New York dense fog advisories
There are no dense fog advisories in New York right now. The last one was issued on August 21, 2026.
Fog will reduce visibility to a quarter mile or less, making driving hazardous.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
Map data: NWS, OpenFreeMap, OpenStreetMap
Active dense fog advisories in New York
None right now. Other active alerts in New York: none.
Dense Fog Advisories in New York by year
New York averaged 19 dense fog advisories per year from 2016 to 2025, and has had 17 so far in 2026. The most recent was issued on August 21, 2026.
Counties with the most dense fog advisories
| County | 2016–2025 |
|---|---|
| Suffolk County | 92 |
| Nassau County | 65 |
| Westchester County | 48 |
| Queens County | 40 |
| Erie County | 36 |
| Kings County | 32 |
| Niagara County | 28 |
| Putnam County | 26 |
| Bronx County | 26 |
| Rockland County | 23 |
What a dense fog advisory means
Dense fog can cause chain-reaction crashes on highways because drivers suddenly lose sight of the road ahead.
More about dense fog advisories and the national map →
What to do
- Slow down, use low-beam headlights and leave plenty of distance.
- Never use high beams in fog.
More New York alerts
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- Tornado Watches
- Severe Thunderstorm Warnings
- Flash Flood Warnings
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- Winter Storm Warnings
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- Winter Weather Advisories
- Lake Effect Snow Warnings
- Extreme Cold Warnings
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- Freeze Warnings
- Frost Advisories
- Heat Advisories
- High Wind Warnings
- Wind Advisories
- All New York alerts