect from June 14, 2026 at 7:54 PM EDT until June 14, 2026 at 9:00 PM EDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,125 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 13, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.