Shelter Island surf forecast from 16 Jul 2026:
- Most powerful swell: Monday 20 Jul, 11AM (local time) - 1.5ft (0.4m), 5s period, SE swell with 9 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 0.4m 5s and forecast to arrive on Monday (Jul 20) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 7s period and expected on Friday (Jul 17) at 8PM.
| Wave Type | Time (HKT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11AM (Mon 20th Jul) | 1.5ft (0.4m) 5s |
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