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Surf Forecasts:

Beng Beng surfForecast / Mentawi Islands / Indonesia

information circle12 Day Weather and Surf, issued 12 am Sunday 18 Jan 2026 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
29.3° C
 (Which is normal for this time of year)

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 Wednesday (Jan 21) at 7PM. The primary swell is predicted to be 1.1m and 18s period with a secondary swell of 0.8m and 12s. 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 1.5m 18s and forecast to arrive on Thursday (Jan 22) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (Jan 24) at 4PM.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Wed 21st Jan)3.5ft (1.1m) 18s
Best Surf 7PM (Wed 21st Jan)3.5ft (1.1m) 18s
Most Powerful 1AM (Thu 22nd Jan)5ft (1.5m) 18s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 34mm), heaviest during Mon night. Warm (max 29°C on Sun morning, min 25°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 47mm), heaviest during Thu afternoon. Warm (max 28°C on Wed morning, min 26°C on Tue night). Wind will be generally light.

Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sat
24
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
1
2
0
0
0
0
0
1
1
3
3
1
1
1
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
SSW
0.5
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.8
SSW
0.8
SSW
0.9
S
0.8
S
1.1
S
1.5
S
1.4
S
1.4
S
1.3
S
1.1
S
1.1
S
1
S
1
S
1
S
Period(s) (?)151817171615151414142119181615141313131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1791934335284113953652502613025488931357972904682423434355314299
Wind
(km/h)
15
NW
15
NNW
10
N
10
W
10
NW
15
NW
20
WNW
20
NW
10
NW
10
NW
15
NW
5
NW
10
NW
20
NNW
15
NW
15
WSW
15
NW
25
NW
25
WNW
15
NW
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		crosscrossoncross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
6:28AM
0.67
6:33PM
1.15
7:02AM
0.73
7:06PM
1.18
7:35AM
0.79
7:36PM
1.20
8:06AM
0.85
8:06PM
1.19
8:38AM
0.90
8:35PM
1.15
9:12AM
0.95
9:06PM
1.09
9:49AM
0.98
Low Tide
/ height (m)
12:34AM
0.16
11:33AM
0.18
1:02AM
0.11
12:15PM
0.15
1:30AM
0.08
12:55PM
0.13
1:59AM
0.05
1:34PM
0.13
2:28AM
0.04
2:14PM
0.14
2:58AM
0.04
2:56PM
0.17
3:29AM
0.05
3:42PM
0.22
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sat
24
Sunrise-6:26--6:26--6:26--6:26--6:28--6:28--6:28-
Sunset--6:38--6:38--6:39--6:39--6:39--6:39--6:39
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
mod rain
thunderstorm
mod rain
thunderstorm
thunderstorm
cloud
Rain (mm)
--26141533432447106785-
Temp. °C272929272928262828262828272828262626262828
Feels °C (?)293031303030272930293031312930282726283030
  • 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 Beng Beng 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 Beng Beng at:
surf-forecast.com

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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