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Surf Forecasts:
Rags Right surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 am Monday 18 May 2026 WIBForecast update in hr min s Forecast update imminent
Rags Right surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rags Right sea temperature is
30.4° C
(Which is slightly warmer than usual)How big are the waves at Rags Right today?
The current surf forecast for Rags Right at 8AM is: 1.3m 15s primary swell from a South direction and 0.8m 12s secondary swell from a South direction (forecast issued at 12:00am May 18). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 4.5ft (1.3m) | 15s |
| Afternoon (18 May) | 5ft (1.5m) | 14s |
| Evening (18 May) | 5ft (1.5m) | 14s |
Table - waves today at Rags Right. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Mon night. Warm (max 29°C on Mon morning, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 16 | S 17 | 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 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | |
886 | 371 | 640 | 881 | 1051 | 868 | 855 | 880 | 868 | 806 | 772 | 760 | 653 | 643 | 594 | 498 | 511 | 523 | 504 | 492 | 635 | 619 | 595 | 565 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | glassy | glassy | glassy | on | on | glassy | cross-on | cross | glassy | glassy | on | cross-on | glassy | glassy | |
High Tide | 6:41AM1.16m | 7:11PM0.61m | 7:28AM1.15m | 8:00PM0.58m | 8:17AM1.10m | 8:53PM0.56m | ||||||||||||||||||
Low Tide | 11:53PM0.02m | 1:30PM-0.03m | 00:36AM0.02m | 2:20PM-0.01m | 1:21AM0.05m | 3:11PM0.03m | ||||||||||||||||||
 | |  | | |  |  | | |  |  | | | | | | | | | | | | | | |
 | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:14 | — | — |
— | — | — | — | — | — | — | — | — | 2 | 1 | — | — | 1 | — | — | — | 2 | 1 | — | — | — | — | — | |
Temp °C | 28 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 |
32 | 31 | 30 | 31 | 32 | 32 | 32 | 31 | 32 | 31 | 31 | 34 | 34 | 33 | 32 | 32 | 31 | 31 | 32 | 32 | 33 | 33 | 32 | 33 | |
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 | S 12 | SW 16 | S 10 | SW 15 |
 kJ | 886 | 267 | 640 | 881 | 1051 | 868 | 855 | 880 | 868 | 806 | 772 | 760 | 653 | 643 | 594 | 488 | 477 | 400 | 400 | 400 | 325 | 619 | 262 | 565 |
Swell 2 Height (m) Direction Period (s) | WNW 9 | S 17 | S 12 | WNW 9 | WNW 9 | WNW 9 | W 8 | W 8 | SW 18 | SW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | S 10 | SW 15 | S 9 |
| kJ | 108 | 371 | 177 | 80 | 79 | 58 | 52 | 51 | 375 | 370 | 304 | 300 | 260 | 310 | 498 | 498 | 511 | 523 | 504 | 492 | 635 | 257 | 595 | 103 |
Swell 3 Height (m) Direction Period (s) | SW 14 | WNW 9 | WNW 9 | S 8 | SW 19 | SW 19 | SW 19 | SW 18 | W 8 | W 8 | W 8 | W 8 | W 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | S 11 |
| kJ | 128 | 106 | 82 | 33 | 236 | 133 | 130 | 155 | 50 | 35 | 34 | 34 | 34 | 22 | 22 | 22 | 21 | 20 | 20 | 11 | 11 | 11 | 11 | 125 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 59 | 59 | 59 | 59 | 0 | 0 | 0 | 0 | 81 | 27 | 0 | 3 | 3 | 0 | 0 | 81 | 81 | 0 | 0 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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