
Surf Forecasts:
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 Type | Time (+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 ForecastSome 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 SummaryMostly 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 | |
Swell Height Map | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | SSW 14 | SSW 16 | S 15 | SSW 17 | SSW 17 | S 16 | S 15 | SW 14 | SSE 13 | SSE 12 | SSE 12 | SSW 16 | SSW 15 | SSW 14 | S 13 | SSW 18 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 |
Wave Graph | |||||||||||||||||||||
1831 | 4128 | 8390 | 12348 | 9983 | 5688 | 4201 | 1203 | 1363 | 692 | 725 | 797 | 1292 | 953 | 799 | 1874 | 1816 | 1825 | 1210 | 902 | 630 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | ||||||||
6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — | |
— | 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 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 16 | S 15 | SSW 17 | SSW 17 | S 16 | S 15 | SW 14 | SW 14 | SSE 12 | SW 13 | S 12 | SSW 15 | SSW 14 | S 13 | SSW 18 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 |
1831 | 4128 | 8390 | 12348 | 9983 | 5688 | 4201 | 1203 | 731 | 692 | 249 | 480 | 1292 | 953 | 799 | 1874 | 1816 | 1825 | 1210 | 902 | 630 | |
Swell 2 Height (m) Direction Period (s) | SW 24 | SW 22 | SW 20 | — | — | — | S 16 | S 14 | S 13 | SW 14 | S 18 | SSW 16 | E 8 | E 8 | SSW 20 | S 12 | S 12 | — | — | SW 22 | SSW 19 |
1420 | 2873 | 4153 | — | — | — | 127 | 1142 | 653 | 422 | 311 | 797 | 20 | 20 | 603 | 603 | 488 | — | — | 18 | 332 | |
Swell 3 Height (m) Direction Period (s) | SE 15 | — | — | — | — | — | — | — | — | S 19 | S 18 | SW 13 | — | SSW 22 | SSW 20 | SW 13 | — | — | — | SSW 22 | — |
9 | — | — | — | — | — | — | — | — | 110 | 399 | 136 | — | 46 | 603 | 106 | — | — | — | 46 | — | |
Wind waves Height (m) Direction Period (s) | SSE 6 | SSE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSE 13 | ESE 9 | SSE 12 | E 9 | — | — | E 8 | E 8 | E 8 | E 8 | SE 4 | SE 4 | SE 4 |
172 | 746 | 778 | 1089 | 1294 | 1274 | 1356 | 307 | 1363 | 86 | 725 | 452 | — | — | 190 | 149 | 131 | 157 | 18 | 14 | 27 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 224 | 224 | 224 | 224 | 224 | 224 | 224 | 224 | 224 | 196 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 196 | 0 |
Best forecast wave conditions in Mauritius | |||||||||||||||||||||
Best forecast wave conditions in Mauritius | |||||||||||||||||||||
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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.










