Surf Forecast Surf Report

Thunders surfForecast / Mentawi Islands / Indonesia

information circle48hr Weather and Surf, issued 6 am Saturday 17 May 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
29.9° C
(Which is normal for this time of year)


How big are the waves at Thunders today?

The current surf forecast for Thunders at 12PM is: 0.9m 14s primary swell from a South-southwest direction and 1.2m 9s secondary swell from a West-northwest direction (forecast issued at 06:00am May 17). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (WIB) & DateWave HeightWave Period
Morning (17 May)3.5ft (1.0m)14s
Afternoon (17 May)3ft (0.9m)14s
Evening (17 May)2.5ft (0.7m)17s

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

Updates in  hr  min  s Forecast update imminent
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
Rating
(10 max)
Swell
Height Map
Wave Height (m) & direction (?)
1.1
SW
1.1
SW
0.9
SSW
0.9
SSW
0.9
SSW
1.2
SSW
0.7
SW
0.7
SW
1.1
SW
1.1
SW
1.1
SW
1
SW
1
SW
1
SW
1
SW
0.9
SW
0.9
SW
0.9
SW
0.7
SW
0.9
SW
0.9
SW
0.6
SW
0.9
SW
0.9
SW
0.9
SW
0.8
SW
0.8
SW
0.8
SW
0.8
SW
0.8
SW
0.8
SW
0.6
SW
0.6
SW
0.7
SW
0.9
SW
1
SW
1.1
SW
1.2
SW
1.2
SW
1.4
SW
1.5
SW
1.6
SW
1.6
SW
1.6
SW
1.7
SSW
1.7
SSW
1.6
SW
1.5
SSW
1.4
SW
1.6
SSW
1
SSW
1
SSW
1.4
SW
1.6
SSW
1.5
SSW
1.5
SSW
1.5
SSW
1.5
SSW
1.5
SSW
1.4
SSW
Period(s) (?)141414141418171616161515141414141414141413141313141413131313131818181717171717171616161616161515151518181616161515151515
Wave
Graph
(?)Metric surfscale
Energy (?)482476357352362817291264587580537424412412407272308322206264261169295295308277250242246246242202246319410560754874864104811871271123912391356132211331014893110260659787112891141975936936924807
Wind
(km/h)
20
NNW
20
NNW
20
NNW
20
NW
20
NW
20
NW
15
NW
15
NW
15
NNW
15
NNW
15
NW
20
WNW
20
NW
15
NW
15
WNW
15
WNW
15
NNW
15
NNW
10
NNW
10
NW
10
NW
10
NW
5
W
5
WNW
0
SSW
0
ENE
5
ENE
5
SW
5
SW
5
SSE
10
SSE
10
SE
10
SE
5
SE
5
SSE
10
SSW
5
SW
5
SSW
5
SSW
5
SE
5
SSE
5
SE
5
S
10
SW
10
SW
5
SW
5
SW
5
W
5
WNW
5
NW
5
WNW
10
W
15
W
10
WSW
5
W
5
W
0
W
0
WNW
5
W
10
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offcross-
off
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-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
glassglassglassglassglassglassoncross-
on
cross-
on
cross-
on
cross-
on
glasscross-
on
cross-
on
glassglassglasscross-
on
glassglasscross-
on
cross-
on
cross-
on
cross-
on
glassglassglasscross-
off
crosscrosscrossglassglassglassglasscrosscross
High Tide
/ height (m)
8:27AM
0.91
8:56PM
0.49
9:05AM
0.88
9:47PM
0.49
9:50AM
0.85
10:56PM
0.50
10:46AM
0.81
12:18AM
0.56
11:53AM
0.77
1:31AM
0.65
1:09PM
0.74
2:31AM
0.76
2:23PM
0.71
3:22AM
0.88
Low Tide
/ height (m)
1:34AM
0.15
3:20PM
0.14
2:09AM
0.20
4:06PM
0.17
2:51AM
0.25
4:58PM
0.19
3:50AM
0.31
5:56PM
0.20
5:15AM
0.36
6:54PM
0.19
7:00AM
0.37
7:48PM
0.17
8:34AM
0.31
8:37PM
0.14
9:47AM
0.21
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunrise-6:16-------6:16-------6:16-------6:16-------6:16-------6:16-------6:16-------6:16--
Sunset----6:14-------6:14-------6:14-------6:14-------6:14-------6:14-------6:14-------
part cloudclearclearclearclearthunderstorm thunderstorm thunderstorm thunderstorm part cloudpart cloudclearthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm cloudpart cloudpart cloudpart cloudcloudcloudpart cloudpart cloudthunderstorm clearpart cloudpart cloudpart cloudpart cloudpart cloudclearclearclearclearpart cloudpart cloudpart cloudpart cloudcloudclearclearpart cloudpart cloudpart cloudpart cloudpart cloudcloudpart cloudpart cloudpart cloudclearpart cloudpart cloudclearpart cloudclearclear
Rain (mm)
-----1322---113321--------1---------------------------------
Temp. °C272729303028282828272929292828272727283029282828272728292928282727272929292827272727282929282827272728292928272727272829
Feels °C (?)282931313230313131303230313131303030323432323333323233343332323131313433333231313132323232323231313131323232313132323231
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

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