Surf Forecasts:
Rags Right surf forecast from 16 Aug 2026:
- Best quality surf: Tuesday 18 Aug, 7PM (local time) - 8ft (2.5m), 19s period, SSW swell with cross-offshore winds.
- Most powerful swell: Wednesday 19 Aug, 4PM (local time) - 10ft (3.0m), 17s period, SSW swell with 5,491 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 4AM (local time) - 4.5ft (1.4m), 14s period with SSW swell.
Best Forecast Surf Conditions for Rags Right this week:
The surf forecast for Rags Right over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 4AM. The primary swell is predicted to be 1.4m and 14s period with a secondary swell of 0.3m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Rags Right in the next 16 days are 3.0m 17s and forecast to arrive on Wednesday (Aug 19) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Thursday (Aug 20) at 10PM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Mon 17th Aug) | 4.5ft (1.4m) 14s |
| Best Surf | 7PM (Tue 18th Aug) | 8ft (2.5m) 19s |
| Most Powerful | 4PM (Wed 19th Aug) | 10ft (3.0m) 17s |
Table - best surf conditions forecast for Rags Right over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 28°C on Mon morning, min 26°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Thu morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
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 14 | SSW 18 | SSW 19 | SSW 16 | SSW 19 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 18 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 724 | 680 | 1038 | 1581 | 1811 | 4941 | 5191 | 5491 | 5058 | 4036 | 3378 | 2454 | 1648 | 1721 | 3062 | 2627 | 2140 | 1517 | 1325 | 979 | 1207 |
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 | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:43AM0.82m | 9:20PM0.89m | 9:15AM0.71m | 9:58PM0.86m | 9:45AM0.60m | 10:39PM0.80m | 10:13AM0.51m | 11:30PM0.74m | 10:46AM0.42m | 00:41AM0.70m | 12:37PM0.36m | 2:12AM0.70m | 3:18PM0.37m | 3:27AM0.74m | |||||||
Low Tide | 2:46PM0.06m | 3:24AM0.20m | 3:11PM0.09m | 4:08AM0.25m | 3:37PM0.13m | 4:59AM0.31m | 4:04PM0.18m | 6:14AM0.35m | 4:37PM0.23m | 9:27AM0.35m | 5:30PM0.27m | 10:45AM0.29m | 7:16PM0.31m | ||||||||
 | |  | |  | |  | | | | | | | |  | | |  | | | | |
 | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — |
 | — | 6:23 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 |
Temp °C | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 27 | 27 | 28 | 28 | 26 | 28 | 28 | 27 | 28 | 28 | 27 |
Feels °C | 30 | 30 | 29 | 29 | 29 | 29 | 30 | 30 | 28 | 30 | 29 | 29 | 30 | 30 | 28 | 28 | 29 | 29 | 28 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 18 | SSW 16 | SSW 16 | SSW 19 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 724 | 646 | 1038 | 1358 | 1811 | 4941 | 5191 | 5491 | 5058 | 4036 | 3378 | 2454 | 1648 | 1721 | 3062 | 2627 | 2140 | 1517 | 1325 | 979 | 1207 |
Swell 2 Height (m) Direction Period (s) | SSW 19 | SSW 19 | SSW 13 | SSW 19 | SSW 19 | W 8 | W 10 | WNW 10 | W 10 | WNW 10 | WNW 10 | S 21 | SSW 19 | SSW 18 | WNW 10 | WNW 10 | WNW 9 | S 18 | SSW 21 | SSW 19 | SSW 18 |
| kJ | 148 | 283 | 539 | 1581 | 1719 | 34 | 17 | 10 | 19 | 20 | 21 | 225 | 1234 | 1480 | 21 | 18 | 16 | 162 | 147 | 664 | 983 |
Swell 3 Height (m) Direction Period (s) | WNW 9 | SW 24 | SSW 22 | WNW 8 | W 22 | W 22 | — | — | — | — | W 18 | WNW 10 | WNW 10 | WNW 11 | W 16 | W 16 | W 15 | WNW 8 | WNW 9 | SSW 16 | WNW 8 |
| kJ | 16 | 141 | 807 | 14 | 9 | 9 | — | — | — | — | 24 | 22 | 22 | 22 | 5 | 5 | 5 | 13 | 15 | 86 | 13 |
Wind waves Height (m) Direction Period (s) | — | S 13 | — | SSE 6 | S 9 | — | WSW 9 | SW 8 | SW 8 | SW 8 | W 10 | SSE 5 | SSE 5 | — | — | — | SSE 6 | — | SSE 7 | SSE 6 | SSE 8 |
| kJ | — | 680 | — | 25 | 99 | — | 46 | 31 | 20 | 20 | 54 | 24 | 18 | — | — | — | 28 | — | 76 | 29 | 117 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 59 | 165 | 59 | 165 | 59 | 0 | 6 | 165 | 230 | 59 | 0 | 0 | 29 | 59 | 0 | 165 | 59 | 165 | 165 | 59 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rags Right surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Rags Right Surf forecast
The above surf forecast table for Rags Right provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rags Right can be found by selecting the local surf guide option on the grey menu. Our Rags Right 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 (Rags Right) 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 Rags Right 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.
Are you planning a holiday in Mentawi Islands? If you are looking for accommodation near Rags Right, camping, hotels and holiday cottages in Mentawi Islands, consider staying in Sungaipenuh which is 173 km (107 miles) away.
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