Mahers River at Holyrood

Water level and flow at gauge 02ZM016, Newfoundland and Labrador. The flow is well above normal for October (219% of the median). In the last 24 hours it has been falling.

Water level
1.66m5.43ft
−6 cm−2.3 in in 24 h
Flow
1.48m³/s52.3cfs
-30% in 24 h
Status
Very high
↓ falling -30%

Latest reading Oct 25, 10 AM local standard time (about an hour ago) · data checked · we check every 30 minutes

Compared with a normal October

Normal for October (middle half of 41 years of monthly averages): 0.50 m³/s17.7 cfs – 0.81 m³/s28.5 cfs, median 0.68 m³/s23.9 cfs. Right now it is at 219% of the median.

Highest flow on record
23.0m³/s812cfs

March 12, 1994 · approved records 1983–2024 (HYDAT). Right now the flow is 6% of that record.

Last 30 days

Hourly readings · shaded: normal range for this month

0.5 m³/s1.0 m³/s1.5 m³/s2.0 m³/s2.5 m³/s20 cfs40 cfs60 cfs80 cfsNormal for October
Sep 26Oct 1Oct 6Oct 11Oct 16Oct 21

This year compared with past years

Daily flow

2 m³/s4 m³/s6 m³/s8 m³/s10 m³/s100 cfs200 cfs300 cfs
JanFebMarAprMayJunJulAugSepOctNovDec
Normal range (25th–75th percentile)Median20242026 (provisional)

Normal range: monthly averages of 41 years (lighter band: 10th–90th percentile). Past years: approved daily means from HYDAT, the Water Survey of Canada archive (the latest year published is 2025). 2026: daily means of the provisional real-time readings collected by Canada River Levels since October 22, 2026.

Weather near this gauge

Today

Mainly sunny. Wind northwest 20 km/h gusting to 40 becoming light this afternoon. High 10. UV index 2 or low.

Tonight

A few clouds. Wind becoming southwest 30 km/h gusting to 50 this evening. Low plus 4.

Monday

Mainly sunny. Wind southwest 30 km/h gusting to 50. High 13. UV index 2 or low.

Monday night

Showers. Low plus 5.

Forecast for Bay Roberts (29 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.

Nearby gauges

Shearstown BrookShearstown · 29 km0.29 m0.94 ftAbove normal
Waterford RiverKilbride · 34 km0.60 m1.96 ftNormal
Learys BrookPrince Philip Drive · 36 km0.78 m2.56 ftNormal
Rocky RiverColinet · 37 km0.96 m3.16 ftAbove normal
Northeast Pond RiverNortheast Pond · 38 km0.41 m1.36 ftNormal
Virginia RiverPleasantville · 41 km1.36 m4.46 ftAbove normal

About this gauge

Station: 02ZM016 · Mahers River Near Holyrood

Location: 47.3547, -53.1172 · Newfoundland and Labrador

Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.

Official sources

For flood warnings, advisories and approved data, always use these official services:

Questions

What is the water level of the Mahers River at Holyrood today?

The latest reading (Oct 25, 10 AM, local standard time) is 1.66 m (5.43 ft) with a flow of 1.48 m³/s (52.3 cfs).

Is the Mahers River at Holyrood high right now?

The flow is well above normal for October (219% of the median).

Is the Mahers River rising or falling?

In the last 24 hours it has been falling.

What is the highest flow ever recorded on the Mahers River at Holyrood?

23.0 m³/s (812 cfs) on March 12, 1994, the highest instantaneous flow in the approved records of the Water Survey of Canada (1983–2024). Events after 2024 are not yet in the approved archive.

Where does this data come from?

Gauge 02ZM016 of the Water Survey of Canada (Environment and Climate Change Canada). Real-time data are provisional and may be revised. We check for new readings every 30 minutes. Canada River Levels is not an official source.