Surf Forecasts:
Clarence River surf forecast from 16 Sep 2026:
- Best quality surf: Monday 21 Sep, 12AM (local time) - 16ft (5.0m), 12s period, SSW swell with offshore winds.
- Most powerful swell: Monday 21 Sep, 12AM (local time) - 16ft (5.0m), 12s period, SSW swell with 6,519 kJ wave energy.
- Next surfable swell (1★+): Thursday 17 Sep, 12PM (local time) - 2ft (0.6m), 10s period with ESE swell.
Best Forecast Surf Conditions for Clarence River this week:
The surf forecast for Clarence River over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 17) at 12PM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.3m and 14s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Clarence River in the next 16 days are 5.0m 12s and forecast to arrive on Monday (Sep 21) at 12AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 6s period and expected on Wednesday (Sep 23) at 3AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Thu 17th Sep) | 2ft (0.6m) 10s |
| Best Surf | 12AM (Mon 21st Sep) | 16ft (5.0m) 12s |
| Most Powerful | 12AM (Mon 21st Sep) | 16ft (5.0m) 12s |
Table - best surf conditions forecast for Clarence River over the next 16 days.
Short Range ForecastHeavy rain (total 22mm), heaviest during Thu afternoon. Very mild (max 16°C on Sat afternoon, min 6°C on Thu afternoon). Winds increasing (calm on Thu night, fresh winds from the SSW by Sat night). | Days 4-6 Weather SummaryModerate rain (total 12mm), heaviest on Tue morning. Very mild (max 15°C on Mon afternoon, min 5°C on Tue night). Winds decreasing (fresh winds from the SSW on Sun afternoon, calm by Tue afternoon). | ||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||
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) | SE 11 | ESE 10 | SE 14 | ESE 13 | ESE 12 | S 15 | SSW 15 | SSW 14 | ESE 11 | S 7 | S 9 | SSW 12 | S 10 | S 10 | S 9 | SE 13 | S 8 | S 7 | S 16 | S 9 | S 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 57 | 67 | 59 | 277 | 294 | 287 | 288 | 213 | 109 | 306 | 1033 | 6519 | 1048 | 455 | 181 | 27 | 454 | 100 | 251 | 257 | 245 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | glassy | on | cross-off | off | cross-on | on | cross | off | cross-off | off | on | on | cross-off | cross-off | glassy | off | off | off | cross |
High Tide | 9:26AM1.44m | 9:50PM1.33m | 10:15AM1.42m | 10:39PM1.30m | 11:03AM1.40m | 11:26PM1.28m | 11:50AM1.38m | 00:12AM1.26m | 12:36PM1.38m | 00:58AM1.26m | 1:22PM1.37m | 1:42AM1.26m | 2:06PM1.38m | 2:27AM1.27m | |||||||
Low Tide | 3:46PM0.25m | 3:59AM0.27m | 4:34PM0.29m | 4:46AM0.30m | 5:21PM0.31m | 5:31AM0.32m | 6:07PM0.33m | 6:16AM0.32m | 6:52PM0.33m | 7:01AM0.32m | 7:37PM0.32m | 7:45AM0.30m | 8:22PM0.31m | ||||||||
 |  |  |  |  |  | | |  | | | | | |  |  |  | | | | | |
 | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — | 6:13 | — | — | 6:11 | — | — |
 | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:17 | — | — | 6:19 | — | — | 6:20 | — | — | 6:21 | — |
mm | 3 | 11 | 3 | — | — | — | — | — | 5 | — | — | — | — | — | — | 6 | 1 | 5 | 1 | — | — |
Temp °C | 8 | 7 | 8 | 12 | 12 | 10 | 14 | 16 | 14 | 11 | 11 | 8 | 13 | 15 | 14 | 8 | 9 | 9 | 8 | 8 | 7 |
Feels °C | 5 | 2 | 5 | 10 | 10 | 6 | 10 | 14 | 12 | 7 | 2 | 2 | 9 | 11 | 12 | 3 | 5 | 2 | -1 | 1 | 3 |
Swell 1 Height (m) Direction Period (s) | SE 11 | ESE 10 | S 6 | ESE 13 | ESE 12 | ESE 11 | SE 12 | ESE 11 | ESE 11 | ESE 11 | S 15 | S 12 | S 10 | S 10 | S 9 | SE 13 | SSW 15 | S 7 | S 16 | S 16 | S 9 |
| kJ | 57 | 67 | 54 | 277 | 294 | 223 | 202 | 157 | 109 | 81 | 118 | 4465 | 1048 | 455 | 181 | 27 | 79 | 100 | 251 | 257 | 245 |
Swell 2 Height (m) Direction Period (s) | SSW 4 | NNE 7 | ESE 9 | S 5 | SSE 9 | S 15 | SSW 15 | SSW 14 | S 12 | SSW 16 | ESE 11 | ESE 11 | SE 10 | S 15 | S 13 | NNE 6 | SE 12 | SSW 16 | SE 11 | SE 11 | S 16 |
| kJ | 6 | 9 | 59 | 14 | 49 | 287 | 288 | 213 | 99 | 80 | 46 | 23 | 27 | 172 | 119 | 4 | 37 | 83 | 32 | 30 | 181 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SSW 15 | SE 14 | SSW 16 | S 16 | ENE 7 | NE 8 | ENE 5 | SSW 15 | ENE 10 | ENE 10 | — | E 10 | SE 10 | NE 5 | ESE 11 | E 10 | SE 12 | ESE 8 | ESE 8 | ESE 11 |
| kJ | 41 | 44 | 51 | 50 | 126 | 5 | 2 | 19 | 72 | 9 | 9 | — | 9 | 26 | 14 | 11 | 8 | 35 | 7 | 6 | 23 |
Wind waves Height (m) Direction Period (s) | — | SSW 4 | — | NE 2 | — | — | NE 3 | NE 5 | N 5 | S 7 | S 9 | SSW 12 | — | NE 3 | — | S 6 | S 8 | — | S 6 | S 9 | — |
| kJ | — | 40 | — | 1 | — | — | 9 | 41 | 8 | 306 | 1033 | 6519 | — | 6 | — | 255 | 454 | — | 157 | 257 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 10 | 0 | 0 | 10 | 10 | 10 | 0 | 113 | 0 | 10 | 10 | 0 | 137 | 0 | 28 | 121 | 53 | 10 |
Best forecast wave conditions in Kaikoura and Marlborough | |||||||||||||||||||||
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 Clarence River 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 Clarence River Surf forecast
The above surf forecast table for Clarence River provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Clarence River can be found by selecting the local surf guide option on the grey menu. Our Clarence River 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 (Clarence River) 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 Clarence River 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.
Clarence River is 70 km (43 miles) from the city of Blenheim. If you plan a holiday in Kaikoura and Marlborough, look for hotels and other accommodation in Blenheim. Blenheim has rooms for a wide range of budgets as well as car hire and transport links.
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