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Surf Forecasts:
Telescopes surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 am Wednesday 20 May 2026 WIBForecast update in hr min s Forecast update imminent
Telescopes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Telescopes sea temperature is
30.3° C
(Which is slightly warmer than usual)How big are the waves at Telescopes today?
The current surf forecast for Telescopes at 1PM is: 1.0m 16s primary swell from a Southwest direction and 1.0m 12s secondary swell from a South direction (forecast issued at 06:00am May 20). The wind direction is predicted to be cross-onshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 2.5ft (0.8m) | 16s |
| Afternoon (20 May) | 3.5ft (1.0m) | 16s |
| Evening (20 May) | 3.5ft (1.0m) | 15s |
Table - waves today at Telescopes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 30mm), heaviest during Wed afternoon. Warm (max 29°C on Wed morning, min 27°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 12 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | |
375 | 375 | 357 | 480 | 474 | 456 | 438 | 427 | 492 | 557 | 550 | 421 | 421 | 595 | 611 | 588 | 479 | 466 | 536 | 543 | 543 | 543 | 631 | 657 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | on | on | glassy | glassy | glassy | glassy | glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | |
High Tide | 8:35AM1.32m | 9:10PM0.75m | 9:27AM1.23m | 10:10PM0.73m | 10:24AM1.13m | 11:21PM0.73m | ||||||||||||||||||
Low Tide | 1:44AM0.03m | 3:11PM0.04m | 2:32AM0.10m | 4:03PM0.11m | 3:25AM0.20m | 4:58PM0.17m | ||||||||||||||||||
 |  | | | | | | | |  |  | | | | | | | | | | | |  | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | 6:16 |
 | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — | 6:17 |
1 | — | — | — | — | 5 | 2 | 3 | 2 | 1 | — | 2 | 1 | 1 | 4 | 2 | 2 | 1 | — | — | — | 1 | — | 1 | |
Temp °C | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 28 | 29 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 |
31 | 32 | 33 | 32 | 32 | 33 | 33 | 33 | 33 | 32 | 34 | 32 | 33 | 31 | 31 | 29 | 29 | 29 | 29 | 30 | 32 | 31 | 29 | 30 | |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
 kJ | 342 | 278 | 278 | 278 | 474 | 456 | 438 | 427 | 492 | 557 | 550 | 421 | 421 | 595 | 611 | 588 | 479 | 466 | 536 | 543 | 543 | 543 | 631 | 657 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | S 12 | S 12 | S 11 | S 11 | S 9 | S 9 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 |
| kJ | 375 | 375 | 357 | 480 | 221 | 214 | 182 | 185 | 78 | 57 | 144 | 141 | 128 | 92 | 90 | 87 | 83 | 60 | 58 | 40 | 65 | 49 | 36 | 36 |
Swell 3 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | WNW 7 | S 11 | S 11 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | W 7 | W 7 | W 11 | W 7 | S 12 | S 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | 10 | 10 | 10 | 10 | 4 | 4 | 4 | 5 | 87 | 84 | 5 | 5 | 5 | 5 | 4 | 4 | 2 | 4 | 3 | 57 | 56 | 39 | 38 | 36 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 7 | NNW 3 | NNW 3 | NW 7 | — | NNW 4 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 1 | 4 | 25 | — | 3 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 29 | 40 | 40 | 31 | 0 | 0 | 0 | 0 | 0 | 31 | 40 | 31 | 31 | 40 | 40 | 31 | 29 | 31 | 40 | 40 | 29 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
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