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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 5 pm Monday 25 May 2026 NZSTForecast 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
12.7° C
(Which is 1.9°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 9PM is: 0.4m 12s primary swell from a Southeast direction and 0.3m 10s secondary swell from a East-northeast direction (forecast issued at 05:00pm May 25). The wind direction is predicted to be glassy.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | - | - |
| Afternoon (25 May) | 1.5ft (0.4m) | 13s |
| Evening (25 May) | 1.5ft (0.4m) | 12s |
Table - waves today at Sumner Bar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 12°C on Tue morning, min 8°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | ENE 10 | ENE 10 | SSE 11 | ENE 10 | SSE 18 | SSE 17 | SSE 17 | SSE 18 | SSE 18 | SSE 17 | SSE 17 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 17 | SSE 18 | |
44 | 42 | 40 | 38 | 37 | 39 | 33 | 19 | 24 | 20 | 31 | 113 | 258 | 348 | 352 | 267 | 195 | 142 | 123 | 76 | 73 | 75 | 170 | 270 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross-off | off | cross-off | off | off | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | on | glassy | glassy | off | off | off | glassy | |
High Tide | 00:20AM2.22m | 12:45PM2.18m | 1:11AM2.18m | 1:38PM2.18m | 2:00AM2.15m | |||||||||||||||||||
Low Tide | 6:03PM0.54m | 6:36AM0.53m | 7:00PM0.62m | 7:24AM0.57m | 7:57PM0.67m | 8:10AM0.61m | ||||||||||||||||||
 |  |  |  | | |  | | | | | | | |  | | | | | | | | | | |
 | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:48 | — | — |
 | 5:05 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:04 | — | — | — | — | — | — | 5:02 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 12 | 11 | 10 | 9 | 9 | 9 | 8 | 8 | 11 | 12 | 10 | 11 | 11 | 11 | 10 | 10 | 12 |
9 | 9 | 9 | 8 | 8 | 8 | 8 | 10 | 9 | 9 | 8 | 8 | 8 | 7 | 6 | 10 | 11 | 8 | 10 | 10 | 9 | 7 | 8 | 11 | |
Swell 1 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | SSE 17 | SSE 17 | SSE 18 | SSE 18 | SSE 17 | SSE 17 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 17 | SSE 18 |
 kJ | 44 | 42 | 40 | 38 | 37 | 39 | 33 | 19 | 19 | 20 | 22 | 113 | 258 | 348 | 352 | 267 | 195 | 142 | 123 | 76 | 73 | 75 | 170 | 270 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | SE 12 | SSE 12 | SSE 12 | SE 14 | SSE 11 | SSE 3 | ENE 11 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 12 | E 12 | E 12 | ENE 12 |
| kJ | 35 | 35 | 20 | 20 | 20 | 37 | 28 | 14 | 7 | 13 | 1 | 23 | 26 | 27 | 13 | 13 | 13 | 12 | 12 | 13 | 28 | 11 | 11 | 27 |
Swell 3 Height (m) Direction Period (s) | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | NE 6 | S 16 | NE 5 | NE 5 | S 16 | SSE 18 | SE 11 | — | ENE 12 | ENE 11 | — | — | — | — | — | — | SSE 18 | — | — |
| kJ | 1 | 1 | 1 | 2 | 2 | 9 | 81 | 1 | 1 | 5 | 31 | 18 | — | 54 | 51 | — | — | — | — | — | — | 31 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSE 11 | SSE 5 | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 24 | 4 | 51 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Canterbury | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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