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Surf Forecasts:

Thunders surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 12 am Saturday 31 Jan 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 4AM is: 1.0m 15s primary swell from a Southwest direction and 1.1m 11s secondary swell from a South direction (forecast issued at 12:00am January 31). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (WIB) & DateWave HeightWave Period
Morning (31 Jan)3ft (0.9m)15s
Afternoon (31 Jan)3.5ft (1.0m)15s
Evening (31 Jan)3ft (0.9m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
31
Sunday
01
Monday
02
10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM
Rating
(10 max)
3
3
3
3
3
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
SW
1
SW
1
SW
0.9
SW
0.9
SW
0.9
SW
1
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.8
SW
0.8
SW
0.7
SW
0.7
SW
0.7
SW
0.7
SW
Period(s) (?)151515151515151414141414141413131313131313131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)441429424314355309418350301297288280272264261257253253205202170170170170
Wind
(km/h)
15
WNW
10
NW
10
NW
10
NW
10
NNW
15
WNW
20
WNW
15
WNW
15
WNW
15
WNW
10
WNW
10
WNW
10
WNW
10
WNW
15
WNW
10
WNW
10
WNW
10
NW
10
WNW
10
NW
10
N
10
NNW
10
WNW
15
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off
High Tide
/ height (m)
4:51AM
0.48
5:04PM
1.02
5:45AM
0.56
5:54PM
1.06
6:30AM
0.64
6:38PM
1.07
Low Tide
/ height (m)
11:27PM
0.12
10:01AM
0.16
12:10AM
0.06
11:06AM
0.12
12:47AM
0.02
12:00PM
0.09
Saturday
31
Sunday
01
Monday
02
Sunrise---6:24-------6:24-------6:24----
Sunset------6:38-------6:39-------6:39-
part cloud
thunderstorm
thunderstorm
part cloud
cloud
part cloud
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
Rain (mm)
-12-----223-11--151351--
Temp. °C272726272828282827272626272728272726262626272827
Feels °C (?)293029303029293030302929302930293029282929303129
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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