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Asu surfForecast / Nias / Indonesia
12 Day Weather and Surf, issued 12 pm Sunday 13 Jul 2025 WIB
Best Forecast Surf Conditions for Asu this week:
The surf forecast for Asu over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 14) at 10AM. The primary swell is predicted to be 1.0m and 16s period with a secondary swell of 1.5m and 8s. Another secondary swell of 1.7m and 8s is also forecast. The wind is predicted to be onshore as the swell arrives.
The most powerful waves expected at Asu in the next 12 days are 1.6m 19s and forecast to arrive on Saturday (Jul 19) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Mon 14th Jul) | 3.5ft (1.0m) 16s |
| Best Surf | 1PM (Tue 15th Jul) | 4.5ft (1.4m) 14s |
| Most Powerful | 4PM (Sat 19th Jul) | 5ft (1.6m) 19s |
Table - best surf conditions forecast for Asu over the next 12 days.
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 17 | 16 | 16 | 16 | 15 | 9 | 14 | 14 | 13 | 12 | 12 | 12 | 11 | 17 | 16 | 18 | 18 | 17 | 16 | 19 | 17 | 15 | 16 | 17 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 16 | 11 | 12 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 1110 | 1166 | 1098 | 1215 | 912 | 710 | 988 | 953 | 1067 | 1106 | 964 | 991 | 1045 | 1038 | 908 | 1961 | 2123 | 2044 | 1514 | 2403 | 1734 | 1377 | 1417 | 1451 | 1170 | 1032 | 881 | 867 | 686 | 456 | 484 | 453 | 526 | 505 | 743 | 628 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | on | on | cross | off | cross- on | on | cross- on | on | glass | off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | on | cross- on | glass | glass | glass | glass | on | on | cross- on | on | cross- on |
High Tide / height (m) | 7:58PM 0.51 | 8:06AM 0.81 | 8:38PM 0.55 | 8:41AM 0.78 | 9:21PM 0.58 | 9:18AM 0.72 | 10:08PM 0.60 | 9:58AM 0.65 | 11:02PM 0.62 | 10:45AM 0.56 | 12:05AM 0.63 | 11:45AM 0.46 | 1:18AM 0.65 | 1:10PM 0.39 | 2:34AM 0.68 | 2:49PM 0.35 | 3:44AM 0.72 | 4:11PM 0.36 | 4:43AM 0.77 | 5:12PM 0.40 | 5:33AM 0.81 | 6:00PM 0.44 | ||||||||||||||
Low Tide / height (m) | 2:11PM 0.06 | 1:26AM 0.09 | 2:42PM 0.06 | 2:08AM 0.12 | 3:14PM 0.06 | 2:54AM 0.16 | 3:47PM 0.08 | 3:48AM 0.20 | 4:24PM 0.09 | 4:53AM 0.25 | 5:05PM 0.11 | 6:22AM 0.27 | 5:56PM 0.12 | 8:17AM 0.25 | 7:01PM 0.14 | 9:57AM 0.20 | 8:19PM 0.13 | 11:03AM 0.13 | 9:32PM 0.11 | 11:51AM 0.08 | 10:34PM 0.08 | 12:32PM 0.05 | 11:26PM 0.06 | |||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||||||||||
| Sunrise | 6:31 | - | - | 6:31 | - | - | 6:31 | - | - | 6:31 | - | - | 6:31 | - | - | 6:31 | - | - | 6:31 | - | - | 6:31 | - | - | 6:31 | - | - | 6:31 | - | - | 6:31 | - | - | 6:31 | - | - |
| Sunset | - | 6:40 | - | - | 6:40 | - | - | 6:40 | - | - | 6:42 | - | - | 6:42 | - | - | 6:42 | - | - | 6:42 | - | - | 6:42 | - | - | 6:42 | - | - | 6:42 | - | - | 6:42 | - | - | 6:42 | - |
 |  |  | | | |  |  |  |  |  | | | |  | | | | | | | | | | | | |  | | | | | | | |  | |
Rain (mm) | 7 | 9 | 9 | 8 | 13 | 48 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | - | - | - | 1 | - | - | - | - | - | - | - | 6 |
| Temp. °C | 26 | 26 | 27 | 27 | 25 | 24 | 25 | 26 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Feels °C (?) | 27 | 26 | 26 | 28 | 24 | 25 | 28 | 26 | 27 | 31 | 31 | 32 | 31 | 30 | 31 | 31 | 31 | 31 | 30 | 30 | 31 | 30 | 31 | 31 | 32 | 31 | 29 | 32 | 32 | 32 | 32 | 30 | 31 | 30 | 29 | 31 |
Short Range Forecast: Heavy rain (total 97mm), heaviest during Mon night. Warm (max 27°C on Sun night, min 24°C on Mon night). Mainly fresh winds. | Days 3-6 Weather Summary Mostly dry. Warm (max 28°C on Wed morning, min 27°C on Wed night). Wind will be generally light. | Days 6-9 Weather Summary Light rain (total 3mm), mostly falling on Sun afternoon. Warm (max 28°C on Sat morning, min 27°C on Mon night). Wind will be generally light. | Long Range Forecast: Light rain (total 8mm), mostly falling on Thu night. Warm (max 28°C on Tue afternoon, min 27°C on Tue morning). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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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 Asu 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 Asu Surf forecast
The above surf forecast table for Asu provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Asu can be found by selecting the local surf guide option on the grey menu. Our Asu 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 (Asu) 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 Asu 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 Nias? If you are looking for accommodation near Asu, camping, hotels and holiday cottages in Nias, consider staying in Afia which is 60 km (37 miles) away.
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