Matanzas Surf Break

Lat Long: 33.96° S 71.89° W

Matanzas Surf Forecast and Surf Report

Issued: 2 pm 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Matanzas sea temperature is
13.5°C
0.5° 

Matanzas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Matanzas surf forecast from 16 Sep 2026:

  • Best quality surf: Thursday 17 Sep, 9PM (local time) - 4.5ft (1.3m), 12s period, WSW swell with glassy winds.
  • Most powerful swell: Monday 21 Sep, 9AM (local time) - 10ft (3.0m), 13s period, WSW swell with 3,344 kJ wave energy.
  • Next surfable swell (1★+): Thursday 17 Sep, 6AM (local time) - 4ft (1.2m), 7s period with SW swell.

Best Forecast Surf Conditions for Matanzas this week:

The surf forecast for Matanzas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 17) at 6AM. The primary swell is predicted to be 1.2m and 7s period with a secondary swell of 0.5m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Matanzas in the next 16 days are 3.0m 13s and forecast to arrive on Monday (Sep 21) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 17th Sep)4ft (1.2m) 7s
Best Surf 9PM (Thu 17th Sep)4.5ft (1.3m) 12s
Most Powerful 9AM (Mon 21st Sep)10ft (3.0m) 13s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Wed afternoon, min 12°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 16°C on Mon afternoon, min 11°C on Sun night). Wind will be generally light.

Wed
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
2
0
2
1
1
2
1
2
2
1
2
2
3
1
2
3
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SW
12
1.3
SW
6
1.1
SW
7
0.9
WSW
13
0.9
WSW
12
0.9
WSW
11
0.9
WSW
11
1
WSW
10
1.1
WSW
10
1.2
WSW
10
1.5
WSW
12
1.3
WSW
11
1.8
WSW
11
1.6
W
10
3
WSW
13
3
WSW
12
2.3
SW
12
1.5
SW
11
1.2
SW
10
0.9
WSW
10
Wave Graph
Metric surfscale
Energy kJ
142
126
97
289
199
214
206
206
245
283
605
366
772
573
3344
2656
1524
515
308
169
Wind (km/h)
25
SSW
20
S
10
SSE
15
SW
5
SSE
10
S
10
WSW
5
SE
10
NNW
10
N
15
NNE
20
NNE
15
NNW
20
S
15
S
25
SSW
15
SSW
5
SE
15
SW
5
S
Wind State
cross-on
cross
cross-off
cross-on
glassy
cross
cross-on
glassy
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross-off
cross-on
cross
High Tide
2:51AM1.18m
3:15PM0.78m
3:46AM1.11m
4:31PM0.69m
5:04AM1.05m
6:42PM0.67m
6:37AM1.06m
8:13PM0.72m
7:49AM1.11m
8:56PM0.79m
8:38AM1.18m
9:27PM0.87m
Low Tide
8:10PM0.35m
9:43AM0.40m
8:45PM0.44m
11:10AM0.46m
9:39PM0.52m
12:58PM0.45m
11:25PM0.56m
2:11PM0.39m
1:05AM0.53m
2:56PM0.31m
2:07AM0.45m
3:28PM0.24m
2:52AM0.37m
part cloud
clear
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:43
7:43
7:41
7:39
7:39
7:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:38
7:39
7:39
7:40
7:42
7:43
7:43
 mm
Temp °C
17
15
17
16
12
16
17
16
15
15
14
14
15
14
14
16
13
16
17
17
Feels °C
13
11
15
14
12
15
16
15
14
13
12
11
13
13
10
11
8
13
13
14
  • Map Icons:
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  • 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 Matanzas Surf forecast

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

Matanzas is 47 km (29 miles) from the city of San Antonio. If you plan a holiday in Santiago, look for hotels and other accommodation in San Antonio. San Antonio has rooms for a wide range of budgets as well as car hire and transport links.

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