Asterholma simstrand
Coastal areas · Finland
Rating right now
An open N-facing sand beach on the Archipelago Sea near Coastal areas, Asterholma simstrand works on NW–NE groundswell; SE–SW 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: ~10.6°C (51.1°F) on average
Jan
2.2°C
36°F · 0–5.2°C
Feb
1°C
33.8°F · -1–2.6°C
Mar
1°C
33.8°F · -1.4–4°C
Apr
2.5°C
36.5°F · 0.9–4.4°C
May
6°C
42.8°F · 2.2–10.2°C
Jun
11.6°C
52.9°F · 7.8–16.8°C
Jul
16.3°C
61.3°F · 12.2–20.5°C
Aug
17.4°C
63.3°F · 14.8–20.1°C
Sep
14.3°C
57.7°F · 11.1–17.3°C
Oct
10.6°C
51.1°F · 7.5–15°C
Nov
7.1°C
44.8°F · 5–9.3°C
Dec
4.6°C
40.3°F · 2.3–6.9°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
NW–NE
Best wind
SE–SW
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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