Shelter Island surf forecast from 31 Aug 2026:
- Most powerful swell: Sunday 6 Sep, 5PM (local time) - 2ft (0.6m), 8s period, E swell with 50 kJ wave energy.
Best Forecast Surf Conditions for Shelter Island this week:
The most powerful waves expected at Shelter Island in the next 16 days are 0.6m 8s and forecast to arrive on Sunday (Sep 06) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 10s period and expected on Tuesday (Sep 01) at 2PM.
| Wave Type | Time (HKT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Sun 6th Sep) | 2ft (0.6m) 8s |
Table - best surf conditions forecast for Shelter Island over the next 16 days.
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Nearest