Mandiri surf break

Mandiri surfForecast / Sumatra – Mainland / Indonesia

information circle12 Day Weather and Surf, issued 12 pm Tuesday 02 Dec 2025 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 Tuesday (Dec 02) at 10PM. The primary swell is predicted to be 1.5m and 14s period with a secondary swell of 0.6m and 9s. 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 1.5m 14s and forecast to arrive on Tuesday (Dec 02) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+)10PM (Tue 2nd Dec)5ft (1.5m) 14s
Best Surf10PM (Tue 2nd Dec)5ft (1.5m) 14s
Most Powerful10PM (Tue 2nd Dec)5ft (1.5m) 14s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 21mm), heaviest during Thu night. Warm (max 29°C on Tue morning, min 24°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 16mm), heaviest on Fri morning. Warm (max 28°C on Fri morning, min 25°C on Fri morning). Wind will be generally light.

Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
3
2
2
3
2
1
2
2
1
2
1
1
2
3
1
3
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1.5
SW
1.5
SW
1.5
SW
1.4
SW
1.4
SW
1.2
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
SSW
1.1
SSW
1
SSW
0.8
SW
0.9
SW
0.9
SW
1
SW
Period(s) (?)141414141414141313131313131214131216161615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)928877840763752581465342321277241238230216285402320318427400424
Wind
(km/h)
10
SSE
10
SSE
10
ESE
5
SSE
10
S
5
NNE
10
W
5
SW
5
NNE
10
ENE
5
SW
5
NW
10
W
10
W
5
NNW
5
W
10
W
5
NNW
10
W
10
W
5
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
off
crosscross-
on
glasscross-
on
onglassoffonglasscross-
on
cross-
on
cross-
off
glasscross-
on
cross-
off
cross-
on
cross-
on
cross
High Tide
/ height (m)
4:13PM
1.13
4:50AM
0.68
5:03PM
1.24
5:50AM
0.68
5:52PM
1.33
6:44AM
0.69
6:41PM
1.38
7:34AM
0.70
7:30PM
1.38
8:22AM
0.71
8:18PM
1.35
9:11AM
0.73
9:06PM
1.28
Low Tide
/ height (m)
11:14PM
0.19
10:11AM
0.24
12:08AM
0.07
11:03AM
0.20
12:58AM
-0.02
11:53AM
0.17
1:46AM
-0.06
12:43PM
0.15
2:33AM
-0.06
1:33PM
0.16
3:18AM
-0.03
2:23PM
0.19
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Sunrise5:41--5:41--5:41--5:41--5:41--5:41--5:43--
Sunset-6:05--6:05--6:06--6:06--6:07--6:07--6:07-
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
rain showers
rain showers
part cloud
rain showers
rain showers
light rain
rain showers
thunderstorm
rain showers
rain showers
rain showers
rain showers
Rain (mm)
11-12133932-223112213
Temp. °C292726272726282726282726282726282826272726
Feels °C (?)323030313030313131313030312929303130293029
  • 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 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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