New York Severe Lakeshore Flood Warning | Effective 06/17/2026 23:39

Headline: 
Lakeshore Flood Warning issued June 18 at 2:39AM EDT until June 19 at 8:00PM EDT by NWS Buffalo NY
Event: 
Lakeshore Flood Warning
Urgency: 
Expected
Effective: 
June 17, 2026 - 11:39pm
Expires: 
June 18, 2026 - 12:00pm
Description: 
* WHAT...Minor lakeshore flooding expected. * WHERE...Oswego and Jefferson counties. * WHEN...From 2 PM this afternoon to 8 PM EDT Friday. * IMPACTS...The combination of high lake levels and significant wave action will result in minor lakeshore flooding along the immediate lakeshore, especially in bays, inlets, harbors, and other low lying areas along the shoreline. Shoreline erosion is also expected.
Instruction: 
A Lakeshore Flood Warning means lakeshore flooding is occurring, is imminent, or is expected to occur. For your safety, stay off breakwaters, piers, rock outcroppings and beaches! Waves are often larger than they appear and can easily wash you away. Expect beach erosion and debris, local road closures and extremely dangerous boating conditions.
Area Description: 
Oswego; Jefferson
Forcast Office: 
NWS Buffalo NY
Sender: 
w-nws.webmaster@noaa.gov