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Surf Forecasts:

Thunders surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 12 pm Friday 21 Nov 2025 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 slightly warmer than usual)

How big are the waves at Thunders today?

The current surf forecast for Thunders at 7PM is: 1.1m 14s primary swell from a Southwest direction and 0.7m 9s secondary swell from a South-southeast direction, 0.7m 6s secondary swell from a West-northwest direction (forecast issued at 12:00pm November 21). The wind direction is predicted to be cross-offshore.

Time (WIB) & DateWave HeightWave Period
Morning (21 Nov)2.5ft (0.8m)15s
Afternoon (21 Nov)3.5ft (1.0m)14s
Evening (21 Nov)3.5ft (1.1m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
21
Saturday
22
Sunday
23
Monday
24
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
2
2
2
3
3
3
3
3
2
1
2
2
2
2
2
2
1
2
2
2
2
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
SSW
0.9
SSW
1.1
SW
1.1
SW
1
SW
0.9
SSW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
1
SW
1
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.9
SW
0.8
SW
0.7
SW
0.7
SW
0.7
SW
0.7
SW
Period(s) (?)151414141313131313131312121212121212121112121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)272367456431352304437431431424405292287236205205205209199155137140142142
Wind
(km/h)
15
N
15
NNW
20
NW
15
WNW
15
WNW
10
WNW
10
WNW
5
NW
5
WNW
10
WSW
10
WSW
5
WNW
10
WNW
15
NW
15
NW
15
NW
15
NW
15
WNW
15
WNW
10
W
10
WNW
10
WNW
10
WNW
10
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
on		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
High Tide
/ height (m)
6:34PM
0.97
7:00AM
0.55
7:06PM
0.95
7:32AM
0.53
7:38PM
0.93
Low Tide
/ height (m)
1:17AM
0.07
12:18PM
0.12
1:50AM
0.08
12:49PM
0.13
2:25AM
0.10
Friday
21
Saturday
22
Sunday
23
Monday
24
Sunrise-------5:56-------5:56-------5:56
Sunset--6:12-------6:13-------6:13-----
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rain showers
rain showers
thunderstorm
thunderstorm
rain showers
Rain (mm)
22231-1--112111223212121
Temp. °C252626262626262627272727262626262727272626262626
Feels °C (?)282827282929293030303031292828282929292929292929
  • 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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