About St. Catherines
City
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COORDINATES
43.18966 N, 79.31605 W
Port Information
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Weather Forecast
Mon
9AM - 1PM
27 July 2026
Light and variable.
Increasing from 22 to 25°C
Calm sea
Sunny
Mon
1PM - 5PM
27 July 2026
- W 4 knots increasing to S 8 knots.
- 25°C
- Calm sea
UV Index: 6 - High- Chance of showers
Mon
5PM - 9PM
27 July 2026
- S 8–10 knots.
- 22 to 26°C
- Calm sea
- UV Index: 0 - Low
- Partly cloudy
Mon
9PM - 5AM
27 July 2026
- S 3–10 knots. Gusts up to 16 knots.
- 21 to 23°C
- Calm sea
- UV Index: 0 - Low
- Chance of showers
Tue
5AM - 9AM
28 July 2026
- NW 5 knots increasing to NE 10 knots.
- 20°C
- Calm sea
- UV Index: 0 - Low
- Rain
Tue
9AM - 1PM
28 July 2026
- N 3–12 knots.
- 20 to 22°C
- Calm sea
- UV Index: 6 - High
- Rain
Tue
1PM - 5PM
28 July 2026
- N 6–11 knots.
- 22°C
- Calm sea
- UV Index: 7 - High
- Chance of showers
Tue
5PM - 9PM
28 July 2026
- N 8 knots increasing to 12 knots. Gusts up to 18 knots.
- 22°C
- Calm sea
- UV Index: 0 - Low
- Chance of showers
Tue
9PM - 5AM
28 July 2026
- N 8–16 knots. Gusts up to 21 knots.
- 19 to 22°C
- N 0.6m at 3s period
- UV Index: 0 - Low
- Chance of showers
Wed
5AM - 9AM
29 July 2026
- N 9–17 knots. Gusts up to 21 knots.
- 19°C
- N 0.7m at 3s period
- Cloudy
Wed
9AM - 1PM
29 July 2026
- N 8–15 knots. Gusts up to 21 knots.
- 19 to 22°C
- N 0.6m at 3s period
- Cloudy
Wed
1PM - 5PM
29 July 2026
- N 7–11 knots. Gusts up to 17 knots.
- 21 to 24°C
- N 0.4m at 3s period
- Cloudy
Wed
5PM - 9PM
29 July 2026
- N 4–15 knots.
- Decreasing from 24 to 20°C
- N 0.5m at 3s period
- Partly cloudy
Wed
9PM - 5AM
29 July 2026
- N 4–13 knots. Gusts up to 18 knots.
- 17 to 21°C
- N 0.6m at 3s period
- Mostly fine
Thu
5AM - 9AM
30 July 2026
- N 5–12 knots. Gusts up to 17 knots.
- 17 to 21°C
- N 0.6m at 3s period
- Sunny
Thu
9AM - 1PM
30 July 2026
- N 9 knots decreasing to 6 knots.
- Increasing from 20 to 23°C
- N 0.5m at 3s period
- Sunny
Thu
1PM - 5PM
30 July 2026
- N 3–8 knots.
- 22 to 29°C
- Calm sea
- Sunny
Thu
5PM - 9PM
30 July 2026
- Light and variable.
- Decreasing from 27 to 22°C
- Calm sea
- Mostly fine
Thu
9PM - 5AM
30 July 2026
- NW 2–7 knots.
- 17 to 22°C
- Calm sea
- Sunny
Fri
5AM - 9AM
31 July 2026
- N 4 knots.
- Increasing from 17 to 22°C
- Calm sea
- Sunny
Fri
9AM - 1PM
31 July 2026
- NE 4 knots.
- Increasing from 22 to 27°C
- Calm sea
- Sunny
Fri
1PM - 5PM
31 July 2026
- NE 5 knots increasing to 7 knots.
- 24 to 31°C
- Calm sea
- Sunny
Fri
5PM - 9PM
31 July 2026
- N 3–8 knots veering SW 3-8 knots.
- Decreasing from 29 to 24°C
- Calm sea
- Sunny
Fri
9PM - 5AM
31 July 2026
- S 3–7 knots.
- 17 to 23°C
- Calm sea
- Partly cloudy
Sat
5AM - 9AM
01 August 2026
- SE 2–8 knots.
- Increasing from 18 to 23°C
- Calm sea
- Cloudy
Sat
9AM - 1PM
01 August 2026
- S 2–8 knots.
- Increasing from 24 to 31°C
- Calm sea
- Cloudy
Sat
1PM - 5PM
01 August 2026
- S 4–10 knots.
- 24 to 38°C
- Calm sea
- Partly cloudy
Sat
5PM - 9PM
01 August 2026
- W 3–10 knots backing NW 3-10 knots.
- Decreasing from 32 to 26°C
- Calm sea
- Cloudy
Sat
9PM - 5AM
01 August 2026
- S 3–8 knots backing NW 3-8 knots.
- 19 to 28°C
- Calm sea
- Cloudy
Sun
5AM - 9AM
02 August 2026
- N 2–7 knots backing E 2-7 knots.
- Increasing from 21 to 25°C
- Calm sea
- Partly cloudy
Sun
9AM - 1PM
02 August 2026
- 2 knots increasing to 9 knots.
- Increasing from 27 to 34°C
- Sunny
Sun
1PM - 5PM
02 August 2026
- N 7 knots increasing to 11 knots. Gusts up to 17 knots.
- 22 to 37°C
- Calm sea
- Chance of showers
Sun
5PM - 9PM
02 August 2026
- NE 3–18 knots backing NW 3-18 knots.
- Decreasing from 29 to 23°C
- Calm sea
- Partly cloudy
Sun
9PM - 5AM
02 August 2026
- NW 0–19 knots. Gusts up to 21 knots.
- 15 to 27°C
- Calm sea
- Mostly fine
Mon
5AM - 9AM
03 August 2026
- SW 1–10 knots veering E 1-10 knots.
- Increasing from 17 to 21°C
- Calm sea
- Partly cloudy
Mon
9AM - 1PM
03 August 2026
- SE 5 knots.
- 22°C
- Cloudy
Mon
1PM - 5PM
03 August 2026
- NE 8 knots.
- 21°C
- Calm sea
- Rain
Mon
5PM - 9PM
03 August 2026
- NE 8 knots.
- 22°C
- Calm sea
- Rain
Mon
9PM - 5AM
03 August 2026
- Light and variable.
- 21°C
- Calm sea
- Cloudy
Tue
5AM - 9AM
04 August 2026
- E 3 knots increasing to 5 knots.
- 21°C
- Calm sea
- Cloudy
Tue
9AM - 1PM
04 August 2026
- W 4 knots.
- 22°C
- Partly cloudy
Tue
1PM - 5PM
04 August 2026
- S 8 knots decreasing to 4 knots.
- 22 to 25°C
- Calm sea
- Mostly fine
Tue
5PM - 9PM
04 August 2026
- S 4 knots increasing to 7 knots.
- 24°C
- Calm sea
- Mostly fine
Tue
9PM - 5AM
04 August 2026
- SW 4–7 knots.
- 21°C
- Calm sea
- Sunny
Wed
5AM - 9AM
05 August 2026
- SW 4–10 knots.
- 21°C
- Calm sea
- Sunny
Wed
9AM - 1PM
05 August 2026
- SW 10 knots.
- 24°C
- Mostly fine
Wed
1PM - 5PM
05 August 2026
- W 10 knots increasing to 14 knots. Gusts up to 21 knots.
- 23°C
- Calm sea
- Cloudy
Wed
5PM - 9PM
05 August 2026
- W 14 knots decreasing to 10 knots. Gusts up to 21 knots.
- 21 to 24°C
- Calm sea
- Cloudy
Wed
9PM - 5AM
05 August 2026
- W 9 knots decreasing to 5 knots.
- 17 to 23°C
- Calm sea
- Partly cloudy