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Surf Forecasts:

Arenillas Negras surfForecast / Atacama / Chile

information circle12 Day Weather and Surf, issued 2 am Tuesday 21 Oct 2025 -04
Forecast update in hr  min  s Forecast update imminent
Arenillas Negras surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Arenillas Negras sea temperature is
16.0° C
 (Which is 2.9°C colder than average for this time of year)

Best Forecast Surf Conditions for Arenillas Negras this week:

The surf forecast for Arenillas Negras over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 21) at 9AM. The primary swell is predicted to be 1.0m and 11s period with a secondary swell of 0.4m and 16s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Arenillas Negras in the next 12 days are 2.0m 14s and forecast to arrive on Sunday (Oct 26) at 9AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Tue 21st Oct)3.5ft (1.0m) 11s
Best Surf 9PM (Sat 25th Oct)6ft (1.8m) 16s
Most Powerful 9AM (Sun 26th Oct)6.5ft (2.0m) 14s

Table - best surf conditions forecast for Arenillas Negras over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 20°C on Thu afternoon, min 16°C on Tue morning). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Fri morning, min 16°C on Fri night). Wind will be generally light.

Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
0
2
2
1
3
3
1
3
3
1
2
2
3
4
4
2
4
4
1
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
SSW
0.9
SSW
0.8
SSW
0.5
SSW
0.9
SSW
1.2
SSW
1.2
SSW
1.3
SSW
1.2
SSW
1.2
SW
1.4
SSW
1.3
SSW
1.2
SSW
1.7
SSW
1.8
SW
2
SSW
2
SSW
2
SSW
1.8
SSW
1.8
SSW
1.6
SSW
Period(s) (?)111010171716141413131212111615141414131111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)234182125172510641515569451486563488341137315111667162113901100829606
Wind
(km/h)
5
SSW
10
WSW
0
WSW
5
WSW
15
WSW
0
SW
5
WSW
15
WSW
5
W
0
ESE
15
WSW
10
SSW
5
S
10
SW
5
S
5
WSW
15
SW
5
SSW
0
SW
15
WSW
0
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassonglassglassonglassglassonglassglassoncross-
on		cross-
on		onglassglassonglassglassonglass
High Tide
/ height (m)
9:56AM
0.96
10:23PM
1.16
10:28AM
0.90
10:54PM
1.18
11:00AM
0.83
11:25PM
1.18
11:32AM
0.78
11:58PM
1.16
12:06PM
0.72
12:33AM
1.13
12:45PM
0.67
1:13AM
1.09
1:34PM
0.63
2:01AM
1.05
Low Tide
/ height (m)
3:55PM
0.20
4:45AM
0.26
4:20PM
0.22
5:24AM
0.28
4:44PM
0.25
6:03AM
0.31
5:09PM
0.28
6:45AM
0.34
5:36PM
0.32
7:31AM
0.38
6:05PM
0.37
8:26AM
0.40
6:40PM
0.41
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Sunrise7:07--7:07--7:05--7:05--7:05--7:03--7:03--
Sunset-7:44--7:44--7:44--7:45--7:45--7:45--7:45-
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C181916181916192017191917191916191917192017
Feels °C (?)181816171817191918181818181817181818181918
  • 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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Eyeball surf reportRecent Eyeball Surf Reports for Atacama

  1. weather stationWind Update Wind reports 2 km away suggest it is still onshore at Arenillas Negras (light winds from the SSW at Defensa Civil- Arica). 1.1m 11s groundswell from the SSW with a 0.3m 16s long period groundswell from the SW. 2 swells combining to make bigger set waves.

    1 hour 57 minutes ago Arenillas Negras
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1 h 57 min ago

14 km/h
SSW
Onshore
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Arenillas Negras surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Arenillas Negras at:
surf-forecast.com

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 12 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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