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) |
|---|---|---|
| 2024-07-21 02:54 AM | ebb | -0.37 |
| 2024-07-21 05:13 AM | slack | - |
| 2024-07-21 08:37 AM | flood | 0.49 |
| 2024-07-21 12:26 PM | slack | - |
| 2024-07-21 03:12 PM | ebb | -0.32 |
| 2024-07-21 05:19 PM | slack | - |
| 2024-07-21 08:31 PM | flood | 0.51 |
| 2024-07-22 12:20 AM | slack | - |
| 2024-07-22 03:42 AM | ebb | -0.40 |
| 2024-07-22 05:55 AM | slack | - |
| 2024-07-22 09:25 AM | flood | 0.54 |
| 2024-07-22 01:08 PM | slack | - |
| 2024-07-22 04:00 PM | ebb | -0.35 |
| 2024-07-22 06:07 PM | slack | - |
| 2024-07-22 09:25 PM | flood | 0.57 |
Disclaimer: The predictions from NOAA Current Predictions are based upon the
latest information available as of the date of your request.