Clark Beach
Massachusetts · United States
Rating right now
Clark Beach is a E-facing sand beach on the James Bay coastline near Massachusetts — it picks up NE–SE swell and turns cleanest in a SW–NW wind, with the most consistent surf through april–october.
Today's surf at Clark Beach
Updated 23:50 spot time
Clark Beach surf report for Wednesday 30 Sept: waves 2 ft–2.5 ft waist to chest high, 2 ft E swell at 7.45 s. Wind up to 6 mph SSE. Water 60°F. Best surf window around 5:00 PM — fun (3/5) with 6 mph SSE 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: ~13.8°C (56.8°F) on average
Jan
6°C
42.8°F · 4–8.3°C
Feb
4.3°C
39.7°F · 3.1–5.9°C
Mar
4.2°C
39.6°F · 1.9–6.3°C
Apr
6°C
42.8°F · 4.1–8.5°C
May
10°C
50°F · 6.9–15.2°C
Jun
14.6°C
58.3°F · 10.9–18.4°C
Jul
17.9°C
64.2°F · 15.4–21.5°C
Aug
18.9°C
66°F · 16.2–21.4°C
Sep
17.5°C
63.5°F · 15–20.6°C
Oct
13.8°C
56.8°F · 10.4–17°C
Nov
10.4°C
50.7°F · 8.7–13.7°C
Dec
8°C
46.4°F · 6–10.3°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
NE–SE
Best wind
SW–NW
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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