Special Marine Warning Issued for Long Island Sound West of New Haven CT
This alert is no longer in effect.
NOAA issued it on July 8, 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 Upton NY has issued a Special Marine Warning for Long Island Sound West of New Haven CT/Port Jefferson NY until 12:30 AM EDT due to strong thunderstorms producing wind gusts 34 knots or greater and small hail.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Long Island Sound
- Issued
- July 8, 2026
- Issuing authority
- NWS Upton NY
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 Long Island Sound.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in Upton NY. The alert is effective from 11:32 PM EDT on June 11, 2026, until 12:30 AM EDT on June 12, 2026.
Affected Areas
The warning covers Long Island Sound West of New Haven CT/Port Jefferson NY. Strong thunderstorms were located along a line extending from 6 nm northwest of Mamaroneck Harbor to near Eastchester Bay to near Upper New York Harbor, moving east at 20 knots. The storms will be near Eastchester Bay around 11:35 PM EDT, Execution Rocks, Saddle Rock, Little Neck Bay, and Mamaroneck Harbor around 11:40 PM EDT, Manhasset Bay around 11:45 PM EDT, Hempstead Harbor and Captain Harbor around 11:50 PM EDT, Stamford Harbor around 12:00 AM EDT, Oyster Bay, Oyster Bay Harbor, and Long Neck Point around 12:10 AM EDT, and Cold Spring Harbor around 12:15 AM EDT.
What You Should Do
Boaters should seek safe harbor immediately until these storms pass. If caught on the open water, stay below deck if possible and keep away from ungrounded metal objects.
Expected Conditions
Hazardous conditions include wind gusts 34 knots or greater, small hail, high waves, lightning, and heavy rain. Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
The alert is in effect from 11:32 PM EDT June 11 until 12:30 AM EDT June 12.
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 (1,368 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 8, 2026.
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