Surf Forecasts:
Sumner Bar surf forecast from 9 Jun 2026:
- Best quality surf: Tuesday 9 Jun, 9PM (local time) - 4ft (1.2m), 15s period, SE swell with cross-offshore winds.
- Most powerful swell: Tuesday 9 Jun, 9PM (local time) - 4ft (1.2m), 15s period, SE swell with 623 kJ wave energy.
- Next surfable swell (1★+): Tuesday 9 Jun, 9PM (local time) - 4ft (1.2m), 15s period with SE swell.
Best Forecast Surf Conditions for Sumner Bar this week:
The surf forecast for Sumner Bar over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jun 09) at 9PM. The primary swell is predicted to be 1.2m and 15s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Sumner Bar in the next 16 days are 1.2m 15s and forecast to arrive on Tuesday (Jun 09) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Sunday (Jun 14) at 6AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Tue 9th Jun) | 4ft (1.2m) 15s |
| Best Surf | 9PM (Tue 9th Jun) | 4ft (1.2m) 15s |
| Most Powerful | 9PM (Tue 9th Jun) | 4ft (1.2m) 15s |
Table - best surf conditions forecast for Sumner Bar over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 13°C on Wed afternoon, min 8°C on Thu night). Winds decreasing (fresh winds from the SW on Tue morning, calm by Wed afternoon). | Days 4-6 Weather SummaryMostly dry. Very mild (max 16°C on Sun night, min 8°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSE 17 | SSE 21 | SE 14 | SE 9 | SE 10 | SE 9 | SE 13 | SE 12 | SE 11 | SE 10 | ESE 10 | E 10 | SSE 21 | SE 19 | NE 5 | NNE 4 | N 3 | N 4 | ESE 4 | SSE 18 | NE 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1366 | 2867 | 507 | 65 | 82 | 42 | 156 | 90 | 42 | 15 | 9 | 3 | 42 | 14 | 8 | 7 | 7 | 3 | 8 | 31 | 8 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | glassy | glassy | on | on | glassy | off | off | glassy | on | cross-on | glassy | cross | glassy | cross-off | cross | cross | cross-off |
High Tide | 11:01AM2.06m | 11:25PM2.13m | 11:50AM2.14m | 00:15AM2.18m | 12:43PM2.24m | 1:07AM2.25m | 1:37PM2.36m | 2:04AM2.31m | 2:33PM2.48m | 3:03AM2.38m | 3:31PM2.58m | 4:02AM2.43m | 4:29PM2.66m | ||||||||
Low Tide | 5:05PM0.64m | 5:42AM0.56m | 5:59PM0.62m | 6:31AM0.52m | 6:56PM0.59m | 7:21AM0.47m | 7:55PM0.53m | 8:14AM0.41m | 8:53PM0.46m | 9:11AM0.36m | 9:52PM0.38m | 10:11AM0.31m | 10:50PM0.31m | ||||||||
 | |  | | | | | | |  | | | | | | | |  | |  | | |
 | 7:56 | — | — | 7:56 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | 8:00 | — | — | 8:00 | — | — |
 | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 11 | 11 | 10 | 12 | 13 | 11 | 9 | 9 | 9 | 11 | 12 | 10 | 9 | 11 | 11 | 11 | 14 | 16 | 15 | 17 | 11 |
Feels °C | 3 | 6 | 7 | 9 | 11 | 8 | 7 | 5 | 7 | 7 | 9 | 8 | 6 | 8 | 9 | 9 | 12 | 12 | 12 | 14 | 8 |
Swell 1 Height (m) Direction Period (s) | SSE 22 | SSE 21 | SE 14 | SE 9 | SE 10 | SE 9 | SE 13 | SE 12 | NE 4 | ENE 4 | ESE 10 | SE 9 | SSE 21 | NE 4 | NE 5 | SE 9 | NE 7 | N 4 | — | SSE 18 | S 16 |
| kJ | 1034 | 2867 | 507 | 65 | 82 | 42 | 156 | 90 | 4 | 2 | 9 | 3 | 42 | 4 | 8 | 3 | 2 | 2 | — | 31 | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SSE 13 | — | ESE 12 | S 18 | S 16 | SE 11 | SE 10 | NE 4 | E 10 | SE 13 | SE 19 | SE 10 | S 13 | S 9 | NE 5 | S 10 | S 8 | S 5 |
| kJ | — | — | — | 65 | — | 14 | 6 | 5 | 42 | 15 | 1 | 2 | 7 | 14 | 4 | 3 | 2 | 1 | 19 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SE 15 | SSW 16 | — | S 18 | — | E 12 | E 6 | E 9 | SE 11 | E 8 | E 11 | S 12 | NE 8 | S 15 | E 11 | E 16 |
| kJ | — | — | — | — | — | 9 | 87 | — | 6 | — | 3 | 1 | 2 | 4 | 1 | 2 | 3 | 3 | 17 | 2 | 5 |
Wind waves Height (m) Direction Period (s) | SSE 17 | — | — | — | — | — | — | NE 2 | NNE 4 | — | SSW 3 | — | NE 3 | — | NNW 3 | NNE 4 | N 3 | NW 3 | ESE 4 | E 3 | NE 4 |
| kJ | 1366 | — | — | — | — | — | — | 1 | 10 | — | 1 | — | 4 | — | 4 | 7 | 7 | 2 | 8 | 2 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 151 | 0 | 0 | 0 | 0 | 0 | 5 | 33 | 0 | 25 | 25 | 25 | 30 | 25 | 25 | 33 | 33 | 33 | 0 | 33 | 25 |
Best forecast wave conditions in Canterbury | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Sumner Bar surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Sumner Bar Surf forecast
The above surf forecast table for Sumner Bar provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sumner Bar can be found by selecting the local surf guide option on the grey menu. Our Sumner Bar surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Sumner Bar) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Sumner Bar may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Canterbury? If you are looking for accommodation near Sumner Bar, camping, hotels and holiday cottages in Canterbury, consider staying in Christchurch which is 7 km (4 miles) away.
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