
Surf Forecasts:
Telescopes surf forecast from 19 Jul 2026:
- Best quality surf: Monday 20 Jul, 7AM (local time) - 5ft (1.6m), 17s period, SSW swell with cross-offshore winds.
- Most powerful swell: Monday 20 Jul, 10AM (local time) - 5.5ft (1.7m), 17s period, SSW swell with 1,630 kJ wave energy.
- Next surfable swell (1★+): Monday 20 Jul, 7AM (local time) - 5ft (1.6m), 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 Monday (Jul 20) at 7AM. The primary swell is predicted to be 1.6m and 17s period with a secondary swell of 0.2m and 7s. 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 1.7m 17s and forecast to arrive on Monday (Jul 20) at 10AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Tuesday (Jul 21) at 1PM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Mon 20th Jul) | 5ft (1.6m) 17s |
| Best Surf | 7AM (Mon 20th Jul) | 5ft (1.6m) 17s |
| Most Powerful | 10AM (Mon 20th Jul) | 5.5ft (1.7m) 17s |
Table - best surf conditions forecast for Telescopes over the next 16 days.
The Lowdown
Alright, let’s talk Telescopes. This is a deep-water reef, and it’s got a real pulse over the next couple of weeks, but you gotta be patient and know what you’re doing. This is an advanced wave, no place for the faint of heart.
The real action is a bit of a slow burn. The best window is a late bloomer, but when it hits, it’s gonna be special. The first few days are building, but the wind is a bit of a pain. The real standout is the late July into early August stretch. That’s the one you want to circle on the calendar.
Let’s get into it. Monday the 20th of July, we’ve got a solid 6ft SSW groundswell rolling in with a very long period of 17 seconds. The wave energy is very strong (1688). Early morning, a light offshore breeze from the ESE has it clean, excellent for experienced surfers. That afternoon, the wind swings to the south and goes cross-shore, and the quality drops. That morning session is the pick of the first few days.
Tuesday the 21st is a bit of a letdown. South-East wind is moderate and cross-offshore, but the swell is already easing.
It’s a pattern of dropping swell and funky, gusty winds for the next few days. The energy stays moderate (around 966 down to 216) and the consistency is there, but the wind state is mostly cross-offshore, which isn’t your friend at a reef. It’s not gonna be the typical clean, perfect Telescopes.
The real magic starts to show up on the 30th of July. Thursday morning, a new 2ft SSW groundswell with a monster period of 19 seconds pushes in. The energy is jumping up to 617. The wind is a glassy, light ESE breeze. The water is going to be dead flat. This is the start of something real good.
Then, we get to the absolute standout. The 31st of July, Friday. Morning has a 4ft SW swell with a 17-second period. The wind is glassy from the NE. The energy is strong (1032). By the afternoon, the swell bumps up to 5ft, still from the SW, period dropping slightly to 16 seconds, but the wind is glassy from the west. The energy is climbing (1105). This is the best session on offer. Clean, long-period groundswell, perfect for a reef. It’s going to be an absolute machine.
The 1st of August, Saturday, is another smoking day. Glassy conditions all day with a 4ft to 5ft SW groundswell. The energy is very strong (1421). The morning has a light easterly breeze, the afternoon is dead calm. This is a two-day run of Triple-A quality.
The good times roll into the 2nd of August. Sunday morning has a 5ft SSW groundswell with a 14-second period and glassy NE wind. The energy is very strong (1071). That’s a solid, powerful wave for the experienced crew. The afternoon stays glassy but the swell drops a touch.
The 4th of August, Tuesday, closes the window with a 4ft SSW groundswell, moderate energy (626), and a light offshore wind from the north. It’s not the peak of the run, but it’s a clean, solid option.
The water temperature is about average for the time of year, nothing to write home about.
So, to wrap it up: the first week is a bit of a grind. The real gold is from Friday the 31st of July through Sunday the 2nd of August. That’s when Telescopes will be firing with clean, long-period groundswell and glassy winds. Get out there if you’ve got the stones.
Rusty.
Short Range ForecastHeavy rain (total 53mm), heaviest during Tue night. Warm (max 28°C on Sun night, min 27°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 37mm), heaviest during Thu night. Warm (max 28°C on Thu afternoon, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||
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 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | S 10 | SSE 10 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SW 13 |
Wave Graph | |||||||||||||||||||||
1630 | 1411 | 1193 | 899 | 778 | 490 | 390 | 238 | 217 | 120 | 551 | 637 | 692 | 490 | 416 | 289 | 295 | 283 | 260 | 188 | 175 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy |
High Tide | 10:19AM0.97m | 11:10PM0.99m | 11:00AM0.83m | 00:02AM0.96m | 11:49AM0.70m | 1:01AM0.93m | 12:56PM0.60m | 2:07AM0.92m | 2:25PM0.54m | 3:13AM0.93m | 3:47PM0.54m | 4:12AM0.96m | 4:50PM0.58m | ||||||||
Low Tide | 4:18PM0.13m | 4:50AM0.33m | 4:51PM0.18m | 5:48AM0.39m | 5:28PM0.23m | 7:00AM0.43m | 6:11PM0.28m | 8:54AM0.43m | 7:08PM0.31m | 10:47AM0.37m | 8:19PM0.32m | 11:29AM0.30m | 9:31PM0.30m | ||||||||
6:26 | — | — | 6:26 | — | — | 6:26 | — | — | 6:26 | — | — | 6:26 | — | — | 6:26 | — | — | 6:26 | — | — | |
— | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | |
mm | 2 | 7 | 4 | 1 | 3 | 16 | 4 | 3 | 9 | 2 | — | 15 | 5 | 1 | 4 | — | 1 | 10 | 3 | — | 3 |
Temp °C | 28 | 27 | 27 | 28 | 28 | 27 | 28 | 27 | 27 | 27 | 28 | 27 | 27 | 28 | 27 | 28 | 28 | 27 | 26 | 27 | 27 |
Feels °C | 31 | 30 | 30 | 29 | 29 | 29 | 30 | 29 | 29 | 28 | 30 | 29 | 28 | 30 | 29 | 30 | 30 | 29 | 28 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | S 10 | SW 16 | SW 13 | SW 18 | SW 15 | SW 16 | SSE 10 | SW 14 | SW 14 | SSE 9 | SSE 9 | SSE 9 |
1630 | 1411 | 1193 | 899 | 778 | 490 | 390 | 238 | 217 | 71 | 40 | 46 | 49 | 143 | 153 | 289 | 132 | 189 | 260 | 188 | 140 | |
Swell 2 Height (m) Direction Period (s) | WNW 7 | SSE 7 | SSE 7 | W 11 | WNW 8 | S 18 | WNW 8 | S 16 | WSW 18 | SSW 14 | SSW 15 | SW 16 | SW 15 | S 18 | S 16 | SW 15 | S 15 | W 8 | SW 13 | SW 13 | SW 13 |
5 | 70 | 66 | 2 | 7 | 56 | 7 | 46 | 31 | 120 | 43 | 66 | 33 | 57 | 85 | 209 | 113 | 6 | 183 | 183 | 175 | |
Swell 3 Height (m) Direction Period (s) | W 13 | WNW 8 | WNW 7 | W 7 | S 20 | WNW 10 | SW 19 | WNW 11 | WNW 10 | SE 8 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | S 16 | W 9 | W 11 | W 10 | SSW 18 | SSW 18 |
3 | 6 | 5 | 1 | 7 | 10 | 15 | 12 | 11 | 25 | 22 | 10 | 10 | 9 | 8 | 124 | 2 | 2 | 8 | 32 | 32 | |
Wind waves Height (m) Direction Period (s) | SSE 7 | — | — | SSE 7 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 6 | S 10 | SSE 10 | SSE 11 | SSE 10 | SSE 10 | — | SSE 10 | SSE 10 | — | — | — |
50 | — | — | 64 | 85 | 85 | 116 | 134 | 190 | 82 | 551 | 637 | 692 | 490 | 416 | — | 295 | 283 | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 35 | 0 | 35 | 35 | 0 | 33 | 0 | 35 | 35 | 41 | 35 | 74 | 35 | 35 | 35 | 0 | 0 | 35 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | |||||||||||||||||||||
Best forecast wave conditions in Indonesia | |||||||||||||||||||||
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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.










