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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 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
12.8° 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 11PM is: 0.5m 4s primary swell from a Northeast direction and 0.3m 4s secondary swell from a East-northeast direction, 0.2m 10s secondary swell from a East direction (forecast issued at 05:00pm May 19). The wind direction is predicted to be glassy.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | - | - |
| 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 ForecastMostly dry. Very mild (max 18°C on Thu morning, min 8°C on Tue night). Winds increasing (calm on Tue night, fresh winds from the NNW by Wed night). | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | NE 5 | NE 6 | NE 6 | ENE 5 | N 4 | N 4 | NNE 4 | NNE 4 | NNE 4 | NE 8 | NE 8 | NE 8 | NE 8 | ENE 6 | ENE 6 | ENE 6 | E 11 | |
9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 8 | 34 | 5 | 28 | 40 | 16 | 15 | 16 | 10 | 9 | 10 | 10 | 4 | 3 | 3 | 3 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-off | glassy | cross-on | on | cross-on | on | on | |
High Tide | 6:45PM2.68m | 7:18AM2.45m | 7:42PM2.64m | 8:16AM2.43m | 8:39PM2.55m | 9:12AM2.39m | ||||||||||||||||||
Low Tide | 12:26PM0.29m | 1:06AM0.31m | 1:23PM0.28m | 2:03AM0.32m | 2:20PM0.29m | 2:59AM0.34m | ||||||||||||||||||
 |  |  | | | | | | | | | | | | |  | |  | | | | | |  | |
 | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — |
 | 5:09 | — | — | — | — | — | — | — | 5:08 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | 5:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 9 | 8 | 9 | 9 | 8 | 8 | 10 | 10 | 10 | 10 | 11 | 13 | 15 | 16 | 18 | 18 | 11 | 11 | 10 | 10 | 10 | 10 | 10 |
8 | 8 | 6 | 8 | 8 | 6 | 6 | 7 | 7 | 7 | 7 | 4 | 6 | 9 | 10 | 13 | 13 | 8 | 10 | 8 | 8 | 7 | 6 | 5 | |
Swell 1 Height (m) Direction Period (s) | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 5 | NE 5 | NE 6 | NE 5 | ENE 5 | E 13 | E 13 | E 13 | E 10 | NE 8 | ENE 5 | ENE 5 | NE 5 | NE 8 | SE 4 | ENE 6 | ENE 6 | — |
 kJ | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 6 | 8 | 7 | 4 | 3 | 3 | 3 | 2 | 9 | 8 | 4 | 7 | 10 | 3 | 3 | 3 | — |
Swell 2 Height (m) Direction Period (s) | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | NE 7 | ENE 7 | S 13 | E 13 | E 8 | E 13 | E 12 | NE 8 | N 3 | NE 8 | ENE 6 | ENE 6 | ESE 4 | — | S 10 |
| kJ | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 2 | 5 | 3 | 3 | 1 | 3 | 3 | 10 | 2 | 10 | 3 | 4 | 1 | — | 2 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 10 | SE 10 | S 9 | S 9 | E 15 | E 15 | E 14 | E 9 | E 9 | S 8 | S 19 | E 13 | E 8 | E 8 | E 12 | NE 8 | — | — | NE 8 | E 8 | S 10 | E 11 |
| kJ | 3 | 3 | 4 | 4 | 2 | 2 | 4 | 4 | 4 | 2 | 1 | 1 | 7 | 3 | 1 | 1 | 3 | 9 | — | — | 2 | 1 | 2 | 3 |
Wind waves Height (m) Direction Period (s) | NE 4 | — | NE 4 | — | — | — | — | — | — | NE 6 | NNW 3 | N 4 | N 4 | NNE 4 | NNE 4 | NNE 4 | NNW 3 | W 3 | SSE 4 | SE 5 | — | — | — | NE 2 |
| kJ | 4 | — | 9 | — | — | — | — | — | — | 34 | 2 | 28 | 40 | 16 | 15 | 16 | 9 | 1 | 7 | 6 | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 38 | 38 | 38 | 38 | 38 | 178 | 38 | 161 | 38 | 42 | 34 | 161 | 149 | 243 | 233 | 153 | 149 | 161 | 25 | 25 | 28 | 35 | 33 | 33 |
Best forecast wave conditions in Canterbury | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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