Special Marine Warning for St. Lawrence River NY
This alert is no longer in effect.
NOAA issued it on August 12, 2026, 11 days 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 Buffalo has issued a Special Marine Warning for the St. Lawrence River from Lake Saint Lawrence to Saint Regis until 3:00 PM EDT.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- St. Lawrence River NY
- Issued
- August 12, 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: historical. It was issued 11 days ago; use the issuing agency's live warning service for current conditions in St. Lawrence River NY.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in Buffalo NY. The alert is effective from August 12, 2026 at 1:26 PM EDT until August 12, 2026 at 3:00 PM EDT.
Affected Areas
The warning covers the Saint Lawrence River from Lake Saint Lawrence to Saint Regis NY, including Tucker Terrace, Lake Saint Lawrence, and the Eisenhower Lock.
What You Should Do
Move to safe harbor until hazardous weather passes.
Expected Conditions
At 1:25 PM EDT, a strong thunderstorm was located over Tucker Terrace moving east at 25 knots. Hazards include wind gusts of 34 knots or greater and small hail.
Timeline
The alert is in effect from 1:26 PM EDT to 3:00 PM EDT on August 12, 2026.
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 (728 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 12, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.