| Sebago Lake near North Windham, MaineLake, Sebago Lake | 262.87 ft | Low | +0.03 ft | 1 hour ago |
| West Grand Lake at Grand Lake Stream, MaineLake, West Grand Lake | 296.32 ft | Low | +0.07 ft | 29 min ago |
| Lewy Lake at Princeton, MaineLake, Lewy Lake | 200.82 ft | Normal | +0.04 ft | 44 min ago |
| Cobbosseecontee Stream at Gardiner, MaineRiver gauge, Cobbosseecontee Stream | 7.9 cfs | Very low | ±0 | 44 min ago |
| Kennebec River at Bingham, MaineRiver gauge, Kennebec River | 1,580 cfs | Very low | +57.1 cfs | 1 hour ago |
| Kennebec River at The Forks, MaineRiver gauge, Kennebec River | 599 cfs | Very low | −506.0 cfs | 29 min ago |
| Kennebec River near Madison, MaineRiver gauge, Kennebec River | 1,800 cfs | Very low | −10.0 cfs | 44 min ago |
| Otter Creek near Bar Harbor, MaineRiver gauge, Otter Creek | 20.0 cfs | Very high | +11.4 cfs | 24 min ago |
| Penobscot River at Eddington, MaineTidal gauge, Penobscot River | 2.27 ft | Very low | +0.03 ft | 59 min ago |
| Austin Stream at Bingham, MaineRiver gauge, Austin Stream | 165 cfs | High | +62.9 cfs | 59 min ago |
| Ducktrap River near Lincolnville, MaineRiver gauge, Ducktrap River | 1.2 cfs | Low | +0.1 cfs | 1 hour ago |
| East Branch Penobscot River at Grindstone, MaineRiver gauge, East Branch Penobscot River | 4.78 ft | Low | +0.02 ft | 1 hour ago |
| Meduxnekeag River at Lowery Rd. near Houlton, MaineRiver gauge, Meduxnekeag River | 44.3 cfs | Low | +4.9 cfs | 44 min ago |
| Mousam River at Route 4 near Sanford, MaineRiver gauge, Mousam River | 25.8 cfs | Low | −1.0 cfs | 44 min ago |
| Allagash River near Allagash, MaineRiver gauge, Allagash River | 2.40 ft | Below flood stage | ±0 | 1 hour ago |
| Androscoggin River at Rumford, MaineRiver gauge, Androscoggin River | 3.74 ft | Below flood stage | ±0 | 29 min ago |
| Androscoggin River near Auburn, MaineRiver gauge, Androscoggin River | 3.21 ft | Below flood stage | +0.13 ft | 1 hour ago |
| Aroostook River at Washburn, MaineRiver gauge, Aroostook River | 1.38 ft | Below flood stage | +0.06 ft | 29 min ago |
| Aroostook River near Masardis, MaineRiver gauge, Aroostook River | 2.74 ft | Below flood stage | +0.01 ft | 1 hour ago |
| Big Black River near Depot Mtn, MaineRiver gauge, Big Black River | 3.90 ft | Below flood stage | −0.01 ft | 1 hour ago |
| Black Stream near Dover-Foxcroft, MaineRiver gauge, Black Stream | 11.4 cfs | Normal | +2.4 cfs | 59 min ago |
| Branch Brook near Kennebunk, MaineRiver gauge, Branch Brook | 13.1 cfs | Normal | +1.7 cfs | 44 min ago |
| Carrabassett River near North Anson, MaineRiver gauge, Carrabassett River | 3.31 ft | Below flood stage | +0.02 ft | 29 min ago |
| Dead River near Dead River, MaineRiver gauge, Dead River | 361 cfs | Normal | +4.0 cfs | 29 min ago |
| E. Br. Penobscot River below Grand Lake MatagamonRiver gauge, E. Br. Penobscot River | 2.49 ft | Below flood stage | ±0 | 44 min ago |
| East Branch Wesserunsett Stream near Athens, MaineRiver gauge, East Branch Wesserunsett Stream | 29.1 cfs | Normal | +10.8 cfs | 29 min ago |
| Ellis River at South Andover, MaineRiver gauge, Ellis River | 5.48 ft | Below flood stage | +0.11 ft | 59 min ago |
| Fish River near Fort Kent, MaineRiver gauge, Fish River | 3.01 ft | Below flood stage | +0.06 ft | 44 min ago |
| Grand Lake Stream at Grand Lake Stream, MaineRiver gauge, Grand Lake Stream | 2.59 ft | Below flood stage | ±0 | 29 min ago |
| Hardwood Brook below Glidden Brk near Caribou, MaineRiver gauge, Hardwood Brook | 3.9 cfs | Normal | +0.5 cfs | 1 hour ago |
| Kenduskeag Stream near Bangor, MaineRiver gauge, Kenduskeag Stream | 3.11 ft | Below flood stage | +0.04 ft | 1 hour ago |
| Kennebec River at Calumet Bridge at Augusta, MaineTidal gauge, Kennebec River | 0.41 ft | Below flood stage | −2.04 ft | 29 min ago |
| Kennebec River at Gardiner, MaineTidal gauge, Kennebec River | 1.11 ft | Below flood stage | −2.15 ft | 29 min ago |
| Kennebec River at Hallowell, MaineTidal gauge, Kennebec River | 0.43 ft | Below flood stage | −2.34 ft | 23 min ago |
| Kennebec River at North Sidney, MaineRiver gauge, Kennebec River | 5.53 ft | Below flood stage | −0.26 ft | 1 hour ago |
| Kennebunk River near Kennebunk, MaineRiver gauge, Kennebunk River | 8.8 cfs | Normal | +1.6 cfs | 1 hour ago |
| Kingsbury Stream at Abbot Village, MaineRiver gauge, Kingsbury Stream | 6.58 ft | Below flood stage | +0.38 ft | 59 min ago |
| Libby Brook near Northfield, MaineRiver gauge, Libby Brook | 13.0 cfs | Normal | +2.5 cfs | 59 min ago |
| Little Androscoggin River near South Paris, MaineRiver gauge, Little Androscoggin River | 45.1 cfs | Normal | +1.0 cfs | 1 hour ago |
| Little Madawaska River at Caribou, MaineRiver gauge, Little Madawaska River | 3.52 ft | Below flood stage | +0.01 ft | 59 min ago |
| Mattawamkeag River near Mattawamkeag, MaineRiver gauge, Mattawamkeag River | 3.41 ft | Below flood stage | +0.05 ft | 1 hour ago |
| Meduxnekeag R above S Br Medux. R near HoultonRiver gauge, Meduxnekeag R | 2.40 ft | Below flood stage | +0.01 ft | 44 min ago |
| Mousam River near West Kennebunk, MaineRiver gauge, Mousam River | 59.0 cfs | Normal | +14.5 cfs | 44 min ago |
| Narraguagus River at Cherryfield, MaineRiver gauge, Narraguagus River | 176 cfs | Normal | +23.6 cfs | 29 min ago |
| North Branch Penobscot River near Pittston FarmRiver gauge, North Branch Penobscot River | 355 cfs | Normal | +8.1 cfs | 44 min ago |
| Old Stream near Wesley, MaineRiver gauge, Old Stream | 3.97 ft | Below flood stage | +0.16 ft | 59 min ago |
| Pearce Brook at Route 1 at Houlton, MaineRiver gauge, Pearce Brook | 1.82 ft | Below flood stage | +0.01 ft | 59 min ago |
| Penobscot River at Bangor, MaineTidal gauge, Penobscot River | −2.30 ft | Below flood stage | −5.15 ft | 29 min ago |
| Penobscot River at West Enfield, MaineRiver gauge, Penobscot River | 1.37 ft | Below flood stage | −0.07 ft | 59 min ago |
| Piscataquis River at Blanchard, MaineRiver gauge, Piscataquis River | 4.00 ft | Below flood stage | +0.25 ft | 59 min ago |
| Piscataquis River at Medford, MaineRiver gauge, Piscataquis River | 2.12 ft | Below flood stage | +0.11 ft | 1 hour ago |
| Piscataquis River near Dover-Foxcroft, MaineRiver gauge, Piscataquis River | 2.12 ft | Below flood stage | +0.07 ft | 59 min ago |
| Presumpscot River near West Falmouth, MaineRiver gauge, Presumpscot River | 2.06 ft | Below flood stage | −0.10 ft | 44 min ago |
| Royal River at Yarmouth, MaineRiver gauge, Royal River | 54.4 cfs | Normal | −4.5 cfs | 59 min ago |
| S. Br. Penobscot River near Canada Falls Lake, MaineRiver gauge, S. Br. Penobscot River | 64.7 cfs | Normal | −1.4 cfs | 29 min ago |
| Saco River at Cornish, MaineRiver gauge, Saco River | 3.55 ft | Below flood stage | −0.08 ft | 44 min ago |
| Sandy River near Madrid, MaineRiver gauge, Sandy River | 5.29 ft | Below flood stage | +0.20 ft | 29 min ago |
| Sandy River near Mercer, MaineRiver gauge, Sandy River | 3.30 ft | Below flood stage | −0.09 ft | 29 min ago |
| Sebec River at Sebec, MaineRiver gauge, Sebec River | 2.87 ft | Below flood stage | +0.44 ft | 29 min ago |
| Seboeis River near Shin Pond, MaineRiver gauge, Seboeis River | 4.40 ft | Below flood stage | ±0 | 29 min ago |
| Sheepscot River at North Whitefield, MaineRiver gauge, Sheepscot River | 1.81 ft | Below flood stage | ±0 | 44 min ago |
| Spencer Stream near Grand Falls, MaineRiver gauge, Spencer Stream | 423 cfs | Normal | +184 cfs | 44 min ago |
| St. Croix River at Baring, MaineRiver gauge, St. Croix River | 4.57 ft | Below flood stage | +0.02 ft | 29 min ago |
| St. Croix River at Vanceboro, MaineRiver gauge, St. Croix River | 4.31 ft | Below flood stage | +0.02 ft | 29 min ago |
| St. John River at Dickey, MaineRiver gauge, St. John River | 5.18 ft | Below flood stage | +0.08 ft | 29 min ago |
| St. John River at Ninemile Bridge, MaineRiver gauge, St. John River | 2.49 ft | Below flood stage | −0.09 ft | 1 hour ago |
| St. John River below Fish R, near Fort Kent, MaineRiver gauge, St. John River | 4.08 ft | Below flood stage | +0.30 ft | 59 min ago |
| Swift River near Roxbury, MaineRiver gauge, Swift River | 2.02 ft | Below flood stage | +0.39 ft | 44 min ago |
| Wild River at Gilead, MaineRiver gauge, Wild River | 98.1 cfs | Normal | +21.7 cfs | 29 min ago |
| Williams Brook at Phair, MaineRiver gauge, Williams Brook | 1.39 ft | Below flood stage | +0.01 ft | 44 min ago |
| Wytopitlock Stream near Wytopitlock MaineRiver gauge, Wytopitlock Stream | 2.53 ft | Below flood stage | ±0 | 1 hour ago |
| Androscoggin River at Bethel, MaineRiver gauge, Androscoggin River | 4.47 ft | No reference yet | +0.01 ft | 29 min ago |
| Saco River at Camp Ellis near Saco, MaineEstuary gauge, Saco River | −1.75 ft | No reference yet | −2.85 ft | 23 min ago |
| Sandy River near FarmingtonRiver gauge, Sandy River | 3.19 ft | No reference yet | −0.01 ft | 1 hour ago |
| Stony Brook at East Sebago, MaineRiver gauge, Stony Brook | 3.72 ft | No reference yet | +0.01 ft | 44 min ago |