Raisin River at Black River water level

Name: Raisin River at Black River water level (Environment and Climate Change Canada – Water Survey of Canada)
Creator: Environment and Climate Change Canada – Water Survey of Canada
License: https://open.canada.ca/en/open-government-licence-canada

River gauge, Raisin River, Ontario, Canada

Directions

Very high for mid-October

Water level

5.27m Down 0.08 m over the last 24 hours

Measured Oct 18, 2026, 07:30 AM EDT (1 hour ago)

Flow: 4.61 m³/s

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

The gauge at Raisin River at Black River shows 5.27 m, well above normal for mid-October.

That puts it 0.79 m above the median of 4.49 m for mid-October, based on 21 years of readings. A year ago it stood at 4.19 m (+1.09 m).

The level is falling, down 0.08 m over the past 24 hours. Over the past 30 days it has moved between 4.28 m and 5.36 m.

That stands out in fall, when many rivers are usually near their lowest.

Compared with 21 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 4.49 m0.79 m above the median for this date
Normal for this date: 4.24 m – 4.75 m8 years in 10 fall in this range (21 years of records)
Same day last year: 4.19 m+1.09 m
Lowest and highest in 30 days: 4.28 m – 5.36 m
Lowest and highest in 12 months: 4.19 m – 5.33 m

High water at Raisin River at Black River

Official flood alerts and warnings come from the provincial river forecast centre. They cover areas, not single gauges, so a warning can be in force before this reading looks dramatic.

Keep children and dogs well back from the edge, and stay off flooded footpaths and towpaths.

About the Raisin River

The Raisin River is a river in South Stormont and South Glengarry, United Counties of Stormont, Dundas and Glengarry in eastern Ontario, Canada, with the watershed encompassing portions of North Stormont, North Glengarry and the city of Cornwall as well. It empties into Lake Saint Francis on the Saint Lawrence River near the community of Lancaster.

Weather at the gauge

Rain in the last 3 days: 16 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 13° 1° – Wind 22 km/h

19 Mon 15° 7° – Wind 20 km/h

20 Tue 14° 5° – Wind 12 km/h

21 Wed 12° 1° – Wind 13 km/h

22 Thu 14° 3° – Wind 21 km/h

23 Fri 9° 0° – Wind 15 km/h

24 Sat 11° -1° – Wind 11 km/h

Forecast: Open-Meteo

Sunrise 07:20 AM Sunset 06:11 PM Daylight 10 hr, 51 min First quarter 49%

Map

Other gauges on the Raisin River

Gauge	Level	Compared with normal	24 hours	Distance
Raisin River near WilliamstownRiver gauge, Raisin River	9.82 m	Very high	−0.04 m	20 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Payne River near BerwickRiver gauge, Payne River	6.44 m	Very high	−0.21 m	22 km
St. Regis River at Brasher CenterRiver gauge, St. Regis River	7.15 ft	Below flood stage	−0.03 ft	16 mi
South Nation River at ChestervilleRiver gauge, South Nation River	6.32 m	Very high	−0.01 m	28 km
Raquette River at RaymondvilleRiver gauge, Raquette River	1,210 cfs	Normal	+40.0 cfs	18 mi
Little Salmon River at BombayRiver gauge, Little Salmon River	3.75 ft	Below flood stage	−1.13 ft	18 mi
Grass River at Chase MillsRiver gauge, Grass River	1,290 cfs	Normal	−80.0 cfs	19 mi
Garry River near AlexandriaRiver gauge, Garry River	81.54 m	High	+0.01 m	31 km
Riviere Delisle near AlexandriaRiver gauge, Riviere Delisle	1.77 m	Very high	−0.02 m	33 km

Questions and answers

How does the Raisin River at Black River compare with last year?

It is 1.09 m higher than on the same day last year, when the reading was 4.19 m.

What is a normal level for the Raisin River at Black River in mid-October?

The median for mid-October is 4.49 m. In 8 years out of 10 the reading falls between 4.24 m and 4.75 m, based on 21 years of records.

Is the river level the same as the depth of the water?

No. The reading is measured from a fixed zero mark at the gauge, so 5.27 m on the gauge does not mean the water is that deep.

What is the water level of Raisin River at Black River today?

On Oct 18, 2026, 07:30 AM EDT, the water level was 5.27 m. Down 0.08 m over the last 24 hours.

Is Raisin River at Black River rising or falling?

Down 0.08 m over the last 24 hours. Up 0.92 m over the last 7 days.

Is the level of Raisin River at Black River normal?

Very high for mid-October. Compared with 21 years of daily readings for this time of year.

How often is this data updated?

Environment and Climate Change Canada – Water Survey of Canada publishes a new reading every hour. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Environment and Climate Change Canada – Water Survey of Canada
Station code: eccc:02MC027 (Agency page)
Coordinates: 45.08061, -74.86806 (WGS84)
Vertical datum: station datum (assumed datum)
Update interval: every hour
Licence: Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Canada

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	5.27 m	2026-10-18 11:30	Provisional
Flow	4.61 m³/s	2026-10-18 11:30	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Raisin River at Black River (eccc:02MC027). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/canada/ontario/raisin-river-at-black-river

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer