St. Mary Lake Beach
British Columbia · Canada
Rating right now
St. Mary Lake Beach is a W-facing pebble beach on the Canada shoreline, opening onto the Coastal Waters — it catches SW–NW swell, and offshore NE–SE winds tidy the banks through april–october.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~14.4°C (57.9°F) on average
Jan
7.2°C
45°F · 6.5–8.2°C
Feb
7.2°C
45°F · 6–8.5°C
Mar
7.9°C
46.2°F · 6.7–9.2°C
Apr
9.4°C
48.9°F · 7.7–10.8°C
May
12°C
53.6°F · 9.7–13.8°C
Jun
14.1°C
57.4°F · 12.4–16.1°C
Jul
15.8°C
60.4°F · 13.8–18.2°C
Aug
16.2°C
61.2°F · 13.2–18.2°C
Sep
14.4°C
57.9°F · 12.2–16.6°C
Oct
11.4°C
52.5°F · 9.5–13.3°C
Nov
9.2°C
48.6°F · 7.7–10.8°C
Dec
8°C
46.4°F · 6.7–9.6°C
25-year monthly averages from the NOAA OISST satellite record — typical range min–max, not a live reading.
Know before you go
Best swell
SW–NW
Best wind
NE–SE
Break type
Beach break
Best season
April–October
Safety: Friendly by surf standards, but rip currents and drop-in etiquette still apply. Shifting sandbars create moving rip currents — learn to spot them and use them to get out back.
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