Special Marine Warning Issued for Upper Delaware Bay
This alert is no longer in effect.
NOAA issued it on June 2, 2026, 2 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.
NWS Mount Holly NJ has issued a Special Marine Warning for Upper Delaware Bay until 7:00 PM EDT on May 20 due to strong thunderstorms with wind gusts to 50 knots and small hail.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Upper Delaware Bay
- Issued
- June 2, 2026
- Issuing authority
- NWS Mount Holly NJ
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 months ago; use the issuing agency's live warning service for current conditions in Upper Delaware Bay.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in Mount Holly NJ. The alert is effective from May 20 at 5:01 PM EDT until May 20 at 7:00 PM EDT.
Affected Areas
Upper Delaware Bay waters north of East Point NJ to Slaughter Beach DE. Locations impacted include Woodland Beach, Sea Breeze, Stony Point, Ship John Shoal Light, Pea Patch Island, and Reedy Point.
What You Should Do
Move to safe harbor immediately as gusty winds and high waves are expected. Frequent lightning is occurring with these storms. If caught on the open water, stay below deck if possible and keep away from ungrounded metal objects.
Expected Conditions
At 5:00 PM EDT, strong thunderstorms were located along a line extending from 30 nm north of Pea Patch Island to 7 nm north of Havre De Grace to near Middle River, moving east at 35 knots. Hazard includes wind gusts to nearly 50 knots and small hail.
Timeline
The warning is in effect from May 20 at 5:01 PM EDT until May 20 at 7:00 PM EDT.
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 (1,025 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 2, 2026.
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