Surf Forecasts:
Telescopes surf forecast from 1 Sep 2026:
- Best quality surf: Wednesday 2 Sep, 10PM (local time) - 5ft (1.5m), 16s period, SW swell with cross-offshore winds.
- Most powerful swell: Tuesday 1 Sep, 4PM (local time) - 7ft (2.1m), 16s period, SW swell with 2,311 kJ wave energy.
- Next surfable swell (1★+): Wednesday 2 Sep, 10PM (local time) - 5ft (1.5m), 16s period with SW 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 Wednesday (Sep 02) at 10PM. The primary swell is predicted to be 1.5m and 16s period with a secondary swell of 0.9m and 8s. 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 2.1m 16s and forecast to arrive on Tuesday (Sep 01) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Saturday (Sep 05) at 4PM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Wed 2nd Sep) | 5ft (1.5m) 16s |
| Best Surf | 10PM (Wed 2nd Sep) | 5ft (1.5m) 16s |
| Most Powerful | 4PM (Tue 1st Sep) | 7ft (2.1m) 16s |
Table - best surf conditions forecast for Telescopes over the next 16 days.
The Lowdown
Alright, Rusty here again, this time with the numbers in feet and miles per hour for you imperial heads.
We’ve only got one spot on the radar for this stretch, and it’s the mighty Telescopes. It’s a consistent reef break that loves a good SW swell, and we’ve got a long run of surf ahead. The water temp is sittin' at a balmy 85.3°F, which is pretty much bang on average for this time of year – nothing wild there. The wave energy for the opener is a beast, clocking in at 3244, so we’re looking at some serious power in the water.
Kicking off on the morning of September 1st, we’ve got a solid 7.5ft swell from the SSW, with a super long period of 17 seconds. That’s proper groundswell, the kind that wraps around points and reefs beautifully. The wind is a cross-off from the SSE at 12 mph, which will keep things tidy. The morning is the pick of the day, as the afternoon drops a touch to 6.9ft, but still holding that quality. This is strong surf over 5ft, so beginners might find it a handful, but for the advanced crew, this is where it’s at. Watch for those long-period sets; there could be some lulls between bombs.
Moving into Wednesday, September 2nd, the swell eases a little to 5.6ft in the morning and then 5.2ft in the afternoon. Periods stay long at 16 seconds, and the wind is still a friendly cross-off. It's still solid, quality surf, though not as thumping as the first day. Energy drops to 1509, still moderate but on the way down.
Thursday the 3rd sees the swell drop further to 4.6ft with a 14-second period. The morning sees a light breeze from the ESE at 6 mph, keeping it clean. The energy is down to 872, so it’s mellowing out. This is more in the fun, manageable range, but the quality is still there. Friday the 4th is similar, with 3.9ft from the SSW, and the morning wind shifts to offshore from the ESE at 6 mph. That’s clean, clean conditions for a smaller day. Energy’s down to 592.
The weekend of September 5th and 6th is a bit of a mixed bag. Saturday has a smaller 2.6ft swell in the morning, building to 3.9ft by the afternoon, both with a 17-second period. Wind is a moderate cross-off, so it’s not blown out, but not perfect either. Sunday the 6th is similar, with 3.9ft in the morning and a drop to 3.3ft in the afternoon. The energy spikes a bit Sunday morning at 1103, but the wind is up to 16 mph, making it less inviting.
Now, here’s where it gets interesting again. Tuesday, September 8th, things pump back up. Morning brings a 3.3ft swell from the south with a very long 19-second period, and energy jumps to 1303. The afternoon is even better: 4.6ft from the south, but the wind goes glassy from the south at just 3 mph. That’s the standout session of the first week – clean, glassy, and that long-period south swell will be running perfectly down the reef. This is quality stuff.
Wednesday the 9th holds the goodness with a 6.6ft swell from the south, 15-second period, and a clean cross-off breeze. This is back into the “experts only” territory for size, but the energy is strong at 1782. It’ll be a proper day for anyone with experience. Thursday the 10th is still solid with 5.6ft, but the afternoon wind goes cross-shore and gets a bit choppy, so stick to the morning.
Friday the 11th has a 4.9ft swell with offshore wind in the morning from the east at 12 mph – that’s clean and lined up. A great option for a morning paddle. The following weekend sees a bit of a drop, but Saturday the 12th has an interesting afternoon session with a 3.3ft swell and a very long 19-second period from the SW, with light winds. That’s sneaky good.
The real standout of the entire run, though, is Sunday, September 13th. The morning has a 5.9ft swell from the SW with a 16-second period, and the wind is glassy. Glassy. From the north at just 3 mph. The afternoon is even quieter, with a dead calm sea state and a 5.6ft swell. This is as clean as it gets, and with that energy at 1749, the waves will have some proper punch. This is the session to circle on the calendar.
The final days from Monday the 14th through Wednesday the 16th offer smaller but still clean surf, with swells around 4.3ft and mostly glassy or light offshore conditions. Good for a longboard or a funboard, but nothing that’ll blow your mind after that Sunday.
So, to wrap it up: the first day, September 1st, is a solid, powerful start, but the true standouts are Tuesday afternoon, September 8th for the glassy conditions with a solid swell, and Sunday, September 13th,
Short Range ForecastHeavy rain (total 41mm), heaviest during Tue night. Warm (max 28°C on Tue morning, min 26°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 24mm), heaviest during Sat morning. Warm (max 28°C on Fri morning, min 26°C on Fri night). Winds increasing (light winds from the SE on Fri morning, fresh winds from the SSE by Sun afternoon). | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
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 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 14 | SW 14 | SW 14 | SSW 13 | SW 13 | SSW 13 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | S 17 | SSW 16 | SSW 15 | SSW 14 | SSW 13 |
Wave Graph | |||||||||||||||||||||
3030 | 2311 | 1780 | 1486 | 1333 | 1087 | 763 | 752 | 731 | 465 | 388 | 295 | 390 | 785 | 404 | 679 | 582 | 749 | 543 | 326 | 284 | |
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 | off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:55PM1.15m | 8:56AM0.92m | 9:32PM1.13m | 9:30AM0.81m | 10:18PM1.09m | 10:12AM0.69m | 11:20PM1.03m | 11:20AM0.58m | 00:51AM0.98m | 1:44PM0.53m | 2:30AM1.00m | 3:31PM0.61m | 3:47AM1.07m | ||||||||
Low Tide | 2:30PM0.01m | 3:07AM0.12m | 3:02PM0.04m | 3:53AM0.18m | 3:37PM0.09m | 4:48AM0.25m | 4:19PM0.15m | 6:00AM0.33m | 5:14PM0.23m | 7:48AM0.35m | 6:36PM0.30m | 9:44AM0.29m | 8:24PM0.31m | ||||||||
6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — | |
— | 6:23 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | |
mm | 2 | — | 7 | 7 | 5 | 9 | 5 | 1 | 5 | 2 | 1 | 4 | 9 | 2 | 2 | 3 | — | 1 | 3 | 2 | 8 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 |
Feels °C | 30 | 29 | 31 | 30 | 30 | 31 | 32 | 31 | 30 | 32 | 31 | 30 | 28 | 29 | 27 | 28 | 28 | 27 | 29 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 14 | SW 14 | SW 14 | SSW 13 | SW 13 | SSW 13 | SSW 17 | SSW 17 | SSW 14 | SSW 16 | S 17 | SSW 16 | SSW 15 | SSW 14 | SSW 13 |
3030 | 2311 | 1780 | 1486 | 1333 | 1087 | 763 | 752 | 731 | 465 | 388 | 295 | 390 | 785 | 293 | 679 | 582 | 749 | 543 | 326 | 249 | |
Swell 2 Height (m) Direction Period (s) | WNW 9 | — | — | W 17 | W 16 | SSE 8 | W 16 | NW 8 | WNW 8 | S 18 | SSE 8 | S 16 | SSW 13 | W 11 | SSW 17 | S 20 | SSW 13 | W 10 | SSW 21 | SSW 20 | SSW 18 |
8 | — | — | 23 | 21 | 79 | 21 | 3 | 6 | 24 | 102 | 188 | 209 | 2 | 404 | 194 | 149 | 2 | 45 | 151 | 186 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 16 | W 16 | — | — | W 8 | S 17 | W 8 | S 9 | W 13 | W 10 | W 10 | W 11 | S 23 | W 10 | SE 18 | S 21 |
— | — | — | — | — | 21 | 5 | — | — | 1 | 52 | 1 | 6 | 3 | 2 | 2 | 2 | 11 | 2 | 12 | 141 | |
Wind waves Height (m) Direction Period (s) | SSE 9 | SSE 6 | SSE 6 | SSE 4 | SSE 8 | — | SSE 8 | SSE 8 | SSE 7 | SSE 8 | — | SSE 7 | SE 5 | SSE 6 | SSE 6 | SSE 7 | SSE 8 | SSE 9 | SSE 9 | SSE 8 | SSE 8 |
206 | 67 | 72 | 54 | 133 | — | 83 | 102 | 97 | 102 | — | 78 | 65 | 127 | 203 | 228 | 263 | 360 | 295 | 275 | 284 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 35 | 417 | 35 | 35 | 417 | 0 | 0 | 35 | 0 | 0 | 35 | 0 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 355 | 0 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
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.











