| Portland, ME | Station ID: 8418150 |
Station Information
|
 Click image for larger image.
|
Data Types Available:Primary Water Level |
Station and Bench Mark DrawingClick HERE for Drawing(Not for navigational use) |
Station Location ChartletClick HERE for Map(Not for navigational use) |
EPOCH Update Information:
| EPOCH Datum Comparison: | Click HERE - | check datum differences between the old epoch (1960-1978) and the new epoch (1983-2001) |
| Superceded Bench Mark Data Sheet: | Click HERE - | bench mark sheet on the old Tidal Datum Epoch (1960-1978) |
| Superceded Datums: | Click HERE - | datums on the old Tidal Datum Epoch (1960-1978) |
| Mean Sea Level Differences List: | Click HERE - | mean sea level differences between the two epochs for all stations. |
| Mean Sea Level Difference: for 8418150 Portland, ME |
|
Location:
To reach the tidal bench marks from north bound Interstate 295 in Portland, take the Waterfront Exit (Alt. U.S. 1) to Commercial Street, then continue NE along Commercial Street for 2.4 km (1.5 mi) to the Maine State Pier, the last pier- warehouse along the waterfront. The bench marks are located within 1.6 km (1 mi) radius of tide station. The tide gage is located in the south corner on the off shore end of the Maine State Pier.