The tide timetable below is calculated from Plum Island, Merrimack River entrance, Merrimack River, Massachusetts but is also suitable for estimating tide times in the following locations:
- Newburyport (3.9km/2.5mi)
- Salisbury (4.2km/2.6mi)
- Hampton Beach (6.3km/3.9mi)
- Salisbury Point (7.5km/4.7mi)
- Ipswich (10.2km/6.3mi)
- Plum Island Sound (10.4km/6.5mi)
- Merrimacport (11.5km/7.2mi)
- Essex (14.2km/8.9mi)
- Rye (15.7km/9.8mi)
- Riverside (Merrimack River) (18.1km/11.3mi)