Arenillas Negras Surf Break

Lat Long: 18.50° S 70.32° W

Arenillas Negras Surf Forecast and Surf Report

Issued: 7 am 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Arenillas Negras sea temperature is
18.0° C
0.7° 

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 Jul 2026:

  • Best quality surf: Thursday 23 Jul, 8PM (local time) - 6ft (1.8m), 11s period, SW swell with glassy winds.
  • Most powerful swell: Thursday 23 Jul, 8AM (local time) - 5.5ft (1.7m), 12s period, SW swell with 786 kJ wave energy.
  • Next surfable swell (1★+): Friday 17 Jul, 8PM (local time) - 2.5ft (0.8m), 11s 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 Friday (Jul 17) at 8PM. The primary swell is predicted to be 0.8m and 11s period with a secondary swell of 0.6m and 13s. 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 1.7m 12s and forecast to arrive on Thursday (Jul 23) at 8AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Fri 17th Jul)2.5ft (0.8m) 11s
Best Surf 8PM (Thu 23rd Jul)6ft (1.8m) 11s
Most Powerful 8AM (Thu 23rd Jul)5.5ft (1.7m) 12s

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


Short Range Forecast

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

Days 4-6 Weather Summary

Mostly dry. Warm (max 20°C on Mon morning, min 15°C on Wed night). Wind will be generally light.

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
3
2
3
3
2
2
1
2
3
3
3
2
2
2
1
3
3
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SSW
12
0.9
SSW
11
1.2
SW
12
1.3
SW
11
1.2
SW
11
0.9
SSW
13
1.3
WSW
13
1.4
SW
12
1.4
WSW
12
1.1
WSW
11
1.3
WSW
11
1.3
WSW
12
1.1
WSW
12
1.1
WSW
12
1
WSW
11
1
WSW
11
1
WSW
11
1.3
SW
11
1.7
SW
11
1.8
SW
11
1.7
SW
11
Wave Graph
Metric surfscale
Energy kJ
378
227
389
422
330
277
497
578
527
302
372
451
341
336
243
226
218
361
721
756
701
Wind (km/h)
10
SW
5
SW
5
S
5
NW
5
WSW
5
SW
5
WNW
10
WSW
15
SSW
5
W
5
NW
0
E
10
N
10
SW
0
E
5
WSW
10
SW
5
NNE
5
WSW
10
SW
5
NNW
Wind State
on
on
glassy
cross
glassy
glassy
cross-on
on
on
cross-on
glassy
glassy
cross-off
on
glassy
glassy
on
glassy
glassy
on
glassy
High Tide
11:15AM1.35m
11:51PM0.84m
12:01PM1.25m
00:45AM0.87m
12:47PM1.12m
1:43AM0.90m
1:34PM0.99m
2:43AM0.93m
2:25PM0.86m
3:46AM0.96m
3:24PM0.76m
4:49AM1.00m
4:32PM0.68m
Low Tide
6:02PM0.10m
5:26AM0.20m
6:46PM0.13m
6:24AM0.28m
7:28PM0.16m
7:27AM0.36m
8:10PM0.20m
8:40AM0.42m
8:55PM0.24m
10:04AM0.46m
9:41PM0.27m
11:31AM0.45m
10:32PM0.29m
clear
clear
clear
clear
clear
clear
clear
clear
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>
7:13
7:13
7:13
7:11
7:11
7:11
7:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:21
6:22
6:22
6:22
6:22
6:22
6:22
 mm
Temp °C
17
19
16
19
20
17
19
21
18
20
20
18
19
20
17
18
19
16
17
19
16
Feels °C
16
19
17
19
19
18
19
20
18
19
19
18
17
18
18
18
18
17
17
19
16
  • 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 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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