For a PDF of all 2025 Maccan Tidal Bore times, click here.
Please remember that the bore can happen up to 20 minutes earlier or later than the posted times! Bore heights may also vary. To learn more about the bore, click here.
MACCAN TIDAL BORE TIMES: MAY 2025
| Date | AM Bore | PM Bore | Bore Height |
| May 1 | 1:52 am | 2:27 pm | High(2-3) |
| May 2 | 2:48 am | 3:25 pm | High(2) |
| May 3 | 3:47 am | 4:26 pm | Low |
| May 4 | 4:50 am | 5:31 pm | Low |
| May 5 | 5:57 am | 6:37 pm | Low |
| May 6 | 7:04 am | 7:39 pm | Low |
| May 7 | 8:05 am | 8:34 pm | Low |
| May 8 | 8:59 am | 9:22 pm | Low |
| May 9 | 9:47 am | 10:05 pm | Low |
| May 10 | 10:29 am | 10:42 pm | Low |
| May 11 | 11:07 am | 11:18 pm | Low |
| May 12 | 11:43 am | 11:52 pm | Low |
| May 13 | — | 12:18 pm | Low |
| May 14 | 12:27 am | 12:54 pm | Low |
| May 15 | 1:04 am | 1:32 pm | Low |
| May 16 | 1:43 am | 2:12 pm | Low |
| May 17 | 2:25 am | 2:55 pm | Low |
| May 18 | 3:10 am | 3:43 pm | Low |
| May 19 | 3:59 am | 4:34 pm | Low |
| May 20 | 4:54 am | 5:30 pm | Low |
| May 21 | 5:53 am | 6:26 pm | Low |
| May 22 | 6:52 am | 7:23 pm | Low |
| May 23 | 7:51 am | 8:18 pm | Low-High(2) |
| May 24 | 8:48 am | 9:11 pm | High(2) |
| May 25 | 9:43 am | 10:04 pm | High(2-3) |
| May 26 | 10:37 am | 10:57 pm | High(3) |
| May 27 | 11:31 am | 11:50 pm | High(3) |
| May 28 | — | 12:15 pm | High(3) |
| May 29 | 12:44 am | 1:19 pm | High(3) |
| May 30 | 1:39 am | 2:14 pm | High(2) |
| May 31 | 2:34 am | 3:10 pm | High(2) |
The Tidal Bore Times for the Maccan Tidal View Wetlands Park were generously prepared by Ken Adams (former Director/Curator, Fundy Geological Museum) using the methodology described by Gordon Boss, and the 2024 tidal predictions for Saint John, New Brunswick in the Canadian Tide and Current Tables, available from Fisheries and Oceans Canada which can be found online here: http://www.waterlevels.gc.ca/eng/station?sid=65.
Tidal bore times for Maccan can also be found at: http://www.waterlevels.gc.ca/eng/station?sid=210.