Semiahmoo Spit
British Columbia · Canada
Rating right now
Semiahmoo Spit is a SW-facing sand beach on the Canada shoreline, opening onto the Coastal Waters — it catches S–W swell, and offshore N–E 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: ~11.1°C (52°F) on average
Jan
7.3°C
45.1°F · 6.4–8.5°C
Feb
7.4°C
45.3°F · 6.5–8.7°C
Mar
7.9°C
46.2°F · 6.8–9.2°C
Apr
9.2°C
48.6°F · 7.4–10.8°C
May
11.4°C
52.5°F · 9.5–13°C
Jun
13.5°C
56.3°F · 11.8–15.7°C
Jul
14.9°C
58.8°F · 12.4–17.4°C
Aug
15.4°C
59.7°F · 13.2–18.2°C
Sep
13.9°C
57°F · 11.7–16°C
Oct
11.1°C
52°F · 9.5–12.9°C
Nov
9.2°C
48.6°F · 7.9–10.6°C
Dec
8.2°C
46.8°F · 7.1–9.5°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
S–W
Best wind
N–E
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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