Grape Island (ACT1501) Depth: 10 feet
LAT/LON: 42.2680° N 70.9313° W
Note: Depth is measured below surface. Subordinate station: only max/slack predictions available.Reference station: Boston Harbor (Deer Island Light) (BOS1111).
For predictions of Subordinate stations,
the solid red line depicts a curve fit between the flood, ebb and
slack values and approximates the segments between.
| Time (LST/LDT) | Event | Speed (knots) |
|---|---|---|
| 2021-01-16 01:32 AM | slack | - |
| 2021-01-16 04:48 AM | ebb | -0.39 |
| 2021-01-16 06:43 AM | slack | - |
| 2021-01-16 10:19 AM | flood | 0.56 |
| 2021-01-16 01:44 PM | slack | - |
| 2021-01-16 05:24 PM | ebb | -0.41 |
| 2021-01-16 07:19 PM | slack | - |
| 2021-01-16 11:01 PM | flood | 0.56 |
| 2021-01-17 02:20 AM | slack | - |
| 2021-01-17 05:36 AM | ebb | -0.37 |
| 2021-01-17 07:31 AM | slack | - |
| 2021-01-17 11:01 AM | flood | 0.51 |
| 2021-01-17 02:32 PM | slack | - |
| 2021-01-17 06:12 PM | ebb | -0.36 |
| 2021-01-17 08:01 PM | slack | - |
| 2021-01-17 11:43 PM | flood | 0.50 |
Disclaimer: These data are based upon the latest information available as of the date of your request, and may
differ from the published tidal current tables.