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Surf Forecasts:

Thunders surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 12 pm 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
29.3° C
 (Which is normal for this time of year)

How big are the waves at Thunders today?

The current surf forecast for Thunders at 5PM is: 1.0m 13s primary swell from a South-southwest direction and 0.6m 13s secondary swell from a South-southwest direction (forecast issued at 12:00pm 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
Monday
12
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)
3
3
3
2
2
2
2
2
2
1
1
1
1
2
2
1
2
1
1
2
2
2
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
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
0.8
WSW
0.8
WSW
0.7
WSW
Period(s) (?)13131313121312121212121212121212111111118888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)50649936233032539537723728327823023022622217416916614514310975807168
Wind
(km/h)
10
N
10
NNW
15
NNW
15
N
15
NNE
10
N
10
NNW
10
NW
15
NW
15
W
10
W
10
SW
5
S
5
SSE
0
SE
5
SSE
5
SSE
5
S
5
SW
5
SW
5
N
10
N
10
N
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		offoffcross-
off		offoffcross-
off		cross-
off		cross-
off		crosscross-
on		onglassglasscross-
on		glassoncross-
on		glassglassoffoffcross-
off
High Tide
/ height (m)
10:08PM
0.75
11:14AM
0.75
10:44PM
0.64
12:07PM
0.74
11:26PM
0.54
Low Tide
/ height (m)
4:02PM
0.29
4:27AM
0.14
4:59PM
0.35
4:57AM
0.18
6:13PM
0.39
5:31AM
0.21
Friday
09
Saturday
10
Sunday
11
Monday
12
Sunrise-------6:16-------6:18-------6:18
Sunset--6:34-------6:35-------6:35-----
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
thunderstorm
thunderstorm
clear
cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
cloud
part cloud
part cloud
clear
Rain (mm)
2221-------11--111------
Temp. °C262626252525252527282827272626262627282726252626
Feels °C (?)292928272828282829293030313030303030313130273030
  • 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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