Winnipesaukee River at Tilton, NH
USGS Site No: 01081000 • Winnipesaukee River • Belknap County, NH
Winnipesaukee River at Tilton, NH on the Winnipesaukee River is currently at 1,630 cfs (High — 89th percentile for this date) . Gage height: 5.10 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 280 | |
| 25th | Low threshold | 323 | |
| 50th (Median) | Normal (median) | 453 | |
| 75th | High threshold | 1,020 | |
| 95th | Very High threshold | 1,920 | Today: 1,630 cfs |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 1,670 | — |
| May 27, 2026 | 1,690 | — |
| May 26, 2026 | 1,710 | — |
| May 25, 2026 | 1,670 | — |
| May 24, 2026 | 1,610 | — |
| May 23, 2026 | 1,600 | — |
| May 22, 2026 | 1,620 | — |
| May 21, 2026 | 1,620 | — |
| May 20, 2026 | 1,610 | — |
| May 19, 2026 | 1,580 | — |
| May 18, 2026 | 1,460 | — |
| May 17, 2026 | 1,260 | — |
| May 16, 2026 | 1,120 | — |
| May 15, 2026 | 991 | — |
| Apr 21, 2026 | 481 | — |
| Apr 20, 2026 | 501 | — |
| Apr 19, 2026 | 487 | — |
| Apr 18, 2026 | 500 | — |
| Apr 17, 2026 | 521 | — |
| Apr 16, 2026 | 480 | — |
| Apr 15, 2026 | 474 | — |
| Apr 14, 2026 | 469 | — |
| Apr 13, 2026 | 467 | — |
| Apr 12, 2026 | 483 | — |
| Apr 11, 2026 | 712 | — |
| Apr 10, 2026 | 831 | — |
| Apr 9, 2026 | 847 | — |
| Apr 8, 2026 | 852 | — |
| Apr 7, 2026 | 700 | — |
| Apr 6, 2026 | 615 | — |
Station Information
- USGS Site No
- 01081000
- State
- NH
- County
- Belknap County
- Coordinates
- 43.4417, -71.5876
- Drainage Area
- 471 mi²
- Datum (ft)
- 441.4
- HUC Code
- 01070002
Flood Stage Thresholds
- Action Stage
- 5.0 ft
- Flood Stage
- 7.0 ft
- Moderate Flood
- 7.5 ft
- Major Flood
- 8.5 ft
Currently 1.90 ft below flood stage.
Recent Extremes
- Max discharge
-
2,090 cfsMay 18, 2025
- Min discharge
-
46 cfsNov 7, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Merrimack River at Franklin Junction, NHHigh3.5 mi · 3,570 cfs
-
Blackwater River Near Webster, NHHigh11.4 mi · 248 cfs
-
Smith River Near Bristol, NHNormal11.8 mi · 108 cfs
-
Warner River at Davisville, NHNormal15.1 mi · 162 cfs
-
Suncook River at North Chichester, NHNormal16.8 mi · 139 cfs