Marconi Beach
Massachusetts · United States
Rating right now
Marconi Beach is a NW-facing sand beach on the James Bay coastline near Massachusetts — it picks up W–N swell and turns cleanest in a E–S wind, with the most consistent surf 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: ~18.3°C (64.9°F) on average
Jan
6.4°C
43.5°F · 4.4–8.3°C
Feb
4.8°C
40.6°F · 3.4–6.2°C
Mar
4.6°C
40.3°F · 3–6.1°C
Apr
6.1°C
43°F · 3.7–9.2°C
May
9.8°C
49.6°F · 7.2–14.6°C
Jun
14.6°C
58.3°F · 9.4–18.2°C
Jul
18.8°C
65.8°F · 15.9–22°C
Aug
20.1°C
68.2°F · 17.2–22.2°C
Sep
18.3°C
64.9°F · 15.2–20.8°C
Oct
14.4°C
57.9°F · 10.9–17.5°C
Nov
10.8°C
51.4°F · 8.9–14.2°C
Dec
8.3°C
46.9°F · 6.3–10.5°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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