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Surf Forecasts:

Andromeda surfForecast / Antofagasta / Chile

information circle12 Day Weather and Surf, issued 2 am Thursday 18 Sep 2025 -04
Forecast update in hr  min  s Forecast update imminent
Andromeda surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Andromeda sea temperature is
15.2° C
 (Which is slightly cooler than normal)

Best Forecast Surf Conditions for Andromeda this week:

The surf forecast for Andromeda over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 19) at 6AM. The primary swell is predicted to be 0.8m and 11s period with a secondary swell of 0.4m and 5s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Andromeda in the next 12 days are 1.1m 12s and forecast to arrive on Saturday (Sep 20) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Fri 19th Sep)2.5ft (0.8m) 11s
Best Surf 3AM (Sat 20th Sep)3.5ft (1.1m) 12s
Most Powerful 3AM (Sat 20th Sep)3.5ft (1.1m) 12s

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

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

Short Range Forecast Mostly dry. Very mild (max 19°C on Thu morning, min 14°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Mon afternoon, min 13°C on Mon night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
1
1
1
2
0
0
1
0
1
2
0
2
2
0
1
2
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
SW
1.1
SW
0.8
SW
0.8
SW
0.9
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
1.3
SW
1.3
SW
1.3
SW
1.3
SW
1.3
SW
1.1
SW
1
SW
0.6
SW
0.9
SW
0.5
SW
0.8
SW
0.6
SW
Period(s) (?)111111111012111178889101091491388
Wave
Graph
(?)Metric surfscale
Energy kJ (?)245268137147160343320303112205188198235299231164149126837746
Wind
(km/h)
10
SSW
15
SW
10
S
5
SW
10
WSW
10
SSW
5
SE
15
SW
15
SSW
10
SSW
20
SW
15
SSW
5
SSW
10
WSW
0
SSW
0
SSW
15
SW
10
SSW
5
SSW
10
WSW
5
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		crossglasscross-
on		crosscross-
off		cross-
on		cross-
on		cross-
on		cross-
on		crossglasscross-
on		glassglasscross-
on		crossglasscross-
on		glass
High Tide
/ height (m)
8:47PM
1.09
8:49AM
1.30
9:32PM
1.17
9:30AM
1.30
10:11PM
1.23
10:07AM
1.29
10:48PM
1.27
10:40AM
1.25
11:22PM
1.28
11:10AM
1.21
11:56PM
1.27
11:40AM
1.16
12:29AM
1.23
Low Tide
/ height (m)
2:39PM
0.30
2:35AM
0.41
3:19PM
0.24
3:23AM
0.38
3:55PM
0.20
4:06AM
0.37
4:28PM
0.18
4:44AM
0.38
4:59PM
0.18
5:20AM
0.41
5:28PM
0.20
5:55AM
0.45
5:58PM
0.24
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Sunrise7:35--7:33--7:33--7:31--7:31--7:30--7:28--
Sunset-7:36--7:36--7:36--7:37--7:37--7:37--7:37-
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
Rain (mm)
---------------------
Temp. °C191916191815191817181817181914191917211917
Feels °C (?)171715181714171615151615161714181716201817
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Antofagasta

  1. weather stationWind Update The wind is still cross-on at Andromeda (light winds from the SW at Antofagasta 20 km from Andromeda). 1.0m 12s groundswell from the SW with a 0.2m 16s long period groundswell, also from the SW. 2 swells combining to make bigger set waves.

    3 hours 13 minutes ago Andromeda
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20 km away, 3 h 13 min ago

11 km/h
SW
0.0
15.2
Air / Water (°C)
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 Andromeda 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 Andromeda at:
surf-forecast.com

Information about the Andromeda Surf forecast

The above surf forecast table for Andromeda provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Andromeda can be found by selecting the local surf guide option on the grey menu. Our Andromeda 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 (Andromeda) 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 Andromeda 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 Antofagasta? If you are looking for accommodation near Andromeda, camping, hotels and holiday cottages in Antofagasta, consider staying in Antofagasta which is 5 km (3 miles) away. Alternatively, find information about places to stay and car hire in Mejillones which is 58 km (36 miles) away

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