The tide timetable below is calculated from South Harpswell, Potts Harbor, Casco Bay, Maine but is also suitable for estimating tide times in the following locations:
- Harpswell Center (6.6km/4.1mi)
- Casco Bay (8.4km/5.2mi)
- Long Island (12km/7.5mi)
- Popham Beach (16.2km/10.1mi)
- Phippsburg (18.6km/11.6mi)
- Portland (19.8km/12.4mi)
- South Portland (20.1km/12.6mi)
- Woolwich (25.8km/16.1mi)
- North Bath (25.9km/16.2mi)
- Higgins Beach (27.8km/17.4mi)