About St. Catherines
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COORDINATES
43.18966 N, -79.31605 E
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Weather Forecast
Fri
5AM - 9AM
27 February 2026
SW 10 knots increasing to 12 knots. Gusts up to 20 knots.
−3 to 0°C
Calm sea
UV Index: 0 - Low
Partly cloudy
Fri
9AM - 1PM
27 February 2026
- SW 12 knots decreasing to 9 knots. Gusts up to 19 knots.
- Increasing from −1 to 2°C
- Calm sea
- UV Index: 2 - Low
- Sunny
Fri
1PM - 5PM
27 February 2026
- SW 9–11 knots. Gusts up to 18 knots.
- 1 to 4°C
- Calm sea
- UV Index: 1 - Low
- Mostly fine
Fri
5PM - 9PM
27 February 2026
- S 10 knots increasing to 13 knots. Gusts up to 27 knots.
- 1 to 4°C
- Calm sea
- UV Index: 0 - Low
- Mostly fine
Fri
9PM - 5AM
27 February 2026
- SW 15 knots increasing to 20 knots. Gusts up to 36 knots.
- 1 to 5°C
- SW 0.5-0.8m at 3s period
- UV Index: 0 - Low
- Partly cloudy
Sat
5AM - 9AM
28 February 2026
- SW 12–17 knots veering NW 12-17 knots. Gusts up to 30 knots.
- 0 to 4°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Sat
9AM - 1PM
28 February 2026
- W 16 knots decreasing to 12 knots. Gusts up to 21 knots.
- −1 to 2°C
- Calm sea
- UV Index: 2 - Low
- Cloudy
Sat
1PM - 5PM
28 February 2026
- NW 13 knots decreasing to 11 knots.
- −1 to 2°C
- NW 0.4m at 3s period
- UV Index: 1 - Low
- Cloudy
Sat
5PM - 9PM
28 February 2026
- NW 7–11 knots veering N 7-11 knots. Gusts up to 16 knots.
- Decreasing from 2 to −1°C
- NW 0.4m at 3s period
- Cloudy
Sat
9PM - 5AM
28 February 2026
- N 7–12 knots.
- −4 to −1°C
- N 0.4m at 3s period
- Cloudy
Sun
5AM - 9AM
01 March 2026
- N 10–12 knots. Gusts up to 18 knots.
- −6 to −4°C
- N 0.4m at 3s period
- Chance of showers
Sun
9AM - 1PM
01 March 2026
- N 10–15 knots. Gusts up to 18 knots.
- −6°C
- N 0.6m at 3s period
- Mostly fine
Sun
1PM - 5PM
01 March 2026
- N 8–12 knots. Gusts up to 17 knots.
- −7 to −5°C
- N 0.6m at 3s period
- Partly cloudy
Sun
5PM - 9PM
01 March 2026
- NW 8–11 knots. Gusts up to 17 knots.
- −9 to −6°C
- N 0.5m at 3s period
- Partly cloudy
Sun
9PM - 5AM
01 March 2026
- N 10 knots decreasing to 4 knots. Gusts up to 17 knots.
- −12 to −8°C
- N 0.4m at 3s period
- Mostly fine
Mon
5AM - 9AM
02 March 2026
- N 3–5 knots veering E 3-5 knots.
- −13 to −9°C
- Calm sea
- Partly cloudy
Mon
9AM - 1PM
02 March 2026
- SW 3–8 knots veering NW 3-8 knots.
- Increasing from −9 to −6°C
- Calm sea
- Mostly fine
Mon
1PM - 5PM
02 March 2026
- E 5 knots increasing to SW 9 knots.
- −8 to −4°C
- Calm sea
- Sunny
Mon
5PM - 9PM
02 March 2026
- S 7–9 knots.
- −6°C
- NE 0.6m at 4s period
- Sunny
Mon
9PM - 5AM
02 March 2026
- S 4–9 knots.
- −9 to −2°C
- NE 0.4m at 4s period
- Mostly fine
Tue
5AM - 9AM
03 March 2026
- S 6 knots increasing to 12 knots. Gusts up to 22 knots.
- −9 to −2°C
- Calm sea
- Cloudy
Tue
9AM - 1PM
03 March 2026
- SW 6–15 knots. Gusts up to 23 knots.
- Increasing from −3 to 2°C
- Calm sea
- Partly cloudy
Tue
1PM - 5PM
03 March 2026
- W 6–13 knots. Gusts up to 19 knots.
- 1 to 4°C
- Calm sea
- Cloudy
Tue
5PM - 9PM
03 March 2026
- W 5–13 knots. Gusts up to 20 knots.
- −3 to 2°C
- Calm sea
- Cloudy
Tue
9PM - 5AM
03 March 2026
- W 8 knots decreasing to 4 knots. Gusts up to 20 knots.
- −6 to 1°C
- Calm sea
- Cloudy
Wed
5AM - 9AM
04 March 2026
- SW 2–10 knots veering NW 2-10 knots.
- −6 to 0°C
- Calm sea
- Chance of showers
Wed
9AM - 1PM
04 March 2026
- N 2–14 knots.
- −5 to 0°C
- Calm sea
- Cloudy
Wed
1PM - 5PM
04 March 2026
- NW 2–15 knots veering NE 2-15 knots.
- −7 to 1°C
- Calm sea
- Sunny
Wed
5PM - 9PM
04 March 2026
- NW 4–12 knots. Gusts up to 17 knots.
- −10 to 1°C
- Calm sea
- Sunny
Wed
9PM - 5AM
04 March 2026
- E 3–10 knots backing W 3-10 knots. Gusts up to 23 knots.
- −14 to 0°C
- Calm sea
- Sunny
Thu
5AM - 9AM
05 March 2026
- W 1–15 knots backing SW 1-15 knots. Gusts up to 23 knots.
- −14 to 2°C
- NE 0.4m at 2s period
- Mostly fine
Thu
9AM - 1PM
05 March 2026
- SW 1–16 knots veering NE 1-16 knots.
- −10 to 8°C
- NE 1.1m at 4s period
- Mostly fine
Thu
1PM - 5PM
05 March 2026
- SE 2–16 knots veering SW 2-16 knots.
- −4 to 8°C
- NE 1.1m at 4s period
- Cloudy
Thu
5PM - 9PM
05 March 2026
- SW 3 knots increasing to E 13 knots. Gusts up to 19 knots.
- −4 to 4°C
- NE 1.3m at 5s period
- Cloudy
Thu
9PM - 5AM
05 March 2026
- NE 18–21 knots. Gusts up to 24 knots.
- −3 to 0°C
- NE 1.5m at 6s period
- Chance of showers
Fri
5AM - 9AM
06 March 2026
- NE 15–18 knots.
- −4 to 1°C
- NE 1.0m at 5s period
- Cloudy
Fri
9AM - 1PM
06 March 2026
- NE 18 knots decreasing to 13 knots.
- −3 to 0°C
- NE 0.6m at 4s period
- Cloudy
Fri
1PM - 5PM
06 March 2026
- NE 13 knots increasing to 17 knots.
- −3 to 0°C
- NE 0.6m at 4s period
- Cloudy
Fri
5PM - 9PM
06 March 2026
- E 6–18 knots.
- 0°C
- Calm sea
- Cloudy
Fri
9PM - 5AM
06 March 2026
- E 15 knots decreasing to 11 knots. Gusts up to 19 knots.
- 0 to 3°C
- NE 0.4m at 3s period
- Chance of showers
Sat
5AM - 9AM
07 March 2026
- E 7–16 knots.
- 0 to 4°C
- NE 0.6m at 4s period
- Chance of showers
Sat
9AM - 1PM
07 March 2026
- SE 6 knots increasing to 13 knots. Gusts up to 21 knots.
- 0 to 8°C
- NE 0.6m at 4s period
- Chance of showers
Sat
1PM - 5PM
07 March 2026
- S 13 knots increasing to 25 knots. Gusts up to 39 knots.
- Increasing from 4 to 11°C
- NE 0.6m at 4s period
- Chance of showers
Sat
5PM - 9PM
07 March 2026
- 6–17 knots.
- 1 to 9°C
- NE 0.5m at 4s period
- Chance of showers
Sat
9PM - 5AM
07 March 2026
- W 4–15 knots. Gusts up to 17 knots.
- 1 to 7°C
- Calm sea
- Chance of showers
Sun
5AM - 9AM
08 March 2026
- SW 7–13 knots.
- 3 to 7°C
- Calm sea
- Cloudy
Sun
9AM - 1PM
08 March 2026
- W 6–19 knots backing SW 6-19 knots.
- Increasing from 3 to 9°C
- S 0.4m at 2s period
- Cloudy
Sun
1PM - 5PM
08 March 2026
- SW 12 knots decreasing to 1 knots.
- Decreasing from 9 to 6°C
- S 0.4m at 2s period
- Cloudy
Sun
5PM - 9PM
08 March 2026
- 8–20 knots.
- 4 to 10°C
- SW 0.5m at 2s period
- Cloudy