National Weather ServiceWisconsinLakeshore Flood AdvisoryArchive to October 1, 2026
Lakeshore Flood Advisories in Wisconsin
The National Weather Service issued 0 lakeshore flood advisories for Wisconsin in 2025 and 3 a year on average in 2008-2025; in 2021-2025 it had the 5th most of any state. 2026 through September: 0, 100% below the average of 2 for those months in 2008-2025. Ozaukee was covered most often (22 times since 2008).
How many lakeshore flood advisories does Wisconsin get?
Every lakeshore flood advisory that covered part of Wisconsin. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 0 |
| 2025 | 0 |
| 2024 | 0 |
| 2023 | 0 |
| 2022 | 0 |
| 2021 | 3 |
| 2020 | 31 |
| 2019 | 20 |
| 2018 | 3 |
| 2017 | 1 |
| 2016 | 0 |
| 2015 | 1 |
| 2014 | 1 |
| 2013 | 0 |
| 2012 | 0 |
| 2011 | 1 |
| 2010 | 0 |
| 2009 | 0 |
| 2008 | 0 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Wisconsin get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Wisconsin?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Ozaukee | 22 | 0 | October 25, 2021 |
| Sheboygan | 21 | 0 | March 18, 2021 |
| Door | 20 | 0 | November 18, 2020 |
| Brown | 19 | 0 | March 18, 2021 |
| Kewaunee | 18 | 0 | November 18, 2020 |
| Milwaukee | 17 | 0 | October 25, 2021 |
| Kenosha | 16 | 0 | October 25, 2021 |
| Racine | 16 | 0 | October 25, 2021 |
| Southern Oconto County | 16 | 0 | December 12, 2020 |
| Manitowoc | 15 | 0 | November 14, 2020 |
| Southern Marinette County | 11 | 0 | October 22, 2020 |
| Ashland | 5 | 0 | March 29, 2020 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a lakeshore flood advisory?
A lakeshore flood advisory covers minor flooding along a Great Lakes shore, such as water over low shore roads and beaches. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in Wisconsin.