Cahuil surfForecast / Santiago / Chile

information circle16 Day Weather and Surf, issued 7 am Thursday 28 May 2026 -04
Forecast update in hr  min  s Forecast update imminent
Cahuil surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cahuil sea temperature is
12.7° C
(Which is 1.4°C colder than average for this time of year)

Cahuil surf forecast from 28 May 2026:

  • Best quality surf: Friday 29 May, 5AM (local time) - 5ft (1.5m), 19s period, SW swell with cross-offshore winds.
  • Most powerful swell: Friday 29 May, 2PM (local time) - 7ft (2.1m), 17s period, SW swell with 2,592 kJ wave energy.
  • Next surfable swell (1★+): Friday 29 May, 5AM (local time) - 5ft (1.5m), 19s period with SW swell.

Best Forecast Surf Conditions for Cahuil this week:

The surf forecast for Cahuil over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 29) at 5AM. The primary swell is predicted to be 1.5m and 19s period with a secondary swell of 1.6m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Cahuil in the next 16 days are 2.1m 17s and forecast to arrive on Friday (May 29) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 29th May)5ft (1.5m) 19s
Best Surf 5AM (Fri 29th May)5ft (1.5m) 19s
Most Powerful 2PM (Fri 29th May)7ft (2.1m) 17s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 20°C on Sat afternoon, min 12°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 19°C on Tue afternoon, min 11°C on Sun night). Wind will be generally light.

Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
3
3
3
2
4
3
4
3
3
3
3
4
4
4
4
2
4
3
3
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
W
13
2.1
W
12
1.2
SW
19
2
SW
17
2.1
SW
17
2.4
SW
15
2
SW
15
1.8
SW
14
1.5
SW
14
1.3
SW
13
1.1
SW
12
0.9
SW
18
1.6
SW
18
1.3
SW
16
1.4
SW
16
1.1
SW
18
1.1
SW
15
1.3
SW
16
1.5
WSW
17
1.8
SW
16
1.9
WSW
16
Wave Graph
Metric surfscale
Energy kJ
1949
1225
1070
2339
2442
2590
1765
1218
865
519
341
522
1453
931
991
679
499
793
1383
1693
1743
Wind (km/h)
0
E
10
SSW
10
SSE
10
SSE
10
SSW
5
SE
5
SSW
5
W
5
NNW
5
NNE
5
NNW
5
ENE
0
NNE
0
NNW
5
ENE
0
SSW
10
SSW
5
SE
5
S
10
SSW
0
S
glassy
cross-on
cross
cross
cross-on
cross-off
cross-on
glassy
glassy
glassy
glassy
off
glassy
glassy
glassy
glassy
cross-on
cross-off
cross
cross-on
glassy
High Tide
8:43AM1.29m
8:59PM0.96m
9:16AM1.34m
9:40PM0.94m
9:50AM1.38m
10:19PM0.92m
10:24AM1.40m
10:57PM0.90m
11:01AM1.40m
11:36PM0.87m
11:39AM1.38m
00:15AM0.84m
12:18PM1.35m
00:56AM0.80m
Low Tide
3:11PM0.25m
2:43AM0.25m
3:52PM0.21m
3:16AM0.26m
4:31PM0.18m
3:49AM0.27m
5:10PM0.17m
4:24AM0.29m
5:50PM0.18m
4:58AM0.30m
6:31PM0.20m
5:34AM0.32m
7:14PM0.23m
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:43
7:43
7:45
7:45
7:46
7:46
7:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:45
5:45
5:45
5:45
5:45
Temp °C
16
17
13
16
17
14
18
20
14
16
16
12
14
15
13
17
19
15
16
18
15
16
16
12
14
14
13
16
18
12
14
14
11
14
14
12
15
16
13
15
17
14
Swell 1
Height (m)
Direction
Period (s)
2.5
W
13
2.1
W
12
1.7
W
11
2
SW
17
2.1
SW
17
2.4
SW
15
2
SW
15
1.8
SW
14
1.5
SW
14
1.3
SW
13
1.1
SW
12
1
SW
14
1.6
SW
18
1.3
SW
16
1.4
SW
16
1.1
SW
18
1
WNW
9
1.6
W
11
1.6
W
12
1.8
SW
16
1.9
WSW
16
Energy kJ
1949
1225
649
2339
2442
2590
1765
1218
865
519
341
398
1453
931
991
679
177
643
711
1693
1743
Swell 2
Height (m)
Direction
Period (s)
1
SW
15
1.2
SW
14
1.2
SW
19
1.3
W
10
1.2
WSW
10
0.3
NW
13
0.3
NW
13
0.3
NW
13
0.3
NW
13
0.3
SW
21
0.6
SW
19
0.9
SW
18
0.7
W
10
0.8
SW
13
0.7
W
10
1
W
9
1.1
SW
15
1.3
SW
16
1.5
WSW
17
1.6
W
12
1.5
W
11
Energy kJ
415
573
1070
320
282
27
28
27
27
69
224
522
104
205
96
173
499
793
1383
678
516
Swell 3
Height (m)
Direction
Period (s)
0.3
NW
12
0.6
SW
22
1.1
SW
13
0.4
NW
12
0.4
NW
12
0.1
NW
11
0.1
NW
11
0.1
NW
11
0.1
NW
11
0.3
NW
13
0.5
W
9
0.6
W
10
0.3
NW
12
0.7
W
11
0.6
SW
20
0.8
SW
14
0.9
W
12
0.4
WSW
20
0.4
NW
15
0.5
NW
15
0.3
NW
15
Energy kJ
24
372
392
37
37
5
5
5
5
26
45
75
23
112
309
293
224
151
54
104
37
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
4
4
4
3
3
3
3
4
4
4
4
3
4
4
4
4
Distance (km)
0
11
7
7
11
0
64
0
0
0
0
0
0
0
0
0
11
0
7
11
0
Best forecast wave conditions in Santiago
Rating
(10 max)
4
4
4
5
4
4
4
4
4
3
3
4
4
4
4
4
3
4
4
4
4
Best forecast wave conditions in Chile
Rating
(10 max)
4
4
5
5
4
5
4
4
4
4
4
4
4
4
4
4
5
5
5
4
4
Header Global
Rating
(10 max)
9
7
5
5
5
5
7
7
6
5
5
4
5
5
4
4
5
5
5
4
4
  • 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 Cahuil Surf forecast

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

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