Riviere Noire Harbour Surf Break

Lat Long: 20.37° S 57.35° E

Riviere Noire Harbour Surf Forecast and Surf Report

Issued: 9 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Riviere Noire Harbour sea temperature is
24.4°C
1.3° 

Riviere Noire Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Riviere Noire Harbour surf forecast from 8 Sep 2026:

  • Best quality surf: Tuesday 8 Sep, 7PM (local time) - 16ft (5.0m), 15s period, S swell with offshore winds.
  • Most powerful swell: Wednesday 9 Sep, 4AM (local time) - 16ft (5.0m), 19s period, SSW swell with 17,203 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 8 Sep, 7PM (local time) - 16ft (5.0m), 15s period with S swell.

Best Forecast Surf Conditions for Riviere Noire Harbour this week:

The surf forecast for Riviere Noire Harbour over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 08) at 7PM. The primary swell is predicted to be 5.0m and 15s period with a secondary swell of 4.5m and 15s. Another secondary swell of 1.9m and 21s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Riviere Noire Harbour in the next 16 days are 5.0m 19s and forecast to arrive on Wednesday (Sep 09) at 4AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Wednesday (Sep 09) at 10AM.

Wave TypeTime (+04) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Tue 8th Sep)16ft (5.0m) 15s
Best Surf 7PM (Tue 8th Sep)16ft (5.0m) 15s
Most Powerful 4AM (Wed 9th Sep)16ft (5.0m) 19s

Table - best surf conditions forecast for Riviere Noire Harbour over the next 16 days.


The Lowdown

Alright, Rusty here. Let's have a look at what's cookin' for Riviere Noire Harbour.

Alright crew, the big picture for Riviere Noire Harbour is pretty intense for the first half of this forecast, then it settles into a cleaner, more manageable groove for the last week. We've got a massive pulse of SSW groundswell on the way, with water temps sitting at 76°F which is a touch warmer than what you'd normally expect this time of year – nice for a long session.

The real standout here is Wednesday, September 9th. We're looking at a solid 15ft SSW groundswell rolling in with a 17-second period, packing some serious grunt. The combined wave energy is a hefty 12348. Those offshore winds from the ESE at 25 mph are gonna groom it, making for some spectacular, grinding walls. Now, a word of caution: this is big, powerful surf. Over 8ft, this is strictly for the experts. It's a sandbar setup, and with that kind of long-period groundswell, it could be a bit straight at times, so pick your peak wisely. The crowd potential is there, so expect some competition for the big ones. The morning of the 9th is the absolute peak.

Before that, Tuesday the 8th is a bit of a warm-up. The afternoon looks cleaner with a 10ft SSW swell, period of 16 seconds, and a solid 7747 energy reading, but the model flags it as hard to paddle into given the strength of the offshore wind.

After that big peak, the swell backs down. Thursday the 10th still has a clean 10ft in the morning from the S, but the energy is dropping. By the weekend of the 13th and 14th, we're looking at cleaner, more manageable 5ft to 6ft groundswell with those offshore ESE breezes making for some really fun conditions. This is where the intermediate crew can get amongst it.

Moving into the second week, things are more promising for an average surfer. Sunday, September 20th, stands out as another fantastic session. We've got a 4ft SW groundswell with a 16-second period, the energy is 1378, and the wind is light and offshore from the ESE at just 6 mph. That's glassy conditions, clean lines, and manageable size – perfect for a long, soulful session. The following morning, Monday the 21st, is also looking excellent with a bit more push at 5ft and a 17-second period, still clean. The crowd factor on these smaller, cleaner days is likely to be a problem, so get out there early. The sandbar should be working nicely with that long-period groundswell.

Overall, a week of monster surf for the big dogs, followed by a week of clean, quality groundswell for everyone else. Get on it.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Tue morning. Warm (max 22°C on Tue morning, min 20°C on Tue night). Mainly strong winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 24°C on Sat morning, min 20°C on Fri night). Wind will be generally light.

Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
4
!
!
6
4
3
3
3
2
4
4
3
3
4
4
4
4
3
1
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.2
SSW
14
3
SSW
16
4.5
S
15
4.5
SSW
17
4
SSW
17
3.5
S
16
3
S
15
1.7
SW
14
2
SSE
13
1.6
SSE
12
1.6
SSE
12
1.2
SSW
16
1.7
SSW
15
1.6
SSW
14
1.5
S
13
1.7
SSW
18
1.9
SSW
16
2.1
SSW
15
1.7
SSW
14
1.6
SSW
13
1.4
SSW
13
Wave Graph
Metric surfscale
Energy kJ
1831
4128
8390
12348
9983
5688
4201
1203
1363
692
725
797
1292
953
799
1874
1816
1825
1210
902
630
Wind (km/h)
35
SE
40
SE
30
SE
40
ESE
35
ESE
35
ESE
35
ESE
35
ESE
30
ESE
25
ESE
25
ESE
15
ESE
15
E
10
ESE
10
E
10
ESE
15
ESE
15
ESE
20
ESE
30
SE
20
SE
Wind State
cross-off
off
off
off
off
off
off
off
off
off
off
off
cross-off
off
off
off
off
off
off
cross-off
off
High Tide
11:52AM0.62m
11:29PM0.67m
12:19PM0.66m
00:05AM0.71m
12:45PM0.70m
00:38AM0.73m
1:08PM0.71m
1:08AM0.72m
1:30PM0.71m
1:37AM0.69m
1:49PM0.70m
2:03AM0.64m
2:07PM0.67m
2:27AM0.59m
Low Tide
5:32PM0.21m
5:54AM0.02m
6:05PM0.16m
6:25AM0.01m
6:36PM0.12m
6:54AM0.02m
7:06PM0.10m
7:20AM0.05m
7:35PM0.09m
7:44AM0.09m
8:02PM0.09m
8:05AM0.14m
8:29PM0.11m
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:11
6:11
6:11
6:09
6:09
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:02
6:02
6:04
6:04
6:04
6:04
 mm
1
Temp °C
22
21
21
22
21
20
22
22
21
22
22
21
24
23
21
23
23
21
23
23
21
Feels °C
17
15
16
16
15
15
16
17
17
18
18
19
22
22
20
23
22
20
21
19
18
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Riviere Noire Harbour Surf forecast

The above surf forecast table for Riviere Noire Harbour provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Riviere Noire Harbour can be found by selecting the local surf guide option on the grey menu. Our Riviere Noire Harbour 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 (Riviere Noire Harbour) 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 Riviere Noire Harbour 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.

Riviere Noire Harbour is 15 km (9 miles) from the city of Vacoas. If you plan a holiday in Mauritius, look for hotels and other accommodation in Vacoas. Vacoas has rooms for a wide range of budgets as well as car hire and transport links.

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