Telescopes Surf Break

Lat Long: 2.05° S 99.55° E

Telescopes Surf Forecast and Surf Report

Issued: 12 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Telescopes sea temperature is
29.4° C
0.5° 

Telescopes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Telescopes surf forecast from 20 Aug 2026:

  • Best quality surf: Thursday 20 Aug, 10AM (local time) - 8ft (2.4m), 16s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Thursday 20 Aug, 10AM (local time) - 8ft (2.4m), 16s period, SSW swell with 3,005 kJ wave energy.
  • Next surfable swell (1★+): Thursday 20 Aug, 10AM (local time) - 8ft (2.4m), 16s period with SSW swell.

Best Forecast Surf Conditions for Telescopes this week:

The surf forecast for Telescopes over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 10AM. The primary swell is predicted to be 2.4m and 16s period with a secondary swell of 0.4m and 10s. Another secondary swell of 0.4m and 10s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Telescopes in the next 16 days are 2.4m 16s and forecast to arrive on Thursday (Aug 20) 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 5s period and expected on Monday (Aug 24) at 10AM.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+)10AM (Thu 20th Aug)8ft (2.4m) 16s
Best Surf10AM (Thu 20th Aug)8ft (2.4m) 16s
Most Powerful10AM (Thu 20th Aug)8ft (2.4m) 16s

Table - best surf conditions forecast for Telescopes over the next 16 days.


The Lowdown

G'day, I'm Rusty, and here's how the surf's shaping up.

We've got a solid, long-running swell train from the south-southwest, and it's pointing straight at Telescopes. This is a consistent, advanced reef break that's exposed to the swell, so it's gonna be handling all this energy. The water temp is sitting about average for the season.

The real standout is the morning of Thursday, August 31st. We're looking at a clean 8ft SSW groundswell with a very long 18-second period, glassy conditions, and a massive 3674 combined energy. That's a serious day for experienced surfers only. The morning of August 20th is also a top pick, with a 8ft SSW swell, 16-second period, and 3063 energy under cross-offshore winds. It's all clean, but the swell is big and powerful.

The pattern is a drawn-out run of solid, consistent SSW groundswell. The first week, from August 20th through the 25th, we have waves every day, mostly in the 6ft to 8ft range with long periods of 14 to 16 seconds. The winds are a mix of cross-offshore and cross, keeping things reasonably clean but often a bit chunky. The combined energy is strong, sitting between 1000 and 3000 for most of that time.

After the 25th, the swell drops a little, with more days in the 3ft to 6ft range, but the energy stays moderate to strong. The wind stays mostly cross-offshore or light cross, which is a positive. The 31st of August is the absolute peak, but the morning of the 28th of August is worth a mention too, with a clean 5ft SSW swell and 1296 energy. The morning of the 30th of August also has a very long 22-second period and glassy conditions, but the swell is smaller at 3ft. The 1st of September morning has a clean 7ft SSW swell with 2427 energy.

The second week, into early September, the swell fades a bit but still has some clean windows. The 3rd of September morning has a small 4ft SW swell, but with clean conditions. The 4th of September morning is the last we see, with a 3ft SSW swell.

The only real bummer is the afternoon of the 25th, where swing cross-shore winds and a drop in energy make it a write-off, and the 26th is pretty weak with low energy. Crowds are sometimes a factor at Telescopes, so keep that in mind.

Rusty.

Short Range Forecast

Moderate rain (total 14mm), heaviest on Wed night. Warm (max 28°C on Thu morning, min 27°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 56mm), heaviest during Sun night. Warm (max 28°C on Mon afternoon, min 26°C on Sat night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
5
3
4
3
3
4
3
3
4
3
3
4
3
3
2
3
1
1
1
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
SSW
16
2.3
SSW
16
2.2
SSW
16
1.9
SSW
15
1.7
SSW
15
2.2
SSW
16
2.1
SSW
16
2
SSW
15
1.8
SSW
14
1.7
SSW
14
1.4
SSW
14
1.6
S
14
1.1
SSW
16
1.8
SSW
16
1.4
SSW
15
1.4
SSW
15
1.3
SSW
14
1.3
SSW
14
1.2
SSW
13
1.2
SSW
13
0.9
SW
16
Wave Graph
Metric surfscale
Energy kJ
3005
2716
2295
1676
1208
2394
2054
1682
1321
1172
743
1018
661
1707
880
929
742
603
472
479
362
Wind (km/h)
15
SE
15
SSE
15
SE
15
SE
15
SSE
15
SE
15
SE
15
S
15
SSE
15
SSE
20
SSE
15
SSE
20
SE
25
SSE
20
SSE
20
SSE
20
S
20
S
15
S
10
SSW
15
S
Wind State
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
cross
cross
cross
cross
High Tide
10:39AM0.65m
11:54PM0.90m
11:18AM0.55m
1:13AM0.85m
1:47PM0.49m
2:41AM0.85m
3:37PM0.51m
3:51AM0.91m
4:40PM0.58m
4:43AM0.98m
5:22PM0.67m
5:23AM1.05m
5:57PM0.77m
Low Tide
4:58AM0.35m
4:30PM0.22m
5:56AM0.41m
5:10PM0.28m
7:37AM0.45m
6:09PM0.34m
11:10AM0.39m
7:38PM0.37m
11:24AM0.32m
9:14PM0.35m
11:37AM0.26m
10:21PM0.30m
11:55AM0.19m
11:10PM0.24m
part cloud
part cloud
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:22
6:22
6:22
6:22
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:25
6:25
6:25
6:25
6:25
6:24
6:24
 mm
2
6
3
8
7
1
13
10
1
14
2
1
2
Temp °C
28
28
27
28
28
27
28
28
27
27
27
27
27
28
27
28
28
27
28
28
27
Feels °C
30
30
30
30
30
30
31
30
29
29
28
29
28
28
28
28
28
27
30
30
29
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Telescopes Surf forecast

The above surf forecast table for Telescopes provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Telescopes can be found by selecting the local surf guide option on the grey menu. Our Telescopes 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 (Telescopes) 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 Telescopes 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 Telescopes, camping, hotels and holiday cottages in Mentawi Islands, consider staying in Padang which is 148 km (92 miles) away.

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