About this river
Winnipesaukee River is an 8.5 mile river near Outdoor New England | ONE in New Hampshire. Streamflow is measured at the USGS gauge Winnipesaukee River at Tilton, NH (site 01081000). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1937 to 2026
Winnipesaukee River typically runs highest in April, at a median 1,030 cfs, and lowest in August, at 305 cfs. The highest flow on record for any single day is 4,480 cfs, in 1984.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 812 | 551 to 1,210 | |
| February | 823 | 513 to 1,210 | |
| March | 871 | 542 to 1,220 | |
| April | 1,030 | 586 to 1,585 | |
| May | 743 | 398 to 1,400 | |
| June | 496 | 320 to 1,005 | |
| July | 327 | 275 to 547 | |
| August | 305 | 265 to 508 | |
| September | 306 | 263 to 505 | |
| October | 323 | 256 to 520 | |
| November | 426 | 296 to 738 | |
| December | 620 | 356 to 1,030 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 89 years of record. Statistics published by the US Geological Survey for Winnipesaukee River at Tilton, NH (site 01081000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
One mapped launch sits in the mapped area of Winnipesaukee River. Ramp data comes from the USGS national boat-ramp inventory.
- TiltonWinnipesaukee RiverPublic
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Winnipesaukee River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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