Surf Forecasts:
Black Rocks Jetty surf forecast from 20 Aug 2026:
- Best quality surf: Thursday 27 Aug, 10AM (local time) - 10ft (3.0m), 18s period, SSW swell with cross-offshore winds.
- Most powerful swell: Thursday 27 Aug, 10AM (local time) - 10ft (3.0m), 18s period, SSW swell with 5,510 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 1PM (local time) - 2ft (0.6m), 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 Thursday (Aug 20) at 1PM. The primary swell is predicted to be 0.6m and 15s period with a secondary swell of 0.5m and 12s. 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 3.0m 18s and forecast to arrive on Thursday (Aug 27) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 8s period and expected on Friday (Aug 21) at 4AM.
| Wave Type | Time (+04) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Thu 20th Aug) | 2ft (0.6m) 15s |
| Best Surf | 10AM (Thu 27th Aug) | 10ft (3.0m) 18s |
| Most Powerful | 10AM (Thu 27th Aug) | 10ft (3.0m) 18s |
Table - best surf conditions forecast for Black Rocks Jetty over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s take a look at what’s headin’ our way. We’ve got a single spot on the radar for this entire 16-day window, and it’s a ripper, but it’s got a very specific window for the big stuff.
The first decent surf rolls in Thursday morning, August 20th, with a clean 3ft SW groundswell rolling in at 16 seconds. The water is a touch warmer than normal at 77°, which is a nice bonus. The wind is glassy, so it’s clean, but the energy is still weak (350). It’s a gentle start.
Things build nicely through Friday and Saturday, August 21st and 22nd. The swell gets up to 4ft and then 5ft, still from the SW, with that same long period, glassy conditions, and the energy starts to pump up into the moderate range (611 up to 1043). This is where it starts getting really good.
Now, the real standout is Sunday, August 23rd, and it just keeps getting better. By Sunday morning, we’ve got a 8ft SSW groundswell with a 14-second period, and the energy is strong (2313). The wind is glassy. This is excellent surf for experienced surfers. Monday, August 24th, is even chunkier, with a 8ft SSW swell and a 15-second period, and the energy is cranking (2560), still glassy. This is the peak of the first week.
If you’re an expert, the absolute best of the best lands on Friday, August 28th. The morning session is a monster: a 13ft SSW groundswell with a 16-second period, and the combined energy is a massive 11702. The wind is dead calm, glassy. This is exceptional surf, but it’s for experts only. The afternoon stays impressive at 12ft.
After that, the swell slowly fades through the end of August and into the first couple of days of September, but it stays clean and rideable, with waist-to-head-high sets and good shape. The water stays warm.
The Standout: The clear winner is Black Rocks Jetty on Friday, August 28th. That morning, you’ve got a 13ft SSW groundswell with a 16-second period, absolute perfection in the wind department with glassy conditions, and the energy is sky-high (11702). It’s a reef break, so that long-period groundswell will wrap in beautifully. It’s a big day for big-wave chargers only. The morning of Thursday, August 27th, is also a serious contender for the same reason, with a 10ft SSW groundswell at 18 seconds and clean cross-off wind.
Rusty out.
Short Range ForecastMostly dry. Warm (max 24°C on Fri morning, min 21°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Sun morning, min 21°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 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) | SW 16 | SW 15 | SW 16 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 14 | SSW 14 | SW 14 | SW 13 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SW 12 | SSW 14 | SSW 16 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 302 | 171 | 344 | 598 | 590 | 686 | 885 | 846 | 1161 | 2313 | 1895 | 1067 | 2387 | 2068 | 1449 | 1083 | 771 | 471 | 1158 | 2550 | 2445 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | on | cross-on | cross |
High Tide | 4:00PM0.39m | 1:32PM0.35m | 12:15PM0.37m | 10:29PM0.37m | 12:11PM0.40m | 11:00PM0.42m | 12:17PM0.43m | 11:26PM0.46m | 12:28PM0.46m | 11:51PM0.51m | 12:44PM0.50m | 00:16AM0.55m | |||||||||
Low Tide | 3:25AM0.25m | 4:43AM0.20m | 5:01PM0.31m | 5:08AM0.16m | 5:15PM0.27m | 5:32AM0.12m | 5:36PM0.23m | 5:55AM0.08m | 5:59PM0.20m | 6:19AM0.05m | 6:23PM0.17m | ||||||||||
 | |  | | | | | | |  | |  | | | | | | | | | | |
 | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — |
 | — | 6:06 | — | — | 6:06 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 22 | 22 | 24 | 22 | 22 | 23 | 23 | 22 | 23 | 22 | 22 | 23 | 22 | 22 | 23 | 23 | 22 | 23 | 23 | 22 |
Feels °C | 25 | 25 | 25 | 26 | 24 | 24 | 25 | 25 | 24 | 25 | 24 | 24 | 25 | 24 | 24 | 25 | 25 | 24 | 22 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 15 | SW 16 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 14 | SSW 14 | SW 14 | SW 13 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SW 12 | SSW 14 | SSW 16 | SSW 15 |
| kJ | 302 | 171 | 344 | 598 | 590 | 686 | 885 | 846 | 1161 | 2313 | 1895 | 1067 | 2387 | 2068 | 1449 | 1083 | 771 | 471 | 1158 | 2550 | 2445 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | SW 11 | NE 8 | NE 10 | NE 10 | NE 10 | SSW 17 | SSW 16 | — | — | SSW 16 | SW 13 | — | S 16 | S 15 | NE 7 | S 12 | SW 12 | SSE 11 | S 11 |
| kJ | 48 | 46 | 82 | 21 | 36 | 35 | 33 | 197 | 808 | — | — | 870 | 173 | — | 47 | 39 | 7 | 169 | 355 | 24 | 9 |
Swell 3 Height (m) Direction Period (s) | NE 10 | SW 12 | S 9 | S 9 | S 18 | S 16 | S 14 | NE 8 | NE 9 | — | — | NE 9 | — | — | — | — | — | SSW 15 | NE 7 | — | SSE 11 |
| kJ | 34 | 72 | 27 | 13 | 6 | 20 | 16 | 21 | 12 | — | — | 13 | — | — | — | — | — | 77 | 7 | — | 24 |
Wind waves Height (m) Direction Period (s) | — | — | SE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 2 |
Best forecast wave conditions in Réunion Island | |||||||||||||||||||||
Best forecast wave conditions in Reunion | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 Black Rocks Jetty 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 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.
Nearest