Special Marine Warning Issued for Chesapeake Bay and Maryland Rivers

Source: NOAA · Chesapeake Bay, Maryland

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NWS Baltimore MD/Washington DC has issued a Special Marine Warning for portions of the Chesapeake Bay and rivers in Maryland until 12:45 AM EDT due to strong thunderstorms with wind gusts of 34 knots or greater.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Chesapeake Bay, Maryland
Issued
August 23, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

A Special Marine Warning has been issued by the National Weather Service Baltimore MD/Washington DC. The alert is effective from 11:22 PM EDT on August 22, 2026, until 12:45 AM EDT on August 23, 2026.

Affected Areas

The warning covers Chesapeake Bay from North Beach to Drum Point MD; Choptank River to Cambridge MD and the Little Choptank River; and Patuxent River to Broomes Island MD.

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 11:22 PM EDT, strong thunderstorms were located along a line extending from 6 nm north of Port Tobacco River to near Popes Creek to near Saint Clements Bay, moving northeast at 20 knots. Hazard includes wind gusts 34 knots or greater, indicated by radar.

Timeline

The alert is in effect until 12:45 AM EDT on August 23, 2026.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Baltimore MD/Washington DC has issued a Special Marine Warning for portions of the Chesapeake Bay and rivers in Maryland until 12:45 AM EDT due to strong thunderstorms with wind gusts of 34 knots or greater.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Chesapeake Bay, Maryland. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.