Tide Stations

distance	reference number	name	latitude	longitude
21.6	2552	Riverside, Merrimack River, Massachusetts	42.7633	-71.0767
25.0	1811	Merrimacport, Merrimack River, Massachusetts	42.825	-70.9883
29.2	2903	Squamscott River RR. Bridge, Piscataqua River, New	43.0533	-70.9133
29.5	2635	Salisbury Point, Merrimack River, Massachusetts	42.8383	-70.9083
32.3	1989	Newburyport, Merrimack River, Massachusetts	42.8117	-70.865
34.4	1209	Hampton Harbor, New Hampshire	42.9	-70.8167
34.7	807	Dover, Piscataqua River, Cocheco River, New Hampshi	43.1983	-70.8683
34.8	805	Dover Point, Piscataqua River, New Hampshire	43.1167	-70.8333
34.9	2284	Plum Island, Merrimack River Entrance, Merrimack Ri	42.8167	-70.82
36.8	2637	Salmon Falls River entrance, Piscataqua River, New	43.19	-70.825
37.9	51	Amelia Earhart Dam, Mystic River, Massachusetts	42.395	-71.0767
38.3	111	Atlantic Heights, Piscataqua River, New Hampshire	43.09	-70.7667
38.6	2283	Plum Island Sound (south end), Massachusetts	42.71	-70.7883
39.0	2436	Portsmouth, Portsmouth Harbor, New Hampshire	43.0783	-70.7517
39.1	2727	Seavey Island, Portsmouth Harbor, Maine (sub)	43.0833	-70.75
39.5	1720	Lynn, Lynn Harbor, Massachusetts	42.4583	-70.9433
39.6	2726	Seavey Island, Portsmouth Harbor, Maine	43.08	-70.7417
39.7	519	Charlestown, Charles River, Massachusetts	42.375	-71.05
39.7	2633	Salem Harbor, Salem, Massachusetts	42.5233	-70.8767
39.9	1408	Jaffrey Point, Portsmouth Harbor, Maine	43.0567	-70.7317
40.0	531	Chelsea St. Bridge, Chelsea River, Massachusetts	42.3867	-71.0233
40.7	311	Boston, Boston Harbor, Massachusetts	42.355	-71.0517
41.2	934	Essex, Massachusetts	42.6317	-70.7767
41.3	1033	Fort Point, New Hampshire	43.0717	-70.7117
41.3	1034	Fort Point, Portsmouth Harbor, New Hampshire	43.0717	-70.7117