Black Rocks Jetty Surf Break

Lat Long: 21.04° S 55.23° E

Black Rocks Jetty Surf Forecast and Surf Report

Issued: 3 pm 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Black Rocks Jetty sea temperature is
24.7°C
1.8° 

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 2 Sep 2026:

  • Best quality surf: Wednesday 9 Sep, 1AM (local time) - 7.5ft (2.3m), 19s period, SW swell with offshore winds.
  • Most powerful swell: Wednesday 9 Sep, 7AM (local time) - 11ft (3.5m), 18s period, SSW swell with 7,021 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 2 Sep, 10PM (local time) - 4.5ft (1.3m), 7s period with SE 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 (Sep 02) at 10PM. The primary swell is predicted to be 1.3m and 7s period with a secondary swell of 0.7m and 5s. 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 3.5m 18s and forecast to arrive on Wednesday (Sep 09) at 7AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 7s period and expected on Wednesday (Sep 02) at 10PM.

Wave TypeTime (+04) & Date Wave Height & Period
Next good surf (1 star+)10PM (Wed 2nd Sep)4.5ft (1.3m) 7s
Best Surf 1AM (Wed 9th Sep)7.5ft (2.3m) 19s
Most Powerful 7AM (Wed 9th Sep)11ft (3.5m) 18s

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


The Lowdown

Alright, this is Rusty. Let's break down what's cooking at Black Rocks Jetty.

We've got a slow burn to start. The first surf worth mentioning comes on Wednesday, September 3rd, but it's pretty weak. We're looking at tiny 2ft to 2ft swell out of the SW with glassy conditions – clean, but you'll be on a log or a float. The energy is low, around 146 to 144. The water is running about 77°, which is a touch warmer than average for this time of year.

Thursday the 4th gets a bit more interesting. The swell builds to 2ft in the morning, then jumps to 5ft by the afternoon, still from the SW. The period hits 19 seconds in the morning and 17 in the afternoon – that's proper groundswell. The energy climbs from 463 to 1221. The wind is light cross-on in the morning, then turns clean onshore in the afternoon, so the morning is the better call.

Friday the 5th is a mixed bag. Morning shows 5ft from the SW with a 14-second period, light cross-on wind, and energy over 1000. It's surfable but marginal. The afternoon drops a bit to 5ft.

Sunday the 6th is where we start to see some of the best conditions early on. The morning is glassy, with 4ft of SW swell, 13-second period, and energy around 641. They're calling for very good surf. If you're heading out this week, this is the morning.

Things step up the following week. Monday the 7th sees the swell climbing to 7ft by morning from the SSW with a nice 15-second period. Energy is cooking at 1801. But the wind is a cross-on 15 mph from the south, making it lumpy. This is for the experienced crew.

The real standout window is Tuesday the 8th through Wednesday the 9th. Tuesday morning brings 10ft from the SSW with a 15-second period, clean offshores from the east, and energy ripping at 4545. This is excellent for experienced surfers. Tuesday afternoon gets even bigger at 12ft.

But Wednesday the 9th is the one. The morning is glassy – zero wind, an 12ft SSW groundswell with an 18-second period, and energy at 6587. This is exceptional for experts. The afternoon is still glassy with 10ft and a 17-second period. If you're advanced, this is the best of the entire 16-day window. This reef will love that long-period energy.

Thursday the 10th sees the swell drop to 5ft in the morning, still glassy with a 15-second period – clean and fun. By the afternoon the wind shifts, so hit the morning.

The second week fades in size. Friday the 11th has a glassy afternoon with 2ft from the SSW and a 16-second period – clean but tiny. Saturday the 12th is mostly a write-off.

We get another pulse around Tuesday the 15th. The morning shows 6ft from the SSW with glassy conditions and energy at 732, called as very good surf. The afternoon jumps to 8ft with a 12-second period and glassy wind – excellent for experienced surfers.

Wednesday the 16th brings 10ft from the SSW with a 15-second period, but the wind is light cross-on, so a bit less clean.

Thursday the 17th wraps it with 6ft from the SSW, a 14-second period, and clean offshore winds.

Final call: Wednesday, September 9th is the absolute standout. That glassy, 12ft, 18-second groundswell at Black Rocks Jetty is the session to plan for. Tuesday the 8th and Tuesday the 15th are also strong. For everyone else, Sunday the 6th and Thursday the 10th mornings offer clean, smaller waves.

Black Rocks Jetty is very consistent and exposed, so it picks up most swells. Crowds can show up sometimes, so get in early on those big days. The reef handles long-period groundswell really well, giving you proper shaped waves.

Keep it salty, Rusty.

Short Range Forecast

Some drizzle, heaviest during Wed night. Warm (max 24°C on Sat morning, min 22°C on Wed afternoon). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Mon morning, min 21°C on Sun night). Wind will be generally light.

Wed
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
1
1
1
1
3
4
3
2
3
3
2
4
2
2
3
5
6
8
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
14
0.5
SW
14
0.5
SW
13
0.6
SW
13
0.6
SW
12
0.7
SW
19
1.4
SW
17
1.7
SSW
15
1.6
SW
14
1.4
SW
14
1.3
SW
13
1.2
SW
13
1.2
SW
13
1.6
SSW
16
2.1
SSW
15
1.7
S
18
2.5
SSW
14
3
SSW
15
3.5
SSW
15
2.3
SW
19
Wave Graph
Metric surfscale
Energy kJ
73
95
85
104
122
368
1221
1222
1016
733
577
488
503
1257
1801
1789
2763
3765
4435
3793
Wind (km/h)
10
SSW
5
SSW
0
W
5
S
5
S
10
WNW
10
SW
5
ENE
10
S
10
SSW
0
SE
5
NW
5
WNW
0
NNW
15
S
20
S
25
SSE
10
E
10
SE
5
NE
Wind State
cross-on
glassy
glassy
glassy
glassy
cross-on
on
cross-off
cross-on
on
glassy
glassy
cross-on
glassy
cross-on
cross-on
cross
cross-off
cross
off
High Tide
4:10AM0.40m
4:07PM0.46m
5:46AM0.34m
5:11PM0.40m
10:26AM0.36m
8:28PM0.39m
11:05AM0.43m
10:08PM0.44m
11:37AM0.48m
11:00PM0.50m
12:06PM0.53m
11:41PM0.55m
Low Tide
10:04PM0.16m
9:47AM0.24m
11:16PM0.19m
10:26AM0.30m
1:58AM0.20m
2:58PM0.33m
3:53AM0.15m
4:28PM0.28m
4:48AM0.08m
5:11PM0.23m
5:28AM0.04m
5:45PM0.18m
part cloud
rain showers
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:24
6:24
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:09
6:09
6:09
6:09
6:10
6:10
6:10
 mm
1
Temp °C
22
22
23
23
22
23
23
22
24
23
22
23
23
22
24
23
22
21
22
20
Feels °C
23
24
25
24
24
23
24
23
25
25
24
25
24
24
22
22
21
21
22
20
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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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