Fire Island surf forecast from 21 Aug 2026:
- Best quality surf: Friday 21 Aug, 11PM (local time) - 4.5ft (1.3m), 6s period, ENE swell with cross-offshore winds.
- Most powerful swell: Friday 21 Aug, 11PM (local time) - 4.5ft (1.3m), 6s period, ENE swell with 137 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 11PM (local time) - 4.5ft (1.3m), 6s period with ENE swell.
Best Forecast Surf Conditions for Fire Island this week:
The surf forecast for Fire Island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 11PM. The primary swell is predicted to be 1.3m and 6s period with a secondary swell of 1.0m and 7s. Another secondary swell of 0.1m and 5s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Fire Island in the next 16 days are 1.3m 6s and forecast to arrive on Friday (Aug 21) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 5s period and expected on Monday (Aug 24) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 21st Aug) | 4.5ft (1.3m) 6s |
| Best Surf | 11PM (Fri 21st Aug) | 4.5ft (1.3m) 6s |
| Most Powerful | 11PM (Fri 21st Aug) | 4.5ft (1.3m) 6s |
Table - best surf conditions forecast for Fire 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)
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