Black Rocks Jetty Surf Break

Lat Long: 21.04° S 55.23° E

Black Rocks Jetty Surf Forecast and Surf Report

Issued: 9 pm 16 Jul 2026 (local time)

Forecast update in  hr  min

Today's Black Rocks Jetty sea temperature is
24.3° C
0.8° 

Black Rocks Jetty surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Black Rocks Jetty surf forecast from 17 Jul 2026:

  • Best quality surf: Monday 20 Jul, 7AM (local time) - 5ft (1.6m), 14s period, SW swell with offshore winds.
  • Most powerful swell: Monday 20 Jul, 4PM (local time) - 7ft (2.1m), 14s period, SSW swell with 1,590 kJ wave energy.
  • Next surfable swell (1★+): Friday 17 Jul, 7AM (local time) - 1.5ft (0.5m), 17s period with S 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 Friday (Jul 17) at 7AM. The primary swell is predicted to be 0.5m and 17s period with a secondary swell of 0.5m and 10s. 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 2.1m 14s and forecast to arrive on Monday (Jul 20) at 4PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Friday (Jul 17) at 7AM.

Wave TypeTime (+04) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Fri 17th Jul)1.5ft (0.5m) 17s
Best Surf 7AM (Mon 20th Jul)5ft (1.6m) 14s
Most Powerful 4PM (Mon 20th Jul)7ft (2.1m) 14s

Table - best surf conditions forecast for Black Rocks Jetty over the next 16 days.


The Lowdown

Alright, let’s get into it. This is Rusty, and I’m looking at the next couple of weeks here at Black Rocks Jetty. This spot is a reef break, exposed to the south-west swell, and it’s looking like a bit of a slow-burner, but when it fires, it’s gonna be a stunner.

The water temp is sitting about average for the time of year, nothing too wild.

Alright, we’ve got a bit of a quiet start. Friday the 17th is a bit of a tease. Morning glass-off with a 2 ft S swell (367 combined energy), clean and glassy – that’s about as good as it gets for a small wave. But it’s small. The afternoon gets blown out by a 12 mph onshore wind, so don’t bother.

Saturday the 18th and Sunday the 19th are a bit of a mixed bag. Saturday has onshore wind and dropping swell, not great. Sunday morning shows a bit more promise with a glassy 3 ft SW swell, 16 seconds period, and 484 combined energy. That’s a clean little wave, but still small.

Now, here’s where it gets interesting. Monday the 20th is the first real standout. The morning brings a clean 6 ft SW swell at 14 seconds, with glassy conditions. That’s a solid wave for anyone with a bit of experience. The afternoon gets even better: 7 ft SSW swell, glassy, clean, and 1,606 combined energy. That’s the best of the first week, no question.

Tuesday the 21st holds on with a 6 ft SSW swell in the morning, clean with cross-off wind, but it goes onshore in the afternoon. Good for a morning session. The rest of the week through to Thursday the 24th is a bit of a roll with smaller, clean swells in the morning, but nothing that’s going to blow your mind.

Friday the 24th and Saturday the 25th are a bit of a lull, with lighter swell and mixed winds. You’ll get some clean windows, but it’s not the main event.

Hold onto your board, because Monday the 27th of July is the big one. A massive 10 ft SW groundswell, with a 20-second period – that’s a very long period groundswell. The combined energy is 6,360, which is immense. The morning is glassy. This is a serious, expert-only wave. The power is huge, and with that period, it’s going to be a proper freight train. This is the absolute standout of the entire outlook. The afternoon is also glassy, with 10 ft at 18 seconds – still huge.

Tuesday the 28th is still offering big, clean waves for experienced surfers, with 8 ft to 8 ft SW swell, but the wind gets a bit stronger. It’s cross-off, so it’s clean, but it’s a step down from Monday.

After that, from Wednesday the 29th through to the end of the run, it’s a mix of big, powerful swell and onshore or cross-onshore wind. The 30th and 31st of July are looking poor with strong, lumpy onshore winds, and that big swell will be a messy, dangerous beast. The 1st of August brings a bit of a drop in size, but still messy.

The takeaway: If you’re an expert, Monday the 27th of July is your day. That’s the one to circle. The first week’s best is Monday the 20th of July for a bigger, clean swell. For the rest, it’s a lot of waiting for the magic to happen.

– Rusty

Short Range Forecast

Light rain (total 6mm), mostly falling on Thu night. Warm (max 24°C on Fri morning, min 21°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 23°C on Mon morning, min 21°C on Sun night). Wind will be generally light.

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
0
2
1
0
1
2
2
3
4
4
4
3
1
3
3
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
S
10
0.7
S
17
1.2
S
16
1.1
S
14
1
S
13
0.8
SSW
11
0.6
SW
16
0.9
SW
16
1
SW
15
1.1
SW
14
1.7
SW
14
2.1
SSW
14
2
SSW
13
1.7
SSW
12
1.7
SSW
12
1.7
SSW
11
1.6
SSW
13
1.5
S
13
1.3
S
12
Wave Graph
Metric surfscale
Energy kJ
71
280
701
501
334
170
214
411
415
422
1073
1590
1269
864
763
716
901
736
504
Wind (km/h)
10
N
5
WNW
20
SSW
10
S
5
SW
15
SW
5
SSE
5
SW
10
SSW
5
NE
5
N
5
WNW
5
NE
5
NNW
15
SW
5
SE
5
SSE
10
SSE
5
NW
Wind State
cross-off
glassy
on
cross-on
on
on
cross
glassy
on
glassy
glassy
glassy
off
cross-off
on
glassy
glassy
cross-on
glassy
High Tide
2:35AM0.57m
3:43PM0.51m
3:12AM0.53m
4:16PM0.48m
3:48AM0.48m
4:45PM0.46m
4:23AM0.42m
5:12PM0.43m
5:06AM0.37m
5:44PM0.41m
7:30AM0.32m
6:52PM0.39m
Low Tide
9:11AM0.04m
9:19PM0.21m
9:46AM0.10m
9:59PM0.23m
10:19AM0.16m
10:44PM0.25m
10:48AM0.22m
11:42PM0.27m
11:16AM0.27m
1:22AM0.27m
12:07PM0.31m
3:32AM0.24m
rain showers
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:54
6:54
6:54
6:54
6:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:54
5:54
5:54
5:55
5:55
 mm
6
Temp °C
23
24
24
22
23
23
22
23
22
22
23
22
21
23
23
22
23
22
22
Feels °C
25
27
23
23
24
22
23
25
23
25
24
24
23
24
23
23
24
23
25
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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