Nantucket County weather alerts
There are no active weather alerts for Nantucket County, MA right now.
Since 2016 the National Weather Service has issued about 719 alerts that included Nantucket County, roughly 72 a year. The most common is the wind advisory (190 from 2016 to 2025). The last tornado warning was issued on November 12, 2021.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Nantucket County at the moment. This page updates automatically when the National Weather Service issues one.
Nantucket County alert history
Alert events that included Nantucket County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Wind Advisory | 190 | 3 | May 30, 2026 |
| Dense Fog Advisory | 142 | 0 | July 1, 2025 |
| Coastal Flood Advisory | 98 | 7 | September 27, 2026 |
| High Wind Warning | 66 | 5 | September 25, 2026 |
| High Wind Watch | 50 | 3 | September 25, 2026 |
| Winter Weather Advisory | 29 | 4 | February 22, 2026 |
| Flood Watch | 22 | 2 | September 26, 2026 |
| Coastal Flood Warning | 18 | 3 | September 25, 2026 |
| Red Flag Warning | 16 | 0 | November 19, 2024 |
| Severe Thunderstorm Warning | 12 | 0 | August 13, 2023 |
| Winter Storm Watch | 12 | 3 | February 22, 2026 |
| Severe Thunderstorm Watch | 10 | 0 | July 25, 2025 |
| Tropical Storm Warning | 8 | 0 | September 14, 2023 |
| Tropical Storm Watch | 7 | 0 | September 13, 2023 |
| Winter Storm Warning | 7 | 1 | January 25, 2026 |
| Flood Warning | 6 | 0 | May 23, 2020 |
| Fire Weather Watch | 5 | 0 | April 7, 2023 |
| Blizzard Warning | 4 | 1 | February 22, 2026 |
| Cold Weather Advisory | 3 | 1 | January 24, 2026 |
| Flood Advisory | 2 | 0 | October 12, 2018 |
| Freeze Watch | 2 | 0 | April 26, 2024 |
| Freeze Warning | 2 | 0 | April 26, 2024 |
| Frost Advisory | 2 | 0 | April 27, 2024 |
| Tornado Watch | 2 | 0 | September 2, 2021 |
| Hurricane Watch | 1 | 0 | August 20, 2021 |
| Storm Surge Warning | 1 | 0 | August 20, 2021 |
| Tornado Warning | 1 | 0 | November 12, 2021 |
| Extreme Cold Warning | 1 | 0 | February 3, 2023 |
Tornado history
No tornadoes are recorded in Nantucket County in the NOAA Storm Prediction Center database since 1950.
About Nantucket County
- Population: 14,670 (2024 estimate)
- State: Massachusetts
- NOAA Weather Radio SAME code: 025019 (how to use it)