National Weather ServiceNew JerseyFlood AdvisoryArchive to October 1, 2026
Flood Advisories in New Jersey
The National Weather Service issued 25 flood advisories for New Jersey in 2025 and 147 a year on average in 2008-2025; in 2021-2025 it had the 26th most of any state. 2026 through September: 43, 68% below the average of 133 for those months in 2008-2025. Bergen was covered most often (669 times since 2008).
How many flood advisories does New Jersey get?
Every flood advisory that covered part of New Jersey. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 43 |
| 2025 | 25 |
| 2024 | 66 |
| 2023 | 220 |
| 2022 | 135 |
| 2021 | 184 |
| 2020 | 139 |
| 2019 | 197 |
| 2018 | 299 |
| 2017 | 162 |
| 2016 | 121 |
| 2015 | 137 |
| 2014 | 134 |
| 2013 | 202 |
| 2012 | 172 |
| 2011 | 182 |
| 2010 | 86 |
| 2009 | 117 |
| 2008 | 72 |
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 New Jersey 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 New Jersey?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Bergen | 669 | 141 | September 13, 2026 |
| Burlington | 570 | 36 | March 23, 2024 |
| Passaic | 519 | 98 | September 13, 2026 |
| Hudson | 499 | 88 | September 13, 2026 |
| Essex | 490 | 92 | September 13, 2026 |
| Gloucester | 425 | 28 | March 23, 2024 |
| Camden | 424 | 37 | March 23, 2024 |
| Hunterdon | 406 | 31 | April 12, 2024 |
| Mercer | 371 | 33 | March 23, 2024 |
| Ocean | 368 | 12 | October 7, 2023 |
| Somerset | 356 | 28 | April 12, 2024 |
| Middlesex | 344 | 27 | March 23, 2024 |
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 New Jersey.