Winnipesaukee River at Tilton, NH

USGS Site No: 01081000Winnipesaukee 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

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

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.

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