Traeth Trefor
Gwynedd · United Kingdom
Rating right now
Traeth Trefor is a NW-facing sand beach on the United Kingdom shoreline, opening onto the Irish Sea — it catches W–N swell, and offshore E–S winds tidy the banks through 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: ~14.4°C (57.9°F) on average
Jan
8.5°C
47.3°F · 7.5–10.4°C
Feb
7.8°C
46°F · 6.2–9.1°C
Mar
7.7°C
45.9°F · 6.1–9.8°C
Apr
9.5°C
49.1°F · 8–10.9°C
May
11.7°C
53.1°F · 9.5–13.2°C
Jun
14.3°C
57.7°F · 12.6–15.8°C
Jul
15.9°C
60.6°F · 13–17.8°C
Aug
16.8°C
62.2°F · 16–18.1°C
Sep
16.2°C
61.2°F · 14.5–18.2°C
Oct
14.4°C
57.9°F · 12.7–16.2°C
Nov
11.7°C
53.1°F · 9.4–13.7°C
Dec
10°C
50°F · 9.1–11°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
W–N
Best wind
E–S
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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More beaches in Gwynedd → see all spots in Gwynedd, United Kingdom
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