Banc de Portneuf
Québec · Canada
Rating right now
Banc de Portneuf is a E-facing sand beach on the James Bay coastline near Québec — it picks up NE–SE swell and turns cleanest in a SW–NW wind, with the most consistent surf 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: ~6.1°C (43°F) on average
Jan
0°C
32°F · -1.1–1.5°C
Feb
-0.3°C
31.5°F · -1.1–0.6°C
Mar
0.1°C
32.2°F · -1.1–2.2°C
Apr
1.9°C
35.4°F · -0.1–4.3°C
May
4.5°C
40.1°F · -0.1–8.6°C
Jun
9°C
48.2°F · 7–12.1°C
Jul
10.9°C
51.6°F · 5.8–15.7°C
Aug
11.1°C
52°F · 5.6–16.3°C
Sep
8.3°C
46.9°F · 5.4–12°C
Oct
6.1°C
43°F · 3–10.7°C
Nov
2.5°C
36.5°F · 0–6.7°C
Dec
1.1°C
34°F · -1.1–4.2°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
NE–SE
Best wind
SW–NW
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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