Monte Hermoso surf break

Monte Hermoso surfForecast / Buenos Aires / Argentina

information circle12 Day Weather and Surf, issued 2 am Friday 12 Dec 2025 -03
Forecast update in hr  min  s Forecast update imminent
Monte Hermoso surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Monte Hermoso sea temperature is
21.4° C
(Which is 3.2°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Monte Hermoso this week:

The surf forecast for Monte Hermoso over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 14) at 3AM. The primary swell is predicted to be 0.5m and 9s period with a secondary swell of 0.4m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Monte Hermoso in the next 12 days are 1.3m 11s and forecast to arrive on Tuesday (Dec 16) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Sunday (Dec 14) at 3AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sun 14th Dec)1.5ft (0.5m) 9s
Best Surf 3AM (Sun 14th Dec)1.5ft (0.5m) 9s
Most Powerful 6PM (Tue 16th Dec)4.5ft (1.3m) 11s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 28°C on Fri afternoon, min 16°C on Sat night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 29°C on Wed afternoon, min 14°C on Mon night). Mainly fresh winds.

Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.8
S
0.6
S
0.8
SW
0.8
S
0.7
S
1.6
SSW
1.7
SSW
1.1
S
0.9
SSE
1.1
SSE
1
SSE
0.7
SSE
0.6
S
0.4
SSE
0.4
SSE
0.3
SSE
0.3
S
Period(s) (?)1212111178461167812111010109999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)56554847584020411101542551462282922361006728261513
Wind
(km/h)
35
W
35
WSW
25
W
35
WSW
15
SW
30
NE
30
WSW
20
SSE
20
NE
35
SW
30
SSW
20
SSE
20
SW
15
SE
30
NNE
30
NNW
15
S
25
NNW
35
NW
25
WSW
20
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
on
cross-
on
cross-
off
cross-
on
cross-
on
cross-
off
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
off
cross-
off
oncross-
off
cross-
off
crossoff
High Tide
/ height (m)
10:53AM
2.01
11:43PM
1.90
11:45AM
1.87
12:30AM
1.89
12:39PM
1.73
1:17AM
1.87
1:37PM
1.63
2:05AM
1.86
2:38PM
1.57
2:53AM
1.86
3:40PM
1.55
3:43AM
1.87
4:38PM
1.56
Low Tide
/ height (m)
5:31PM
0.11
5:56AM
0.47
6:16PM
0.23
6:51AM
0.48
7:01PM
0.36
7:47AM
0.48
7:48PM
0.49
8:43AM
0.46
8:38PM
0.59
9:39AM
0.43
9:31PM
0.67
10:33AM
0.38
10:25PM
0.70
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Sunrise5:33--5:33--5:33--5:33--5:33--5:33--5:33--
Sunset-8:23--8:24--8:25--8:25--8:27--8:28--8:28-
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C262825222319192219201816161918282926313325
Feels °C (?)20212016181312191213118111312242519262723
  • 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 Monte Hermoso Surf forecast

The above surf forecast table for Monte Hermoso provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Monte Hermoso can be found by selecting the local surf guide option on the grey menu. Our Monte Hermoso 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 (Monte Hermoso) 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 Monte Hermoso 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.

Monte Hermoso is 69 km (43 miles) from the city of Punta Alta. If you plan a holiday in Provincia de Buenos Aires, look for hotels and other accommodation in Punta Alta. Punta Alta has rooms for a wide range of budgets as well as car hire and transport links.

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