Otanlahti
Satakunta · Finland
Rating right now
Otanlahti is a W-facing sand beach on the Bothnian Sea coastline near Satakunta — it picks up S–NW swell and turns cleanest in a NE–E wind, with the most consistent surf through april–october.
Today's surf at Otanlahti
Updated 07:22 spot time
Otanlahti surf report for Friday 2 Oct: waves 0.4 m–0.5 m knee to waist high, 0.2 m SW swell at 3.15 s. Wind up to 20 km/h SSE. Water 14°C. Best surf window around 17:00 — fair (2.5/5) with 16 km/h S wind.
Snapshot refreshed hourly — the live hourly forecast below updates in real time.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~10.2°C (50.4°F) on average
Jan
2°C
35.6°F · -0.3–4.1°C
Feb
0.6°C
33.1°F · -0.6–2.5°C
Mar
0.7°C
33.3°F · -0.3–2.4°C
Apr
2.1°C
35.8°F · 0.3–4.3°C
May
5.3°C
41.5°F · 0.4–10.3°C
Jun
10.7°C
51.3°F · 5–15.9°C
Jul
15.8°C
60.4°F · 11.6–19.3°C
Aug
17.4°C
63.3°F · 14.7–19.3°C
Sep
14.3°C
57.7°F · 11.5–18°C
Oct
10.2°C
50.4°F · 5.5–14.9°C
Nov
6.7°C
44.1°F · 3.4–8.9°C
Dec
4.1°C
39.4°F · 1.7–6.3°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
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.
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