About St. Catherines
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COORDINATES
43.18966 N, -79.31605 E
Port Information
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Weather Forecast
Sat
9AM - 1PM
04 April 2026
NE 10 knots increasing to 14 knots. Gusts up to 21 knots.
4 to 6°C
NE 0.8m at 4s period
Chance of showers
Sat
1PM - 5PM
04 April 2026
- NE 11–18 knots. Gusts up to 23 knots.
- 4°C
- NE 0.8m at 4s period
UV Index: 5 - Moderate- Chance of showers
Sat
5PM - 9PM
04 April 2026
- E 13 knots decreasing to W 2 knots.
- 4 to 6°C
- NE 0.6m at 4s period
- UV Index: 0 - Low
- Chance of showers
Sat
9PM - 5AM
04 April 2026
- W 6 knots increasing to 13 knots. Gusts up to 25 knots.
- 4 to 10°C
- N 0.4m at 3s period
- UV Index: 0 - Low
- Rain
Sun
5AM - 9AM
05 April 2026
- W 14 knots increasing to 16 knots. Gusts up to 23 knots.
- 6°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Sun
9AM - 1PM
05 April 2026
- W 16 knots increasing to 19 knots. Gusts up to 27 knots.
- 3 to 5°C
- W 0.5m at 2s period
- UV Index: 2 - Low
- Cloudy
Sun
1PM - 5PM
05 April 2026
- W 17–21 knots. Gusts up to 27 knots.
- 2 to 5°C
- W 0.6m at 3s period
- UV Index: 4 - Moderate
- Cloudy
Sun
5PM - 9PM
05 April 2026
- W 17–22 knots. Gusts up to 29 knots.
- 1 to 5°C
- W 0.6m at 3s period
- UV Index: 0 - Low
- Cloudy
Sun
9PM - 5AM
05 April 2026
- W 18 knots decreasing to 13 knots. Gusts up to 25 knots.
- 3°C
- W 0.5m at 3s period
- UV Index: 0 - Low
- Cloudy
Mon
5AM - 9AM
06 April 2026
- W 13 knots decreasing to 8 knots. Gusts up to 19 knots.
- −1 to 2°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Mon
9AM - 1PM
06 April 2026
- W 5–10 knots.
- 2 to 4°C
- Calm sea
- Partly cloudy
Mon
1PM - 5PM
06 April 2026
- W 5–9 knots.
- 3 to 5°C
- Calm sea
- Cloudy
Mon
5PM - 9PM
06 April 2026
- W 6–11 knots. Gusts up to 19 knots.
- Decreasing from 6 to 3°C
- Calm sea
- Cloudy
Mon
9PM - 5AM
06 April 2026
- NW 10 knots increasing to 16 knots. Gusts up to 25 knots.
- −2 to 4°C
- W 0.1-0.9m at 2s period
- Cloudy
Tue
5AM - 9AM
07 April 2026
- NW 11–20 knots. Gusts up to 26 knots.
- −5 to −2°C
- NW 0.8-1.3m at 4s period
- Cloudy
Tue
9AM - 1PM
07 April 2026
- NW 15 knots decreasing to 11 knots. Gusts up to 22 knots.
- −3 to 0°C
- NW 0.9-1.3m at 4s period
- Mostly fine
Tue
1PM - 5PM
07 April 2026
- NW 11 knots decreasing to 8 knots.
- −1 to 1°C
- N 0.5-0.9m at 3s period
- Mostly fine
Tue
5PM - 9PM
07 April 2026
- NW 6–9 knots.
- Decreasing from 2 to −2°C
- NW 0.5m at 3s period
- Sunny
Tue
9PM - 5AM
07 April 2026
- NW 7 knots decreasing to SW 4 knots.
- −6 to 0°C
- Calm sea
- Sunny
Wed
5AM - 9AM
08 April 2026
- S 4–7 knots.
- Increasing from −4 to 0°C
- Calm sea
- Sunny
Wed
9AM - 1PM
08 April 2026
- S 6 knots increasing to 8 knots.
- Increasing from 0 to 5°C
- Calm sea
- Mostly fine
Wed
1PM - 5PM
08 April 2026
- SE 8 knots increasing to SW 10 knots.
- 2 to 10°C
- Calm sea
- Mostly fine
Wed
5PM - 9PM
08 April 2026
- SW 9 knots decreasing to SE 5 knots.
- Decreasing from 7 to 4°C
- Calm sea
- Partly cloudy
Wed
9PM - 5AM
08 April 2026
- S 6 knots increasing to 18 knots. Gusts up to 38 knots.
- 3 to 7°C
- Calm sea
- Cloudy
Thu
5AM - 9AM
09 April 2026
- SW 16 knots increasing to 19 knots. Gusts up to 38 knots.
- 6 to 11°C
- S 0.6m at 3s period
- Cloudy
Thu
9AM - 1PM
09 April 2026
- SW 16–22 knots. Gusts up to 40 knots.
- 9 to 13°C
- S 0.8m at 3s period
- Cloudy
Thu
1PM - 5PM
09 April 2026
- SW 18 knots decreasing to 14 knots. Gusts up to 35 knots.
- 11 to 15°C
- S 0.5m at 3s period
- Cloudy
Thu
5PM - 9PM
09 April 2026
- W 14 knots decreasing to 10 knots. Gusts up to 26 knots.
- 9 to 16°C
- SW 0.4m at 2s period
- Chance of showers
Thu
9PM - 5AM
09 April 2026
- W 11 knots decreasing to 6 knots. Gusts up to 25 knots.
- 3 to 13°C
- Calm sea
- Chance of showers
Fri
5AM - 9AM
10 April 2026
- NW 4–8 knots.
- 1 to 11°C
- Calm sea
- Cloudy
Fri
9AM - 1PM
10 April 2026
- NW 7 knots increasing to 9 knots. Gusts up to 19 knots.
- 1 to 10°C
- Chance of showers
Fri
1PM - 5PM
10 April 2026
- N 6–10 knots.
- 2 to 10°C
- Calm sea
- Cloudy
Fri
5PM - 9PM
10 April 2026
- E 4–11 knots.
- −1 to 13°C
- Calm sea
- Cloudy
Fri
9PM - 5AM
10 April 2026
- SE 3–10 knots backing N 3-10 knots. Gusts up to 19 knots.
- −1 to 10°C
- Calm sea
- Cloudy
Sat
5AM - 9AM
11 April 2026
- NE 5 knots increasing to 9 knots. Gusts up to 18 knots.
- −1 to 5°C
- Calm sea
- Cloudy
Sat
9AM - 1PM
11 April 2026
- SW 14 knots.
- 8°C
- Rain
Sat
1PM - 5PM
11 April 2026
- SW 1–13 knots veering W 1-13 knots.
- Increasing from 6 to 11°C
- Calm sea
- Chance of showers
Sat
5PM - 9PM
11 April 2026
- NW 8 knots decreasing to 5 knots.
- Decreasing from 11 to 8°C
- Calm sea
- Cloudy
Sat
9PM - 5AM
11 April 2026
- N 9 knots decreasing to 4 knots.
- 4 to 7°C
- Calm sea
- Chance of showers
Sun
5AM - 9AM
12 April 2026
- N 4 knots increasing to 6 knots.
- 3 to 5°C
- Calm sea
- Rain
Sun
9AM - 1PM
12 April 2026
- NE 8 knots.
- 5°C
- Rain
Sun
1PM - 5PM
12 April 2026
- NE 8 knots decreasing to 5 knots.
- 2 to 4°C
- Calm sea
- Rain
Sun
5PM - 9PM
12 April 2026
- Light and variable.
- 3 to 5°C
- Calm sea
- Rain
Sun
9PM - 5AM
12 April 2026
- N 6 knots increasing to 9 knots.
- 3 to 5°C
- Calm sea
- Cloudy
Mon
5AM - 9AM
13 April 2026
- N 11 knots decreasing to 6 knots. Gusts up to 17 knots.
- 3 to 7°C
- Calm sea
- Partly cloudy
Mon
9AM - 1PM
13 April 2026
- NE 7 knots.
- 4°C
- Mostly fine
Mon
1PM - 5PM
13 April 2026
- S 13 knots decreasing to 6 knots.
- Decreasing from 8 to 4°C
- SW 0.4m at 2s period
- Cloudy
Mon
5PM - 9PM
13 April 2026
- S 1–19 knots veering SW 1-19 knots.
- Increasing from 4 to 9°C
- SW 0.4m at 2s period
- Cloudy
Mon
9PM - 5AM
13 April 2026
- N 5–11 knots.
- 4 to 10°C
- Calm sea
- Cloudy