Sand Dune Beach
Maine · United States
Rating right now
An open SE-facing sand beach on the James Bay near Maine, Sand Dune Beach works on E–S groundswell; W–N 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: ~16°C (60.8°F) on average
Jan
6°C
42.8°F · 4.4–8.2°C
Feb
4.4°C
39.9°F · 2.8–5.7°C
Mar
3.9°C
39°F · 2.3–5.2°C
Apr
5.5°C
41.9°F · 3.6–7.9°C
May
8.7°C
47.7°F · 6.4–13.4°C
Jun
13°C
55.4°F · 9–16.4°C
Jul
16.5°C
61.7°F · 14–19.7°C
Aug
17.9°C
64.2°F · 15.5–20.7°C
Sep
16°C
60.8°F · 13.4–18°C
Oct
12.7°C
54.9°F · 9.7–15.5°C
Nov
10°C
50°F · 8.1–12.9°C
Dec
7.9°C
46.2°F · 5.5–10.3°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
E–S
Best wind
W–N
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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