Grand Portage River at Grand Portage MN

USGS Site No: 04010510 • Grand Portage River • Cook County, MN

Grand Portage River at Grand Portage MN on the Grand Portage River is currently at 0 cfs (Unknown) . Gage height: 14.69 ft.

Reading from

0
CFS Discharge
14.69
Gage Height (ft)
Unknown
Flow Condition
N/A
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 0
25th Low threshold 1
50th (Median) Normal (median) 5
75th High threshold 13
95th Very High threshold 0

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.

4 2 0 cfs Dec 14 Jan 12
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
Jan 12, 2026 2 —
Jan 11, 2026 2 —
Jan 10, 2026 2 —
Jan 9, 2026 2 —
Jan 8, 2026 1 —
Jan 7, 2026 1 —
Jan 6, 2026 1 —
Jan 5, 2026 1 —
Jan 4, 2026 1 —
Jan 3, 2026 1 —
Jan 2, 2026 1 —
Jan 1, 2026 1 —
Dec 31, 2025 1 —
Dec 30, 2025 1 —
Dec 29, 2025 1 —
Dec 28, 2025 1 —
Dec 27, 2025 1 —
Dec 26, 2025 1 —
Dec 25, 2025 1 —
Dec 24, 2025 1 —
Dec 23, 2025 1 —
Dec 22, 2025 1 —
Dec 21, 2025 1 —
Dec 20, 2025 1 —
Dec 19, 2025 1 —
Dec 18, 2025 1 —
Dec 17, 2025 1 —
Dec 16, 2025 1 —
Dec 15, 2025 1 —
Dec 14, 2025 1 —

Station Information

USGS Site No
04010510
State
MN
County
Cook County
Coordinates
47.9636, -89.6834
Drainage Area
7 mi²
Datum (ft)
619.0
HUC Code
04010101
View on USGS NWIS →

Recent Extremes

Max discharge
5 cfs
Oct 21, 2025
Min discharge
0 cfs
Nov 18, 2025

Computed from the local daily-values archive.

Nearby Gauges

Related