- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Telescopes surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 am Monday 18 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 10AM is: 1.0m 15s primary swell from a South direction and 0.6m 9s secondary swell from a West direction (forecast issued at 06:00am May 18). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 3.5ft (1.0m) | 15s |
| Afternoon (18 May) | 4ft (1.2m) | 15s |
| Evening (18 May) | 4ft (1.2m) | 14s |
Table - waves today at Telescopes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Mon night. Warm (max 29°C on Mon morning, min 28°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 16 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | |
638 | 362 | 440 | 644 | 635 | 644 | 546 | 553 | 635 | 503 | 488 | 480 | 473 | 463 | 427 | 371 | 375 | 375 | 361 | 480 | 474 | 462 | 438 | 427 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | |
High Tide | 7:00AM1.40m | 7:28PM0.81m | 7:46AM1.38m | 8:17PM0.78m | 8:35AM1.32m | 9:10PM0.75m | ||||||||||||||||||
Low Tide | 1:34PM-0.04m | 00:58AM-0.00m | 2:22PM-0.01m | 1:44AM0.03m | 3:11PM0.04m | |||||||||||||||||||
 |  | | |  | |  |  | | |  | | | | | | | | | | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | 6:16 |
 | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — | 6:17 |
— | 1 | 1 | 1 | — | — | — | 3 | 4 | 4 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 |
32 | 32 | 31 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 34 | 33 | 33 | 34 | 32 | |
Swell 1 Height (m) Direction Period (s) | S 16 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SW 16 | SW 16 | SW 15 | SW 15 |
 kJ | 638 | 362 | 440 | 644 | 635 | 644 | 546 | 553 | 635 | 503 | 488 | 480 | 473 | 463 | 427 | 347 | 342 | 278 | 278 | 278 | 474 | 462 | 438 | 427 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | S 12 | S 12 | S 11 | S 11 |
| kJ | 56 | 56 | 55 | 38 | 36 | 36 | 35 | 307 | 304 | 249 | 190 | 216 | 310 | 366 | 366 | 371 | 375 | 375 | 361 | 480 | 273 | 210 | 178 | 185 |
Swell 3 Height (m) Direction Period (s) | SW 14 | S 10 | SSW 12 | SW 20 | SW 19 | SW 19 | SW 18 | WNW 8 | WNW 8 | WNW 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 7 |
| kJ | 99 | 46 | 109 | 239 | 133 | 130 | 112 | 22 | 22 | 22 | 21 | 21 | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 4 | 4 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 35 | 74 | 35 | 35 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Telescopes surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest