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Karang Nyimbor Surf Forecast
/ Sumatra – Mainland (12 surf breaks) /
Surf Forecasts:
Karang Nyimbor surfForecast / Sumatra – Mainland / Indonesia
12 Day Weather and Surf, issued 12 am Thursday 21 Aug 2025 WIB
Best Forecast Surf Conditions for Karang Nyimbor this week:
The surf forecast for Karang Nyimbor over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 21) at 4AM. The primary swell is predicted to be 1.7m and 15s period with a secondary swell of 0.2m and 12s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Karang Nyimbor in the next 12 days are 3.0m 13s and forecast to arrive on Wednesday (Aug 27) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Thu 21st Aug) | 5.5ft (1.7m) 15s |
| Best Surf | 4AM (Sat 23rd Aug) | 7ft (2.1m) 15s |
| Most Powerful | 7PM (Wed 27th Aug) | 10ft (3.0m) 13s |
Table - best surf conditions forecast for Karang Nyimbor over the next 12 days.
Short Range Forecast Moderate rain (total 17mm), heaviest on Thu night. Warm (max 28°C on Thu morning, min 24°C on Wed night). Wind will be generally light. | Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Sat night. Warm (max 28°C on Sun morning, min 24°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wed 27 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 16 | 15 | 15 | 15 | 16 | 15 | 15 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 16 | 14 | 14 | 13 | |
Wave (?)Graph  | ||||||||||||||||||||||
| Energy (?) | 1325 | 1232 | 1535 | 1870 | 2487 | 2381 | 2894 | 2893 | 2523 | 2098 | 1617 | 1372 | 1157 | 1200 | 1396 | 1641 | 1522 | 2288 | 1694 | 2208 | 4679 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | cross- on | glass | cross | cross- on | cross- off | cross- on | cross- on | cross- off | cross- on | cross- on | off | cross- on | on | cross- off | cross | cross | cross- off | cross | cross | |
High Tide / height (m) | 5:00AM 1.07 | 6:10PM 0.64 | 5:57AM 1.11 | 6:51PM 0.75 | 6:43AM 1.13 | 7:27PM 0.85 | 7:23AM 1.13 | 7:59PM 0.94 | 7:59AM 1.10 | 8:30PM 1.01 | 8:33AM 1.04 | 9:00PM 1.05 | 9:04AM 0.97 | |||||||||
Low Tide / height (m) | 12:23PM 0.15 | 11:19PM 0.33 | 12:59PM 0.11 | 12:18AM 0.27 | 1:29PM 0.09 | 1:06AM 0.23 | 1:56PM 0.09 | 1:48AM 0.20 | 2:20PM 0.09 | 2:27AM 0.19 | 2:43PM 0.11 | 3:04AM 0.19 | 3:04PM 0.13 | |||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wed 27 | ||||||||||||||||
| Sunrise | - | 6:07 | - | - | 6:07 | - | - | 6:07 | - | - | 6:07 | - | - | 6:07 | - | - | 6:05 | - | - | 6:05 | - | |
| Sunset | - | - | 6:06 | - | - | 6:05 | - | - | 6:05 | - | - | 6:05 | - | - | 6:05 | - | - | 6:05 | - | - | 6:05 | |
 |  | |  |  | |  | |  | | | | | | | | | | | | | ||
Rain (mm) | - | - | - | 13 | - | - | 1 | - | 3 | 2 | - | 1 | - | 1 | 1 | 3 | 1 | 2 | - | - | - | |
| Temp. °C | 25 | 28 | 28 | 26 | 28 | 27 | 26 | 28 | 27 | 25 | 28 | 27 | 25 | 27 | 27 | 25 | 28 | 28 | 25 | 28 | 28 | |
| Feels °C (?) | 29 | 31 | 31 | 30 | 29 | 28 | 29 | 30 | 29 | 28 | 30 | 29 | 28 | 30 | 30 | 29 | 30 | 30 | 27 | 29 | 28 | |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Sumatra - Mainland
Cross-off wind has turned cross-on at Karang Nyimbor (light winds from the WNW at Palembang/Sultan Mahmud Badaruddin II Airport 279 km from Karang Nyimbor). 1.2m 15s groundswell from the SSW with a 0.6m 12s groundswell, also from the SSW. 2 swells combining to make bigger set waves.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Karang Nyimbor 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 Karang Nyimbor Surf forecast
The above surf forecast table for Karang Nyimbor provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Karang Nyimbor can be found by selecting the local surf guide option on the grey menu. Our Karang Nyimbor 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 (Karang Nyimbor) 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 Karang Nyimbor 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.
Karang Nyimbor is 113 km (70 miles) from the city of Kotabumi. If you plan a holiday in Indonesia - Sumatra - Mainland, look for hotels and other accommodation in Kotabumi. Kotabumi has rooms for a wide range of budgets as well as car hire and transport links.
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