Hiliduha Surf Break

Lat Long: 0.56° N 97.81° E

Hiliduha Surf Forecast and Surf Report

Issued: 6 am 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Hiliduha sea temperature is
30.0°C
0.9° 

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


Hiliduha surf forecast from 14 Sep 2026:

  • Best quality surf: Monday 14 Sep, 10AM (local time) - 6ft (1.8m), 15s period, SW swell with cross-offshore winds.
  • Most powerful swell: Sunday 20 Sep, 1AM (local time) - 6ft (1.9m), 16s period, SW swell with 1,964 kJ wave energy.
  • Next surfable swell (1★+): Monday 14 Sep, 10AM (local time) - 6ft (1.8m), 15s period with SW 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 Monday (Sep 14) at 10AM. The primary swell is predicted to be 1.8m and 15s period with a secondary swell of 0.9m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Hiliduha in the next 16 days are 1.9m 16s and forecast to arrive on Sunday (Sep 20) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Friday (Sep 18) at 1PM.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+)10AM (Mon 14th Sep)6ft (1.8m) 15s
Best Surf10AM (Mon 14th Sep)6ft (1.8m) 15s
Most Powerful 1AM (Sun 20th Sep)6ft (1.9m) 16s

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


The Lowdown

Alright folks, Rusty here. We’ve got a solid run of swell heading our way to Hiliduha over the next couple of weeks. This is a proper reef break, so it’s one for the advanced crew only. The water temp is about average for this time of year, so nothing too wild there.

The action kicks off Monday the 14th of September. We’re looking at a strong SW groundswell pushing through, with a hefty 1485 combined energy reading. Swell heights are sitting around 6ft with a long 15-second period, which is going to produce some proper shaped waves. The wind is a light cross-off from the NNE, keeping things clean. Monday afternoon sees the period stretch to 16 seconds and the energy jumps to 1794, with a light WNW breeze. This is excellent, powerful surf, but it’s only for those with the experience to handle it.

Tuesday the 15th is a standout morning. We’ve got glassy conditions with an ENE breeze, that same 6ft SW swell, and a 15-second period. The energy is still strong at 1432. It doesn’t get much cleaner than this for a powerful reef break. Tuesday afternoon the wind swings to a light cross-on from the SW, so it’s not as good.

Wednesday the 16th is a bit of a mixed bag. The morning is a write-off with a cross-on SSE wind and the swell dropping to 5ft. But the afternoon turns glassy again, with a 5ft SW swell at 14 seconds. The energy dips a bit to 1079, but those clean, glassy conditions will still offer some fun, albeit smaller waves.

Thursday and Friday see a drop in size and consistency, with the wind being a bit of a pest. Saturday the 19th is a complete loss with strong onshore winds and poor conditions.

Then we get the real prize. Sunday the 20th of September. This is the one to circle. The morning is glassy with an easterly breeze, and the swell builds back to 6ft from the SW, with a 16-second period. The energy is a massive 1634. The afternoon is even better, still glassy with a 6ft SW swell and 1754 energy. This is going to be incredible. The reef will be handling all that power, and with no wind, it’s going to be a session to remember. Expect some crowds though, as this is a known spot.

The following week has more promising windows. Monday the 21st morning is glassy with a 6ft SSW swell. Tuesday the 22nd morning is glassy but much smaller at 3ft. The big news is Sunday the 27th of September. The morning is dead calm, glassy, with a 5ft SSW groundswell and a 15-second period, and a solid 1582 energy reading. Then Sunday afternoon the period jumps to a massive 20 seconds and the energy rockets to 2768, with a 5ft swell. The wind is a light cross-on, but with that kind of long-period groundswell, the waves will be powerful and well-shaped at this reef.

Finally, Monday the 28th of September has some size. The morning is a bit tricky with a cross-shore wind and 7ft SSW swell, but the afternoon turns glassy with a 7ft SSW swell and 2516 energy. This is big, powerful, and only for experts.

The best of the best is undoubtedly the 20th of September. Perfect conditions, solid swell, and glassy all day. The 27th also has a monster groundswell, but the wind is a little less ideal.

Rusty

Short Range Forecast

Heavy rain (total 26mm), heaviest during Mon morning. Warm (max 28°C on Tue morning, min 26°C on Mon morning). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 48mm), heaviest during Fri morning. Warm (max 28°C on Thu afternoon, min 25°C on Fri night). Wind will be generally light.

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
3
4
4
3
4
2
3
3
2
2
2
2
2
2
1
2
3
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)
1.8
SW
15
1.8
SW
16
1.9
SW
16
1.8
SW
15
1.7
SW
15
1.6
SW
14
1.5
SW
14
1.5
SW
14
1.4
SW
14
1.6
SW
14
1.6
SW
15
1.6
SW
16
1
SSW
13
1.2
SW
14
1.2
SW
14
1.1
SW
18
1.5
SW
17
1.9
SW
16
1.9
SW
16
1.9
SW
16
1.8
SSW
15
Wave Graph
Metric surfscale
Energy kJ
1399
1664
1761
1380
1254
1031
915
928
857
1016
1163
1208
351
614
589
694
1297
1964
1845
1672
1487
Wind (km/h)
5
NE
5
W
5
NNW
0
E
10
SSW
5
SSW
10
SSE
10
S
10
S
10
SE
10
SSE
15
SSE
5
SE
20
NW
20
WNW
15
SSW
15
S
10
E
10
E
10
ESE
5
E
Wind State
cross-off
cross
cross-off
glassy
cross-on
glassy
cross-on
on
on
cross-on
on
cross-on
cross-on
cross-off
cross-off
on
on
cross
cross
cross-on
glassy
High Tide
8:02PM0.82m
8:06AM0.64m
8:33PM0.79m
8:31AM0.56m
9:05PM0.73m
8:54AM0.48m
9:41PM0.66m
9:11AM0.41m
10:26PM0.59m
9:14AM0.35m
11:47PM0.54m
1:55AM0.54m
Low Tide
1:30PM0.02m
2:08AM0.09m
1:53PM0.04m
2:41AM0.13m
2:16PM0.06m
3:16AM0.18m
2:39PM0.10m
3:56AM0.24m
3:04PM0.14m
4:57AM0.30m
3:33PM0.20m
4:23PM0.26m
thunderstorm
thunderstorm
part cloud
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
cloud
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
6:20
6:20
6:18
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:27
6:27
6:25
6:25
6:25
6:24
 mm
7
2
4
2
2
9
1
12
12
6
13
4
Temp °C
27
27
26
28
28
28
28
28
27
27
28
27
26
26
26
26
26
26
28
28
27
Feels °C
32
31
30
33
31
32
31
31
30
29
31
30
30
27
28
29
29
30
31
30
30
  • 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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