| Official Name: | Tidal, Pennsylvania |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Pennsylvania |
| Pushpin Label: | Tidal |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Armstrong |
| Subdivision Type3: | Township |
| Subdivision Name3: | Madison |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 1335 |
| Coordinates: | 40.9578°N -79.4961°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1189562 |
Tidal is an unincorporated community in Madison Township, Armstrong County, Pennsylvania, United States.[1] [2] The community is north of Kittanning along Pennsylvania Route 1031.
A post office called Tidal was established in 1888 and remained in operation until 1940.[3]