Skip to content
SE Surf

Mariestranden

Ostrobothnia · Finland

IntermediateBeach break62.392, 21.239

Rating right now

–loading…

An open W-facing sand beach on the Bothnian Sea near Ostrobothnia, Mariestranden works on S–NW groundswell; NE–E winds offshore, with conditions most reliable april–october.

10-day forecast

Local time · updates hourly

Wave height & period

HeightPeriod

Wind

SpeedGusts
TimeRatingWavesSwellWindAir

Water temperature by month

This month: ~9.6°C (49.3°F) on average

Jan

1.9°C

35.4°F · -0.1–4°C

Feb

0.6°C

33.1°F · -0.7–2.8°C

Mar

0.6°C

33.1°F · -0.6–1.9°C

Apr

1.6°C

34.9°F · 0.3–3.5°C

May

5.1°C

41.2°F · 1.1–10.4°C

Jun

10.5°C

50.9°F · 5–15.2°C

Jul

15.2°C

59.4°F · 11.7–19.7°C

Aug

16.9°C

62.4°F · 13.8–20°C

Sep

14°C

57.2°F · 11–17.2°C

Oct

9.6°C

49.3°F · 6.2–14.4°C

Nov

6.5°C

43.7°F · 3–9°C

Dec

4.3°C

39.7°F · 1.9–6.7°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–NW

Best wind

NE–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.

Nearby spots

More beaches in Ostrobothnia → see all spots in Ostrobothnia, Finland

New to reading forecasts?

Two short guides that make the numbers above make sense.