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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 Sunday 17 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
13.3° C
(Which is 2.2°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 3PM is: 0.3m 11s primary swell from a East-northeast direction and 0.2m 9s secondary swell from a East-southeast direction (forecast issued at 11:00am May 17). The wind direction is predicted to be onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 1ft (0.3m) | 11s |
| Afternoon (17 May) | 1ft (0.3m) | 11s |
| Evening (17 May) | 1ft (0.3m) | 10s |
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 Tue morning, min 8°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ENE 11 | ENE 11 | ENE 11 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | |
23 | 22 | 22 | 21 | 18 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 9 | 9 | 8 | 8 | 8 | 8 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | on | on | cross-on | on | on | on | glassy | glassy | glassy | glassy | cross-on | cross-on | on | on | glassy | glassy | |
High Tide | 4:48PM2.61m | 5:18AM2.45m | 5:47PM2.67m | 6:18AM2.45m | 6:45PM2.68m | |||||||||||||||||||
Low Tide | 10:30AM0.36m | 11:07PM0.37m | 11:28AM0.32m | 00:07AM0.33m | 12:26PM0.29m | 1:06AM0.31m | ||||||||||||||||||
 | | |  | | | | | | | | | | |  | | | | | | | | | | |
 | 7:37 | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:39 |
 | — | — | 5:12 | — | — | — | — | — | — | — | 5:10 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | 5:08 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 10 | 10 | 9 | 9 | 9 | 9 | 8 |
5 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 8 | 7 | 7 | 9 | 8 | 7 | 7 | 7 | 8 | 6 | |
Swell 1 Height (m) Direction Period (s) | ENE 11 | ENE 11 | ENE 11 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | NE 3 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 5 |
 kJ | 23 | 22 | 22 | 21 | 18 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 4 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 9 | ESE 9 | SSE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 11 | SE 10 | SE 10 | SE 10 | SE 9 | E 9 | E 9 | E 9 | E 9 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 8 | 8 | 8 | 7 | 3 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 3 | 7 | 7 | 6 | 7 | 9 | 9 | 8 | 8 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | S 19 | S 18 | S 16 | S 16 | S 15 | S 14 | — | S 13 | S 11 | E 14 | S 13 | S 17 | S 17 | S 16 | SE 9 | SE 9 | E 12 | E 11 | SE 8 | SE 8 | SE 10 | SE 10 | S 9 | S 9 |
| kJ | 7 | 6 | 5 | 5 | 5 | 4 | — | 13 | 2 | 4 | 3 | 6 | 6 | 5 | 3 | 3 | 3 | 2 | 3 | 3 | 4 | 4 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 2 | NE 3 | NE 3 | NE 3 | NE 3 | NE 3 | NE 3 | NE 3 | NE 3 | NE 3 | NE 3 | NE 3 | NE 3 | NE 4 | NE 4 | NE 4 | NE 4 | — | — | — | — |
| kJ | — | — | — | 1 | 2 | 5 | 5 | 5 | 3 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 2 | 2 | 2 | 2 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 30 | 33 | 33 | 33 | 33 | 30 | 30 | 33 | 30 | 33 | 33 | 33 | 33 | 33 | 38 | 25 | 35 | 38 | 38 | 38 | 132 | 38 | 34 | 38 |
Best forecast wave conditions in Canterbury | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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