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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 Thursday 21 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
12.5° C
(Which is 1.5°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 1AM is: 0.3m 6s primary swell from a East-northeast direction and 0.3m 4s secondary swell from a Southeast direction (forecast issued at 05:00pm May 21). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 1ft (0.3m) | 6s |
| Afternoon (22 May) | 2ft (0.6m) | 4s |
| Evening (22 May) | 1.5ft (0.5m) | 4s |
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 19°C on Thu afternoon, min 9°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
N 4 | SSE 12 | NE 8 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | NE 3 | NE 4 | NE 4 | NE 4 | ENE 4 | NE 4 | ENE 4 | ENE 4 | ENE 5 | E 11 | SE 14 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 17 | SSE 17 | |
12 | 50 | 10 | 7 | 8 | 7 | 6 | 4 | 11 | 14 | 9 | 8 | 7 | 4 | 4 | 4 | 2 | 33 | 25 | 25 | 24 | 25 | 27 | 57 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | glassy | glassy | cross-on | on | on | on | cross-on | cross-on | glassy | off | off | glassy | glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | |
High Tide | 8:39PM2.55m | 9:12AM2.39m | 9:36PM2.45m | 10:05AM2.34m | 10:34PM2.35m | 10:58AM2.27m | ||||||||||||||||||
Low Tide | 2:20PM0.29m | 2:59AM0.34m | 3:17PM0.32m | 3:55AM0.39m | 4:13PM0.38m | 4:50AM0.44m | ||||||||||||||||||
 |  | | | | | |  |  |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:43 | — | — |
 | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | 5:06 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 11 | 12 | 11 | 11 | 11 | 13 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 10 |
16 | 8 | 10 | 8 | 8 | 6 | 6 | 7 | 7 | 7 | 10 | 10 | 9 | 10 | 10 | 11 | 11 | 9 | 10 | 9 | 8 | 8 | 7 | 9 | |
Swell 1 Height (m) Direction Period (s) | NE 8 | ENE 5 | SE 4 | ENE 6 | ENE 6 | ENE 6 | E 8 | S 9 | S 13 | S 13 | NE 4 | ENE 4 | NE 4 | ENE 4 | ENE 4 | ENE 5 | ENE 5 | ENE 5 | SSE 16 | E 3 | SSE 16 | SSE 16 | SSE 17 | SSE 17 |
 kJ | 9 | 4 | 6 | 7 | 8 | 7 | 1 | 2 | 3 | 3 | 9 | 8 | 5 | 4 | 4 | 4 | 2 | 2 | 25 | 1 | 24 | 25 | 27 | 57 |
Swell 2 Height (m) Direction Period (s) | ENE 6 | NE 8 | NE 8 | SE 4 | ESE 4 | — | — | E 11 | S 5 | S 5 | S 13 | S 13 | SE 13 | S 13 | S 12 | S 12 | E 11 | NE 11 | NE 12 | SSE 16 | E 5 | ENE 11 | ENE 10 | ENE 10 |
| kJ | 4 | 10 | 10 | 2 | 1 | — | — | 2 | 1 | 1 | 3 | 3 | 7 | 3 | 3 | 3 | 2 | 5 | 5 | 25 | 2 | 11 | 11 | 10 |
Swell 3 Height (m) Direction Period (s) | E 12 | N 4 | ENE 6 | ENE 8 | E 8 | SE 8 | S 7 | S 13 | E 11 | E 11 | E 11 | E 11 | E 11 | S 5 | E 11 | E 12 | S 14 | NE 11 | NE 5 | ENE 12 | ENE 11 | E 5 | — | E 14 |
| kJ | 3 | 2 | 6 | 6 | 1 | 2 | 1 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 3 | 3 | 4 | 19 | 1 | 13 | 12 | 2 | — | 4 |
Wind waves Height (m) Direction Period (s) | N 4 | SSE 12 | SSE 4 | SSE 4 | — | — | ENE 6 | NE 3 | NE 4 | NE 4 | N 5 | — | — | — | — | — | — | SE 14 | SE 3 | — | — | — | — | NE 4 |
| kJ | 12 | 50 | 17 | 9 | — | — | 6 | 4 | 11 | 14 | 4 | — | — | — | — | — | — | 33 | 2 | — | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 40 | 2 | 25 | 25 | 25 | 33 | 33 | 33 | 33 | 33 | 25 | 25 | 25 | 25 | 25 | 33 | 33 | 25 | 25 | 30 | 30 | 30 | 30 | 33 |
Best forecast wave conditions in Canterbury | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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