GRAND PORTAGE RIVER AT GRAND PORTAGE MN
USGS 04010510 · MN · live flow · gauge height · water temperature · 25.7 mi
Reading the gauge…

A USGS stream gaging station on the Minnesota River at Lac qui Parle Dam, Minnesota. Photo: Tony Webster, CC BY 2.0, via Wikimedia Commons
Search any USGS stream gauge by river or station name, by state, or near you. Each card shows the latest flow and how it compares with the normal range for today’s date; open a gauge for the full picture: trend, water temperature and what it means for trout, safety and the official NWS flood stage.
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USGS 04010510 · MN · live flow · gauge height · water temperature · 25.7 mi
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USGS 04010500 · MN · live flow · gauge height · 29.9 mi
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USGS 04001000 · MI · live flow · gauge height · water temperature · 49.3 mi
Reading the gauge…
Each state opens its USGS gauges and our water pages there; a water opens the live cards for its gauges, or the NOAA tides for flats and surf.
Search covers 11,178 USGS stream gauges that reported discharge, gauge height or water temperature in the 183 days before 2026-10-23 (USGS series catalog); readings are fetched live when a gauge is shown.
General guidance, not a fishing forecast, a safety guarantee or a statement about access. Planning a trip? The trip planner shows these readings on every day you fish a water.
USGS 04010510
Limited data: Not enough data: no water temperature or flow statistics here
No water temperature, flow statistics here.
Falling · 24 h
Gauge height, last 7 days: 27 readings from Nov 4, 6:15 PM CST to Nov 5, 8:15 PM CST; ranging 18.3 to 18.8 ft; latest 18.3 ft.
| Time | Gauge height (ft) |
|---|---|
| Nov 5, 8:15 PM CST | 18.3 |
| Nov 5, 7:15 PM CST | 18.3 |
| Nov 5, 6:15 PM CST | 18.3 |
| Nov 5, 5:15 PM CST | 18.3 |
| Nov 5, 4:15 PM CST | 18.4 |
| Nov 5, 3:15 PM CST | 18.4 |
| Nov 5, 2:15 PM CST | 18.4 |
| Nov 5, 1:15 PM CST | 18.5 |
| Nov 5, 12:15 PM CST | 18.5 |
| Nov 5, 11:15 AM CST | 18.5 |
| Nov 5, 10:15 AM CST | 18.5 |
| Nov 5, 9:15 AM CST | 18.5 |
| Nov 5, 8:15 AM CST | 18.5 |
| Nov 5, 7:15 AM CST | 18.6 |
| Nov 5, 6:15 AM CST | 18.7 |
| Nov 5, 5:15 AM CST | 18.7 |
| Nov 5, 4:15 AM CST | 18.8 |
| Nov 5, 3:15 AM CST | 18.8 |
| Nov 5, 2:15 AM CST | 18.7 |
| Nov 5, 1:15 AM CST | 18.7 |
| Nov 5, 12:15 AM CST | 18.7 |
| Nov 4, 11:15 PM CST | 18.7 |
| Nov 4, 10:15 PM CST | 18.7 |
| Nov 4, 9:15 PM CST | 18.7 |
| Nov 4, 8:15 PM CST | 18.6 |
| Nov 4, 7:15 PM CST | 18.6 |
| Nov 4, 6:15 PM CST | 18.7 |
Reading Nov 5, 8:15 PM CST · checked 8:35 PM CST
25.7 miles away in a straight line
USGS 04010500
Caution: High water: fish the edges; wading risky
No water temperature here. The full view adds the NWS forecast.
Much above normal for Nov 5 Rising · 24 h
Discharge, last 7 days: 27 readings from Nov 4, 6:00 PM CST to Nov 5, 8:00 PM CST; ranging 1,070 to 1,560 ft³/s; latest 1,340 ft³/s.
| Time | Discharge (ft³/s) | Gauge height (ft) |
|---|---|---|
| Nov 5, 8:00 PM CST | 1,340 | 6.07 |
| Nov 5, 7:00 PM CST | 1,360 | 6.1 |
| Nov 5, 6:00 PM CST | 1,380 | 6.13 |
| Nov 5, 5:00 PM CST | 1,390 | 6.16 |
| Nov 5, 4:00 PM CST | 1,410 | 6.19 |
| Nov 5, 3:00 PM CST | 1,430 | 6.22 |
| Nov 5, 2:00 PM CST | 1,440 | 6.24 |
| Nov 5, 1:00 PM CST | 1,460 | 6.27 |
| Nov 5, 12:00 PM CST | 1,480 | 6.3 |
| Nov 5, 11:00 AM CST | 1,490 | 6.33 |
| Nov 5, 10:00 AM CST | 1,510 | 6.36 |
| Nov 5, 9:00 AM CST | 1,530 | 6.39 |
| Nov 5, 8:00 AM CST | 1,540 | 6.4 |
| Nov 5, 7:00 AM CST | 1,560 | 6.44 |
| Nov 5, 6:00 AM CST | 1,560 | 6.44 |
| Nov 5, 5:00 AM CST | 1,560 | 6.43 |
| Nov 5, 4:00 AM CST | 1,540 | 6.4 |
| Nov 5, 3:00 AM CST | 1,520 | 6.36 |
| Nov 5, 2:00 AM CST | 1,470 | 6.28 |
| Nov 5, 1:00 AM CST | 1,420 | 6.21 |
| Nov 5, 12:00 AM CST | 1,320 | 6.03 |
| Nov 4, 11:00 PM CST | 1,210 | 5.82 |
| Nov 4, 10:00 PM CST | 1,130 | 5.66 |
| Nov 4, 9:00 PM CST | 1,080 | 5.57 |
| Nov 4, 8:00 PM CST | 1,070 | 5.55 |
| Nov 4, 7:00 PM CST | 1,070 | 5.54 |
| Nov 4, 6:00 PM CST | 1,090 | 5.59 |
USGS 04001000
No current reading. USGS answered but returned no recent value for this gauge (ice, maintenance or a seasonal gauge).
49.3 miles away in a straight line
Checked Nov 5, 8:35 PM CST; readings refresh at most every 15 minutes and statistics daily. Provisional USGS data can be revised. Conditions change: re-check before you go. This is general guidance, not a fishing forecast, a safety guarantee or a statement about access.
Reading Nov 5, 8:00 PM CST · checked 8:35 PM CST
29.9 miles away in a straight line