Surf Forecasts:
Black Rocks Jetty surf forecast from 30 Aug 2026:
- Best quality surf: Sunday 30 Aug, 4PM (local time) - 6.5ft (2.0m), 13s period, SSW swell with glassy winds.
- Most powerful swell: Sunday 30 Aug, 10AM (local time) - 7.5ft (2.3m), 14s period, SSW swell with 2,048 kJ wave energy.
- Next surfable swell (1★+): Sunday 30 Aug, 4PM (local time) - 6.5ft (2.0m), 13s period with SSW 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 Sunday (Aug 30) at 4PM. The primary swell is predicted to be 2.0m and 13s 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 2.3m 14s and forecast to arrive on Sunday (Aug 30) at 10AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 7s period and expected on Thursday (Sep 03) at 7PM.
| Wave Type | Time (+04) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Sun 30th Aug) | 6.5ft (2.0m) 13s |
| Best Surf | 4PM (Sun 30th Aug) | 6.5ft (2.0m) 13s |
| Most Powerful | 10AM (Sun 30th Aug) | 7.5ft (2.3m) 14s |
Table - best surf conditions forecast for Black Rocks Jetty over the next 16 days.
The Lowdown
Alright, this is Rusty. Let’s break it down for Black Rocks Jetty.
The water is running at 77°F right now, which is a good 4°F above normal for this time of year – a real warm one, so you might get away with a shorty or just a spring suit.
Sunday the 30th of August afternoon is the first real chance. We’ve got a SSW swell running 7ft with a 13-second period. That’s a lot of energy – 1377 – and the wind goes glassy from the WSW. It’s clean, but it’s a reef break, and at that size it’s for experienced surfers only. The morning session is a scratch with a bigger 8ft swell and onshore wind.
Monday the 31st has a morning glass-off with zero wind and a clean 4ft south swell. It’s a small window but worth a paddle if you just need to get wet.
Things go flat and sloppy from Tuesday the 1st through Friday the 4th of September. Tiny waves and messy wind. On Friday morning, there’s a 2ft SSW swell with a super long 19-second period, but the cross-onshore wind kills it.
The first real standout is Saturday the 5th of September afternoon. A 5ft SW swell with a 14-second period, and a clean cross-off breeze from the NNW. Energy is at 681. That’s a good session.
The big one is Tuesday the 8th of September. The morning hits with a massive 12ft SSW groundswell, 15 seconds, and energy readings off the charts at 5482. Light offshore wind from the NE. This is an expert-only day, and it’s a reef break, so that long period will wrap in deep. Tuesday afternoon eases to 8ft from the south, still with a 15-second period and cross-off wind. Still heavy. The crowds are listed as ‘sometimes’ – expect company on a day like this.
Wednesday the 9th morning brings a glassy 6ft south swell. A solid, clean session. Then Thursday the 10th morning delivers another long-period SSW swell – 5ft at 19 seconds – and glassy conditions. That’s a dream combo for the reef.
Friday the 11th keeps it going with a clean, glassy morning and a 6ft SSW groundswell.
After that, it drops off. Saturday the 12th gets smaller and wind starts to mess things up. By Sunday the 13th and Monday the 14th, it’s onshore junk – not worth the drive.
So, if you need to pick one day, it’s Tuesday the 8th of September morning. Massive, clean, expert-only groundswell. Saturday the 5th afternoon and the glassy mornings from the 9th through the 11th are your solid backups. There’s a big gap of poor surf from the 1st to the 4th, so plan around that.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Mon morning, min 20°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Wed afternoon. Warm (max 23°C on Wed morning, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||||
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) | SSW 14 | SSW 13 | SSW 13 | S 12 | S 12 | S 12 | S 11 | S 11 | S 10 | SW 14 | SE 10 | SW 14 | SW 13 | SW 13 | SW 12 | SSW 19 | SSW 18 | SW 16 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2048 | 1377 | 1026 | 497 | 418 | 266 | 149 | 112 | 73 | 47 | 113 | 95 | 85 | 103 | 122 | 248 | 817 | 1193 | 1016 | 681 | 586 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | cross | glassy | off | glassy | cross | glassy | cross-off | on | cross-off | off | glassy | cross-on | glassy | cross-on | on | glassy | cross-on | cross-off | glassy |
High Tide | 2:08PM0.58m | 2:11AM0.56m | 2:33PM0.57m | 2:44AM0.53m | 3:00PM0.54m | 3:22AM0.47m | 3:30PM0.50m | 4:10AM0.40m | 4:07PM0.46m | 5:46AM0.34m | 5:11PM0.40m | 10:26AM0.36m | 8:28PM0.39m | ||||||||
Low Tide | 8:11PM0.11m | 8:22AM0.09m | 8:43PM0.12m | 8:49AM0.13m | 9:19PM0.13m | 9:17AM0.18m | 10:04PM0.16m | 9:47AM0.24m | 11:16PM0.19m | 10:26AM0.30m | 1:58AM0.20m | 2:58PM0.33m | 3:53AM0.15m | ||||||||
 | |  | | | |  | |  | |  | | | | | | | | | | | |
 | 6:30 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:26 | — | — | 6:26 | — | — | 6:24 | — | — |
 | — | 6:08 | — | — | 6:08 | — | — | 6:08 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 22 | 22 | 22 | 23 | 22 | 22 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 22 |
Feels °C | 21 | 22 | 23 | 24 | 22 | 23 | 23 | 24 | 22 | 24 | 24 | 25 | 24 | 24 | 25 | 24 | 24 | 24 | 26 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 13 | S 12 | S 12 | S 12 | S 11 | S 11 | S 10 | SSE 10 | NE 8 | NE 8 | SW 13 | SW 13 | NE 7 | SW 12 | SSW 18 | SW 16 | SW 14 | SW 14 | SW 14 |
| kJ | 2048 | 1377 | 1026 | 497 | 418 | 266 | 149 | 112 | 73 | 33 | 44 | 40 | 85 | 103 | 79 | 175 | 817 | 1193 | 1016 | 681 | 586 |
Swell 2 Height (m) Direction Period (s) | NE 7 | NE 7 | NE 10 | NE 8 | NE 8 | NE 8 | NE 8 | NE 6 | NE 8 | SW 14 | SW 14 | SW 14 | NE 8 | SSW 13 | SW 12 | SSW 19 | SW 12 | NE 8 | NE 8 | NE 8 | NE 8 |
| kJ | 16 | 38 | 68 | 38 | 39 | 40 | 40 | 39 | 41 | 47 | 73 | 95 | 23 | 58 | 122 | 248 | 152 | 44 | 44 | 44 | 45 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | — | — | NE 11 | ENE 11 | ENE 11 | ENE 11 | NE 11 | NE 11 | NE 11 | SSE 10 | SSW 14 | SSW 14 | SSE 5 | S 5 | NE 12 | NE 6 | NE 11 | NE 11 | — | S 16 |
| kJ | 9 | — | — | 29 | 11 | 12 | 12 | 19 | 19 | 20 | 31 | 41 | 61 | 5 | 13 | 83 | 28 | 5 | 5 | — | 19 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NE 8 | SE 10 | — | — | NE 6 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 45 | 113 | — | — | 22 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 9 | 2 | 0 | 9 | 0 | 0 |
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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