Hiliduha Surf Break

Lat Long: 0.56° N 97.81° E

Hiliduha Surf Forecast and Surf Report

Issued: 12 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Hiliduha sea temperature is
29.9° C
0.7° 

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


Hiliduha surf forecast from 11 Aug 2026:

  • Best quality surf: Tuesday 18 Aug, 10PM (local time) - 8ft (2.4m), 19s period, SW swell with glassy winds.
  • Most powerful swell: Tuesday 18 Aug, 10PM (local time) - 8ft (2.4m), 19s period, SW swell with 4,026 kJ wave energy.
  • Next surfable swell (1★+): Thursday 13 Aug, 1PM (local time) - 4.5ft (1.4m), 13s period with S swell.

Best Forecast Surf Conditions for Hiliduha this week:

The surf forecast for Hiliduha over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 13) at 1PM. The primary swell is predicted to be 1.4m and 13s period with a secondary swell of 0.7m and 18s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hiliduha in the next 16 days are 2.4m 19s and forecast to arrive on Tuesday (Aug 18) at 10PM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Thu 13th Aug)4.5ft (1.4m) 13s
Best Surf10PM (Tue 18th Aug)8ft (2.4m) 19s
Most Powerful10PM (Tue 18th Aug)8ft (2.4m) 19s

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


The Lowdown

Righto, I’m Rusty, and I’ve been staring at the charts for Hiliduha. This is a reef break and it’s exposed to the swell, with the best direction coming in from the SW. We’ve got a 16-day window ahead, and there’s actually a bit of a slow start followed by some real promise.

The water temp here is sitting about average for this time of year. Nothing wild, just what you’d expect.

We kick off on Wednesday the 12th and Thursday the 13th of August, but honestly, it’s a bit of a write-off. The wind is cross-on and onshore, the swell is there but the conditions are messy. You’re looking at a moderate combined wave energy, but it’s not clean enough to get excited about. A couple of days to sit out.

Then Friday the 14th morning, things start to turn. The wind goes glassy, and we’ve got a solid 6ft SSW groundswell rolling in with a long 16-second period. The combined energy is strong, and the conditions are marked as excellent for experienced surfers. This is a real standout. The long period is going to give those waves some serious shape and power, and with the glassy conditions, it’s going to be clean. Hiliduha is a reef, so that long-period swell will wrap in nicely. Keep in mind it’s a fairly consistent spot, but it’s advanced territory, so if you’re not confident, maybe give it a miss.

Saturday the 15th keeps the glassy theme going, both morning and afternoon. Swell drops a little to 5ft and 5ft from the S, with a period of 14 and 13 seconds, still good energy. Conditions are excellent for experienced surfers again. This is a solid run of clean surf.

Sunday the 16th morning, the wind is dead calm, glassy as it gets, but the swell drops to 3ft from the SW with a 15-second period. The energy is moderate. It’s good for a longboard or a fun shape, but won’t have the punch of the previous days. The afternoon gets a bit onshore and messy.

Monday the 17th is small again, 3ft SW swell, but the wind is glassy in the morning and cross-off in the afternoon, keeping it clean. The energy is lower, so think small but fun waves.

Then we hit a gap. Tuesday the 18th and Wednesday the 19th, the swell kicks up big time, but the wind goes cross-on and onshore, chopping it up. The combined energy is very strong, with Thursday the 20th still holding big 8ft SSW swell, but the wind is cross-on. This is big, powerful, and messy. For experienced surfers only, and even then, it’s not going to be pretty. The setup looks more interesting for kite surfing than paddle surfing.

Friday the 21st and Saturday the 22nd of August, the swell stays up around 7ft to 8ft from the SSW, but it’s still cross-on with light winds. The energy is strong, but the quality is marginal. Not the best.

Sunday the 23rd afternoon, we get another glassy window. The swell drops to 6ft from the SSW, period 14 seconds, and the combined energy is strong. Conditions are excellent for experienced surfers. This is another standout if you can wait it out.

The last few days, Monday the 24th to Thursday the 27th, the swell settles back to 4ft to 6ft, but the wind is onshore or cross-on for most of it, keeping it a bit average. Not much to write home about.

So, the best of the bunch is Friday the 14th morning through Saturday the 15th. Glassy, solid groundswell from the SSW, and that long period is going to make Hiliduha a proper reef wave. The Sunday the 23rd afternoon is also a good shout if you’re planning further out.

Stay stoked, and paddle hard.

Rusty

Short Range Forecast

Heavy rain (total 50mm), heaviest during Fri afternoon. Warm (max 28°C on Tue night, min 24°C on Fri afternoon). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 12mm), heaviest on Fri night. Warm (max 28°C on Sun afternoon, min 24°C on Fri night). Wind will be generally light.

Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
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
3
2
3
3
4
4
3
4
4
4
4
3
2
3
2
2
3
1
2
5
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
SSW
17
1.9
SSW
16
1.7
SSW
16
1.4
S
13
1.4
S
12
1.6
SSW
17
1.7
SSW
16
1.7
SSW
16
1.8
SSW
15
1.5
S
14
1.4
S
13
1.2
S
13
0.8
SW
15
1.2
S
14
0.9
SW
15
0.8
SW
14
0.8
SW
14
1.1
SW
18
1.4
SW
17
1.3
SW
20
2.4
SW
19
Wave Graph
Metric surfscale
Energy kJ
2064
1687
1358
643
603
1384
1482
1358
1441
880
694
480
313
565
309
251
297
727
1137
1223
3984
Wind (km/h)
10
ESE
10
SSE
10
SSW
5
SSE
5
SSW
5
NNE
5
NE
20
NW
15
NNE
5
NNE
5
NNW
5
N
0
N
5
SSE
5
SE
5
ENE
5
ENE
5
ESE
20
SE
15
SE
0
NNE
Wind State
cross-on
on
on
on
cross-on
glassy
glassy
cross-off
off
glassy
glassy
off
glassy
on
glassy
glassy
cross-off
cross
cross-on
cross-on
glassy
High Tide
5:36AM0.90m
6:05PM0.57m
6:20AM0.92m
6:46PM0.65m
6:59AM0.92m
7:24PM0.71m
7:35AM0.88m
8:02PM0.75m
8:09AM0.81m
8:39PM0.76m
8:41AM0.72m
9:15PM0.74m
9:10AM0.62m
9:53PM0.71m
Low Tide
12:25PM0.04m
11:42PM0.05m
12:57PM0.01m
00:28AM0.04m
1:26PM0.01m
1:11AM0.05m
1:53PM0.02m
1:52AM0.07m
2:18PM0.03m
2:31AM0.12m
2:42PM0.05m
3:10AM0.17m
3:06PM0.08m
3:51AM0.23m
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
mod rain
cloud
cloud
rain showers
clear
part cloud
rain showers
thunderstorm
part cloud
part cloud
part cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:28
6:28
6:28
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:37
6:37
6:37
6:36
6:36
 mm
1
1
8
4
3
10
6
11
7
1
1
3
8
Temp °C
28
28
28
28
28
27
26
25
26
26
27
27
27
28
27
27
28
27
28
28
27
Feels °C
31
32
32
32
32
32
31
27
28
29
31
30
31
31
31
31
32
31
30
31
32
  • 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 Hiliduha Surf forecast

The above surf forecast table for Hiliduha provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Hiliduha can be found by selecting the local surf guide option on the grey menu. Our Hiliduha 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 (Hiliduha) 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 Hiliduha 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.

Are you planning a holiday in Nias? If you are looking for accommodation near Hiliduha, camping, hotels and holiday cottages in Nias, consider staying in Afia which is 96 km (60 miles) away.

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