Manasquan River at Squankum NJ

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

Manasquan River at Squankum NJ on the Manasquan River is currently at 32 cfs (Normal — 28th percentile for this date) . Gage height: 2.57 ft.

Reading from

32
CFS Discharge
2.57
Gage Height (ft)
Normal
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 23
25th Low threshold 30
50th (Median) Normal (median) 43 Today: 32 cfs
75th High threshold 57
95th Very High threshold 232

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