Mandiri surf break

Mandiri surfForecast / Sumatra – Mainland / Indonesia

information circle16 Day Weather and Surf, issued 6 pm Friday 29 May 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
30.0° C
(Which is slightly warmer than usual)

Mandiri surf forecast from 29 May 2026:

  • Best quality surf: Saturday 30 May, 1AM (local time) - 6ft (1.8m), 13s period, SW swell with offshore winds.
  • Most powerful swell: Wednesday 3 Jun, 7AM (local time) - 6ft (1.9m), 15s period, SSW swell with 1,602 kJ wave energy.
  • Next surfable swell (1★+): Saturday 30 May, 1AM (local time) - 6ft (1.8m), 13s period with SW swell.

Best Forecast Surf Conditions for Mandiri this week:

The surf forecast for Mandiri over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 30) at 1AM. The primary swell is predicted to be 1.8m and 13s period with a secondary swell of 0.3m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Mandiri in the next 16 days are 1.9m 15s and forecast to arrive on Wednesday (Jun 03) at 7AM. 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+) 1AM (Sat 30th May)6ft (1.8m) 13s
Best Surf 1AM (Sat 30th May)6ft (1.8m) 13s
Most Powerful 7AM (Wed 3rd Jun)6ft (1.9m) 15s

Table - best surf conditions forecast for Mandiri over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Sun morning. Warm (max 29°C on Sun morning, min 24°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 28°C on Tue morning, min 23°C on Mon night). Wind will be generally light.

Fri
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
3
4
3
2
3
2
2
3
2
2
3
4
3
4
3
3
4
4
3
4
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
SW
14
1.8
SW
13
1.7
SSW
13
1.6
SSW
13
1.6
SSW
12
1.5
SSW
12
1.4
SSW
12
1.3
SSW
12
0.9
SSW
15
1.2
SSW
14
1.5
SSW
14
1.5
SSW
14
1.7
SSW
13
1.6
SSW
16
1.9
SSW
14
1.8
SSW
14
1.3
SSW
14
1.3
S
13
1.1
SW
16
1.2
SW
16
1.7
SSW
16
Wave Graph
Metric surfscale
Energy kJ
1533
1144
1045
875
727
626
569
438
382
561
814
838
894
1184
1517
1249
690
577
694
767
1356
Wind (km/h)
10
W
5
NE
5
WSW
5
SW
5
NE
5
S
10
SSW
10
ENE
5
S
5
SW
10
NE
5
W
5
WSW
5
NNE
10
WNW
10
W
5
NNW
5
W
5
SSW
5
NE
10
SSE
cross-on
off
cross-on
on
off
cross-on
cross-on
off
cross-on
on
off
glassy
on
off
cross-on
cross-on
glassy
glassy
on
off
cross-on
High Tide
6:02PM0.65m
5:56AM1.10m
6:44PM0.65m
6:32AM1.12m
7:22PM0.65m
7:08AM1.13m
7:59PM0.65m
7:44AM1.13m
8:35PM0.65m
8:19AM1.12m
9:12PM0.65m
8:53AM1.09m
9:51PM0.66m
9:27AM1.06m
Low Tide
11:11PM0.31m
1:01PM0.14m
11:47PM0.30m
1:35PM0.11m
00:23AM0.28m
2:08PM0.09m
00:58AM0.27m
2:42PM0.09m
1:33AM0.27m
3:16PM0.11m
2:08AM0.30m
3:49PM0.13m
2:45AM0.33m
clear
clear
clear
part cloud
part cloud
rain showers
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
6:05
6:07
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:55
5:55
5:55
5:57
5:57
5:57
5:57
5:57
1
Temp °C
28
25
28
28
25
29
28
24
28
27
24
28
27
24
28
27
26
28
27
25
29
31
29
31
32
28
31
30
27
30
29
26
30
29
26
30
29
30
32
30
28
31
Swell 1
Height (m)
Direction
Period (s)
1.9
SW
14
1.8
SW
13
1.7
SSW
13
1.6
SSW
13
1.6
SSW
12
1.5
SSW
12
1.4
SSW
12
1.3
SSW
12
1.1
SSW
11
1.2
SSW
14
1.5
SSW
14
1.5
SSW
14
1.7
SSW
13
1.6
SSW
16
1.9
SSW
14
1.8
SSW
14
1.4
S
13
1.3
S
13
1.2
S
13
1.2
SW
16
1.7
SSW
16
Energy kJ
1533
1144
1045
875
727
626
569
438
275
561
814
838
894
1184
1517
1249
690
577
488
767
1356
Swell 2
Height (m)
Direction
Period (s)
0.3
WNW
8
0.3
WNW
8
0.3
WNW
8
0.2
WNW
8
0.3
WNW
10
0.3
SSW
18
0.4
SSW
16
0.8
SSW
16
0.9
SSW
15
1
SSW
11
0.3
SSW
20
0.5
SSW
18
0.9
SSW
17
1.1
SSW
10
1.1
S
15
1.1
S
15
1.3
SSW
14
1.2
SSW
13
1.1
SW
16
1
SSW
13
0.9
SSE
12
Energy kJ
13
12
12
6
18
62
105
330
382
222
75
182
433
260
567
517
569
465
694
330
236
Swell 3
Height (m)
Direction
Period (s)
0.2
SSE
10
0.2
SSE
10
0.3
WNW
8
0.1
W
11
0.1
SW
18
0.3
WNW
10
0.2
WNW
9
0.2
WNW
9
0.2
WNW
8
0.2
WNW
8
0.2
WNW
8
0.2
WNW
8
0.3
SW
21
0.7
S
15
0.5
SW
20
0.4
SW
20
0.9
SW
18
0.9
SW
18
1
SSW
13
0.9
SSE
13
0.2
S
17
Energy kJ
10
9
12
2
13
18
7
7
6
6
6
6
72
215
186
136
528
460
341
277
23
Wind waves
Height (m)
Direction
Period (s)
0.5
SE
5
0.4
SE
4
Energy kJ
12
4
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
Distance (km)
35
0
6
56
0
9
56
0
56
56
0
0
9
0
312
346
0
0
56
0
56
Best forecast wave conditions in Indonesia - Sumatra - Mainland
Rating
(10 max)
4
4
4
3
3
3
3
3
3
3
3
4
4
4
3
4
4
4
4
4
Best forecast wave conditions in Indonesia
Rating
(10 max)
4
4
4
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
5
5
7
7
6
5
5
4
4
5
8
4
6
5
5
5
5
5
7
6
  • 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 16 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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