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Blaketown Wedge Surf Forecast
/ West Coast South Island (21 surf breaks) /
Surf Forecasts:
Blaketown Wedge surfForecast / West Coast South Island / New Zealand
16 Day Weather and Surf, issued 5 am Thursday 21 May 2026 NZSTForecast update in hr min s Forecast update imminent
Blaketown Wedge surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Blaketown Wedge sea temperature is
14.6° C
(Which is normal for this time of year)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 Friday (May 22) at 3AM. The primary swell is predicted to be 2.1m and 11s period with a secondary swell of 1.2m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Blaketown Wedge in the next 16 days are 3.0m 12s and forecast to arrive on Thursday (May 21) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Wednesday (May 27) at 12AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Fri 22nd May) | 7ft (2.1m) 11s |
| Best Surf | 3AM (Fri 22nd May) | 7ft (2.1m) 11s |
| Most Powerful | 6PM (Thu 21st May) | 10ft (3.0m) 12s |
Table - best surf conditions forecast for Blaketown Wedge over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 39mm), heaviest during Thu night. Very mild (max 15°C on Thu morning, min 13°C on Thu morning). Winds decreasing (fresh winds from the NNW on Thu morning, calm by Fri night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 16°C on Sun afternoon, min 11°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
NW 8 | NW 10 | NW 11 | W 10 | NNW 10 | WSW 12 | WSW 13 | WSW 13 | WSW 12 | WSW 17 | WSW 16 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 10 | WSW 15 | WSW 14 | |
619 | 1644 | 1464 | 514 | 437 | 579 | 499 | 418 | 206 | 1523 | 1165 | 752 | 458 | 303 | 152 | 111 | 77 | 65 | 78 | 121 | 236 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | cross | cross-off | cross-on | on | glassy | cross | cross-off | cross-off | cross | cross-off | cross-off | glassy | glassy | cross-off | glassy | cross-off | cross-off | glassy | cross-off | |
High Tide | 2:27PM3.16m | 2:49AM3.17m | 3:29PM3.02m | 3:53AM3.05m | 4:31PM2.92m | 4:59AM2.97m | 5:34PM2.85m | 6:04AM2.93m | 6:34PM2.84m | 7:02AM2.94m | 7:30PM2.87m | 7:53AM2.97m | 8:18PM2.94m | ||||||||
Low Tide | 8:34PM0.96m | 9:11AM0.93m | 9:36PM1.09m | 10:16AM1.04m | 10:41PM1.18m | 11:20AM1.12m | 11:46PM1.22m | 12:21PM1.16m | 00:46AM1.21m | 1:16PM1.16m | 1:41AM1.18m | 2:06PM1.14m | 2:29AM1.14m | ||||||||
 |  |  |  | |  |  |  |  | | |  | | |  | | | | | | | |
 | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — |
 | — | 5:17 | — | — | 5:16 | — | — | 5:15 | — | — | 5:15 | — | — | 5:15 | — | — | 5:14 | — | — | 5:13 | — |
3 | 8 | 20 | 2 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 13 | 15 | 16 | 14 | 14 | 14 | 12 | 13 | 14 | 13 | 13 | 14 | 12 |
10 | 11 | 14 | 14 | 13 | 13 | 14 | 14 | 13 | 15 | 15 | 13 | 13 | 13 | 11 | 12 | 13 | 12 | 12 | 13 | 10 | |
Swell 1 Height (m) Direction Period (s) | WNW 15 | WSW 11 | NW 11 | W 10 | WSW 10 | WSW 12 | WSW 13 | WSW 13 | WSW 12 | WSW 17 | WSW 16 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 10 | N 6 | WSW 14 |
 kJ | 172 | 12 | 1464 | 514 | 402 | 579 | 499 | 418 | 206 | 1523 | 1165 | 752 | 458 | 303 | 152 | 111 | 77 | 65 | 78 | 33 | 236 |
Swell 2 Height (m) Direction Period (s) | WSW 12 | WSW 18 | W 12 | NNW 10 | W 18 | NNW 9 | NNW 9 | NNW 9 | NNW 11 | N 13 | N 12 | N 10 | N 9 | N 9 | N 9 | N 7 | N 7 | N 7 | N 6 | WSW 10 | N 6 |
| kJ | 27 | 31 | 350 | 500 | 25 | 201 | 143 | 135 | 158 | 209 | 137 | 78 | 43 | 25 | 24 | 17 | 24 | 24 | 13 | 56 | 31 |
Swell 3 Height (m) Direction Period (s) | — | — | WSW 16 | WSW 16 | — | — | — | — | WSW 8 | — | — | — | N 4 | N 4 | N 12 | N 12 | NW 4 | WSW 16 | WSW 14 | WSW 15 | N 12 |
| kJ | — | — | 26 | 26 | — | — | — | — | 81 | — | — | — | 1 | 1 | 3 | 3 | 3 | 24 | 70 | 121 | 3 |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 10 | — | — | NNW 10 | — | — | — | — | — | — | — | — | — | — | N 3 | — | ESE 2 | — | — | — |
| kJ | 619 | 1644 | — | — | 437 | — | — | — | — | — | — | — | — | — | — | 3 | — | 1 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 129 | 205 | 1 | 0 | 1 | 38 | 0 | 48 | 0 | 0 | 48 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in West Coast South Island | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
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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