New Hampshire has 58 gauges on this page. 4 are reading below normal for the date and 1 above. The balance is tilted firmly towards low water.
The main rivers covered are the Ashuelot River, Connecticut River, Merrimack River and Androscoggin River. Fall is often a low point for rivers after the summer, until steady rain returns.
| Gauge | Level | Compared with normal | 24 hours | Updated |
|---|---|---|---|---|
| Androscoggin River at ErrolRiver gauge, Androscoggin River | 1,060 cfs | Very low | ±0 | 15 min ago |
| Spicket River at North SalemRiver gauge, Spicket River | 1.9 cfs | Very low | +0.1 cfs | 1 hour ago |
| Winnicut River at Greenland, near PortsmouthRiver gauge, Winnicut River | 41.9 cfs | Very high | −4.8 cfs | 15 min ago |
| Androscoggin River below Bog Brook at Cambridge NHRiver gauge, Androscoggin River | 1,210 cfs | Low | −100.0 cfs | 15 min ago |
| Cocheco River near RochesterRiver gauge, Cocheco River | 24.4 cfs | Low | ±0 | 45 min ago |
| Ammonoosuc River at Bethlehem JunctionRiver gauge, Ammonoosuc River | 1.88 ft | Below flood stage | −0.53 ft | 15 min ago |
| Androscoggin River near GorhamRiver gauge, Androscoggin River | 3.17 ft | Below flood stage | −0.11 ft | 30 min ago |
| Ashuelot River above The Branch, at KeeneRiver gauge, Ashuelot River | 65.72 ft | Below flood stage | −0.07 ft | 1 hour ago |
| Ashuelot River at HinsdaleRiver gauge, Ashuelot River | 4.03 ft | Below flood stage | −0.05 ft | 60 min ago |
| Ashuelot River at West SwanzeyRiver gauge, Ashuelot River | 6.25 ft | Below flood stage | −0.07 ft | 60 min ago |
| Ashuelot River below Surry Mount Dam, near KeeneRiver gauge, Ashuelot River | 131 cfs | Normal | −3.0 cfs | 15 min ago |
| Ashuelot River near GilsumRiver gauge, Ashuelot River | 2.82 ft | Below flood stage | −0.09 ft | 15 min ago |
| Baker River near RumneyRiver gauge, Baker River | 0.86 ft | Below flood stage | −0.22 ft | 1 hour ago |
| Bearcamp River at South TamworthRiver gauge, Bearcamp River | 46.8 cfs | Normal | −13.8 cfs | 45 min ago |
| Beaver Brook at North PelhamRiver gauge, Beaver Brook | 26.8 cfs | Normal | −9.6 cfs | 30 min ago |
| Blackwater River near WebsterRiver gauge, Blackwater River | 94.2 cfs | Normal | +4.2 cfs | 1 hour ago |
| Cockermouth River below Hardy Brook, at GrotonRiver gauge, Cockermouth River | 1.67 ft | Below flood stage | −0.22 ft | 45 min ago |
| Cold River at High Street, at AlsteadRiver gauge, Cold River | 1.95 ft | Below flood stage | −0.14 ft | 60 min ago |
| Connecticut River at North StratfordRiver gauge, Connecticut River | 4.24 ft | Below flood stage | −0.77 ft | 30 min ago |
| Connecticut River at North WalpoleRiver gauge, Connecticut River | 7.76 ft | Below flood stage | −0.05 ft | 1 hour ago |
| Connecticut River at West LebanonRiver gauge, Connecticut River | 5.60 ft | Below flood stage | +0.13 ft | 1 hour ago |
| Connecticut River below Indian Stream near PittsburgRiver gauge, Connecticut River | 488 cfs | Normal | −388.0 cfs | 30 min ago |
| Connecticut River near DaltonRiver gauge, Connecticut River | 9.93 ft | Below flood stage | +0.18 ft | 30 min ago |
| Contoocook River at PeterboroughRiver gauge, Contoocook River | 1.90 ft | Below flood stage | −0.11 ft | 1 hour ago |
| Contoocook River below Hopkinton Dam at W HopkintonRiver gauge, Contoocook River | 600 cfs | Normal | +90.0 cfs | 45 min ago |
| Contoocook River near HennikerRiver gauge, Contoocook River | 6.58 ft | Below flood stage | −0.04 ft | 1 hour ago |
| Diamond River near Wentworth LocationRiver gauge, Diamond River | 288 cfs | Normal | −413.0 cfs | 30 min ago |
| East Branch Pemigewasset River at LincolnRiver gauge, East Branch Pemigewasset River | 177 cfs | Normal | −90.0 cfs | 30 min ago |
| Exeter River at Haigh Road, near BrentwoodRiver gauge, Exeter River | 20.0 cfs | Normal | ±0 | 30 min ago |
| Exeter River at Odell Road, near SandownRiver gauge, Exeter River | 2.5 cfs | Normal | −1.1 cfs | 15 min ago |
| Isinglass River at Rochester Neck Road, near DoverRiver gauge, Isinglass River | 74.7 cfs | Normal | −4.5 cfs | 30 min ago |
| Lamprey River at Langford Road, at RaymondRiver gauge, Lamprey River | 16.8 cfs | Normal | ±0 | 60 min ago |
| Lamprey River near NewmarketRiver gauge, Lamprey River | 1.66 ft | Below flood stage | −0.08 ft | 30 min ago |
| Merrimack River at ConcordRiver gauge, Merrimack River | 3.90 ft | Below flood stage | +0.03 ft | 1 hour ago |
| Merrimack River at Franklin JunctionRiver gauge, Merrimack River | 5.13 ft | Below flood stage | +0.08 ft | 1 hour ago |
| Merrimack River at NashuaRiver gauge, Merrimack River | 4.68 ft | Below flood stage | −0.19 ft | 30 min ago |
| Merrimack River near Goffs Falls, below ManchesterRiver gauge, Merrimack River | 4.12 ft | Below flood stage | −0.37 ft | 1 hour ago |
| Oyster River near DurhamRiver gauge, Oyster River | 2.3 cfs | Normal | −1.0 cfs | 15 min ago |
| Peabody River at Gorham, New HampshireRiver gauge, Peabody River | 76.7 cfs | Normal | −58.3 cfs | 15 min ago |
| Pemigewasset River at PlymouthRiver gauge, Pemigewasset River | 1.27 ft | Below flood stage | −0.24 ft | 1 hour ago |
| Pemigewasset River at WoodstockRiver gauge, Pemigewasset River | 2.88 ft | Below flood stage | −0.39 ft | 1 hour ago |
| Piscataquog River below Everett Dam, near E WeareRiver gauge, Piscataquog River | 32.6 cfs | Normal | +2.6 cfs | 1 hour ago |
| Piscataquog River near GoffstownRiver gauge, Piscataquog River | 3.95 ft | Below flood stage | +0.03 ft | 1 hour ago |
| Saco River at River Street, at BartlettRiver gauge, Saco River | 3.01 ft | Below flood stage | −0.22 ft | 60 min ago |
| Saco River near ConwayRiver gauge, Saco River | 2.95 ft | Below flood stage | −0.24 ft | 60 min ago |
| Smith River near BristolRiver gauge, Smith River | 2.27 ft | Below flood stage | −0.05 ft | 1 hour ago |
| Souhegan River (Site Wlr-1) near MilfordRiver gauge, Souhegan River (Site Wlr-1) | 3.85 ft | Below flood stage | −0.12 ft | 60 min ago |
| Souhegan River at MerrimackRiver gauge, Souhegan River | 2.96 ft | Below flood stage | −0.07 ft | 30 min ago |
| South Branch Piscataquog River near GoffstownRiver gauge, South Branch Piscataquog River | 32.9 cfs | Normal | −6.2 cfs | 60 min ago |
| Spicket River near MethuenRiver gauge, Spicket River | 4.25 ft | Below flood stage | −0.02 ft | 30 min ago |
| Sugar River 0.2 Mi below Nh 11, at SunapeeRiver gauge, Sugar River 0.2 Mi | 14.7 cfs | Normal | ±0 | 45 min ago |
| Sugar River at West ClaremontRiver gauge, Sugar River | 1.41 ft | Below flood stage | −0.04 ft | 1 hour ago |
| Suncook River at North ChichesterRiver gauge, Suncook River | 3.41 ft | Below flood stage | −0.02 ft | 30 min ago |
| Upper Ammonoosuc River near GrovetonRiver gauge, Upper Ammonoosuc River | 2.59 ft | Below flood stage | −0.47 ft | 15 min ago |
| Warner River at DavisvilleRiver gauge, Warner River | 3.88 ft | Below flood stage | −0.11 ft | 1 hour ago |
| Winnipesaukee River at TiltonRiver gauge, Winnipesaukee River | 3.15 ft | Below flood stage | −0.26 ft | 45 min ago |
| Nubanusit Brook below Macdowell Dam near PeterboroughRiver gauge, Nubanusit Brook | 2.78 ft | No reference yet | −0.09 ft | 1 hour ago |
| Swift River 0.5 Mi below Hobbs Branch, near ConwayRiver gauge, Swift River 0.5 Mi | 4.33 ft | No reference yet | −0.18 ft | 60 min ago |
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