Surf Forecasts:
Black Rocks Jetty surf forecast from 10 Aug 2026:
- Best quality surf: Saturday 15 Aug, 1PM (local time) - 5ft (1.5m), 19s period, SSW swell with glassy winds.
- Most powerful swell: Sunday 16 Aug, 1AM (local time) - 8ft (2.5m), 18s period, SSW swell with 4,041 kJ wave energy.
- Next surfable swell (1★+): Tuesday 11 Aug, 1AM (local time) - 4.5ft (1.3m), 15s period with SW swell.
Best Forecast Surf Conditions for Black Rocks Jetty this week:
The surf forecast for Black Rocks Jetty over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 11) at 1AM. The primary swell is predicted to be 1.3m and 15s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Black Rocks Jetty in the next 16 days are 2.5m 18s and forecast to arrive on Sunday (Aug 16) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Saturday (Aug 15) at 1PM.
| Wave Type | Time (+04) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Tue 11th Aug) | 4.5ft (1.3m) 15s |
| Best Surf | 1PM (Sat 15th Aug) | 5ft (1.5m) 19s |
| Most Powerful | 1AM (Sun 16th Aug) | 8ft (2.5m) 18s |
Table - best surf conditions forecast for Black Rocks Jetty over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s talk about what’s brewing at Black Rocks Jetty in feet and knots.
The first real surf shows up on Monday the 10th of August. The ocean’s got a bit of life, but the real big stuff lands later in the week. The water’s feeling a bit warm – about 77°, which is a touch warmer than usual for this time of year.
Monday afternoon sees a clean 4ft south-west swell, with a very long 16-second period. That’s proper groundswell, with a solid 923 energy rating. The wind is dead calm, glassy. The reef will be handling this beautifully. This is a standout session to open the run.
Tuesday the 11th keeps it clean – 4ft south-west swell, 14-second period, glassy all day. Wave energy around 610. Very consistent break, so you’ll get plenty.
Wednesday the 12th is a bit mixed – morning has a light onshore, but the afternoon cleans up to glassy with a 4ft swell.
Thursday the 13th is smaller, around 4ft, with some cross-shore bumps in the morning, but the afternoon glass-off makes it fun.
Friday the 14th of August is where the magic really kicks off. The morning hits with a solid 6ft south-west swell, glassy, 13-second period. 1237 energy – that’s strong. By the afternoon, the swell drops to 3ft, but the period stretches to a very long 21 seconds. Energy is even higher at 1488. Glassy and clean. This is the session to aim for – long, peeling lines on the reef.
Saturday the 15th of August is a big day. Morning has a 6ft south-south-west swell, 20-second period, and massive 2942 energy. Glassy. By the afternoon, it builds to 8ft, 18-second period, and a huge 3916 energy. This is expert territory.
Sunday the 16th holds at 8ft in the morning with clean cross-off wind. Still excellent, but big.
Second week sees the swell drop. Monday the 17th has a 4ft south-west swell, 16-second period, glassy in the afternoon – a nice, more mellow session.
From Tuesday 18th to Friday 21st, it’s small – 2ft to 3ft. Mostly clean, but small. Good for a longboard.
Friday the 21st afternoon has a 2ft south swell with a very long 20-second period and clean cross-off – a sneaky good little wave.
Sunday the 23rd of August morning perks up with a 3ft south swell, 17-second period, glassy. 903 energy. Very good.
Then Sunday the 23rd afternoon hits with a 7ft south swell and onshore wind – lumpy and rough.
The final big standout is Monday the 24th of August morning – a large 8ft south swell, 16-second period, clean cross-off wind. Energy is massive at 3102. Experts only.
After that, the 25th of August gets onshore with 30+ km/h winds and sloppy conditions.
Best of the whole window: Friday the 14th of August afternoon for quality, and Saturday the 15th of August morning for size and power.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Mon afternoon. Warm (max 24°C on Mon afternoon, min 21°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Sat afternoon. Warm (max 25°C on Fri morning, min 23°C on Thu afternoon). Wind will be generally light. | |||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||
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) | SW 16 | SW 15 | SW 14 | SW 14 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 11 | SW 13 | SSW 13 | SW 20 | SSW 20 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 897 | 788 | 598 | 598 | 631 | 650 | 588 | 431 | 363 | 367 | 515 | 966 | 763 | 738 | 2087 | 3347 | 4041 | 2781 | 2182 | 1096 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | glassy | on | glassy | glassy | cross | glassy | cross | glassy | glassy | glassy | glassy | glassy | cross | cross-off | cross-off | cross-on |
High Tide | 11:46PM0.55m | 12:56PM0.54m | 00:28AM0.59m | 1:30PM0.56m | 1:06AM0.61m | 2:01PM0.57m | 1:41AM0.60m | 2:29PM0.56m | 2:14AM0.58m | 2:54PM0.54m | 2:44AM0.54m | 3:14PM0.52m | 3:12AM0.48m | |||||||
Low Tide | 5:52PM0.20m | 6:20AM-0.01m | 6:31PM0.17m | 6:58AM-0.03m | 7:07PM0.15m | 7:33AM-0.02m | 7:42PM0.14m | 8:06AM0.01m | 8:15PM0.15m | 8:35AM0.06m | 8:47PM0.16m | 9:01AM0.11m | 9:18PM0.17m | |||||||
 |  |  | |  |  | | | | | | | |  | |  | | | | | |
 | — | — | 6:45 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — |
 | 6:02 | — | — | 6:02 | — | — | 6:04 | — | — | 6:04 | — | — | 6:04 | — | — | 6:05 | — | — | 6:05 | — |
mm | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 24 | 23 | 23 | 22 | 22 | 23 | 22 | 22 | 24 | 23 | 23 | 25 | 24 | 23 | 24 | 23 | 23 | 25 | 23 | 23 |
Feels °C | 27 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 25 | 28 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 15 | SW 14 | SW 14 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 11 | SW 13 | SSW 13 | SSW 12 | SSW 20 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SW 16 |
| kJ | 897 | 788 | 598 | 598 | 631 | 650 | 588 | 431 | 363 | 367 | 515 | 966 | 725 | 582 | 2087 | 3347 | 4041 | 2781 | 2182 | 1096 |
Swell 2 Height (m) Direction Period (s) | NE 7 | NE 8 | NE 10 | NE 6 | NE 7 | NE 13 | NE 13 | NE 12 | ENE 11 | SSW 16 | SW 15 | SW 24 | SW 21 | SW 20 | SSW 12 | SSW 12 | SSW 11 | NE 7 | NE 6 | S 14 |
| kJ | 29 | 61 | 65 | 26 | 16 | 42 | 41 | 36 | 25 | 102 | 223 | 271 | 763 | 738 | 397 | 247 | 115 | 16 | 23 | 449 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 8 | SSE 6 | E 12 | NE 12 | — | NNE 12 | NE 12 | ENE 11 | NE 12 | NE 11 | NE 6 | NE 6 | SSW 12 | SSW 12 | — | — | — | NE 6 |
| kJ | 26 | 15 | 12 | 8 | 11 | 6 | — | 15 | 6 | 25 | 23 | 44 | 25 | 27 | 458 | 322 | — | — | — | 21 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 6 | NE 6 | NE 7 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 27 | 34 | 37 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
Best forecast wave conditions in Réunion Island | ||||||||||||||||||||
Best forecast wave conditions in Reunion | ||||||||||||||||||||
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Information about the Black Rocks Jetty Surf forecast
The above surf forecast table for Black Rocks Jetty provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Black Rocks Jetty can be found by selecting the local surf guide option on the grey menu. Our Black Rocks Jetty 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 (Black Rocks Jetty) 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 Black Rocks Jetty 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.
Black Rocks Jetty is 6 km (4 miles) from Saint-Paul. If you plan a holiday in Réunion Island, look for hotels and other accommodation in Saint-Paul. Saint-Paul has rooms for a wide range of budgets as well as car hire and transport links.
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