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Surf Forecasts:

Thunders surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 12 pm Friday 13 Mar 2026 WIB
Forecast update in hr  min  s Forecast update imminent
Thunders surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thunders sea temperature is
29.1° C
 (Which is normal for this time of year)

How big are the waves at Thunders today?

The current surf forecast for Thunders at 4PM is: 1.1m 11s primary swell from a South direction and 0.4m 14s secondary swell from a Southwest direction (forecast issued at 12:00pm March 13). The wind direction is predicted to be onshore.

Time (WIB) & DateWave HeightWave Period
Morning (13 Mar)3.5ft (1.1m)11s
Afternoon (13 Mar)3.5ft (1.1m)11s
Evening (13 Mar)3.5ft (1.1m)11s

Table - waves today at Thunders. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Friday
13
Saturday
14
Sunday
15
Monday
16
10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM
Rating
(10 max)
1
1
0
0
2
2
1
1
3
3
3
3
3
4
4
2
4
3
2
2
2
2
2
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
S
1.1
S
1.1
S
1.1
S
1.1
S
0.7
SSW
0.8
SSW
0.9
SSW
1
SSW
1
SSW
1
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.2
SW
1.3
SSW
1.3
SSW
1.2
SSW
1.2
SW
1.4
SW
1.4
SW
1.4
SW
1.2
SW
Period(s) (?)111111111022212020201918181817161617161515151515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)286279279269285412516634798790758903864854789795907919691693838838849693
Wind
(km/h)
10
SE
10
S
10
S
10
S
10
S
10
SSE
10
SSE
10
SSE
10
SE
10
S
10
SSW
5
SSW
5
S
0
SSW
5
SSW
5
S
5
S
5
SW
10
WSW
10
WSW
5
SW
5
WSW
5
SW
5
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		ononononononcross-
on		cross-
on		ononononglassglassonglasscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		glass
High Tide
/ height (m)
3:25AM
0.38
3:02PM
0.71
4:23AM
0.46
3:59PM
0.78
4:55AM
0.56
Low Tide
/ height (m)
10:24PM
0.30
6:41AM
0.35
10:42PM
0.25
8:57AM
0.33
11:01PM
0.19
Friday
13
Saturday
14
Sunday
15
Monday
16
Sunrise-------6:24-------6:24-------6:24
Sunset--6:31-------6:31-------6:31-----
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
thunderstorm
part cloud
part cloud
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
31----1--1--------------
Temp. °C272828272727272728282828272727272828282828272727
Feels °C (?)303131303030303031313132313231313232313132313131
  • 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

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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 Thunders 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.

View detailed surf forecast for Thunders at:
surf-forecast.com

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