St. Catherines

Light and variable.

18–21°C

Calm sea

UV Index: 0 - Low

Sunny

E 4–6 knots.

17–20°C

Calm sea

UV Index: 0 - Low

Sunny

NE 5 knots increasing to 12 knots.

18–22°C

Calm sea

UV Index: 4 - Moderate

Mostly fine

NE 10–13 knots.

20–22°C

Calm sea

UV Index: 4 - Moderate

Cloudy

E 11 knots decreasing to 8 knots.

20–22°C

Calm sea

UV Index: 0 - Low

Partly cloudy

E 1–10 knots.

20°C

Calm sea

UV Index: 0 - Low

Partly cloudy

Light and variable.

16–21°C

Calm sea

UV Index: 0 - Low

Partly cloudy

S 4 knots.

20–26°C

Calm sea

Cloudy

SE 5 knots increasing to NE 8 knots.

21–24°C

Calm sea

Partly cloudy

NE 9 knots decreasing to 5 knots.

Decreasing from 23 to 20°C

Calm sea

Partly cloudy

NE 2–6 knots.

15–21°C

Calm sea

Sunny

Light and variable.

Increasing from 16 to 19°C

Calm sea

Mostly fine

E 4 knots increasing to NE 7 knots.

Increasing from 20 to 25°C

Calm sea

Partly cloudy

NE 6–9 knots.

20–30°C

Calm sea

Mostly fine

NE 9 knots decreasing to E 6 knots.

Decreasing from 25 to 20°C

Calm sea

Partly cloudy

SE 4–10 knots.

17–21°C

Calm sea

Cloudy

S 2–7 knots.

Increasing from 15 to 19°C

Calm sea

Chance of showers

S 3–8 knots.

Increasing from 20 to 25°C

Calm sea

Chance of showers

S 6–9 knots.

21–25°C

Calm sea

Chance of showers

W 6–8 knots backing N 6-8 knots. Gusts up to 17 knots.

Decreasing from 25 to 19°C

E 0.4m at 3s period

Partly cloudy

NW 5–11 knots. Gusts up to 18 knots.

15–20°C

E 0.5m at 4s period

Partly cloudy

SW 5–7 knots veering NW 5-7 knots.

15–19°C

E 0.5m at 4s period

Cloudy

N 4–7 knots backing SW 4-7 knots.

Increasing from 16 to 21°C

E 0.4m at 4s period

Cloudy

S 4–8 knots veering E 4-8 knots.

17–24°C

E 0.4m at 4s period

Cloudy

E 4–8 knots veering SE 4-8 knots.

Decreasing from 21 to 16°C

NE 0.5m at 4s period

Cloudy

SE 4–12 knots.

12–19°C

SE 0.5m at 4s period

Cloudy

S 3–12 knots.

11–19°C

SE 0.5m at 3s period

Chance of showers

S 2–17 knots.

Increasing from 18 to 22°C

Cloudy

S 3–17 knots.

16–24°C

Calm sea

Chance of showers

E 4–16 knots. Gusts up to 22 knots.

Decreasing from 20 to 16°C

NW 0.4m at 2s period

Rain

SE 2–16 knots. Gusts up to 22 knots.

10–18°C

W 0.4m at 3s period

Chance of showers

E 2–13 knots veering S 2-13 knots. Gusts up to 18 knots.

11–17°C

W 0.5m at 3s period

Cloudy

SE 5 knots.

18°C

Cloudy

E 9 knots increasing to 18 knots.

18°C

Calm sea

Chance of showers

E 18 knots decreasing to 10 knots.

18°C

Calm sea

Cloudy

NE 4–19 knots.

17°C

Calm sea

Cloudy

NE 15 knots decreasing to 8 knots. Gusts up to 17 knots.

16°C

Calm sea

Chance of showers

NE 14 knots.

16°C

Cloudy

NE 10 knots increasing to 15 knots. Gusts up to 18 knots.

17°C

Calm sea

Cloudy

E 15 knots decreasing to 10 knots. Gusts up to 18 knots.

17°C

Calm sea

Cloudy

NE 10–12 knots. Gusts up to 16 knots.

17°C

Calm sea

Cloudy

NE 12 knots decreasing to 9 knots. Gusts up to 17 knots.

16°C

Calm sea

Cloudy

NE 7 knots.

17°C

Sunny

SE 8 knots decreasing to 3 knots.

18–21°C

Calm sea

Mostly fine

SE 3 knots increasing to 6 knots.

19°C

Calm sea

Mostly fine

NE 5–9 knots.

16–18°C

Calm sea

Sunny