Castletown Beach
Coastal areas · Isle of Man
Rating right now
A april–october beach on the Irish Sea near Coastal areas, Castletown Beach is exposed to NE swell — NW–E on the forecast is when it lights up, ideally with a S–SW wind.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~14.9°C (58.8°F) on average
Jan
9.3°C
48.7°F · 8–11.2°C
Feb
8.3°C
46.9°F · 7.2–9.5°C
Mar
8°C
46.4°F · 6.8–9°C
Apr
8.7°C
47.7°F · 7.9–9.9°C
May
10.3°C
50.5°F · 9–12.2°C
Jun
12.2°C
54°F · 10.7–13.8°C
Jul
13.9°C
57°F · 12.3–15.6°C
Aug
15°C
59°F · 14.1–16.4°C
Sep
14.9°C
58.8°F · 13.4–16.2°C
Oct
14°C
57.2°F · 13.1–15.3°C
Nov
12.3°C
54.1°F · 10.3–14°C
Dec
10.5°C
50.9°F · 9.3–12.6°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–E
Best wind
S–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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