Surf Break

Lat Long: 32.34° N 64.67° W

Castle Island WaveFinder

Issued: 2 am 07 Oct 2026 (local time)

Forecast update in  hr  min

Today's Castle Island sea temperature is
27.9°C
2.0° 

Castle Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Castle Island surf forecast from 7 Oct 2026:

  • Best quality surf: Tuesday 13 Oct, 3PM (local time) - 4.5ft (1.4m), 6s period, W swell with cross-offshore winds.
  • Most powerful swell: Tuesday 13 Oct, 3PM (local time) - 4.5ft (1.4m), 6s period, W swell with 163 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 13 Oct, 3PM (local time) - 4.5ft (1.4m), 6s period with W swell.

Best Forecast Surf Conditions for Castle Island this week:

The surf forecast for Castle Island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 13) at 3PM. The primary swell is predicted to be 1.4m and 6s period with a secondary swell of 0.4m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Castle Island in the next 16 days are 1.4m 6s and forecast to arrive on Tuesday (Oct 13) at 3PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Sunday (Oct 11) at 6AM.

Wave TypeTime (ADT) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Tue 13th Oct)4.5ft (1.4m) 6s
Best Surf 3PM (Tue 13th Oct)4.5ft (1.4m) 6s
Most Powerful 3PM (Tue 13th Oct)4.5ft (1.4m) 6s

Table - best surf conditions forecast for Castle Island over the next 16 days.


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  • Live Wind Speed (km/h)
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  • Ocean Swells (m)
  • Wind Speed (km/h)
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