Surf Forecasts:
Black Rocks Jetty surf forecast from 26 Aug 2026:
- Best quality surf: Saturday 29 Aug, 1AM (local time) - 13ft (4.0m), 16s period, SSW swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 7AM (local time) - 13ft (4.0m), 16s period, SSW swell with 8,543 kJ wave energy.
- Next surfable swell (1★+): Wednesday 26 Aug, 10AM (local time) - 5ft (1.5m), 12s 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 Wednesday (Aug 26) at 10AM. The primary swell is predicted to be 1.5m and 12s period with a secondary swell of 0.8m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Black Rocks Jetty in the next 16 days are 4.0m 16s and forecast to arrive on Friday (Aug 28) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 7s period and expected on Sunday (Aug 30) at 7PM.
| Wave Type | Time (+04) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Wed 26th Aug) | 5ft (1.5m) 12s |
| Best Surf | 1AM (Sat 29th Aug) | 13ft (4.0m) 16s |
| Most Powerful | 7AM (Fri 28th Aug) | 13ft (4.0m) 16s |
Table - best surf conditions forecast for Black Rocks Jetty over the next 16 days.
The Lowdown
Alright folks, this is Rusty checking in with a look at what’s on the cards for the next couple of weeks. We’ve got one spot firing up, so let’s get into it.
The forecast is all about Black Rocks Jetty, a reef break that's very consistent. The steering wind is from the NE, and it needs a solid SW swell to wake up. There’s a decent-sized run of surf to look forward to, but there’s a notable quiet spell coming up in the first few days of September, so we’ll work through it chronologically.
The first real action kicks off Wednesday morning, 26 August. We’re looking at a 5 ft SW swell with a 12-second period, and the wind is a clean cross-off from the NNW at 6 mph. The water temperature is about what you'd expect for this time of year. It’s a clean start, with moderate wave energy (935), giving us some fun, punchy waves. That afternoon, swell drops to 3 ft, but the period stretches out to 18 seconds, and with only 3 mph of north wind, it’s dead clean. The energy jumps up (1142 for a smaller wave), which is a sign of that long-period groundswell doing its thing. This is a classic case where that long-period energy will be best on the take-off at the reef. Glassy and clean – you won't be alone, crowds are possible here, but the quality will be worth it.
Thursday 27 August morning goes a bit sideways. The swell jumps to 10 ft from the SSW, but the wind is blowing straight onshore from the SW at 6 mph, which will turn it into a messy, lumpy wall. The energy is huge (4932), but that onshore wind is going to make it a battle. Afternoon stays at 10 ft but the wind swings to the SSW at 12 mph, making it a choppy cross-onshore mess. This is a pass.
Friday 28 August is very big and very rough. We’re looking at 13 ft of SW swell with a 16-second period (energy hitting 7690-8605). That's expert-only territory anyway, and with strong SSE winds (15-18 mph) creating a lumpy cross-chop, it’s a no-go for paddling. At this size and with this wind, the setup looks more interesting for kite surfing than paddle surfing.
Saturday 29 August is the highlight of this early run. The swell drops back to a still-sizeable 11 ft from the SSW (energy 4900), but Saturday afternoon is the real gem. The wind goes completely glassy, the swell is 10 ft with a 15-second period, and the forecast says "excellent surf conditions for experienced surfers". That is the standout. If you can handle the size, that Saturday afternoon (29 August) is going to be incredible – just you and the swell.
Sunday 30 August morning holds glassy conditions with a 7 ft SSW swell and a 14-second period. The energy is moderate (1910), and it’s clean. A solid option for experienced surfers again. The wind starts to pick up in the afternoon, making it less appealing.
Monday 31 August is smaller, with a 4 ft clean glassy morning, but the energy is low (497) – more of a small-wave cruiser session.
Then we hit a gap. From Tuesday 1 September right through to Thursday 3 September, the surf gets tiny (1 ft to 2 ft) with very low energy (62-149). It’s flat, and the waves are ordinary. A few days of nothing much on offer.
But the second week shapes up well. Friday 4 September morning sees a return of some real quality: a glassy 4 ft SW swell with a very long 19-second period, energy at 1112. That’s the kind of long-period line that will wrap around the headland beautifully. The afternoon holds 6 ft SW swell, 17-second period, glassy. This is another standout session – promising but less certain given the distance out, but the forecast looks crisp.
Saturday 5 September keeps the run going with a solid 6 ft SW swell (14-second period) and a clean offshore NE breeze at 12 mph. Clean, groomed lines for experienced surfers.
Sunday 6 September is smaller again, and the wind turns onshore in the afternoon, so morning is the call if you’re keen.
Then we get another big pulse for the more confident crew. Monday 7 September starts pushing 10 ft from the SW, 15-second period, with light cross-shore winds. That’s a big, powerful swell (energy 3537-3755). Tuesday 8 September gets even bigger, hitting 13 ft and then 11 ft in the afternoon with glassy conditions. The afternoon of Tuesday 8 September is flagged as "exceptional surf conditions for expert surfers" with energy at 6831. That is massive, very long period groundswell. For the experts only – that's a serious, heavy day at the reef. Wednesday 9 September stays excellent but drops to a more manageable 8 ft, glassy and clean.
So, my picks are simple: Saturday 29 August afternoon is the first standout – glassy, big, and clean. Then keep your eye on Friday 4 September and Tuesday 8 September afternoon for the second week. The 8th is for experts only.
Stay safe out there.
Rusty
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Warm (max 24°C on Wed morning, min 20°C on Fri night). Winds increasing (calm on Wed afternoon, fresh winds from the SSE by Thu night). | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Mon morning, min 20°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||
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) | SW 12 | SSW 18 | SSW 16 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 12 | S 12 | S 11 | S 11 | S 11 | S 10 |
Wave Graph | |||||||||||||||||||||
594 | 553 | 1832 | 4874 | 4873 | 7795 | 7361 | 8234 | 7163 | 4900 | 3699 | 2671 | 1969 | 1377 | 1026 | 497 | 418 | 253 | 149 | 112 | 72 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-on | glassy | cross-on | cross-on | cross-on | cross | cross-off | cross | glassy | glassy | glassy | glassy | glassy | glassy | on | glassy | glassy | on | glassy |
High Tide | 12:44PM0.50m | 00:16AM0.55m | 1:02PM0.53m | 00:43AM0.58m | 1:22PM0.56m | 1:11AM0.59m | 1:44PM0.57m | 1:40AM0.59m | 2:08PM0.58m | 2:11AM0.56m | 2:33PM0.57m | 2:44AM0.53m | 3:00PM0.54m | 3:22AM0.47m | |||||||
Low Tide | 6:23PM0.17m | 6:43AM0.04m | 6:48PM0.15m | 7:07AM0.03m | 7:14PM0.13m | 7:31AM0.04m | 7:42PM0.12m | 7:56AM0.06m | 8:11PM0.11m | 8:22AM0.09m | 8:43PM0.12m | 8:49AM0.13m | 9:19PM0.13m | ||||||||
6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:28 | — | — | |
— | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:08 | — | — | 6:08 | — | — | 6:08 | — | — | 6:08 | — | |
mm | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 23 | 22 | 23 | 24 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 22 |
Feels °C | 24 | 24 | 23 | 25 | 23 | 22 | 18 | 19 | 17 | 21 | 22 | 22 | 22 | 23 | 23 | 24 | 23 | 25 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | SSW 16 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 12 | S 12 | S 11 | S 11 | S 11 | NE 11 |
594 | 437 | 1832 | 4874 | 4873 | 7795 | 7361 | 8234 | 7163 | 4900 | 3699 | 2671 | 1969 | 1377 | 1026 | 497 | 418 | 253 | 149 | 112 | 123 | |
Swell 2 Height (m) Direction Period (s) | S 11 | SSW 18 | SW 11 | S 11 | SE 10 | SSE 10 | — | — | — | — | — | — | NE 7 | NE 7 | NE 10 | NE 7 | NE 7 | NE 11 | NE 8 | NE 8 | S 10 |
157 | 553 | 254 | 58 | 51 | 19 | — | — | — | — | — | — | 16 | 39 | 47 | 33 | 33 | 110 | 51 | 51 | 72 | |
Swell 3 Height (m) Direction Period (s) | SW 19 | S 11 | S 11 | — | — | — | — | — | — | — | — | — | — | — | — | ENE 10 | ENE 10 | SW 16 | NE 11 | NE 11 | SW 14 |
184 | 152 | 82 | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 21 | 10 | 30 | 30 | 29 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSW 8 | — | — | — | — | — | — | SE 8 | — | — | — | — | — | — | — |
— | — | — | — | — | — | 438 | — | — | — | — | — | — | 253 | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 1 | 0 | 27 | 3 | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 0 |
Best forecast wave conditions in Réunion Island | |||||||||||||||||||||
Best forecast wave conditions in Reunion | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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.











