Surf Forecasts:
Blaketown Wedge surf forecast from 20 Sep 2026:
- Best quality surf: Sunday 20 Sep, 6PM (local time) - 13ft (4.0m), 16s period, W swell with cross-shore winds.
- Most powerful swell: Sunday 20 Sep, 6PM (local time) - 13ft (4.0m), 16s period, W swell with 7,523 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 6PM (local time) - 13ft (4.0m), 16s period with W swell.
Best Forecast Surf Conditions for Blaketown Wedge this week:
The surf forecast for Blaketown Wedge over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 20) at 6PM. The primary swell is predicted to be 4.0m and 16s period. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Blaketown Wedge in the next 16 days are 4.0m 16s and forecast to arrive on Sunday (Sep 20) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Sun 20th Sep) | 13ft (4.0m) 16s |
| Best Surf | 6PM (Sun 20th Sep) | 13ft (4.0m) 16s |
| Most Powerful | 6PM (Sun 20th Sep) | 13ft (4.0m) 16s |
Table - best surf conditions forecast for Blaketown Wedge over the next 16 days.
Short Range ForecastModerate rain (total 15mm), heaviest on Mon night. Very mild (max 12°C on Mon afternoon, min 7°C on Sun night). Winds increasing (calm on Mon morning, fresh winds from the SW by Mon night). | Days 4-6 Weather SummaryModerate rain (total 15mm), heaviest on Fri night. Very mild (max 11°C on Wed morning, min 6°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||||
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) | W 13 | W 15 | W 16 | W 15 | W 14 | W 14 | WSW 10 | WSW 10 | W 9 | W 15 | W 15 | W 15 | W 15 | W 14 | W 14 | WSW 13 | WSW 13 | W 12 | WNW 8 | W 9 | W 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 8616 | 8104 | 5443 | 2665 | 1809 | 943 | 3400 | 2099 | 1453 | 4936 | 4484 | 3218 | 2147 | 1691 | 990 | 700 | 679 | 660 | 259 | 404 | 945 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-off | glassy | on | cross | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross-on | glassy | glassy | cross-on | cross-off | cross | cross-on | on |
High Tide | 5:45PM2.47m | 6:25AM2.49m | 6:58PM2.55m | 7:28AM2.59m | 7:56PM2.70m | 8:20AM2.74m | 8:41PM2.88m | 9:04AM2.90m | 9:20PM3.05m | 9:43AM3.06m | 9:56PM3.20m | 10:18AM3.20m | 10:30PM3.33m | ||||||||
Low Tide | 11:25AM1.45m | 00:11AM1.42m | 12:43PM1.41m | 1:18AM1.32m | 1:45PM1.28m | 2:12AM1.17m | 2:34PM1.11m | 2:55AM0.98m | 3:13PM0.94m | 3:32AM0.81m | 3:49PM0.78m | 4:07AM0.65m | 4:24PM0.66m | ||||||||
 |  |  | | |  | |  | | | |  | |  |  | |  |  | | | | |
 | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — |
 | — | 6:29 | — | — | 6:30 | — | — | 6:30 | — | — | 6:31 | — | — | 6:32 | — | — | 6:34 | — | — | 6:35 | — |
mm | — | — | — | — | — | 7 | — | 1 | 7 | 1 | — | — | — | — | — | — | 4 | 10 | — | 3 | 7 |
Temp °C | 11 | 11 | 8 | 11 | 12 | 10 | 11 | 12 | 10 | 11 | 11 | 9 | 10 | 10 | 9 | 11 | 10 | 10 | 12 | 12 | 14 |
Feels °C | 5 | 8 | 6 | 9 | 10 | 7 | 3 | 4 | 3 | 6 | 5 | 6 | 8 | 6 | 8 | 10 | 8 | 8 | 10 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | — | W 15 | W 16 | W 15 | W 14 | W 14 | — | — | WSW 14 | W 15 | W 15 | W 15 | W 15 | W 14 | W 14 | WSW 13 | WSW 13 | W 12 | WNW 8 | W 9 | W 24 |
| kJ | — | 8104 | 5443 | 2665 | 1809 | 943 | — | — | 765 | 4936 | 4484 | 3218 | 2147 | 1691 | 990 | 700 | 679 | 660 | 259 | 404 | 11 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | — | WSW 12 | W 15 | N 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | 232 | 17 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 13 | N 12 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | — |
Wind waves Height (m) Direction Period (s) | W 13 | — | — | — | — | N 4 | WSW 10 | WSW 10 | W 9 | — | — | — | — | — | — | — | — | — | — | — | W 8 |
| kJ | 8616 | — | — | — | — | 42 | 3400 | 2099 | 1453 | — | — | — | — | — | — | — | — | — | — | — | 945 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 169 | 686 | 0 | 0 | 13 | 86 | 181 | 180 | 197 | 0 | 8 | 0 | 0 | 156 | 0 | 0 | 1 | 0 | 1 | 1 | 169 |
Best forecast wave conditions in West Coast South Island | |||||||||||||||||||||
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 Blaketown Wedge 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 Blaketown Wedge Surf forecast
The above surf forecast table for Blaketown Wedge provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Blaketown Wedge can be found by selecting the local surf guide option on the grey menu. Our Blaketown Wedge 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 (Blaketown Wedge) 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 Blaketown Wedge 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.
Blaketown Wedge is 172 km (107 miles) from the city of Christchurch. If you plan a holiday in West Coast South Island, look for hotels and other accommodation in Christchurch. Christchurch has rooms for a wide range of budgets as well as car hire and transport links.
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