About St. Catherines
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COORDINATES
43.18966 N, -79.31605 E
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Weather Forecast
Sat
5AM - 9AM
28 March 2026
W 10 knots increasing to 18 knots. Gusts up to 24 knots.
−2°C
NW 0.4m at 2s period
UV Index: 0 - Low
Partly cloudy
Sat
9AM - 1PM
28 March 2026
- NW 18 knots decreasing to 12 knots. Gusts up to 23 knots.
- −3 to −1°C
- NW 0.5m at 3s period
- UV Index: 3 - Moderate
- Partly cloudy
Sat
1PM - 5PM
28 March 2026
- W 11 knots increasing to 14 knots. Gusts up to 17 knots.
- −2 to 1°C
- W 0.5m at 3s period
- UV Index: 3 - Moderate
- Cloudy
Sat
5PM - 9PM
28 March 2026
- W 16 knots decreasing to 10 knots. Gusts up to 19 knots.
- 1°C
- W 0.5m at 3s period
- UV Index: 0 - Low
- Cloudy
Sat
9PM - 5AM
28 March 2026
- SW 9–15 knots. Gusts up to 18 knots.
- 1°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Sun
5AM - 9AM
29 March 2026
- SW 11 knots increasing to 15 knots. Gusts up to 23 knots.
- 2°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Sun
9AM - 1PM
29 March 2026
- SW 14–17 knots. Gusts up to 23 knots.
- 2 to 5°C
- SW 0.4m at 2s period
- UV Index: 3 - Moderate
- Cloudy
Sun
1PM - 5PM
29 March 2026
- SW 12–16 knots. Gusts up to 22 knots.
- 5 to 9°C
- Calm sea
- UV Index: 3 - Moderate
- Cloudy
Sun
5PM - 9PM
29 March 2026
- SW 8–14 knots. Gusts up to 18 knots.
- 6 to 9°C
- Calm sea
- Cloudy
Sun
9PM - 5AM
29 March 2026
- SW 6–10 knots. Gusts up to 22 knots.
- 2 to 6°C
- Calm sea
- Cloudy
Mon
5AM - 9AM
30 March 2026
- SW 8–12 knots. Gusts up to 23 knots.
- 4°C
- Calm sea
- Cloudy
Mon
9AM - 1PM
30 March 2026
- SW 8–12 knots. Gusts up to 22 knots.
- Increasing from 5 to 9°C
- Calm sea
- Cloudy
Mon
1PM - 5PM
30 March 2026
- SW 9–12 knots. Gusts up to 17 knots.
- 8 to 14°C
- Calm sea
- Cloudy
Mon
5PM - 9PM
30 March 2026
- SW 11 knots decreasing to 7 knots. Gusts up to 18 knots.
- Decreasing from 12 to 8°C
- Calm sea
- Cloudy
Mon
9PM - 5AM
30 March 2026
- S 4–7 knots. Gusts up to 20 knots.
- 5°C
- Calm sea
- Partly cloudy
Tue
5AM - 9AM
31 March 2026
- SW 7 knots increasing to 13 knots. Gusts up to 28 knots.
- Increasing from 7 to 10°C
- Calm sea
- Cloudy
Tue
9AM - 1PM
31 March 2026
- SW 13–18 knots. Gusts up to 28 knots.
- 10 to 15°C
- SW 0.4m at 2s period
- Chance of showers
Tue
1PM - 5PM
31 March 2026
- SW 15–18 knots. Gusts up to 29 knots.
- 13 to 18°C
- SW 0.6m at 3s period
- Cloudy
Tue
5PM - 9PM
31 March 2026
- SW 14–18 knots. Gusts up to 33 knots.
- 13 to 18°C
- SW 0.6m at 3s period
- Cloudy
Tue
9PM - 5AM
31 March 2026
- SW 13–22 knots. Gusts up to 37 knots.
- 8 to 15°C
- W 0.5m at 3s period
- Chance of showers
Wed
5AM - 9AM
01 April 2026
- SW 15 knots decreasing to NW 9 knots. Gusts up to 29 knots.
- 5 to 14°C
- Calm sea
- Chance of showers
Wed
9AM - 1PM
01 April 2026
- NW 5–10 knots. Gusts up to 18 knots.
- 4 to 11°C
- Calm sea
- Chance of showers
Wed
1PM - 5PM
01 April 2026
- NW 2–10 knots.
- 4 to 8°C
- Calm sea
- Cloudy
Wed
5PM - 9PM
01 April 2026
- N 7–12 knots. Gusts up to 21 knots.
- Decreasing from 5 to 1°C
- N 0.4m at 2s period
- Cloudy
Wed
9PM - 5AM
01 April 2026
- N 5–16 knots. Gusts up to 20 knots.
- −4 to 3°C
- N 0.7m at 3s period
- Cloudy
Thu
5AM - 9AM
02 April 2026
- NE 7–17 knots.
- −4 to 0°C
- NE 0.8m at 4s period
- Cloudy
Thu
9AM - 1PM
02 April 2026
- NE 7–10 knots.
- Increasing from −2 to 3°C
- Cloudy
Thu
1PM - 5PM
02 April 2026
- NE 8–17 knots.
- 0 to 7°C
- NE 0.9m at 4s period
- Cloudy
Thu
5PM - 9PM
02 April 2026
- E 8–14 knots. Gusts up to 20 knots.
- −2 to 4°C
- NE 0.7m at 4s period
- Cloudy
Thu
9PM - 5AM
02 April 2026
- E 4–16 knots. Gusts up to 23 knots.
- −4 to 5°C
- NE 0.6m at 4s period
- Cloudy
Fri
5AM - 9AM
03 April 2026
- E 4–14 knots. Gusts up to 23 knots.
- −2 to 7°C
- NE 0.6m at 4s period
- Cloudy
Fri
9AM - 1PM
03 April 2026
- E 7–22 knots.
- −1 to 2°C
- Chance of showers
Fri
1PM - 5PM
03 April 2026
- E 9–17 knots. Gusts up to 23 knots.
- 2°C
- NE 0.7m at 4s period
- Rain
Fri
5PM - 9PM
03 April 2026
- E 4–16 knots. Gusts up to 20 knots.
- 2°C
- NE 0.6m at 4s period
- Rain
Fri
9PM - 5AM
03 April 2026
- SW 4–10 knots backing E 4-10 knots.
- 3°C
- NE 0.4m at 4s period
- Cloudy
Sat
5AM - 9AM
04 April 2026
- E 4 knots increasing to 7 knots.
- 3°C
- Calm sea
- Cloudy
Sat
9AM - 1PM
04 April 2026
- E 10 knots.
- 4°C
- Rain
Sat
1PM - 5PM
04 April 2026
- S 13 knots increasing to 16 knots. Gusts up to 25 knots.
- Increasing from 5 to 9°C
- Calm sea
- Rain
Sat
5PM - 9PM
04 April 2026
- W 16 knots decreasing to 10 knots. Gusts up to 25 knots.
- Decreasing from 9 to 5°C
- Calm sea
- Rain
Sat
9PM - 5AM
04 April 2026
- W 13–17 knots. Gusts up to 22 knots.
- 2 to 10°C
- Calm sea
- Cloudy
Sun
5AM - 9AM
05 April 2026
- NW 16 knots. Gusts up to 21 knots.
- Increasing from 2 to 5°C
- SW 0.5m at 2s period
- Chance of showers
Sun
9AM - 1PM
05 April 2026
- N 12 knots.
- 1°C
- Cloudy
Sun
1PM - 5PM
05 April 2026
- NW 14 knots decreasing to 10 knots. Gusts up to 18 knots.
- Decreasing from 7 to 4°C
- SW 0.5m at 2s period
- Mostly fine
Sun
5PM - 9PM
05 April 2026
- NW 10 knots increasing to 12 knots.
- 3 to 8°C
- Calm sea
- Mostly fine
Sun
9PM - 5AM
05 April 2026
- N 3–10 knots backing SW 3-10 knots.
- 1 to 5°C
- Calm sea
- Sunny
Mon
5AM - 9AM
06 April 2026
- SW 8 knots.
- 2°C
- Calm sea
- Mostly fine