Shag Beach surf forecast from 15 Jul 2026:
- Best quality surf: Saturday 18 Jul, 12AM (local time) - 5ft (1.5m), 18s period, S swell with offshore winds.
- Most powerful swell: Saturday 18 Jul, 6AM (local time) - 6.5ft (2.0m), 20s period, S swell with 3,137 kJ wave energy.
- Next surfable swell (1★+): Thursday 16 Jul, 12PM (local time) - 6ft (1.9m), 7s period with SW swell.
Best Forecast Surf Conditions for Shag Beach this week:
The surf forecast for Shag Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 16) at 12PM. The primary swell is predicted to be 1.9m and 7s period with a secondary swell of 1.2m and 7s. Another secondary swell of 0.6m and 14s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Shag Beach in the next 16 days are 2.0m 20s and forecast to arrive on Saturday (Jul 18) at 6AM. 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 3s period and expected on Saturday (Jul 18) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Thu 16th Jul) | 6ft (1.9m) 7s |
| Best Surf | 12AM (Sat 18th Jul) | 5ft (1.5m) 18s |
| Most Powerful | 6AM (Sat 18th Jul) | 6.5ft (2.0m) 20s |
Table - best surf conditions forecast for Shag Beach 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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