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Surf Forecasts:

Thunders surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 6 am Friday 09 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
29.2° C
 (Which is normal for this time of year)

How big are the waves at Thunders today?

The current surf forecast for Thunders at 9AM is: 1.2m 13s primary swell from a South-southwest direction and 0.6m 7s secondary swell from a West direction (forecast issued at 06:00am January 09). The wind direction is predicted to be offshore and the swell rating is 3.

Time (WIB) & DateWave HeightWave Period
Morning (09 Jan)4ft (1.2m)13s
Afternoon (09 Jan)3.5ft (1.1m)13s
Evening (09 Jan)3.5ft (1.0m)13s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
09
Saturday
10
Sunday
11
Mon
12
4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM
Rating
(10 max)
3
3
3
3
2
2
2
2
2
2
2
2
1
1
1
2
2
2
2
1
1
2
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1
SSW
1
SSW
1
SSW
1.1
SSW
1.1
SSW
0.9
SSW
1
SSW
1
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.7
SSW
0.8
WSW
0.7
WSW
Period(s) (?)1413131313131213121212121212121212121111111188
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4605145064993623303253953772372832782302302262221771711661451431117568
Wind
(km/h)
5
NW
10
N
10
N
15
NW
20
NW
20
NNW
15
N
15
N
10
NNW
10
WNW
10
WNW
15
WNW
10
W
5
SW
5
S
5
SSE
5
SSW
0
SW
0
WSW
5
WSW
5
W
0
N
5
NNE
5
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offoffcross-
off		cross-
off		offoffoffoffcross-
off		cross-
off		cross-
off		crosscross-
on		onglassglassglassglasscross-
on		crossglasscross-
off		off
High Tide
/ height (m)
10:25AM
0.74
10:08PM
0.75
11:14AM
0.75
10:44PM
0.64
12:07PM
0.74
11:26PM
0.54
Low Tide
/ height (m)
3:58AM
0.10
4:02PM
0.29
4:27AM
0.14
4:59PM
0.35
4:57AM
0.18
6:13PM
0.39
Friday
09
Saturday
10
Sunday
11
Mon
12
Sunrise-6:16-------6:16-------6:18------
Sunset----6:34-------6:35-------6:35---
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
cloud
part cloud
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
Rain (mm)
112132-----1111---13----
Temp. °C262526272725252525262728272726262626272728272626
Feels °C (?)302829292926272828293030293129303030323031313030
  • 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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