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River Spey at Boat o Brig: level & flow

River gauge in Scotland · All River Spey gauges

99.7m³/s
3,520 cfs · gauge 0.743 m · what is cfs?
Measured · provisional
Above normal for the dateFalling
24 hours
▲ 56 m³/s
7 days
▲ 35 m³/s
Normal for Oct 23 ?
61.6 m³/s
Water temp ?
Not measured

At a glance · Oct 23

Higher than usual

The River Spey at Boat o Brig is flowing 62% above its normal flow for Oct 23.

  • This week↗ Rising 35 m³/s

Compared with this gauge's own records for the same date. A statistical guide, not advice.

Today compared with past years on Oct 23

Usual range (10th–90th percentile): 31.31–130.04 m³/sNormal (25th–75th percentile): 44.48–89.25 m³/sToday: 99.69 m³/sToday 99.69 m³/sMedian 61.5710th90th25th75th
Usual range (10th–90th percentile): 31.31–130.04 m³/sNormal (25th–75th percentile): 44.48–89.25 m³/sToday: 99.69 m³/sToday 99.69 m³/sMedian 61.5710th90th25th75th
Ratio scale: equal steps are equal multiples, because flow varies so much.

Flow today against this gauge's percentiles for the date (74 years). A statistical guide, not advice.

Angling level guide

A statistical guide from this gauge's own history: "low" is below the 25th percentile for Oct 23, "high" above the 75th, "good" in between. It is not advice: check conditions on the bank, local club rules and any flood warning.

What this means

Flow is above the Oct 23 median of 61.6 m³/s (74 years of data).

It has risen 55.6 m³/s in the past 24 hours.

The highest annual peak on record is 1,027.9 m³/s (Aug 17, 1970).

Flow chart

Loading chart…

Measured Normal range for the date (middle 50% of past years)

Flood status

Flood warnings in Scotland are issued by SEPA, not by this website. Check Floodline Scotland for warnings in force.

Records

Highest annual peak flow
1,027.9 m³/s (Aug 17, 1970)
Highest annual peak stage
3.559 m (Aug 17, 1970)
Lowest daily flow, last 5 years
13.5 m³/s (Jul 25, 2026)
Normal range for Oct 23
44.5 m³/s – 89.2 m³/s (74 years)

Up & downstream