Thunders surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 6 pm 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
29.0° C
(Which is normal for this time of year)


How big are the waves at Thunders today?

The current surf forecast for Thunders at 1AM is: 0.9m 14s primary swell from a Southwest direction and 0.8m 10s secondary swell from a South direction (forecast issued at 06:00pm January 31). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (WIB) & DateWave HeightWave Period
Morning (01 Feb)3ft (0.9m)14s
Afternoon (01 Feb)3ft (0.9m)13s
Evening (01 Feb)3ft (0.9m)13s

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

Updates in  hr  min  s Forecast update imminent
Saturday
31
Sunday
01
Monday
02
Tuesday
03
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
Rating
(10 max)
2
3
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
1
2
2
0
1
Swell
Height Map
Wave Height (m) & direction (?)
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
0.7
SW
0.7
SW
0.7
SW
0.7
SW
0.6
SSW
0.7
SSW
Period(s) (?)151414141414141413131313131313131313131313131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)41835030129728828027226426125725325320520217017017017016716716716498131
Wind
(km/h)
15
WNW
15
WNW
10
WNW
10
NW
10
WNW
10
NW
10
NW
15
WNW
15
WNW
15
WNW
10
WNW
10
WNW
10
NW
10
NW
10
NW
15
NW
15
WNW
10
WNW
10
WNW
5
W
5
SW
5
ESE
5
ESE
5
E
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
crossglassglasscrossglass
High Tide
/ height (m)
5:04PM
1.02
5:45AM
0.56
5:54PM
1.06
6:30AM
0.64
6:38PM
1.07
7:11AM
0.72
Low Tide
/ height (m)
12:10AM
0.06
11:06AM
0.12
12:47AM
0.02
12:00PM
0.09
1:20AM
0.01
12:47PM
0.08
Saturday
31
Sunday
01
Monday
02
Tuesday
03
Sunrise-----6:24-------6:24-------6:24--
Sunset6:38-------6:39-------6:39-------
part cloud
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
Rain (mm)
----1221--131321---1251-
Temp. °C282727272626272828272726262627282827272726262627
Feels °C (?)292930302928303030293029292930292929303030292931
  • 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

Latest Updates

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.


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