Special Marine Warning Issued for St. Lawrence River NY
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NWS Buffalo has issued a Special Marine Warning for the St. Lawrence River from Cape Vincent to Saint Regis until 3:45 PM EDT due to strong thunderstorms.
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- Record type
- Special Marine Warning
- Affected area
- St. Lawrence River, New York
- Issued
- August 14, 2026
- Issuing authority
- NWS Buffalo 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Special Marine Warning issued by NWS Buffalo NY. Effective from August 14, 2026 at 2:21 PM EDT until August 14, 2026 at 3:45 PM EDT.
Affected Areas
St. Lawrence River above Ogdensburg NY; St. Lawrence River from Ogdensburg to St. Regis NY. Locations impacted include Alexandria Bay, Wellesley Island, and Clayton.
What You Should Do
Move to safe harbor until hazardous weather passes.
Expected Conditions
At 2:20 PM EDT, strong thunderstorms were located along a line extending from 31 nm northeast of Clayton to 24 nm northwest of Wellesley Island, moving southeast at 30 knots. Hazard includes wind gusts to 40 knots and small hail.
Timeline
Alert effective immediately on August 14, 2026 at 2:21 PM EDT and expires at 3:45 PM EDT the same day.
Original source: NOAA Official Notice ↗
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