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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 6 am Monday 17 Nov 2025 NZDTForecast update in hr min s Forecast update imminent
Sumner Bar surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sumner Bar sea temperature is
15.7° C
(Which is 4.1°C warmer than normal for this time of year)How big are the waves at Sumner Bar today?
The current surf forecast for Sumner Bar at 9AM is: 1.4m 10s primary swell from a East-northeast direction and 0.1m 11s secondary swell from a Southeast direction (forecast issued at 06:00am November 17). The wind direction is predicted to be cross-onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Nov) | 4.5ft (1.4m) | 10s |
| Afternoon (17 Nov) | 4.5ft (1.3m) | 9s |
| Evening (17 Nov) | 3.5ft (1.1m) | 9s |
Table - waves today at Sumner Bar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 17 | Tuesday 18 | Wednesday 19 | Thu 20 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 9 | 10 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 667 | 321 | 327 | 265 | 666 | 248 | 189 | 177 | 211 | 202 | 587 | 355 | 1284 | 377 | 308 | 208 | 203 | 271 | 276 | 235 | 225 | 181 | 193 | 250 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | cross | cross | on | on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off | off | off | off | on | glass | off |
High Tide / height (m) | 3:03AM 2.13 | 3:24PM 2.12 | 3:52AM 2.16 | 4:12PM 2.10 | 4:38AM 2.19 | 4:58PM 2.10 | ||||||||||||||||||
Low Tide / height (m) | 9:21AM 0.70 | 9:33PM 0.65 | 10:11AM 0.73 | 10:17PM 0.69 | 10:57AM 0.75 | 11:01PM 0.72 | ||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thu 20 | |||||||||||||||||||||
| Sunrise | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 8:34 | - | - | - | - | - | - | - | 8:36 | - | - | - | - | - | - | - | 8:37 | - | - |
 |  | | | |  |  | | |  | | | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 16 | 22 | 23 | 21 | 17 | 17 | 18 | 17 | 18 | 21 | 23 | 21 | 21 | 20 | 17 | 16 | 16 | 19 | 20 | 16 | 15 | 15 |
| Feels °C (?) | 9 | 9 | 13 | 16 | 18 | 18 | 15 | 16 | 14 | 13 | 13 | 17 | 16 | 15 | 17 | 17 | 14 | 15 | 14 | 18 | 19 | 15 | 16 | 14 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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