Plum Island surf forecast from 22 Aug 2026:
- Best quality surf: Monday 24 Aug, 2AM (local time) - 1ft (0.3m), 12s period, ESE swell with offshore winds.
- Most powerful swell: Saturday 29 Aug, 2AM (local time) - 2.5ft (0.8m), 8s period, SE swell with 93 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 2AM (local time) - 1ft (0.3m), 12s period with ESE swell.
Best Forecast Surf Conditions for Plum Island this week:
The surf forecast for Plum Island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 2AM. The primary swell is predicted to be 0.3m and 12s period with a secondary swell of 0.4m and 6s. Another secondary swell of 0.4m and 7s is also forecast. Another secondary swell of 0.5m and 4s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Plum Island in the next 16 days are 0.8m 8s and forecast to arrive on Saturday (Aug 29) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Tuesday (Aug 25) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Mon 24th Aug) | 1ft (0.3m) 12s |
| Best Surf | 2AM (Mon 24th Aug) | 1ft (0.3m) 12s |
| Most Powerful | 2AM (Sat 29th Aug) | 2.5ft (0.8m) 8s |
Table - best surf conditions forecast for Plum 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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