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Surf Forecasts:
Rags Left surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 am Thursday 21 May 2026 WIBForecast update in hr min s Forecast update imminent
Rags Left surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rags Left sea temperature is
30.2° C
(Which is slightly warmer than usual)How big are the waves at Rags Left today?
The current surf forecast for Rags Left at 1PM is: 1.1m 15s primary swell from a Southwest direction and 0.9m 10s secondary swell from a South direction (forecast issued at 06:00am May 21). 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 (1.1m) | 15s |
| Evening (21 May) | 4.5ft (1.3m) | 16s |
Table - waves today at Rags Left. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 38mm), heaviest during Thu morning. Warm (max 30°C on Sat afternoon, min 26°C on Thu afternoon). 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 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SSW 13 | |
705 | 696 | 550 | 550 | 572 | 773 | 773 | 657 | 614 | 606 | 685 | 844 | 773 | 784 | 805 | 838 | 701 | 595 | 604 | 731 | 742 | 653 | 548 | 479 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross | cross | cross-on | |
High Tide | 9:08AM1.02m | 9:53PM0.55m | 10:03AM0.93m | 11:03PM0.56m | 11:03AM0.84m | 00:20AM0.61m | ||||||||||||||||||
Low Tide | 2:10AM0.11m | 4:05PM0.08m | 3:05AM0.18m | 5:02PM0.14m | 4:11AM0.27m | 6:01PM0.18m | ||||||||||||||||||
 |  | | | |  |  | |  | | | |  | | | | |  | | | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | 6:16 |
 | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | 6:15 |
2 | 1 | 3 | 5 | 4 | 1 | — | — | — | 1 | 3 | 1 | — | 1 | 3 | 5 | 3 | — | — | — | — | — | 1 | 3 | |
Temp °C | 27 | 27 | 28 | 28 | 27 | 26 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 26 | 27 | 27 | 28 | 29 | 30 | 28 | 27 | 27 |
31 | 31 | 32 | 31 | 29 | 29 | 30 | 30 | 30 | 30 | 31 | 31 | 30 | 30 | 29 | 28 | 30 | 30 | 31 | 31 | 33 | 31 | 31 | 31 | |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SSW 13 |
 kJ | 705 | 696 | 550 | 550 | 572 | 773 | 773 | 657 | 614 | 606 | 685 | 844 | 773 | 784 | 805 | 838 | 701 | 595 | 604 | 731 | 742 | 653 | 548 | 479 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | WNW 7 | NW 7 | S 8 | S 12 | W 14 | WNW 7 | WNW 8 | WNW 8 |
| kJ | 229 | 229 | 178 | 159 | 149 | 146 | 109 | 106 | 85 | 89 | 78 | 76 | 74 | 73 | 34 | 50 | 35 | 56 | 35 | 3 | 4 | 79 | 71 | 71 |
Swell 3 Height (m) Direction Period (s) | WNW 7 | WNW 7 | WNW 7 | WNW 7 | W 15 | — | W 11 | W 18 | SSE 9 | NW 7 | NW 7 | NW 7 | NW 7 | WNW 7 | WNW 7 | WNW 7 | S 8 | S 8 | S 12 | SE 9 | SE 9 | W 14 | S 8 | W 14 |
| kJ | 11 | 10 | 5 | 5 | 18 | — | 2 | 6 | 8 | 17 | 12 | 11 | 12 | 19 | 19 | 33 | 50 | 50 | 3 | 12 | 3 | 4 | 20 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | — | — | — | — | — | — | — | — | — | NW 7 | WNW 7 | WNW 7 | — | — | — |
| kJ | — | — | — | — | 17 | 23 | 17 | 17 | 17 | — | — | — | — | — | — | — | — | — | 56 | 66 | 77 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 75 | 153 | 75 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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