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 (Very High — 99th percentile for this date) . Gage height: 5.10 ft.

Reading from

1,630
CFS Discharge
5.10
Gage Height (ft)
Very High
Flow Condition
Normal
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 28 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 126
25th Low threshold 244
50th (Median) Normal (median) 327
75th High threshold 538
95th Very High threshold 1,160

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.

3k 1.5k 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

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
Coordinates
43.4417, -71.5876
Drainage Area
471 mi²
Datum (ft)
441.4
HUC Code
01070002
View on USGS NWIS →

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 cfs
May 18, 2025
Min discharge
46 cfs
Nov 7, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges