Beng Beng surfForecast / Mentawi Islands / Indonesia

information circle12 Day Weather and Surf, issued 6 am Thursday 18 Dec 2025 WIB
Forecast update in hr  min  s Forecast update imminent
Beng Beng surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Beng Beng sea temperature is
29.2° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Beng Beng this week:

The surf forecast for Beng Beng over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 18) at 1PM. The primary swell is predicted to be 0.8m and 14s period with a secondary swell of 0.5m and 9s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Beng Beng in the next 12 days are 0.7m 16s and forecast to arrive on Thursday (Dec 25) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Thu 18th Dec)2.5ft (0.8m) 14s
Best Surf 1PM (Thu 18th Dec)2.5ft (0.8m) 14s
Most Powerful 1PM (Thu 25th Dec)2.5ft (0.7m) 16s

Table - best surf conditions forecast for Beng Beng over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 16mm), heaviest on Thu afternoon. Warm (max 28°C on Thu morning, min 25°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sun afternoon. Warm (max 28°C on Sun morning, min 26°C on Sun night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
2
0
0
0
0
1
1
0
0
2
1
1
2
1
1
1
1
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SSW
0.8
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.7
S
0.8
S
0.7
S
0.7
S
0.7
S
0.8
S
0.9
S
0.5
SSW
0.8
SSE
0.8
SSE
0.8
SSE
0.8
SSE
0.9
SSE
0.7
SSE
0.5
SSW
0.5
S
Period(s) (?)14141313131212111110109159991010101418
Wave
Graph
(?)Metric surfscale
Energy kJ (?)23923614113313113918011911494122142123118113118120140102113152
Wind
(km/h)
10
NNW
5
WNW
10
WNW
10
NNW
5
NW
10
WNW
10
NNW
5
NW
10
NW
5
NNW
0
SW
10
WNW
5
N
5
SW
10
W
5
N
5
SSW
5
WNW
10
NNW
5
NW
15
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
glasscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glasscross-
on
crossglassoncrossglassoncrosscross-
on
cross-
on
cross-
on
cross-
on
on
High Tide
/ height (m)
5:31PM
1.09
5:59AM
0.66
6:07PM
1.12
6:36AM
0.68
6:43PM
1.15
7:11AM
0.69
7:17PM
1.16
7:45AM
0.70
7:49PM
1.16
8:19AM
0.72
8:20PM
1.14
8:55AM
0.74
8:51PM
1.11
Low Tide
/ height (m)
10:23AM
0.21
12:07AM
0.17
11:05AM
0.18
12:39AM
0.13
11:45AM
0.15
1:11AM
0.10
12:23PM
0.13
1:44AM
0.09
1:01PM
0.14
2:18AM
0.09
1:39PM
0.16
2:52AM
0.10
2:19PM
0.20
3:27AM
0.11
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Sunrise6:11--6:11--6:13--6:13--6:13--6:13--6:15--
Sunset-6:25--6:25--6:27--6:27--6:28--6:28--6:29-
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
rain showers
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
thunderstorm
Rain (mm)
13512112--11--------12
Temp. °C282827282826282826282827282827282827292927
Feels °C (?)323231313230323230313231313230313131323230
  • 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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Information about the Beng Beng Surf forecast

The above surf forecast table for Beng Beng provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Beng Beng can be found by selecting the local surf guide option on the grey menu. Our Beng Beng surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Beng Beng) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Beng Beng may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

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