06/19/2026
⚠️ THIS ALERT IS NO LONGER ACTIVE OR HAS BEEN SUPERSEDED BY ANOTHER ALERT ⚠️
Lakeshore Flood Warning issued June 19 at 11:04AM EDT until June 19 at 8:00PM EDT by NWS Buffalo NY
SUMMARY:
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* WHAT...Minor lakeshore flooding.
* WHERE...Lake Ontario shore of Oswego and Jefferson counties.
Elevated water levels are also possible along the upper Saint
Lawrence River in the Thousand Islands region.
* WHEN...Until 8 PM EDT this evening.
* 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.
AFFECTS: Oswego; Jefferson
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 significant beach erosion and debris, local road closures
and extremely dangerous boating conditions.
URL TO CAMPAIGN DETAILS (WITH UP-TO-DATE WEATHER ALERT DETAILS):
https://hrpow.us/wQCz5mL
URGENCY: Expected
SEVERITY: Severe
CERTAINTY: Likely
EFFECTIVE DATE: 6/19/26 11:04 AM EST
EXPIRATION DATE: 6/19/26 8:00 PM EST
FULL ALERT TEXT:
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* WHAT...Minor lakeshore flooding.
* WHERE...Lake Ontario shore of Oswego and Jefferson counties.
Elevated water levels are also possible along the upper Saint
Lawrence River in the Thousand Islands region.
* WHEN...Until 8 PM EDT this evening.
* 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.
See the full message w/ attachments at:
https://hrpow.us/wQCz5mL