Surf Forecasts:
Riviere Noire Harbour surf forecast from 21 Aug 2026:
- Best quality surf: Saturday 22 Aug, 10PM (local time) - 5ft (1.6m), 13s period, SW swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 10AM (local time) - 13ft (4.0m), 16s period, SSW swell with 9,324 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 10PM (local time) - 4.5ft (1.3m), 14s 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 Friday (Aug 21) at 10PM. The primary swell is predicted to be 1.3m and 14s period. 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 4.0m 16s and forecast to arrive on Friday (Aug 28) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 8s period and expected on Friday (Aug 21) at 1PM.
| Wave Type | Time (+04) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Fri 21st Aug) | 4.5ft (1.3m) 14s |
| Best Surf | 10PM (Sat 22nd Aug) | 5ft (1.6m) 13s |
| Most Powerful | 10AM (Fri 28th Aug) | 13ft (4.0m) 16s |
Table - best surf conditions forecast for Riviere Noire Harbour over the next 16 days.
The Lowdown
Alright mate, Rusty here with a look at what's coming up for Riviere Noire Harbour. This is a sandbar setup, fairly consistent, with an optimum swell from the southwest. The water's sitting at a touch warmer than normal for this time of year at about 76°, which is a nice little bonus.
We've got a bit of a slow start, with Friday 21st offering up modest 4ft swell from the SW, but it's a bit marginal and the 12 mph easterly cross-off won't help much. The combined energy is moderate (451), but it's not the one to get excited about.
Saturday 22nd is where things start to look up. The morning sees the swell building to 5ft from the SW, with a nice 14-second period, and that easterly cross-off drops to just 6 mph. The energy jumps to 967, and the afternoon cleans up even more with a 6ft SSW swell and barely a breath of wind from the SSE at 3 mph. That's proper clean surf coming in.
Sunday 23rd is a standout. We're looking at a solid 8ft SSW groundswell with a 14-second interval, and the wind turns offshore from the east at 6 mph in the morning. The energy is very strong at 2412. This is excellent for experienced surfers, but at that size it's getting into expert territory, so beginners should sit this one out.
Monday 24th is right up there with Sunday. The morning offers 8ft of SSW swell at 15 seconds, with a light easterly cross-off. The energy is huge at 2745. The afternoon turns offshore from the ESE at just 3 mph. This is as good as it gets for the week, with glassy, clean conditions and a powerful groundswell. Perfect for the sandbar setup.
The swell eases a bit Tuesday 25th and Wednesday 26th, hanging around 5ft to 6ft with lighter winds, still very good and clean, but not the main event.
Now, hold onto your board for Thursday 27th. The morning brings back the power with 8ft SSW swell at 15 seconds and a big 2954 energy reading. By the afternoon it's 8ft at 17 seconds, with 4214 energy. But it's a cross-off from the SSE at 12 mph, so it might be a bit lumpy.
Friday 28th and Saturday 29th are for the brave. We're looking at 13ft to 16ft swell with huge energy readings over 10,000 – that's well over 8ft, so it's strictly for experts only. The wind stays strong offshore, but the size is simply too big for this break.
We then get a drop back through the end of August and into September, with the swell settling into the 3ft to 5ft range. The winds stay offshore from the east, keeping things clean. The highlight in this second week looks like Saturday 5th September, with a 4ft SW swell packing an 18-second period and 1245 energy, with a gentle offshore breeze. Very promising, though further out so a bit less certain.
Overall, the best on offer is definitely the Sunday 23rd and Monday 24th run. Unreal conditions.
Rusty, signing off.
Short Range ForecastMostly dry. Warm (max 25°C on Fri morning, min 20°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Wed morning, min 21°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
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) | SW 14 | SSW 14 | SW 14 | SW 14 | SSW 14 | SW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SW 12 | SW 12 | SW 11 | SSW 16 | SSW 15 | SSW 17 | SSW 18 |
Wave Graph  | |||||||||||||||||||||
 kJ | 410 | 796 | 763 | 934 | 1005 | 1144 | 2412 | 2250 | 1886 | 2634 | 2129 | 1623 | 1100 | 1028 | 657 | 542 | 453 | 2359 | 2650 | 4144 | 5927 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off |
High Tide | 4:47PM0.43m | 12:16PM0.42m | 10:00PM0.45m | 11:58AM0.46m | 10:44PM0.50m | 12:02PM0.50m | 11:14PM0.56m | 12:13PM0.55m | 11:41PM0.62m | 12:30PM0.60m | 00:07AM0.67m | 12:49PM0.64m | 00:34AM0.70m | ||||||||
Low Tide | 4:32AM0.26m | 4:31PM0.38m | 5:00AM0.20m | 4:59PM0.33m | 5:24AM0.15m | 5:23PM0.28m | 5:47AM0.10m | 5:47PM0.23m | 6:11AM0.06m | 6:12PM0.19m | 6:34AM0.04m | 6:38PM0.16m | |||||||||
 |  |  | | | | | | | | | | | | | | | | | |  | |
 | 6:28 | — | — | 6:28 | — | — | 6:26 | — | — | 6:26 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — |
 | — | 5:59 | — | — | 5:59 | — | — | 5:59 | — | — | 5:59 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 25 | 24 | 22 | 24 | 24 | 22 | 24 | 24 | 22 | 24 | 24 | 22 | 24 | 23 | 23 | 25 | 24 | 22 | 24 | 24 | 22 |
Feels °C | 24 | 22 | 22 | 24 | 24 | 23 | 24 | 24 | 22 | 25 | 25 | 22 | 25 | 24 | 23 | 25 | 24 | 23 | 22 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SSW 14 | SW 14 | SW 14 | SSW 14 | SW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SW 12 | SW 12 | SW 11 | SSW 16 | SSW 15 | SSW 17 | SSW 18 |
| kJ | 410 | 796 | 763 | 934 | 1005 | 1144 | 2412 | 2250 | 1886 | 2634 | 2129 | 1623 | 1100 | 1028 | 657 | 542 | 453 | 2359 | 2650 | 4144 | 5927 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 18 | S 16 | S 15 | E 8 | SSW 16 | E 8 | E 8 | E 8 | SW 13 | S 17 | S 16 | S 15 | E 7 | S 12 | S 11 | S 11 | S 10 | SSW 20 | SSE 10 | E 8 |
| kJ | 41 | 25 | 20 | 17 | 61 | 667 | 57 | 42 | 42 | 111 | 283 | 190 | 109 | 27 | 225 | 198 | 152 | 77 | 304 | 34 | 29 |
Swell 3 Height (m) Direction Period (s) | NNE 10 | — | S 16 | S 14 | — | E 8 | — | S 11 | — | E 7 | E 8 | E 8 | S 14 | — | — | SW 19 | SSW 17 | E 8 | E 8 | SSE 10 | SSE 10 |
| kJ | 9 | — | 45 | 16 | — | 58 | — | 10 | — | 28 | 33 | 45 | 103 | — | — | 57 | 386 | 41 | 48 | 36 | 9 |
Wind waves Height (m) Direction Period (s) | ESE 4 | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | E 7 | E 7 | — | — | — | — | SSE 4 |
| kJ | 7 | 157 | — | — | — | — | — | — | — | — | — | — | — | — | 37 | 40 | — | — | — | — | 29 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 13 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 |
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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