Telescopes Surf Break

Lat Long: 2.05° S 99.55° E

Telescopes Surf Forecast and Surf Report

Issued: 12 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Telescopes sea temperature is
29.5° C
0.6° 

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


Telescopes surf forecast from 17 Aug 2026:

  • Best quality surf: Wednesday 19 Aug, 10AM (local time) - 8ft (2.5m), 18s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 19 Aug, 4PM (local time) - 8ft (2.5m), 17s period, SSW swell with 4,304 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 18 Aug, 7AM (local time) - 4.5ft (1.4m), 17s 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 Tuesday (Aug 18) at 7AM. The primary swell is predicted to be 1.4m and 17s period with a secondary swell of 1.0m and 13s. Another secondary swell of 0.7m 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 2.5m 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 0.9m 5s period and expected on Sunday (Aug 23) at 4PM.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Tue 18th Aug)4.5ft (1.4m) 17s
Best Surf10AM (Wed 19th Aug)8ft (2.5m) 18s
Most Powerful 4PM (Wed 19th Aug)8ft (2.5m) 17s

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


The Lowdown

Alright, mate, Rusty here. Let’s get into it. We’ve got a solid stretch of southwest groundswell lining up for Telescopes. It’s a proper reef set-up, so it handles this kind of energy well. The forecast is looking good, especially for the experienced crew, with the standout days being the 19th and the 31st.

The water temp is about average for this time of year, so no surprises there. We're looking at a run of clean mornings with light, offshore breezes—that's the ticket for getting the reef working.

The 19th is a big one. We’ve got a solid 8.2ft SSW groundswell with a long 18-second period. The morning looks excellent, with a light cross-off breeze. There’s a risk of thunderstorms, but that's a small price for that kind of juice. The energy is strong. This is the one to circle.

After that, things ease off a touch but stay fun. The 20th and 21st still have good waves in the 7.5ft to 5.9ft range, with clean conditions in the mornings. A slight drop for the weekend, with waves around 5.6ft to 6.6ft, but still workable.

There’s a bit of a lull mid-week, the 24th and 25th see smaller, but still clean, surf around 3.9ft to 5.6ft. The periods stay decent, so the quality remains.

Then things start to build again. The 29th sees a new SW groundswell arrive, with the afternoon picking up to 5.9ft on an 18-second period. The 30th looks good in the morning, with a glassy 6.2ft SW swell.

But the big one to save your energy for is the 31st. The morning is looking prime: a clean 6.2ft SW swell with a light offshore breeze and excellent conditions for experienced surfers. The energy is pumping. The afternoon has a longer period (20 seconds), but it gets a bit cross-shore. And into the 1st of September, the swell holds strong at 7.9ft.

A word on the second week—it's a bit further out, so treat it as promising but not set in stone. Still, the signals are good. This is a run of proper groundswell, and Telescopes is the place to be.

Short Range Forecast

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

Days 4-6 Weather Summary

Light rain (total 3mm), mostly falling on Sat night. Warm (max 28°C on Fri morning, min 27°C on Thu night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
3
4
5
4
3
4
4
2
4
3
3
3
2
3
3
3
4
4
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
SSW
16
1.7
SSW
16
2.4
SSW
19
2.5
SSW
18
2.5
SSW
17
2.5
SSW
17
2.4
SSW
16
2.3
SSW
16
2.2
SSW
16
1.8
SSW
15
1.6
SSW
15
2.1
SSW
16
2
SSW
16
2
SSW
15
1.8
SSW
14
1.7
SSW
14
1.4
SSW
14
1.6
SSW
14
1.2
SSW
16
1.4
SSW
16
1.8
SSW
15
Wave Graph
Metric surfscale
Energy kJ
1922
1429
4020
3790
4304
3786
3005
2716
2295
1527
1087
2254
1931
1682
1321
1065
733
887
807
964
1511
Wind (km/h)
20
SSE
20
S
20
SSE
10
SSE
10
S
15
S
15
SE
15
SSE
20
S
15
SE
15
S
15
SSE
20
SSE
15
S
15
SSW
15
SSE
20
SSE
15
SSE
15
SE
20
S
20
SSE
Wind State
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross
cross-off
cross
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-off
High Tide
9:38AM0.90m
10:17PM1.04m
10:09AM0.77m
11:00PM0.97m
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
Low Tide
3:27PM0.10m
4:12AM0.27m
3:57PM0.16m
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
thunderstorm
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
rain showers
thunderstorm
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:22
6:22
6:22
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:27
6:25
6:25
6:25
6:25
6:25
 mm
2
6
2
2
1
1
2
1
Temp °C
28
28
28
28
28
27
28
28
27
28
28
27
28
28
28
28
28
27
28
28
27
Feels °C
30
30
30
31
31
29
31
30
28
30
30
29
29
29
30
30
29
29
30
29
28
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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