Special Marine Warning Issued for Tidal Potomac from Key Bridge to Indian Head
This alert is no longer in effect.
NOAA issued it on May 2, 2026, 3 months 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.
The National Weather Service has issued a Special Marine Warning for the Tidal Potomac from Key Bridge to Indian Head MD due to a strong thunderstorm with wind gusts up to 34 knots and small hail, effective until 4:15 PM EDT on April 24, 2026.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Tidal Potomac from Key Bridge to Indian Head MD
- Issued
- May 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 3 months ago; use the issuing agency's live warning service for current conditions in Tidal Potomac from Key Bridge to Indian Head MD.
Special Marine Warning in Tidal Potomac Area
Alert Details
A Special Marine Warning has been issued by the National Weather Service in Baltimore MD/Washington DC. It is effective from 3:27 PM EDT on April 24, 2026.
Affected Areas
The warning affects the Tidal Potomac from Key Bridge to Indian Head MD, including specific locations such as Tidal Basin, Key Bridge, Reagan National Airport, Woodrow Wilson Bridge, National Harbor, and Alexandria.
What You Should Do
Move to safe harbor until hazardous weather passes.
Expected Conditions
The alert includes wind gusts of 34 knots or greater and small hail. A strong thunderstorm is approaching Key Bridge, moving southeast at 25 knots.
Timeline
The warning is effective from 3:27 PM EDT on April 24, 2026, and ends at 4:15 PM EDT on the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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 (817 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 2, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.