Tide Stations

distance	reference number	name	latitude	longitude
20.4	2552	Riverside, Merrimack River, Massachusetts	42.7633	-71.0767
23.8	1811	Merrimacport, Merrimack River, Massachusetts	42.825	-70.9883
28.2	2903	Squamscott River RR. Bridge, Piscataqua River, New	43.0533	-70.9133
28.3	2635	Salisbury Point, Merrimack River, Massachusetts	42.8383	-70.9083
31.1	1989	Newburyport, Merrimack River, Massachusetts	42.8117	-70.865
33.2	1209	Hampton Harbor, New Hampshire	42.9	-70.8167
33.7	2284	Plum Island, Merrimack River Entrance, Merrimack Ri	42.8167	-70.82
33.8	807	Dover, Piscataqua River, Cocheco River, New Hampshi	43.1983	-70.8683
33.8	805	Dover Point, Piscataqua River, New Hampshire	43.1167	-70.8333
35.9	2637	Salmon Falls River entrance, Piscataqua River, New	43.19	-70.825
37.0	51	Amelia Earhart Dam, Mystic River, Massachusetts	42.395	-71.0767
37.2	111	Atlantic Heights, Piscataqua River, New Hampshire	43.09	-70.7667
37.4	2283	Plum Island Sound (south end), Massachusetts	42.71	-70.7883
37.9	2436	Portsmouth, Portsmouth Harbor, New Hampshire	43.0783	-70.7517
38.1	2727	Seavey Island, Portsmouth Harbor, Maine (sub)	43.0833	-70.75
38.5	1720	Lynn, Lynn Harbor, Massachusetts	42.4583	-70.9433
38.5	2726	Seavey Island, Portsmouth Harbor, Maine	43.08	-70.7417
38.6	2633	Salem Harbor, Salem, Massachusetts	42.5233	-70.8767
38.8	519	Charlestown, Charles River, Massachusetts	42.375	-71.05
38.8	1408	Jaffrey Point, Portsmouth Harbor, Maine	43.0567	-70.7317
39.1	531	Chelsea St. Bridge, Chelsea River, Massachusetts	42.3867	-71.0233
39.8	311	Boston, Boston Harbor, Massachusetts	42.355	-71.0517
40.0	934	Essex, Massachusetts	42.6317	-70.7767
40.2	1033	Fort Point, New Hampshire	43.0717	-70.7117
40.2	1034	Fort Point, Portsmouth Harbor, New Hampshire	43.0717	-70.7117