Special Marine Warning Issued for Coastal Waters off Delaware
This alert is no longer in effect.
NOAA issued it on July 10, 2026, 6 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 Mount Holly NJ has issued a Special Marine Warning for coastal waters from Cape Henlopen to Fenwick Island DE out 20 NM until 11:15 PM EDT.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Coastal Delaware
- Issued
- July 10, 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 6 weeks ago; use the issuing agency's live warning service for current conditions in Coastal Delaware.
Alert Details
Special Marine Warning issued by NWS Mount Holly NJ. Effective from 10:15 PM EDT June 12, 2026 until 11:15 PM EDT June 12, 2026.
Affected Areas
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 NM. Locations impacted include Indian River Inlet Bridge, Bethany Beach, and Fenwick Island.
What You Should Do
Move to safe harbor immediately as gusty winds and high waves are expected. Frequent lightning is occurring with this storm. If caught on the open water, stay below deck if possible and keep away from ungrounded metal objects.
Expected Conditions
At 10:15 PM EDT, a strong thunderstorm was located 9 nm west of Bethany Beach, moving east at 15 knots. Hazard includes wind gusts 34 knots or greater and small hail. Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
Alert effective 2026-06-12T22:15:00-04:00 and expires 2026-06-12T23:15:00-04:00.
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 (934 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 10, 2026.
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