About St. Catherines
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COORDINATES
43.18966 N, -79.31605 E
Port Information
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Weather Forecast
Wed
5AM - 9AM
18 February 2026
E 3–16 knots.
0°C
Rain
Wed
9AM - 1PM
18 February 2026
- E 8 knots increasing to 22 knots. Gusts up to 30 knots.
- 0°C
NE 1.0m at 4s period
UV Index: 0 - Low- Rain
Wed
1PM - 5PM
18 February 2026
- E 14–25 knots. Gusts up to 29 knots.
- 0°C
- NE 1.2m at 5s period
- UV Index: 0 - Low
- Chance of showers
Wed
5PM - 9PM
18 February 2026
- E 17–23 knots. Gusts up to 26 knots.
- 0°C
- NE 1.3m at 5s period
- UV Index: 0 - Low
- Cloudy
Wed
9PM - 5AM
18 February 2026
- E 18 knots decreasing to 13 knots. Gusts up to 24 knots.
- −1°C
- NE 0.8-1.3m at 5s period
- UV Index: 0 - Low
- Cloudy
Thu
5AM - 9AM
19 February 2026
- E 14–17 knots. Gusts up to 22 knots.
- 0°C
- NE 0.8m at 5s period
- UV Index: 0 - Low
- Cloudy
Thu
9AM - 1PM
19 February 2026
- E 10–15 knots. Gusts up to 21 knots.
- 0°C
- NE 0.7m at 5s period
- UV Index: 1 - Low
- Cloudy
Thu
1PM - 5PM
19 February 2026
- E 12–17 knots.
- 0°C
- NE 0.7m at 4s period
- UV Index: 0 - Low
- Cloudy
Thu
5PM - 9PM
19 February 2026
- E 11 knots increasing to 17 knots. Gusts up to 23 knots.
- 1°C
- NE 0.8m at 4s period
- UV Index: 0 - Low
- Cloudy
Thu
9PM - 5AM
19 February 2026
- E 14–22 knots. Gusts up to 25 knots.
- 1°C
- NE 0.7m at 4s period
- UV Index: 0 - Low
- Cloudy
Fri
5AM - 9AM
20 February 2026
- E 9–20 knots. Gusts up to 24 knots.
- 2 to 5°C
- NE 0.7m at 4s period
- UV Index: 0 - Low
- Cloudy
Fri
9AM - 1PM
20 February 2026
- SE 10–18 knots. Gusts up to 25 knots.
- 3 to 8°C
- NE 0.8m at 5s period
- Chance of showers
Fri
1PM - 5PM
20 February 2026
- E 9–17 knots veering W 9-17 knots. Gusts up to 20 knots.
- 3 to 8°C
- NE 0.9m at 5s period
- Cloudy
Fri
5PM - 9PM
20 February 2026
- SW 12–17 knots. Gusts up to 24 knots.
- Decreasing from 5 to 2°C
- NE 0.7m at 4s period
- Cloudy
Fri
9PM - 5AM
20 February 2026
- W 8–16 knots. Gusts up to 20 knots.
- 2°C
- Calm sea
- Cloudy
Sat
5AM - 9AM
21 February 2026
- SW 3–16 knots veering NE 3-16 knots.
- −1 to 2°C
- Calm sea
- Cloudy
Sat
9AM - 1PM
21 February 2026
- NE 6–16 knots.
- −1°C
- NE 0.2-0.6m at 3s period
- Cloudy
Sat
1PM - 5PM
21 February 2026
- NE 6–16 knots.
- −1°C
- NE 0.6m at 4s period
- Cloudy
Sat
5PM - 9PM
21 February 2026
- NE 6–15 knots.
- −1°C
- NE 0.6m at 4s period
- Cloudy
Sat
9PM - 5AM
21 February 2026
- E 6–15 knots.
- −4 to −2°C
- NE 0.6m at 4s period
- Cloudy
Sun
5AM - 9AM
22 February 2026
- NE 6–13 knots.
- −3 to −1°C
- NE 0.6m at 4s period
- Cloudy
Sun
9AM - 1PM
22 February 2026
- NE 6–14 knots.
- 0°C
- NE 0.6m at 4s period
- Cloudy
Sun
1PM - 5PM
22 February 2026
- N 6–8 knots.
- 0°C
- NE 0.8m at 4s period
- Cloudy
Sun
5PM - 9PM
22 February 2026
- N 6–12 knots.
- −3 to 0°C
- NE 0.8m at 4s period
- Cloudy
Sun
9PM - 5AM
22 February 2026
- N 7–12 knots.
- −5 to 1°C
- NE 0.7m at 4s period
- Cloudy
Mon
5AM - 9AM
23 February 2026
- N 0–12 knots.
- −10 to −1°C
- NE 0.6m at 4s period
- Cloudy
Mon
9AM - 1PM
23 February 2026
- N 0–11 knots.
- −9 to −1°C
- NE 0.6m at 3s period
- Partly cloudy
Mon
1PM - 5PM
23 February 2026
- N 6–10 knots.
- −4 to −1°C
- NE 0.5m at 3s period
- Partly cloudy
Mon
5PM - 9PM
23 February 2026
- N 6–10 knots. Gusts up to 16 knots.
- −7 to 0°C
- Calm sea
- Partly cloudy
Mon
9PM - 5AM
23 February 2026
- N 2–12 knots. Gusts up to 18 knots.
- −11 to −2°C
- N 0.5m at 3s period
- Partly cloudy
Tue
5AM - 9AM
24 February 2026
- NW 2–10 knots.
- −11 to −7°C
- N 0.4m at 3s period
- Partly cloudy
Tue
9AM - 1PM
24 February 2026
- NW 4–10 knots.
- Increasing from −7 to −3°C
- Calm sea
- Partly cloudy
Tue
1PM - 5PM
24 February 2026
- W 8 knots.
- −6 to 2°C
- Calm sea
- Mostly fine
Tue
5PM - 9PM
24 February 2026
- W 10 knots decreasing to SW 5 knots.
- −10 to 0°C
- Calm sea
- Sunny
Tue
9PM - 5AM
24 February 2026
- S 2–11 knots. Gusts up to 19 knots.
- −12 to −2°C
- Calm sea
- Partly cloudy
Wed
5AM - 9AM
25 February 2026
- SW 5 knots increasing to S 11 knots. Gusts up to 19 knots.
- −12 to −2°C
- S 0.4m at 2s period
- Cloudy
Wed
9AM - 1PM
25 February 2026
- SE 11–23 knots veering S 11-23 knots.
- Increasing from −1 to 2°C
- S 0.8m at 3s period
- Rain
Wed
1PM - 5PM
25 February 2026
- S 11–23 knots. Gusts up to 27 knots.
- 0 to 4°C
- S 0.8m at 3s period
- Chance of showers
Wed
5PM - 9PM
25 February 2026
- SW 18–25 knots.
- 2 to 4°C
- S 1.0m at 3s period
- Chance of showers
Wed
9PM - 5AM
25 February 2026
- SW 18 knots increasing to 25 knots. Gusts up to 33 knots.
- 0 to 3°C
- SW 1.0m at 3s period
- Cloudy
Thu
5AM - 9AM
26 February 2026
- W 12–21 knots.
- −3 to 3°C
- Calm sea
- Cloudy
Thu
9AM - 1PM
26 February 2026
- W 21 knots decreasing to 10 knots. Gusts up to 27 knots.
- Increasing from −4 to 1°C
- Calm sea
- Cloudy
Thu
1PM - 5PM
26 February 2026
- W 10 knots increasing to 19 knots. Gusts up to 24 knots.
- Decreasing from 1 to −3°C
- Calm sea
- Cloudy
Thu
5PM - 9PM
26 February 2026
- W 2–16 knots.
- −4 to 3°C
- Calm sea
- Partly cloudy
Thu
9PM - 5AM
26 February 2026
- W 5–12 knots.
- −5 to 0°C
- Calm sea
- Sunny
Fri
5AM - 9AM
27 February 2026
- SW 7–14 knots.
- −3 to 0°C
- Calm sea
- Partly cloudy
Fri
9AM - 1PM
27 February 2026
- SW 18 knots decreasing to 12 knots. Gusts up to 28 knots.
- Increasing from −1 to 2°C
- Calm sea
- Mostly fine
Fri
1PM - 5PM
27 February 2026
- SW 12 knots increasing to 20 knots. Gusts up to 33 knots.
- 1 to 3°C
- Calm sea
- Cloudy
Fri
5PM - 9PM
27 February 2026
- 11–18 knots.
- 3°C
- Calm sea
- Cloudy
Fri
9PM - 5AM
27 February 2026
- SW 13–18 knots. Gusts up to 28 knots.
- 4°C
- Calm sea
- Cloudy