Rags Left surfForecast / Mentawi Islands / Indonesia

information circle12 Day Weather and Surf, issued 6 pm Monday 13 Oct 2025 WIB
Forecast 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
30.0° C
(Which is 1.6°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Rags Left this week:

The surf forecast for Rags Left over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 14) at 1AM. The primary swell is predicted to be 0.8m and 23s period with a secondary swell of 0.9m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Rags Left in the next 12 days are 1.9m 19s and forecast to arrive on Tuesday (Oct 14) at 1PM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Tue 14th Oct)2.5ft (0.8m) 23s
Best Surf 4AM (Tue 14th Oct)3.5ft (1.1m) 22s
Most Powerful 1PM (Tue 14th Oct)6ft (1.9m) 19s

Table - best surf conditions forecast for Rags Left over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 16mm), heaviest on Tue night. Warm (max 29°C on Tue morning, min 27°C on Mon afternoon). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 31mm), heaviest during Thu night. Warm (max 29°C on Thu afternoon, min 26°C on Thu night). Wind will be generally light.

Mon
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
3
4
3
4
4
3
4
4
3
4
4
2
1
0
0
2
2
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SW
0.8
SSW
1.7
SSW
2
SSW
2.1
SSW
2.1
SSW
2
SSW
1.7
SSW
1.7
SSW
1.4
SW
1.3
SSW
1.2
SW
1.4
SW
1.3
SSW
1.2
SW
1.2
SW
1.1
SW
1.1
SW
1
SW
1.8
WNW
0.8
SSW
Period(s) (?)12232018161616151414131314141313131312912
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2126512267260224612128188012971142822599517846691517509437364297513202
Wind
(km/h)
10
S
10
SE
0
W
10
WSW
0
WNW
5
NW
10
SW
5
SE
5
SE
10
S
10
SSE
5
SW
10
W
10
NW
15
NW
15
WNW
5
N
10
NNW
15
NW
20
NNW
15
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
glasscross-
on
glassglasscross-
on
glasscross-
off
crosscross-
off
glassoncross-
on
cross-
on
oncrosscross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
10:43PM
0.86
11:35AM
0.43
12:06AM
0.78
1:39PM
0.46
1:40AM
0.74
3:08PM
0.55
2:57AM
0.74
3:58PM
0.66
3:53AM
0.76
4:35PM
0.76
4:36AM
0.76
5:06PM
0.84
5:13AM
0.75
Low Tide
/ height (m)
6:05AM
0.23
4:20PM
0.27
7:55AM
0.25
6:20PM
0.35
9:09AM
0.22
8:38PM
0.34
9:52AM
0.19
9:53PM
0.29
10:23AM
0.17
10:43PM
0.23
10:48AM
0.15
11:21PM
0.18
11:10AM
0.13
Mon
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Sunrise--6:00--6:00--6:00--5:58--5:58--5:58--5:58
Sunset6:09--6:09--6:09--6:09--6:09--6:09--6:08--
part cloud
rain showers
thunderstorm
part cloud
thunderstorm
rain showers
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
-11-91-222812324637247
Temp. °C282729292728292729292728282727282728282627
Feels °C (?)313034333132333133333132323029303131312729
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Mentawi Islands

  1. weather stationWind Update Continuing clean conditions at Rags Left (light winds from the SSE at ASCATB101E3S 89 km from Rags Left). 1.0m 8s swell from the SSE with a 0.7m 12s groundswell from the SW and a 0.6m 12s groundswell from the S. 3 swells combining to make bigger set waves.

    Rags Left
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rags Left 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.


Information about the Rags Left Surf forecast

The above surf forecast table for Rags Left provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Rags Left can be found by selecting the local surf guide option on the grey menu. Our Rags Left surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Rags Left) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Rags Left may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Mentawi Islands? If you are looking for accommodation near Rags Left, camping, hotels and holiday cottages in Mentawi Islands, consider staying in Sungaipenuh which is 172 km (107 miles) away.

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