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Surf Forecasts:

Thunders surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 12 pm Saturday 17 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 8PM is: 1.0m 16s primary swell from a Southwest direction and 0.5m 9s secondary swell from a South direction, 1.2m 6s secondary swell from a West direction (forecast issued at 12:00pm January 17). The wind direction is predicted to be cross-shore.

Time (WIB) & DateWave HeightWave Period
Morning (17 Jan)2ft (0.6m)16s
Afternoon (17 Jan)3.5ft (1.0m)16s
Evening (17 Jan)3.5ft (1.0m)15s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
17
Sunday
18
Monday
19
Tuesday
20
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)
2
1
2
1
1
3
3
3
1
2
2
2
2
2
2
2
3
2
3
3
3
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
SW
1
SW
1
SW
1
SW
0.9
SSW
1.1
SW
0.9
SW
1.1
SW
1.1
SW
0.8
SSW
1.4
SW
1.4
SW
1.5
SSW
1.4
SW
1.4
SSW
1.3
SSW
1.3
SSW
1.4
SSW
1.4
SSW
1.4
SSW
1.4
SSW
1.3
SSW
1.3
SSW
1.3
SSW
Period(s) (?)161616161515191514181718171716161616161615141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2684964834774035035464894824071235124913831207957822811921909909897647603595
Wind
(km/h)
25
NNW
25
WNW
25
WNW
35
W
25
WNW
25
W
20
WNW
15
WNW
15
W
20
W
20
W
25
W
20
W
25
WNW
30
WNW
30
WNW
20
NW
30
NW
25
WNW
20
NW
20
NW
20
WNW
25
WNW
25
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		crosscross-
off		crosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
5:36PM
0.91
6:11AM
0.50
6:12PM
0.95
6:45AM
0.56
6:45PM
0.99
Low Tide
/ height (m)
12:35AM
0.12
11:17AM
0.17
1:02AM
0.08
11:59AM
0.15
1:29AM
0.06
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Sunrise-------6:20-------6:20-------6:20
Sunset--6:37-------6:37-------6:37-----
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thunderstorm
Rain (mm)
27213336443246531121-221
Temp. °C282526262526262626262525252626252627262626262626
Feels °C (?)292527252527282828272625262625252726262727272626
  • 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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