Arenillas Negras Surf Break

Lat Long: 18.50° S 70.32° W

Arenillas Negras Surf Forecast and Surf Report

Issued: 7 pm 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Arenillas Negras sea temperature is
18.4° C
1.5° 

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


Arenillas Negras surf forecast from 17 Aug 2026:

  • Best quality surf: Monday 17 Aug, 2PM (local time) - 4ft (1.2m), 14s period, SW swell with glassy winds.
  • Most powerful swell: Tuesday 18 Aug, 2PM (local time) - 6ft (1.8m), 13s period, SW swell with 1,060 kJ wave energy.
  • Next surfable swell (1★+): Monday 17 Aug, 2PM (local time) - 4ft (1.2m), 14s period with SW swell.

Best Forecast Surf Conditions for Arenillas Negras this week:

The surf forecast for Arenillas Negras over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 2PM. The primary swell is predicted to be 1.2m and 14s period with a secondary swell of 0.6m and 9s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Arenillas Negras in the next 16 days are 1.8m 13s and forecast to arrive on Tuesday (Aug 18) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 8s period and expected on Monday (Aug 17) at 8PM.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Mon 17th Aug)4ft (1.2m) 14s
Best Surf 2PM (Mon 17th Aug)4ft (1.2m) 14s
Most Powerful 2PM (Tue 18th Aug)6ft (1.8m) 13s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Mon night. Very mild (max 19°C on Wed afternoon, min 16°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 21°C on Fri afternoon, min 15°C on Wed night). Wind will be generally light.

Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
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
2
2
3
2
2
3
3
2
3
3
1
2
2
1
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SW
15
1.1
SW
14
1.1
SW
14
1.1
SW
14
1.7
WSW
13
1.8
SW
13
1.6
SW
13
1.6
SW
12
1.6
SW
12
1.4
SW
12
1.4
SSW
9
1.3
SSW
9
0.9
SW
14
0.8
SW
13
1
SSW
8
1
SSW
9
1.1
SSW
9
1.2
SSW
10
1.3
SSW
10
Wave Graph
Metric surfscale
Energy kJ
595
466
464
466
932
1044
809
706
678
533
327
253
350
215
140
154
194
269
365
Wind (km/h)
5
SSW
10
SW
10
NNE
5
SSW
5
W
10
WSW
5
SSW
10
WSW
10
SW
5
SW
5
W
5
SW
0
WNW
5
W
5
W
0
WNW
5
WNW
5
W
5
NE
Wind State
cross-on
on
off
on
cross-on
on
on
on
on
glassy
cross-on
glassy
glassy
cross-on
glassy
glassy
cross-on
glassy
glassy
High Tide
00:10AM0.98m
12:13PM1.00m
00:58AM0.99m
12:56PM0.87m
1:51AM0.98m
1:42PM0.76m
2:52AM0.97m
2:42PM0.67m
3:59AM0.98m
4:01PM0.62m
5:07AM1.00m
5:25PM0.61m
Low Tide
6:08AM0.27m
6:34PM0.19m
7:06AM0.35m
7:10PM0.24m
8:13AM0.41m
7:50PM0.30m
9:35AM0.45m
8:39PM0.34m
11:07AM0.45m
9:41PM0.37m
12:23PM0.42m
10:49PM0.36m
part cloud
cloud
light rain
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
6:58
6:58
6:56
6:56
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:30
6:30
6:30
6:30
6:31
 mm
3
3
Temp °C
18
17
17
18
18
18
18
18
19
17
18
20
17
20
21
17
19
21
18
Feels °C
19
17
18
16
18
17
18
18
18
18
18
19
18
20
21
18
19
21
19
  • Map Icons:
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  • 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 Arenillas Negras Surf forecast

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

Arenillas Negras is 3 km (2 miles) from the city of Arica. If you plan a holiday in Atacama, look for hotels and other accommodation in Arica. Arica has rooms for a wide range of budgets as well as car hire and transport links.

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