Mandiri Surf Break

Lat Long: 5.25° S 103.97° E

Mandiri Surf Forecast and Surf Report

Issued: 12 am 29 Jul 2026 (local time)

Forecast update in  hr  min

Today's Mandiri sea temperature is
28.0° C
0.3° 

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


Mandiri surf forecast from 28 Jul 2026:

  • Best quality surf: Thursday 30 Jul, 7AM (local time) - 3ft (0.9m), 19s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Sunday 2 Aug, 10AM (local time) - 6.5ft (2.0m), 18s period, SSW swell with 2,384 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 29 Jul, 7AM (local time) - 3ft (0.9m), 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 (Jul 29) at 7AM. The primary swell is predicted to be 0.9m and 15s period with a secondary swell of 0.9m and 8s. 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 (Aug 02) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Wed 29th Jul)3ft (0.9m) 15s
Best Surf 7AM (Thu 30th Jul)3ft (0.9m) 19s
Most Powerful10AM (Sun 2nd Aug)6.5ft (2.0m) 18s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Thu afternoon. Warm (max 28°C on Wed morning, min 24°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 21mm), heaviest during Sun afternoon. Warm (max 28°C on Sat morning, min 24°C on Fri night). Wind will be generally light.

Wednesday
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
Monday
3
Tuesday
4
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
3
3
3
4
3
2
4
2
1
4
3
2
4
3
2
4
3
3
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
15
0.9
SSW
14
1
SSW
14
1.3
SSW
19
1.1
SW
18
1.7
SSW
18
1.3
SSW
17
1.6
SSW
16
1.3
SSW
16
1.6
SSW
17
1.5
SSW
16
1.4
SW
16
2
SSW
18
2
SSW
16
1.8
SSW
15
1.7
SSW
14
1.7
SSW
14
1.8
SSW
15
1.9
SSW
16
1.9
SSW
16
1.8
SSW
15
Wave Graph
Metric surfscale
Energy kJ
339
347
392
1288
743
1735
930
1321
853
1543
1199
1031
2384
1993
1491
1257
1223
1337
1728
1788
1337
Wind (km/h)
10
S
10
S
5
ENE
10
S
10
SSE
10
E
10
S
15
SSE
10
ESE
15
SSE
15
SSE
10
ESE
15
SSE
10
S
10
ESE
15
SSE
15
SSE
5
E
10
SSE
10
SSE
10
ESE
Wind State
cross-on
cross-on
cross-off
cross-on
cross
cross-off
cross-on
cross-on
cross-off
cross-on
cross-on
cross-off
cross
cross-on
cross-off
cross
cross-on
cross-off
cross-on
cross
cross-off
High Tide
6:40AM1.08m
7:36PM0.68m
7:16AM1.11m
8:07PM0.75m
7:49AM1.13m
8:36PM0.83m
8:21AM1.11m
9:05PM0.90m
8:51AM1.07m
9:34PM0.96m
9:22AM1.01m
10:05PM1.01m
9:55AM0.93m
10:39PM1.04m
Low Tide
1:42PM0.13m
00:39AM0.31m
2:07PM0.11m
1:21AM0.29m
2:31PM0.09m
2:00AM0.28m
2:54PM0.09m
2:40AM0.27m
3:17PM0.10m
3:20AM0.27m
3:40PM0.11m
4:02AM0.27m
4:05PM0.13m
clear
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:13
6:13
6:13
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:06
6:07
6:07
6:07
6:07
6:07
6:07
 mm
1
6
2
1
6
2
4
3
1
5
1
1
4
1
6
7
Temp °C
28
28
25
28
26
25
28
27
25
28
28
25
28
26
25
28
27
25
28
26
25
Feels °C
30
31
29
31
29
28
31
30
28
30
31
28
30
29
29
30
30
29
31
30
29
  • 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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