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Sumner Bar Surf Forecast
/ Canterbury (28 surf breaks) /
Surf Forecasts:
Sumner Bar surfForecast / Canterbury / New Zealand
48hr Weather and Surf, issued 12 pm Saturday 18 Oct 2025 NZDT
How big are the waves at Sumner Bar today?
The current surf forecast for Sumner Bar at 2PM is: 0.9m 4s primary swell from a North-northeast direction and 0.2m 10s secondary swell from a East direction (forecast issued at 12:00pm October 18). An open ocean swell of 0.1m 19s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 3.5ft (1.0m) | 4s |
| Afternoon (18 Oct) | 0.5ft (0.2m) | 10s |
| Evening (18 Oct) | 1ft (0.3m) | 9s |
Table - waves today at Sumner Bar. (Swell directed towards the surf break)
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 4 | 4 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 8 | 8 | 9 | 9 | 3 | 4 | 5 | 4 | 4 | 4 | 9 | 9 | 9 | 9 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 36 | 27 | 8 | 8 | 12 | 21 | 20 | 19 | 7 | 16 | 11 | 25 | 2 | 3 | 12 | 15 | 36 | 28 | 18 | 12 | 197 | 120 | 21 | 23 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | glass | off | glass | glass | cross- off | cross- off | off | on | cross- on | on | on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross | cross | cross |
High Tide / height (m) | 2:58PM 2.18 | 3:22AM 2.13 | 3:47PM 2.16 | 4:11AM 2.14 | 4:34PM 2.15 | 5:00AM 2.16 | ||||||||||||||||||
Low Tide / height (m) | 8:43AM 0.55 | 9:11PM 0.56 | 9:37AM 0.58 | 9:58PM 0.58 | 10:29AM 0.61 | 10:46PM 0.61 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:28 |
| Sunset | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:55 | - | - | - | - | - | - | - | 7:57 | - | - | - | - |
 | | | |  | |  |  | | | | | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 17 | 17 | 16 | 12 | 10 | 10 | 8 | 13 | 15 | 14 | 12 | 10 | 9 | 9 | 8 | 11 | 17 | 18 | 16 | 14 | 15 | 14 | 15 |
| Feels °C (?) | 8 | 11 | 13 | 15 | 11 | 8 | 9 | 6 | 9 | 9 | 10 | 8 | 6 | 4 | 4 | 5 | 7 | 12 | 13 | 12 | 10 | 11 | 10 | 14 |
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Canterbury
Still cross-shore at Sumner Bar (gales from the NW at Taylor's Mistake 3 km from Sumner Bar). 1.3m 4s local chop from the N with a 0.5m 8s swell from the ENE and a 0.3m 10s swell from the ESE. 3 swells combining to make bigger set waves.
Actual: 39 min ago
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