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
06 June 2026
SW 17–21 knots veering W 17-21 knots. Gusts up to 29 knots.
18 to 22°C
W 0.5m at 2s period
Sunny
Sat
1PM - 5PM
06 June 2026
- W 22 knots decreasing to 9 knots. Gusts up to 30 knots.
- 17 to 21°C
- W 0.4m at 3s period
UV Index: 6 - High- Sunny
Sat
5PM - 9PM
06 June 2026
- W 8–11 knots.
- 17 to 20°C
- Calm sea
- UV Index: 0 - Low
- Sunny
Sat
9PM - 5AM
06 June 2026
- W 7–10 knots. Gusts up to 16 knots.
- 14 to 18°C
- Calm sea
- UV Index: 0 - Low
- Sunny
Sun
5AM - 9AM
07 June 2026
- NW 5–8 knots.
- 14°C
- Calm sea
- UV Index: 0 - Low
- Sunny
Sun
9AM - 1PM
07 June 2026
- NW 6 knots decreasing to 4 knots.
- 14 to 18°C
- Calm sea
- UV Index: 8 - Very High
- Sunny
Sun
1PM - 5PM
07 June 2026
- NW 3–6 knots backing S 3-6 knots.
- 16 to 19°C
- Calm sea
- UV Index: 8 - Very High
- Sunny
Sun
5PM - 9PM
07 June 2026
- SW 2–6 knots.
- 19°C
- Calm sea
- UV Index: 0 - Low
- Sunny
Sun
9PM - 5AM
07 June 2026
- E 1–11 knots.
- 13 to 19°C
- Calm sea
- UV Index: 0 - Low
- Sunny
Mon
5AM - 9AM
08 June 2026
- E 4 knots increasing to 7 knots.
- Increasing from 13 to 18°C
- Calm sea
- Sunny
Mon
9AM - 1PM
08 June 2026
- E 5–11 knots.
- 14 to 28°C
- Calm sea
- Sunny
Mon
1PM - 5PM
08 June 2026
- NE 5–13 knots. Gusts up to 18 knots.
- 14 to 28°C
- Calm sea
- Mostly fine
Mon
5PM - 9PM
08 June 2026
- NE 11 knots decreasing to 8 knots. Gusts up to 16 knots.
- 15 to 27°C
- Calm sea
- Partly cloudy
Mon
9PM - 5AM
08 June 2026
- NE 3–8 knots veering S 3-8 knots.
- 14 to 20°C
- Calm sea
- Cloudy
Tue
5AM - 9AM
09 June 2026
- S 3–8 knots.
- Increasing from 15 to 19°C
- Calm sea
- Cloudy
Tue
9AM - 1PM
09 June 2026
- S 4–9 knots.
- 15 to 32°C
- Calm sea
- Cloudy
Tue
1PM - 5PM
09 June 2026
- SE 6–10 knots.
- 18 to 34°C
- Calm sea
- Cloudy
Tue
5PM - 9PM
09 June 2026
- NE 4–10 knots veering SW 4-10 knots.
- 18 to 32°C
- Calm sea
- Cloudy
Tue
9PM - 5AM
09 June 2026
- SW 3–10 knots. Gusts up to 18 knots.
- 18 to 28°C
- Calm sea
- Chance of showers
Wed
5AM - 9AM
10 June 2026
- SW 8–12 knots. Gusts up to 19 knots.
- 19 to 23°C
- Calm sea
- Chance of showers
Wed
9AM - 1PM
10 June 2026
- SW 9–12 knots. Gusts up to 16 knots.
- Increasing from 22 to 26°C
- Calm sea
- Partly cloudy
Wed
1PM - 5PM
10 June 2026
- SW 10–12 knots. Gusts up to 18 knots.
- 21 to 31°C
- Calm sea
- Mostly fine
Wed
5PM - 9PM
10 June 2026
- SW 10 knots. Gusts up to 19 knots.
- Decreasing from 28 to 24°C
- Calm sea
- Mostly fine
Wed
9PM - 5AM
10 June 2026
- SW 6–11 knots. Gusts up to 19 knots.
- 19 to 24°C
- Calm sea
- Partly cloudy
Thu
5AM - 9AM
11 June 2026
- SW 8 knots increasing to 11 knots. Gusts up to 20 knots.
- Increasing from 19 to 25°C
- Calm sea
- Partly cloudy
Thu
9AM - 1PM
11 June 2026
- SW 9–12 knots. Gusts up to 19 knots.
- Increasing from 26 to 33°C
- Calm sea
- Partly cloudy
Thu
1PM - 5PM
11 June 2026
- SW 10–16 knots. Gusts up to 21 knots.
- 24 to 40°C
- Calm sea
- Cloudy
Thu
5PM - 9PM
11 June 2026
- W 8–12 knots. Gusts up to 25 knots.
- Decreasing from 31 to 27°C
- Calm sea
- Partly cloudy
Thu
9PM - 5AM
11 June 2026
- SW 1–11 knots. Gusts up to 24 knots.
- Decreasing from 26 to 18°C
- Calm sea
- Mostly fine
Fri
5AM - 9AM
12 June 2026
- SW 1–11 knots. Gusts up to 18 knots.
- Increasing from 18 to 26°C
- Calm sea
- Sunny
Fri
9AM - 1PM
12 June 2026
- SW 6 knots increasing to S 9 knots.
- Increasing from 28 to 33°C
- Sunny
Fri
1PM - 5PM
12 June 2026
- W 6–14 knots.
- 22 to 38°C
- Calm sea
- Sunny
Fri
5PM - 9PM
12 June 2026
- SW 3–13 knots.
- Decreasing from 35 to 29°C
- Calm sea
- Mostly fine
Fri
9PM - 5AM
12 June 2026
- SW 4–9 knots. Gusts up to 18 knots.
- Decreasing from 29 to 20°C
- Calm sea
- Cloudy
Sat
5AM - 9AM
13 June 2026
- W 6–11 knots. Gusts up to 20 knots.
- 19 to 28°C
- Calm sea
- Cloudy
Sat
9AM - 1PM
13 June 2026
- Light and variable.
- 19°C
- Cloudy
Sat
1PM - 5PM
13 June 2026
- S 6 knots increasing to NW 9 knots.
- 20 to 22°C
- Calm sea
- Cloudy
Sat
5PM - 9PM
13 June 2026
- W 8 knots.
- 21°C
- Calm sea
- Cloudy
Sat
9PM - 5AM
13 June 2026
- NW 3–10 knots.
- 17 to 19°C
- Calm sea
- Cloudy
Sun
5AM - 9AM
14 June 2026
- W 3 knots increasing to 5 knots.
- 16°C
- Calm sea
- Cloudy
Sun
9AM - 1PM
14 June 2026
- SE 4 knots.
- 17°C
- Cloudy
Sun
1PM - 5PM
14 June 2026
- SE 4 knots increasing to 6 knots.
- 18°C
- Calm sea
- Cloudy
Sun
5PM - 9PM
14 June 2026
- Light and variable.
- 18°C
- Calm sea
- Cloudy
Sun
9PM - 5AM
14 June 2026
- N 5–8 knots.
- 16 to 19°C
- Calm sea
- Cloudy
Mon
5AM - 9AM
15 June 2026
- NE 8 knots decreasing to 6 knots.
- 16°C
- Calm sea
- Cloudy
Mon
9AM - 1PM
15 June 2026
- E 8 knots.
- 17°C
- Cloudy
Mon
1PM - 5PM
15 June 2026
- NE 10 knots increasing to 12 knots. Gusts up to 18 knots.
- 16°C
- Calm sea
- Cloudy
Mon
5PM - 9PM
15 June 2026
- E 12 knots decreasing to 10 knots. Gusts up to 18 knots.
- 16°C
- Calm sea
- Cloudy
Mon
9PM - 5AM
15 June 2026
- NE 12 knots decreasing to 8 knots. Gusts up to 19 knots.
- 15 to 18°C
- Calm sea
- Cloudy