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 (Low — 20th percentile for this date) . Gage height: 2.57 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 | 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.
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
- County
- Monmouth County
- Coordinates
- 40.1614, -74.1547
- Drainage Area
- 44 mi²
- Datum (ft)
- 17.4
- HUC Code
- 020403010102
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 cfsMar 6, 2026
- Min discharge
-
16 cfsSep 2, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Swimming River Near Red Bank NJLow11.1 mi · 12 cfs
-
Big Brook Near Marlboro NJVery Low11.4 mi · 4 cfs
-
Deep Run Near Browntown NJUnknown16.7 mi
-
Manalapan Brook at Spotswood NJNormal20.1 mi · 27 cfs
-
Deep Run at Old Bridge NJNormal20.3 mi · 8 cfs