Potomac River - St Marys River Entrance Tide Times and Heights
- 2:20 am0.41ft
- 9:06 am1.31ft
- 2:32 pm0.39ft
- 9:29 pm1.43ft
 
- 3:17 am0.37ft
- 10:09 am1.38ft
- 3:41 pm0.33ft
- 10:37 pm1.44ft
 
- 4:12 am0.3ft
- 11:06 am1.46ft
- 4:45 pm0.26ft
- 10:36 pm1.48ft
 
- 4:04 am0.22ft
- 10:57 am1.56ft
- 4:46 pm0.18ft
- 11:29 pm1.51ft
 
- 4:56 am0.14ft
- 11:46 am1.66ft
- 5:44 pm0.1ft
 
- 12:19 am1.54ft
- 5:46 am0.06ft
- 12:34 pm1.74ft
- 6:40 pm0.04ft
 
- 1:08 am1.54ft
- 6:35 am0.02ft
- 1:22 pm1.79ft
- 7:32 pm0.02ft