
Surf Forecasts:
Hiliduha surf forecast from 30 Jul 2026:
- Best quality surf: Friday 31 Jul, 7AM (local time) - 4.5ft (1.3m), 18s period, SW swell with glassy winds.
- Most powerful swell: Thursday 6 Aug, 7AM (local time) - 6ft (1.9m), 18s period, SSW swell with 2,162 kJ wave energy.
- Next surfable swell (1★+): Friday 31 Jul, 7AM (local time) - 4.5ft (1.3m), 18s 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 Friday (Jul 31) at 7AM. The primary swell is predicted to be 1.3m and 18s period with a secondary swell of 0.8m and 13s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Hiliduha in the next 16 days are 1.9m 18s and forecast to arrive on Thursday (Aug 06) at 7AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Tuesday (Aug 04) at 10PM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Fri 31st Jul) | 4.5ft (1.3m) 18s |
| Best Surf | 7AM (Fri 31st Jul) | 4.5ft (1.3m) 18s |
| Most Powerful | 7AM (Thu 6th Aug) | 6ft (1.9m) 18s |
Table - best surf conditions forecast for Hiliduha over the next 16 days.
The Lowdown
Right, grab your board, let's look at what's coming. We're focusing on Hiliduha, a reef setup that takes a fair bit of experience to handle.
Alright, first things first – the water temperature is sitting at 86°, which is about 1° warmer than the yearly average. Nothing wild, just a touch of extra tropical warmth in the water.
Now, we've got a bit of a quiet start. Thursday the 30th of July through to Saturday the 1st of August is pretty tame. Swell's there, around 3ft to 5ft from the southwest, but the wind is all wrong – cross-onshore or a messy cross. The wave energy is moderate, sitting between 899 to 1227, but the surface is choppy or wind-rippled. Not worth paddling out for anything special.
The first real glimmer of hope comes on Sunday morning, the 2nd of August. The wind goes glassy, just a slight air, and the swell holds at a clean 4ft from the southwest. Wave energy is solid at 1104. That's the kind of early morning window where you’ll get some fun little runners without the hassle of bumpy water. It's for the experienced crew though – the reef bottom doesn't forgive mistakes.
Monday the 3rd and Tuesday the 4th keep things interesting. The swell stays around 4ft to 5ft, and we finally get a cross-offshore breeze from the northwest. The wave energy jumps up to 1380 to 1479. The afternoon sessions might get a bit stormy, but the mornings look clean. For a reef break that demands respect, this is a nice little window for the guys who know where to sit.
Now, Wednesday the 5th into Thursday the 6th of August is where the energy starts to build. On Thursday morning, we’ve got 6ft from the south-southwest, offshore wind from the north-northwest, and wave energy cranking to 2756. That's a serious boost in power. The surface will be clean and the sets will have some punch.
Friday the 7th of August is the first real standout. Morning sees 6ft from the south-southwest with a light cross-offshore breeze from the northwest. Wave energy is sitting at 1906, and it's described as excellent. Then Friday afternoon, it bumps up to 7ft, still from the south-southwest, energy hits 2386, and the wind holds. This is the day for the experienced locals to get a session in. The reef is exposed to this swell direction, and the quality is there.
Saturday the 8th also delivers. Morning has 7ft from the south-southwest, a clean offshore breeze from the north, and wave energy at 2134. Afternoon drops a touch to 6ft but keeps the offshore flow. Two solid days in a row.
After that, things settle a bit. Sunday the 9th and Monday the 10th still have some size around 4ft to 6ft, but the wind gets a bit more cross-offshore, and the energy starts to drop. Still clean, but not as powerful.
Then we hit a bit of a lull from Tuesday the 11th up to Wednesday the 12th. Swell drops to 5ft, period is shorter around 13 to 14 seconds, and the wind turns cross-shore and builds to a moderate breeze. It gets choppy and messy. Wave energy dips to 948 to 1253. The afternoon on Tuesday is described as poor.
Hold on for the big finish. Thursday the 13th of August morning brings a swell of 6ft from the south-southwest, but the period is a massive 22 seconds. Wave energy jumps to 3420. That is a very long period groundswell. It's going to have serious push and long lulls between sets. This setup loves Hiliduha as a reef break – it's the kind of energy that wraps in and shapes up heavy. The morning has a gentle cross-shore, slight chop, so it's manageable. The afternoon builds to 8ft with a 20-second period and wave energy at 5047, but it goes cross-onshore, so it'll be a bit lumpy.
Friday the 14th of August is the biggest. 10ft from the south-southwest. Wave energy is massive at 5148 in the morning, 4437 in the afternoon. That's serious ocean. The period stays above 17 seconds. This is expert territory only – too big for anyone who isn't comfortable in heavy water. The wind is light cross-shore, which will keep it from getting too blown out, but at this size, the reef will be handling a lot of water.
So, the standout runs are Friday the 7th and Saturday the 8th of August. Consistent energy, clean surface, solid southwest groundswell at head-high to a bit overhead. That’s your call to arms.
Rusty.
Short Range ForecastModerate rain (total 15mm), heaviest on Thu night. Warm (max 29°C on Fri afternoon, min 27°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 62mm), heaviest during Tue afternoon. Warm (max 29°C on Sun afternoon, min 25°C on Tue morning). Winds increasing (light winds from the WSW on Sun afternoon, fresh winds from the WNW by Tue afternoon). | |||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | ||||||||||||||||||||
Wave Height (m) Direction Period (s) | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 17 | SW 17 | SW 16 | SW 16 | SSW 18 | SW 16 | SW 15 | SW 15 | SSW 14 | SW 16 | SW 16 | SW 16 | SSW 15 | SSW 15 | SW 19 |
Wave Graph | ||||||||||||||||||||
649 | 694 | 663 | 589 | 728 | 1050 | 1172 | 1001 | 783 | 589 | 1005 | 893 | 869 | 700 | 610 | 1239 | 1208 | 1014 | 1042 | 1426 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | on | glassy | glassy | cross-on | glassy | glassy | cross-on | cross | cross-off | cross-off | cross-off | off | cross-off | cross | cross-off | cross-off | cross-off |
High Tide | 7:01PM0.55m | 7:09AM0.84m | 7:32PM0.60m | 7:37AM0.84m | 8:04PM0.64m | 8:05AM0.81m | 8:36PM0.67m | 8:34AM0.77m | 9:11PM0.69m | 9:04AM0.70m | 9:51PM0.70m | 9:38AM0.62m | 10:39PM0.69m | |||||||
Low Tide | 00:30AM0.09m | 1:37PM0.06m | 1:06AM0.10m | 2:01PM0.06m | 1:41AM0.11m | 2:25PM0.05m | 2:18AM0.14m | 2:51PM0.05m | 2:59AM0.17m | 3:19PM0.06m | 3:45AM0.21m | 3:51PM0.08m | ||||||||
— | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | |
6:38 | — | — | 6:38 | — | — | 6:38 | — | — | 6:38 | — | — | 6:38 | — | — | 6:38 | — | — | 6:38 | — | |
mm | 1 | 7 | — | — | 4 | — | 1 | 2 | — | 2 | 13 | 10 | 3 | 6 | 4 | 14 | 7 | 3 | 3 | — |
Temp °C | 28 | 28 | 28 | 29 | 28 | 28 | 29 | 28 | 28 | 29 | 28 | 27 | 28 | 26 | 25 | 25 | 26 | 27 | 28 | 27 |
Feels °C | 31 | 32 | 32 | 33 | 32 | 33 | 33 | 33 | 33 | 33 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 17 | SW 17 | SW 16 | SW 16 | SW 15 | SW 16 | SW 15 | SW 15 | SSW 14 | W 11 | SW 16 | W 11 | W 11 | W 10 | SW 19 |
649 | 694 | 663 | 589 | 728 | 1050 | 1172 | 1001 | 783 | 472 | 1005 | 893 | 869 | 700 | 403 | 1239 | 694 | 573 | 514 | 1426 | |
Swell 2 Height (m) Direction Period (s) | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | WNW 9 | S 7 | SSW 19 | SSW 18 | S 9 | S 8 | S 9 | S 7 | SSW 13 | W 11 | SW 16 | SSW 15 | SSW 15 | W 10 |
253 | 273 | 225 | 307 | 195 | 150 | 28 | 37 | 295 | 589 | 55 | 49 | 53 | 34 | 479 | 535 | 1208 | 1014 | 1042 | 363 | |
Swell 3 Height (m) Direction Period (s) | S 8 | S 8 | S 7 | WNW 10 | SW 20 | WNW 9 | S 7 | WNW 9 | S 7 | S 9 | WNW 9 | WNW 9 | WNW 9 | SW 18 | SW 16 | S 6 | S 8 | SSW 22 | SSW 20 | SSW 14 |
33 | 29 | 27 | 52 | 186 | 28 | 14 | 28 | 26 | 57 | 27 | 25 | 26 | 194 | 610 | 13 | 20 | 181 | 500 | 487 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 5 | — | W 10 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 35 | — | 679 | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 172 | 22 | 22 | 74 | 0 | 0 | 22 | 0 | 0 | 10 | 10 | 0 | 10 | 10 | 0 | 10 | 259 | 0 | 10 | 0 |
Best forecast wave conditions in Nias | ||||||||||||||||||||
Best forecast wave conditions in Indonesia | ||||||||||||||||||||
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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.











