Manasquan River at Squankum NJ

USGS Site No: 01408000Manasquan River • Monmouth County, NJ

Manasquan River at Squankum NJ on the Manasquan River is currently at 32 cfs (Low — 20th percentile for this date) . Gage height: 2.57 ft.

Reading from

32
CFS Discharge
2.57
Gage Height (ft)
Low
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 28
25th Low threshold 34 Today: 32 cfs
50th (Median) Normal (median) 40
75th High threshold 58
95th Very High threshold 105

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.

467 233 0 cfs Apr 7 May 29
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 29, 2026 33
May 28, 2026 38
May 27, 2026 42
May 26, 2026 53
May 25, 2026 101
May 24, 2026 129
May 23, 2026 28
May 22, 2026 30
May 21, 2026 37
May 20, 2026 25
May 19, 2026 26
May 18, 2026 27
May 17, 2026 28
May 16, 2026 30
May 15, 2026 31
Apr 21, 2026 36
Apr 20, 2026 37
Apr 19, 2026 37
Apr 18, 2026 37
Apr 17, 2026 36
Apr 16, 2026 37
Apr 15, 2026 38
Apr 14, 2026 40
Apr 13, 2026 39
Apr 12, 2026 39
Apr 11, 2026 41
Apr 10, 2026 41
Apr 9, 2026 42
Apr 8, 2026 43
Apr 7, 2026 46

Station Information

USGS Site No
01408000
State
NJ
Coordinates
40.1614, -74.1547
Drainage Area
44 mi²
Datum (ft)
17.4
HUC Code
020403010102
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
7.0 ft
Flood Stage
8.5 ft
Moderate Flood
10.0 ft
Major Flood
11.0 ft

Currently 5.93 ft below flood stage.

Recent Extremes

Max discharge
404 cfs
Mar 6, 2026
Min discharge
16 cfs
Sep 2, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges