Surf Forecasts:
Riviere Noire Harbour surf forecast from 27 Aug 2026:
- Best quality surf: Friday 28 Aug, 10PM (local time) - 15ft (4.5m), 16s period, SSW swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 10PM (local time) - 15ft (4.5m), 16s period, SSW swell with 10,109 kJ wave energy.
- Next surfable swell (1★+): Thursday 27 Aug, 1PM (local time) - 10ft (3.0m), 17s period with SSW 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 Thursday (Aug 27) at 1PM. The primary swell is predicted to be 3.0m and 17s period with a secondary swell of 0.6m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Riviere Noire Harbour in the next 16 days are 4.5m 16s and forecast to arrive on Friday (Aug 28) at 10PM. Winds are predicted to be cross-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 Sunday (Aug 30) at 7AM.
| Wave Type | Time (+04) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Thu 27th Aug) | 10ft (3.0m) 17s |
| Best Surf | 10PM (Fri 28th Aug) | 15ft (4.5m) 16s |
| Most Powerful | 10PM (Fri 28th Aug) | 15ft (4.5m) 16s |
Table - best surf conditions forecast for Riviere Noire Harbour over the next 16 days.
The Lowdown
G’day, I’m Rusty, and I’ve had a good look at what’s coming up for Riviere Noire Harbour. This is a sandbar setup that’s fairly exposed to swell, and it’s best with a SW direction. The water’s sitting at 77°, which is a touch warmer than normal for this time of year.
We’ve got a solid run of surf kicking off from Thursday morning, August 27th. The early call is a groundswell from the SSW at 10ft, with a very long 18-second period – that’s a heap of energy (5149). The wind is light and offshore from the SE, so it’ll be clean. This is proper stuff, but at 10ft it’s only for experienced surfers. Thursday afternoon holds similar size and period, with a gentle cross-off breeze, still clean.
Friday the 28th sees the swell bump up to 13ft from the SSW, period dropping to 16 seconds, but the energy is pumping (9038 in the morning). Friday morning has a moderate cross-off from the S, so it’s clean. Afternoon gets a strong breeze from the SSE, still cross-off, but that wind is strong. This is expert territory.
Saturday the 29th keeps the 13ft SSW swell, with a strong offshore SE wind all day. It’s clean but that wind is strong, making it a battle to get out. The energy is huge (8860 morning, 7205 afternoon). Still only for the experienced.
Sunday the 30th, the swell drops to 10ft from the S, with a fresh offshore ESE breeze. Clean, but the energy is still solid (3857 morning). The swell period is 14 seconds, still a groundswell.
Monday the 31st, size drops to 5ft, period 13 seconds, and the wind is fresh offshore from the E. Energy is down to 1150. It’s cleaner and more manageable, but the quality is marginal.
From Tuesday the 1st of September, things get small. Swell drops below 3ft, and energy fades fast (425 and below). We’ve got a run of poor to marginal surf through to Friday the 4th, with clean offshore winds but hardly any swell. Saturday the 5th shows a flicker of life – 4ft from the SW at 16 seconds, 566 energy, and offshore E winds. That’s promising, but it’s far out.
The standout is definitely Thursday morning, August 27th. That’s the pick of the whole run: 10ft of long-period SSW groundswell, light offshore breeze, clean conditions, and massive energy. It’s all about the experienced crew.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Fri morning. Warm (max 24°C on Thu morning, min 19°C on Fri night). Winds increasing (light winds from the SE on Thu morning, strong winds from the SSE by Fri afternoon). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Mon night. Warm (max 24°C on Tue morning, min 21°C on Sun morning). Mainly fresh winds. | ||||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||
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 18 | SSW 17 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | S 15 | S 15 | S 14 | S 14 | SSW 13 | SSW 13 | SSW 12 | S 12 | SE 9 | SE 9 | S 11 | S 10 | SSW 18 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4987 | 5534 | 8042 | 9038 | 7616 | 9422 | 8021 | 6173 | 4936 | 3857 | 2931 | 1230 | 762 | 511 | 276 | 230 | 176 | 81 | 31 | 30 | 73 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | cross-off | off | off | off | off | off |
High Tide | 12:49PM0.64m | 00:34AM0.70m | 1:10PM0.68m | 1:02AM0.72m | 1:32PM0.70m | 1:31AM0.72m | 1:56PM0.71m | 2:01AM0.69m | 2:22PM0.70m | 2:34AM0.64m | 2:49PM0.67m | 3:09AM0.58m | 3:19PM0.63m | 3:52AM0.50m | |||||||
Low Tide | 6:38PM0.16m | 6:58AM0.03m | 7:04PM0.13m | 7:22AM0.03m | 7:32PM0.11m | 7:46AM0.05m | 8:02PM0.10m | 8:12AM0.08m | 8:33PM0.11m | 8:38AM0.12m | 9:09PM0.13m | 9:05AM0.18m | 9:51PM0.17m | ||||||||
 | |  |  |  | | | |  | | | | | |  | | | | | | | |
 | 6:24 | — | — | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — |
 | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — |
mm | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | 3 |
Temp °C | 24 | 24 | 22 | 23 | 21 | 20 | 21 | 21 | 20 | 22 | 22 | 22 | 23 | 22 | 22 | 24 | 24 | 22 | 25 | 24 | 22 |
Feels °C | 23 | 23 | 21 | 21 | 14 | 13 | 14 | 14 | 14 | 16 | 16 | 17 | 18 | 17 | 18 | 20 | 21 | 20 | 22 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 17 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | S 15 | S 15 | S 14 | S 14 | SSW 13 | SSW 13 | SE 9 | S 12 | SE 9 | SE 9 | S 11 | S 10 | NNE 7 | NNE 6 |
| kJ | 4987 | 5534 | 8042 | 9038 | 7616 | 9422 | 8021 | 6173 | 4936 | 3857 | 2931 | 1230 | 762 | 294 | 276 | 230 | 176 | 81 | 31 | 17 | 12 |
Swell 2 Height (m) Direction Period (s) | S 10 | SSE 11 | SE 10 | E 9 | E 8 | ENE 8 | — | — | — | — | — | — | — | SSW 12 | SW 12 | S 11 | S 11 | NE 7 | NNE 7 | S 10 | SW 14 |
| kJ | 80 | 66 | 26 | 122 | 51 | 54 | — | — | — | — | — | — | — | 511 | 71 | 195 | 116 | 12 | 17 | 17 | 73 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | SSE 10 | — | — | — | — | — | — | — | — | — | — | — | NNE 7 | NNE 7 | NNE 6 | SW 14 | SW 14 | SSW 18 | SSW 16 |
| kJ | 82 | 83 | 34 | — | — | — | — | — | — | — | — | — | — | — | 17 | 18 | 17 | 30 | 7 | 30 | 50 |
Wind waves Height (m) Direction Period (s) | — | — | — | E 9 | S 8 | SE 7 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 9 | SE 9 | SE 9 | ESE 9 | SE 9 | ESE 9 | E 9 | SE 9 | ESE 10 | ESE 10 | ESE 10 |
| kJ | — | — | — | 94 | 766 | 522 | 839 | 1032 | 1078 | 1206 | 1283 | 418 | 388 | 1119 | 266 | 1019 | 944 | 174 | 231 | 164 | 171 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 5 | 230 | 224 | 224 | 224 | 224 | 224 | 224 | 224 | 196 | 224 | 196 | 224 | 224 | 0 | 232 | 224 | 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.
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