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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 am Tuesday 19 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
12.9° 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 5PM is: 0.2m 11s primary swell from a East direction and 0.3m 4s secondary swell from a East-northeast direction (forecast issued at 11:00am May 19). The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 0.5ft (0.2m) | 9s |
| Afternoon (19 May) | 0.5ft (0.2m) | 11s |
| Evening (19 May) | 0.5ft (0.2m) | 10s |
Table - waves today at Sumner Bar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Thu night. Very mild (max 19°C on Thu afternoon, min 8°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 9 PM | 12 AM | 3 AM | 6 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 9 | E 9 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | NE 5 | NE 6 | NE 6 | N 3 | N 4 | N 4 | N 4 | NNE 4 | NNE 4 | NNE 4 | NE 5 | NE 5 | SE 5 | SE 5 | ENE 6 | |
6 | 7 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 31 | 5 | 40 | 33 | 13 | 20 | 32 | 27 | 12 | 7 | 6 | 3 | 3 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | glassy | cross-on | cross-on | on | |
High Tide | 6:18AM2.45m | 6:45PM2.68m | 7:18AM2.45m | 7:42PM2.64m | 8:16AM2.43m | 8:39PM2.55m | ||||||||||||||||||
Low Tide | 12:26PM0.29m | 1:06AM0.31m | 1:23PM0.28m | 2:03AM0.32m | 2:20PM0.29m | 2:59AM0.34m | ||||||||||||||||||
 | | |  |  | | | | | | | | | | | | |  | | | |  | | | |
 | 7:39 | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:41 |
 | — | — | 5:09 | — | — | — | — | — | — | — | 5:08 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | 5:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | — | |
Temp °C | 9 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 10 | 11 | 10 | 10 | 11 | 14 | 14 | 14 | 18 | 19 | 11 | 10 | 9 | 9 | 9 |
8 | 9 | 8 | 8 | 8 | 8 | 7 | 6 | 6 | 7 | 8 | 7 | 7 | 4 | 8 | 8 | 9 | 13 | 15 | 8 | 9 | 7 | 7 | 6 | |
Swell 1 Height (m) Direction Period (s) | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 5 | ENE 5 | NE 5 | NE 6 | NE 5 | ENE 5 | E 8 | E 10 | ENE 6 | E 9 | E 12 | E 12 | NE 5 | NE 5 | SE 5 | SE 5 | ESE 4 |
 kJ | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 7 | 8 | 7 | 2 | 1 | 2 | 3 | 1 | 3 | 3 | 12 | 7 | 6 | 3 | 2 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | ENE 7 | E 13 | E 13 | E 9 | E 13 | — | — | NNE 4 | ENE 8 | NE 6 | ENE 6 | ENE 6 |
| kJ | 6 | 7 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 2 | 5 | 3 | 3 | 1 | 3 | — | — | 3 | 6 | 5 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 11 | SE 8 | SE 8 | SE 10 | SE 10 | S 9 | S 9 | E 15 | E 15 | E 14 | E 14 | E 9 | S 13 | E 13 | E 13 | E 10 | S 18 | S 18 | NW 3 | N 3 | NE 8 | NE 8 | NE 8 |
| kJ | 3 | 2 | 3 | 3 | 4 | 4 | 2 | 2 | 4 | 4 | 4 | 4 | 2 | 3 | 3 | 3 | 2 | 6 | 6 | 1 | 1 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NE 6 | N 3 | N 4 | N 4 | N 4 | NNE 4 | NNE 4 | NNE 4 | — | SE 4 | S 5 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 31 | 4 | 40 | 33 | 13 | 20 | 32 | 27 | — | 5 | 42 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 35 | 149 | 38 | 38 | 132 | 34 | 38 | 149 | 38 | 161 | 38 | 42 | 38 | 161 | 178 | 243 | 233 | 258 | 149 | 233 | 34 | 178 | 25 | 33 |
Best forecast wave conditions in Canterbury | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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