Mandiri Surf Break

Lat Long: 5.25° S 103.97° E

Issued: 6 pm 23 Jun 2026 (local time)

Forecast update in  hr  min

Today's Mandiri sea temperature is
29.6° C

Slightly warmer than usual

Mandiri surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Mandiri surf forecast from 23 Jun 2026:

  • Best quality surf: Friday 26 Jun, 10PM (local time) - 2.5ft (0.8m), 21s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Sunday 28 Jun, 1AM (local time) - 6.5ft (2.0m), 18s period, SSW swell with 2,462 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 24 Jun, 1AM (local time) - 4.5ft (1.3m), 15s period with SSW 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 Wednesday (Jun 24) at 1AM. The primary swell is predicted to be 1.3m and 15s period with a secondary swell of 0.3m and 7s. Another secondary swell of 0.6m and 8s 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 16 days are 2.0m 18s and forecast to arrive on Sunday (Jun 28) at 1AM. 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 (Wed 24th Jun)4.5ft (1.3m) 15s
Best Surf10PM (Fri 26th Jun)2.5ft (0.8m) 21s
Most Powerful 1AM (Sun 28th Jun)6.5ft (2.0m) 18s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 17mm), heaviest on Wed afternoon. Warm (max 29°C on Wed morning, min 24°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Moderate rain (total 13mm), heaviest on Sun afternoon. Warm (max 29°C on Sat morning, min 24°C on Fri night). Wind will be generally light.

Tue
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
2
3
3
3
3
2
2
2
1
2
4
3
3
4
3
3
4
3
3
4
2
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)
1.4
SW
15
1.3
SSW
15
1.2
SW
15
1.2
SSW
14
1.2
SSW
14
1
SW
14
0.9
SW
13
0.9
SW
14
0.9
SW
14
0.8
SW
16
1
SSW
20
1.5
SSW
19
1.7
SSW
18
2
SSW
18
1.9
SSW
17
1.8
SSW
16
1.8
SSW
16
1.7
SSW
16
1.7
SSW
16
1.9
SSW
14
1.7
S
14
Wave Graph
Metric surfscale
Energy kJ
869
711
623
553
553
363
257
264
288
310
807
1559
1795
2462
1924
1626
1566
1415
1324
1554
1067
Wind (km/h)
5
S
10
E
5
SSW
5
S
5
NNE
5
WSW
0
WSW
5
ENE
5
S
10
S
10
ENE
5
S
10
S
10
E
10
SSE
15
SSE
10
E
15
SSE
15
SSE
10
ENE
10
SSE
Wind State
cross-on
cross-off
glassy
glassy
off
glassy
glassy
off
cross-on
cross-on
cross-off
cross-on
cross-on
cross-off
cross
cross
cross-off
cross
cross
cross-off
cross-on
High Tide
2:09AM0.96m
2:08PM0.62m
3:03AM0.98m
3:26PM0.56m
3:55AM0.99m
4:41PM0.54m
4:44AM1.01m
5:43PM0.55m
5:30AM1.04m
6:31PM0.57m
6:13AM1.07m
7:13PM0.60m
6:53AM1.10m
Low Tide
7:02PM0.28m
9:11AM0.41m
7:43PM0.33m
10:30AM0.36m
8:32PM0.35m
11:30AM0.29m
9:27PM0.36m
12:15PM0.23m
10:23PM0.36m
12:53PM0.18m
11:14PM0.34m
1:28PM0.14m
00:01AM0.32m
clear
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:11
6:11
6:11
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:00
6:00
6:00
6:00
6:01
6:01
 mm
2
5
3
2
4
1
1
1
2
1
6
1
1
Temp °C
28
26
29
27
25
28
27
25
29
28
26
29
29
26
29
28
26
29
28
26
29
Feels °C
31
30
33
31
29
32
32
29
32
31
30
32
32
30
32
31
29
31
30
29
31
Swell 1
Height (m)
Direction
Period (s)
1.4
SW
15
1.3
SSW
15
1.2
SW
15
1.2
SSW
14
1.2
SSW
14
1
SW
14
0.9
SW
13
0.9
SW
14
0.9
SW
14
0.9
SW
14
1.2
SW
15
1.5
SSW
19
1.7
SSW
18
2
SSW
18
1.9
SSW
17
1.8
SSW
16
1.8
SSW
16
1.7
SSW
16
1.7
SSW
16
1.9
SSW
14
1.7
S
14
Energy kJ
869
711
623
553
553
363
257
264
288
288
614
1559
1795
2462
1924
1626
1566
1415
1324
1554
1067
Swell 2
Height (m)
Direction
Period (s)
0.3
WNW
8
0.3
W
7
0.4
SSE
4
0.3
SSE
4
0.3
WNW
10
0.6
SSW
9
0.6
S
9
0.7
S
8
0.6
S
8
0.8
SW
16
1
SSW
20
1.2
SW
14
1
SW
14
0.8
SSE
7
0.7
SSE
7
0.2
WNW
8
0.8
S
18
1.3
S
16
1.3
S
15
1.2
S
14
1.1
SSW
14
Energy kJ
11
10
6
4
21
64
57
69
45
310
807
581
363
58
45
7
389
838
746
585
487
Swell 3
Height (m)
Direction
Period (s)
0.3
SE
10
0.3
SE
8
0.3
WNW
7
0.3
WNW
12
0.2
SSE
4
0.3
WNW
11
0.3
WNW
10
0.4
SW
18
0.5
SW
17
0.6
S
8
0.7
S
7
0.7
SSE
6
0.7
SSE
7
0.1
W
20
0.1
W
19
0.9
SSE
6
0.8
SSE
6
0.2
WNW
8
0.3
SW
21
0.6
SSW
18
Energy kJ
14
11
10
27
2
23
20
80
142
42
47
43
45
8
7
53
55
7
72
246
Wind waves
Height (m)
Direction
Period (s)
0.6
SE
8
0.6
SE
8
0.6
SSE
8
0.8
SSE
7
0.9
SSE
7
1
SSE
7
1.2
SSE
7
0.9
SSE
6
1.2
SSE
6
1.2
SSE
6
1
SSE
7
1.3
SSE
7
1.4
SSE
8
Energy kJ
55
53
40
56
73
85
116
59
106
109
99
168
213
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
2
2
2
3
3
4
4
4
4
4
4
4
4
4
4
4
Distance (km)
56
0
0
0
0
0
0
0
56
56
0
9
56
0
9
56
0
9
56
0
56
Best forecast wave conditions in Indonesia - Sumatra - Mainland
Rating
(10 max)
3
3
3
3
3
2
2
2
3
3
4
4
4
4
4
4
4
4
4
4
4
Best forecast wave conditions in Indonesia
Rating
(10 max)
3
3
3
3
3
3
3
2
3
3
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
8
9
8
5
5
5
5
6
5
5
5
5
5
9
8
5
6
6
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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