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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 11 pm Thursday 14 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
13.2° C
(Which is 2.0°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 7AM is: 0.3m 15s primary swell from a South-southeast direction and 0.3m 7s secondary swell from a Southeast direction (forecast issued at 11:00pm May 14). The wind direction is predicted to be glassy.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 1ft (0.3m) | 15s |
| Afternoon (15 May) | 0.5ft (0.2m) | 13s |
| Evening (15 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 10°C on Thu night, min 7°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 | 3 PM | 6 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
SE 8 | SSE 17 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 13 | SE 13 | SE 12 | SE 12 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | E 10 | |
23 | 29 | 50 | 46 | 43 | 38 | 18 | 42 | 39 | 36 | 32 | 18 | 17 | 17 | 15 | 26 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 19 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | glassy | glassy | on | glassy | glassy | glassy | cross-off | cross-off | glassy | glassy | cross-on | cross-on | on | on | on | on | on | on | cross-on | on | |
High Tide | 2:26AM2.31m | 2:54PM2.41m | 3:22AM2.38m | 3:50PM2.52m | 4:19AM2.42m | 4:48PM2.61m | ||||||||||||||||||
Low Tide | 8:18PM0.53m | 8:38AM0.43m | 9:13PM0.47m | 9:33AM0.39m | 10:10PM0.41m | 10:30AM0.36m | ||||||||||||||||||
 | | | |  | |  |  |  | | | |  | | | | | | | | | | | | |
 | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:37 | — | — | — | — |
 | — | — | — | — | — | — | 5:14 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:12 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 9 | 8 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 9 |
9 | 9 | 9 | 8 | 7 | 10 | 9 | 8 | 8 | 6 | 6 | 6 | 7 | 7 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 5 | 5 | 6 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SSE 15 | SSE 15 | SSE 14 | SE 7 | SE 13 | SE 12 | SE 12 | SE 11 | SE 11 | SE 10 | SE 10 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | E 10 |
 kJ | 23 | 10 | 9 | 46 | 43 | 38 | 7 | 42 | 39 | 36 | 32 | 18 | 17 | 17 | 13 | 26 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 19 |
Swell 2 Height (m) Direction Period (s) | E 9 | SSE 17 | SSE 16 | SE 8 | SE 7 | SE 7 | SSE 13 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 11 | SE 10 | SE 10 | SSE 10 | SE 10 | SSE 10 | SSE 9 | SE 9 | SE 9 | S 16 | SE 9 |
| kJ | 7 | 29 | 50 | 9 | 8 | 8 | 18 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 15 | 17 | 10 | 15 | 9 | 8 | 13 | 12 | 5 | 3 |
Swell 3 Height (m) Direction Period (s) | S 14 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 16 | SE 16 | SE 16 | SE 16 | SE 15 | S 15 | S 14 | S 13 | S 19 | S 18 | S 17 | S 17 | S 21 | S 19 | S 18 | S 16 | S 16 |
| kJ | 16 | 7 | 7 | 7 | 7 | 7 | 7 | 10 | 10 | 10 | 10 | 9 | 4 | 4 | 3 | 29 | 6 | 6 | 6 | 9 | 7 | 6 | 80 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 9 | ENE 2 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 15 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 5 | 25 | 25 | 25 | 35 | 33 | 33 | 30 | 30 | 30 | 30 | 33 | 33 | 33 |
Best forecast wave conditions in Canterbury | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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