Björnholmen
Ostrobothnia · Finland
Rating right now
An open E-facing sand beach on the Bothnian Sea near Ostrobothnia, Björnholmen works on NE–SE groundswell; SW–NW winds offshore, with conditions most reliable 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: ~8.9°C (48°F) on average
Jan
0.8°C
33.4°F · -0.2–2°C
Feb
0°C
32°F · -0.8–0.6°C
Mar
0.1°C
32.2°F · -0.8–1.2°C
Apr
0.7°C
33.3°F · -0.3–2.2°C
May
3.2°C
37.8°F · -0.1–5.2°C
Jun
9.7°C
49.5°F · 5–16.7°C
Jul
14.7°C
58.5°F · 11.4–19.8°C
Aug
16.4°C
61.5°F · 13.2–18.5°C
Sep
13.1°C
55.6°F · 10.9–16.4°C
Oct
8.9°C
48°F · 5.8–13.1°C
Nov
5.5°C
41.9°F · 2.8–7.2°C
Dec
2.9°C
37.2°F · 0.7–4.3°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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