National Weather ServiceMarylandFlood AdvisoryArchive to October 1, 2026
Flood Advisories in Maryland
The National Weather Service issued 6 flood advisories for Maryland in 2025 and 42 a year on average in 2008-2025; in 2021-2025 it had the 46th most of any state. 2026 through September: 7, 82% below the average of 39 for those months in 2008-2025. Cecil was covered most often (277 times since 2008).
How many flood advisories does Maryland get?
Every flood advisory that covered part of Maryland. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 7 |
| 2025 | 6 |
| 2024 | 11 |
| 2023 | 23 |
| 2022 | 20 |
| 2021 | 41 |
| 2020 | 73 |
| 2019 | 47 |
| 2018 | 98 |
| 2017 | 65 |
| 2016 | 53 |
| 2015 | 58 |
| 2014 | 40 |
| 2013 | 61 |
| 2012 | 35 |
| 2011 | 51 |
| 2010 | 19 |
| 2009 | 34 |
| 2008 | 12 |
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 Maryland 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 Maryland?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Cecil | 277 | 0 | September 30, 2020 |
| Queen Anne's | 250 | 5 | December 28, 2023 |
| Kent | 245 | 5 | December 28, 2023 |
| Caroline | 245 | 6 | August 7, 2023 |
| Talbot | 181 | 5 | December 28, 2023 |
| Wicomico | 126 | 23 | September 13, 2026 |
| Worcester | 116 | 21 | September 13, 2026 |
| Somerset | 86 | 13 | September 13, 2026 |
| Dorchester | 83 | 10 | September 13, 2026 |
| Garrett | 26 | 0 | August 12, 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 flood advisory?
A flood advisory covers flooding that is less serious than a warning, such as water on roads or in low-lying areas, that is still a hazard to drivers and walkers. 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 Maryland.