Thunders surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 12 am Wednesday 15 Apr 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
29.5° C
(Which is normal for this time of year)

How big are the waves at Thunders today?

The current surf forecast for Thunders at 5AM is: 1.3m 14s primary swell from a Southwest direction and 0.6m 9s secondary swell from a South direction (forecast issued at 12:00am April 15). The wind direction is predicted to be offshore and the swell rating is 3.

Time (WIB) & DateWave HeightWave Period
Morning (15 Apr)4ft (1.2m)14s
Afternoon (15 Apr)3.5ft (1.1m)13s
Evening (15 Apr)3.5ft (1.1m)13s

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


Updates in  hr  min  s Forecast update imminent
Wednesday
15
Thursday
16
Friday
17
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM
Rating
(10 max)
2
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
0
1
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SW
1.3
SW
1.3
SW
1.3
SW
1.2
SW
1.3
SW
1.1
SW
1.1
SW
1.1
SW
1.2
SW
1.2
SW
1.2
SW
1.2
SW
1.2
SW
1.2
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.1
SW
1
SW
0.9
SSW
0.9
SSW
0.9
SW
0.9
SW
Period(s) (?)141414141414131313141414141313131313131313121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)667667658658565595386380451589597589548525472465465458388326286273212216
Wind
(km/h)
10
W
10
WNW
5
NNW
10
NE
10
NE
15
NNE
10
N
10
N
5
N
0
NW
0
NNW
5
NE
5
ENE
5
SSW
5
SSW
5
SSW
10
S
10
SSE
10
SE
10
SE
10
ESE
10
SSE
10
S
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
offcross-
off
cross-
off
cross-
off
offoffoffglassglassglasscross-
off
glasscross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
cross-
on
onon
High Tide
/ height (m)
Low Tide
/ height (m)
Wednesday
15
Thursday
16
Friday
17
Sunrise---6:18-------6:18-------6:16----
Sunset------6:20-------6:20-------6:20-
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
thunderstorm
part cloud
clear
cloud
part cloud
part cloud
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
thunderstorm
part cloud
Rain (mm)
353243-1-----12-131---1-
Temp. °C282727262626262726262626282828282727272729292828
Feels °C (?)313031292929293130313130323332323031303032333132
  • 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

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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