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Surf Forecasts:

La Cosa surfForecast / Tarapaca / Chile

information circle48hr Weather and Surf, issued 2 pm Friday 13 Mar 2026 -04
Forecast update in hr  min  s Forecast update imminent
La Cosa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's La Cosa sea temperature is
17.8° C
 (Which is 4.9°C colder than average for this time of year)

How big are the waves at La Cosa today?

The current surf forecast for La Cosa at 5PM is: 2.1m 19s primary swell from a Southwest direction and 0.2m 14s secondary swell from a West-northwest direction (forecast issued at 02:00pm March 13). The wind direction is predicted to be offshore and the swell rating is 5.

Time (-04) & DateWave HeightWave Period
Morning (13 Mar)--
Afternoon (13 Mar)7ft (2.1m)19s
Evening (13 Mar)7.5ft (2.3m)18s

Table - waves today at La Cosa. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Friday
13
Saturday
14
Sunday
15
Monday
16
12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM
Rating
(10 max)
4
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.5
SW
2.1
SW
2.2
SW
2.3
SW
2.3
SW
2.4
SW
2.4
SW
2.3
SW
2.3
SW
2.2
SW
2.1
SW
2.1
SW
2
SW
1.9
SW
1.9
SW
1.8
SW
1.8
SW
1.8
SW
1.6
SW
1.6
SW
1.6
SW
1.5
SW
1.5
SW
1.5
SW
Period(s) (?)191918181717171616161616161515151514141414141313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)161430113158312232353404328726782580240422122054185616501585144113251289109410641004804780769
Wind
(km/h)
10
WSW
10
SW
5
SW
0
SSW
0
S
5
SSE
5
S
5
SSW
10
SW
10
SW
10
SW
5
S
5
S
5
SW
5
S
10
SSW
10
SW
10
SW
10
SW
5
SSW
0
SW
5
S
5
SSW
5
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffglassglassglassglassglassoffoffoffglassglassglasscross-
off		offoffoffoffglassglassglasscross-
off		off
High Tide
/ height (m)
6:49PM
1.23
7:34AM
0.88
7:40PM
1.28
8:16AM
0.95
8:22PM
1.33
8:53AM
1.02
Low Tide
/ height (m)
11:43AM
0.65
2:00AM
0.56
12:52PM
0.60
2:37AM
0.51
1:45PM
0.55
3:08AM
0.45
Friday
13
Saturday
14
Sunday
15
Monday
16
Sunrise-------7:41-------7:43-------7:43
Sunset--7:57-------7:55-------7:54-----
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
Rain (mm)
------------------------
Temp. °C232323222222222224232321222222222323232222222222
Feels °C (?)242424252524242425242423242423232424242424242323
  • 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

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our La Cosa 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 La Cosa at:
surf-forecast.com

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