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Surf Forecasts:
Telescopes surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 am Thursday 21 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
30.2° C
(Which is normal for this time of year)How big are the waves at Telescopes today?
The current surf forecast for Telescopes at 10AM is: 1.1m 15s primary swell from a Southwest direction and 0.8m 11s secondary swell from a South direction (forecast issued at 06:00am May 21). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 3.5ft (1.1m) | 15s |
| Afternoon (21 May) | 3.5ft (1.0m) | 15s |
| Evening (21 May) | 3.5ft (1.1m) | 16s |
Table - waves today at Telescopes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 27mm), heaviest during Thu morning. Warm (max 29°C on Sat morning, min 28°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
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 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | |
492 | 557 | 550 | 421 | 421 | 595 | 611 | 588 | 479 | 466 | 536 | 543 | 623 | 623 | 631 | 657 | 631 | 478 | 424 | 437 | 523 | 450 | 437 | 418 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | |
High Tide | 9:27AM1.23m | 10:10PM0.73m | 10:24AM1.13m | 11:21PM0.73m | 11:27AM1.01m | 00:38AM0.77m | ||||||||||||||||||
Low Tide | 2:32AM0.10m | 4:03PM0.11m | 3:25AM0.20m | 4:58PM0.17m | 4:27AM0.30m | 5:57PM0.23m | ||||||||||||||||||
 |  | | | |  | | | | | | | | | | |  |  |  | | |  | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | 6:18 |
 | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — | 6:19 |
3 | 3 | 4 | 4 | 2 | — | — | 1 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 |
32 | 29 | 29 | 31 | 31 | 31 | 31 | 31 | 30 | 29 | 30 | 30 | 31 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 30 | 31 | 31 | 31 | |
Swell 1 Height (m) Direction Period (s) | 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 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 14 | SW 14 | SW 14 | SW 14 |
 kJ | 492 | 557 | 550 | 421 | 421 | 595 | 611 | 588 | 479 | 466 | 536 | 543 | 623 | 623 | 631 | 657 | 631 | 478 | 424 | 437 | 523 | 450 | 437 | 418 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | W 7 | WNW 7 | WNW 6 | WNW 6 | W 6 | W 8 |
| kJ | 78 | 57 | 144 | 141 | 131 | 92 | 90 | 89 | 85 | 60 | 58 | 57 | 56 | 56 | 38 | 36 | 35 | 35 | 26 | 36 | 33 | 32 | 19 | 28 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | W 16 | NW 7 | NNW 4 | W 7 | W 7 | W 11 | W 11 | S 12 | S 12 | S 12 | W 10 | NW 7 | W 16 | WNW 7 | W 9 | WNW 7 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | 87 | 84 | 5 | 12 | 5 | 4 | 4 | 2 | 2 | 3 | 3 | 3 | 2 | 22 | 5 | 15 | 2 | 17 | 18 | 21 | 21 | 21 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | NW 7 | NNW 3 | — | NNW 4 | NNW 4 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | WNW 7 | NNW 3 | NW 4 | NNW 3 | NNW 3 | — | — | — | NNW 3 | NNW 3 |
| kJ | — | — | 12 | 4 | — | 3 | 3 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 30 | 4 | 10 | 4 | 4 | — | — | — | 2 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 31 | 31 | 29 | 29 | 29 | 31 | 31 | 29 | 40 | 29 | 29 | 31 | 31 | 31 | 31 | 31 | 11 | 29 | 31 | 31 | 29 | 31 | 31 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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