Hilisataro Surf Break

Lat Long: 0.62° N 97.87° E

Hilisataro Surf Forecast and Surf Report

Issued: 6 am 23 Jul 2026 (local time)

Forecast update in  hr  min

Today's Hilisataro sea temperature is
30.1° C
0.9° 

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


Hilisataro surf forecast from 23 Jul 2026:

  • Best quality surf: Wednesday 29 Jul, 10PM (local time) - 3ft (0.9m), 14s period, SSW swell with glassy winds.
  • Most powerful swell: Thursday 30 Jul, 10AM (local time) - 3ft (0.9m), 19s period, SW swell with 627 kJ wave energy.
  • Next surfable swell (1★+): Saturday 25 Jul, 1AM (local time) - 4.5ft (1.4m), 10s period with S swell.

Best Forecast Surf Conditions for Hilisataro this week:

The surf forecast for Hilisataro over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jul 25) at 1AM. The primary swell is predicted to be 1.4m and 10s period with a secondary swell of 0.6m and 15s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hilisataro in the next 16 days are 0.9m 19s and forecast to arrive on Thursday (Jul 30) at 10AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (WIB) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sat 25th Jul)4.5ft (1.4m) 10s
Best Surf10PM (Wed 29th Jul)3ft (0.9m) 14s
Most Powerful10AM (Thu 30th Jul)3ft (0.9m) 19s

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


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s coming up for Hilisataro over the next couple of weeks.

Right now, the surf is pretty flat, so we’ve got a bit of a gap to wait through. The first real chance to get wet won’t be until Saturday the 25th of July, but even then it’s small. The standout period is definitely the second week, from late July right into early August, when the swell really kicks in and the conditions line up.

For the first few days, Thursday the 23rd and Friday the 24th are write-offs. The swell is tiny and the wind is all onshore or cross-on, making for poor, messy conditions. You’d be wasting your time.

Things start to look up on Saturday the 25th of July. The morning is still a bit messy with a cross-shore breeze, but the afternoon turns glassy. We’re looking at a clean 4ft south swell, period around 10 seconds. The combined energy is moderate (510). It’s not big, but it’s clean and rideable. Sunday the 26th continues the trend with a glassy morning, 4ft south swell (469), perfect for a longboard or a funboard. The water temp is sitting at 86°, which is about average for this time of year, so no wetsuit needed.

The real magic starts to brew towards the end of the month. From the 30th of July, the swell direction shifts to the southwest and the period jumps right up. Thursday the 30th sees a 3ft to 3ft SW groundswell with a period of 18 to 19 seconds. That’s a very long period, and it’s glassy all day. The energy is getting strong (943 to 948). This is the kind of swell that will wrap into Hilisataro with real power and shape. This is a reef break, so a long period SW groundswell is exactly what it wants.

The absolute peak of this run looks like Saturday the 1st of August. The morning brings a clean 5ft SW swell with a 18-second period, glassy conditions, and a combined energy of 1572. That’s a strong, powerful swell. This is for experienced surfers only – over 5ft and it’s too much for beginners. The afternoon stays glassy and calm at 5ft. This is the best on offer for the whole forecast.

The standout without a doubt is Hilisataro on Saturday the 1st of August. We’ve got a solid 5ft SW groundswell (18s period), with glassy conditions all morning. The energy is strong (1572). It’s going to be clean, powerful, and lined up. This is a day for the advanced crew. It’s a reef break that’s fairly consistent and fairly exposed to the SW, so it’ll be handling that swell well. Just be aware that crowds are possible here, so get in early.

The surf stays good right through to the 7th of August, with excellent conditions for experienced surfers on the 3rd and 4th, pushing up to 6ft and 7ft on the 4th. That’s big, powerful stuff with massive energy (2526), and only for experts. The wind stays light and mostly glassy or cross-offshore through this whole period. The long-range stuff from the 7th is still promising, but a bit less certain.

So, to sum it up: wait through the flat start, enjoy the small clean waves on the weekend of the 25th, but clear your calendar for the 1st of August. That’s the one.

Rusty.

Short Range Forecast

Moderate rain (total 17mm), heaviest on Fri night. Warm (max 28°C on Thu morning, min 26°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 18mm), heaviest on Tue night. Warm (max 28°C on Mon afternoon, min 26°C on Sun night). Wind will be generally light.

Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
1
1
2
1
2
2
2
1
2
2
2
2
2
2
2
2
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
12
0.9
S
9
1.4
S
11
1.5
S
11
1.5
S
11
1.4
S
10
1.3
S
10
1.2
S
10
1.2
S
10
1.1
S
10
0.8
SW
14
1
S
10
0.9
S
10
0.8
S
10
0.5
SW
16
0.7
SW
16
0.7
SW
15
0.8
SW
15
0.9
SSW
15
0.9
SSW
15
0.9
SW
14
Wave Graph
Metric surfscale
Energy kJ
167
142
451
498
517
394
346
284
296
234
218
190
158
132
130
255
232
266
382
372
338
Wind (km/h)
10
SE
10
SE
10
SE
10
ESE
10
SSE
5
SSE
5
ENE
5
SSE
5
WSW
0
SW
5
SW
0
W
0
SSW
5
WSW
5
WNW
5
NNW
5
W
5
WSW
5
SSE
5
SSW
5
S
Wind State
on
on
on
on
cross-on
glassy
cross
glassy
glassy
glassy
cross
glassy
glassy
cross-off
cross-off
glassy
glassy
glassy
glassy
glassy
glassy
High Tide
12:05PM0.41m
1:55AM0.62m
1:42PM0.36m
3:08AM0.64m
3:27PM0.35m
4:10AM0.67m
4:36PM0.38m
4:58AM0.71m
5:23PM0.42m
5:37AM0.76m
6:00PM0.47m
6:12AM0.81m
6:33PM0.52m
Low Tide
5:53PM0.20m
9:53AM0.31m
7:00PM0.22m
11:02AM0.26m
8:26PM0.21m
11:36AM0.21m
9:40PM0.19m
12:02PM0.16m
10:34PM0.16m
12:27PM0.13m
11:18PM0.12m
12:51PM0.10m
11:57PM0.10m
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
rain showers
thunderstorm
part cloud
rain showers
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:30
6:30
6:30
6:30
6:30
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:38
6:38
6:38
6:38
6:38
6:38
6:38
 mm
1
1
2
5
2
6
2
1
3
2
5
1
4
1
3
Temp °C
28
28
27
28
28
27
28
28
27
27
27
26
27
28
27
28
28
27
28
28
27
Feels °C
31
31
30
32
32
31
32
33
31
31
30
30
31
32
31
32
32
31
32
32
31
  • 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 Hilisataro Surf forecast

The above surf forecast table for Hilisataro provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Hilisataro can be found by selecting the local surf guide option on the grey menu. Our Hilisataro 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 (Hilisataro) 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 Hilisataro 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 Hilisataro, camping, hotels and holiday cottages in Nias, consider staying in Afia which is 92 km (57 miles) away.

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