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Surf Forecasts:

Mandiri surf break

Mandiri surfForecast / Sumatra – Mainland / Indonesia

information circle12 Day Weather and Surf, issued 12 am Wednesday 14 Jan 2026 WIB
Forecast update in hr  min  s Forecast update imminent
Mandiri surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mandiri sea temperature is
29.0° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Mandiri this week:

The surf forecast for Mandiri over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jan 14) at 7AM. The primary swell is predicted to be 0.7m and 16s period with a secondary swell of 0.8m and 9s. Another secondary swell of 0.6m and 4s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Mandiri in the next 12 days are 1.7m 17s and forecast to arrive on Sunday (Jan 18) at 10PM. 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+) 7AM (Wed 14th Jan)2.5ft (0.7m) 16s
Best Surf 7AM (Mon 19th Jan)5ft (1.5m) 15s
Most Powerful10PM (Sun 18th Jan)5.5ft (1.7m) 17s

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

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

Short Range Forecast Moderate rain (total 15mm), heaviest on Tue night. Warm (max 28°C on Wed morning, min 25°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 89mm), heaviest during Fri night. Warm (max 27°C on Mon afternoon, min 23°C on Sun night). Wind will be generally light.

Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tue
20
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
1
0
2
1
0
3
0
1
0
2
1
3
2
3
2
2
2
1
3
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
SW
0.6
SW
0.9
SW
0.9
SW
1.1
SW
1
SW
1
SW
0.8
SW
1
SW
0.9
SW
0.8
SW
1.1
SW
1.1
SW
1.2
SW
1.1
SW
1.7
SSW
1.5
SSW
1.5
SSW
1.5
SSW
1.3
SSW
1.3
SSW
Period(s) (?)181515151414141414141316151514171515141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)194188370390416361398289377331250636566623528162610831083826692692
Wind
(km/h)
10
NW
15
WNW
15
WNW
15
NW
15
WNW
10
WNW
10
NNW
15
WNW
15
WNW
20
WNW
15
WNW
20
NW
15
NW
20
WNW
10
WNW
15
NW
15
NW
20
WNW
15
NW
10
NNW
20
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on		crosscross-
on		cross-
on		cross-
off		cross-
on		cross-
on		crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off		cross
High Tide
/ height (m)
2:58AM
0.48
3:36PM
0.93
4:45AM
0.47
4:37PM
0.96
5:56AM
0.50
5:29PM
1.01
6:41AM
0.55
6:14PM
1.07
7:17AM
0.60
6:53PM
1.12
7:50AM
0.67
7:28PM
1.16
8:21AM
0.74
Low Tide
/ height (m)
10:37PM
0.39
7:27AM
0.37
11:45PM
0.32
8:44AM
0.39
12:27AM
0.25
10:07AM
0.39
1:00AM
0.19
11:12AM
0.36
1:29AM
0.14
12:04PM
0.33
1:57AM
0.10
12:48PM
0.30
2:23AM
0.08
1:30PM
0.28
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tue
20
Sunrise-6:00--6:01--6:01--6:01--6:01--6:03--6:03-
Sunset--6:23--6:24--6:24--6:24--6:24--6:25--6:25
thunderstorm
clear
thunderstorm
rain showers
thunderstorm
part cloud
thunderstorm
part cloud
thunderstorm
thunderstorm
light rain
thunderstorm
rain showers
thunderstorm
rain showers
heavy rain
cloud
thunderstorm
thunderstorm
mod rain
thunderstorm
Rain (mm)
6-321-1-23724616418-2476
Temp. °C262828262827262828262625252425252627262527
Feels °C (?)292929283030292930282726262528282728282829
  • 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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Latest Updates

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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 Mandiri 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 Mandiri at:
surf-forecast.com

Information about the Mandiri Surf forecast

The above surf forecast table for Mandiri provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Mandiri can be found by selecting the local surf guide option on the grey menu. Our Mandiri 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 (Mandiri) 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 Mandiri 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.

Mandiri is 113 km (70 miles) from the city of Kotabumi. If you plan a holiday in Indonesia - Sumatra - Mainland, look for hotels and other accommodation in Kotabumi. Kotabumi has rooms for a wide range of budgets as well as car hire and transport links.

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