![](https://cdn.waterrangers.ca/attachments/ba13ce6ea1bb551b9b67583932630bdf4c12c9c6/store/fill/300/300/03ace6fb5bcf57dac7e741e672f1d88f7b376017b9b642830642393e84fa/D87C4E6C-E62B-42BC-A91D-B09ABBD7B4AF.jpg)
Smiths Bay on Lake Ontario
Ontario, Canada
Reading taken from a small municipal dock and launch ramp near the Waupoos Marina.
A good place to dive off on a warm day.
But the water weeds now almost reach the surface. Much larger that 15 years ago.
Sunny day with not much wave action
![](https://cdn.waterrangers.ca/attachments/332937076646650c699bd4215db56096da00d300/store/fill/150/150/9a5204be3072fe407d23a6ed3c68b639204c5b0f4f8592dd2aab4cd973a5/DonCh.jpg)
Location created by
Don Chisholm
- Group: County Sustainability Group
- Lat: 44.0006715
- Lng: -76.9917993
- Waterbody Type: Lake
- Timezone: America/Toronto
Latest photos
View all photosObservations summary
Observation tests summary
Air temperature
°C
21.0
Latest
18.9
Average
Water temperature
°C
21.7
Latest
16.3
Average
Alkalinity
mg/L
60
Latest
100
Average
Hardness
mg/L
150
Latest
156
Average
Dissolved oxygen
mg/L
9.0
Latest
7.9
Average
Conductivity
μS/cm
252
Latest
272
Average
Secchi depth
m
1.3
Latest
0.3
Average
Water depth
m
1.8
Latest
1.9
Average
pH (0-14)
8.0
Latest
7.7
Average
Chlorine
ppm
0.0
Latest
0.1
Average
Ice On
- 2023-12-31
- 2023-01-02
- 2021-12-30
- 2020-12-16
Ice Off
- 2024-02-15
- 2023-03-15
- 2022-03-16
- 2021-03-12