Special Marine Warning Issued for Chesapeake Bay and Patapsco River
This alert is no longer in effect.
NOAA issued it on June 25, 2026, 8 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/Washington has issued a Special Marine Warning for severe thunderstorms with wind gusts over 48 knots until 7:30 PM EDT.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Chesapeake Bay, Maryland
- Issued
- June 25, 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 8 weeks ago; use the issuing agency's live warning service for current conditions in Chesapeake Bay, Maryland.
Alert Details
A Special Marine Warning has been issued by the National Weather Service Baltimore MD/Washington DC. The alert is effective from 5:32 PM EDT on June 6, 2026, until 7:30 PM EDT on June 6, 2026.
Affected Areas
The warning covers Chesapeake Bay north of Pooles Island MD; Chesapeake Bay from Pooles Island to Sandy Point MD; and Patapsco River including Baltimore Harbor. Impacted locations include Fort Smallwood State Park, Turkey Point, North Point State Park, Hart Miller Island, Tolchester Beach, Worton Point, Pooles Island, Spesutie Island, Gunpowder River, Northeast River, Sevenfoot Knoll, Havre De Grace, and Aberdeen Proving Ground.
What You Should Do
Mariners should move to safe harbor immediately.
Expected Conditions
Severe thunderstorms are expected with wind gusts in excess of 48 knots. At 5:29 PM EDT, storms were located along a line extending from 44 nm northwest of Middle River to 40 nm northwest of Key Bridge, moving east at 40 knots.
Timeline
The warning is in effect from 5:32 PM EDT until 7:30 PM EDT on June 6, 2026.
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 (1,075 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 25, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.