Monte Hermoso surf break

Monte Hermoso surfForecast / Buenos Aires / Argentina

information circle12 Day Weather and Surf, issued 8 pm Sunday 14 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
22.0° C
(Which is 3.7°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 Friday (Dec 19) at 9PM. The primary swell is predicted to be 1.4m and 5s period with a secondary swell of 0.3m and 9s. 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 0.7m 13s and forecast to arrive on Thursday (Dec 18) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Friday (Dec 19) at 6PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Fri 19th Dec)4.5ft (1.4m) 5s
Best Surf 9PM (Fri 19th Dec)4.5ft (1.4m) 5s
Most Powerful 6PM (Thu 18th Dec)2.5ft (0.7m) 13s

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 29°C on Wed morning, min 15°C on Mon night). Winds increasing (light winds from the SE on Mon night, strong winds from the NNW by Wed morning).

Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Fri night. Warm (max 29°C on Sat afternoon, min 14°C on Thu night). Mainly fresh winds.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sun
21
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
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 (?)
0.6
S
1.4
SSW
1.1
S
0.8
S
0.8
S
0.6
S
0.6
SSE
0.4
SSE
0.8
S
0.2
S
0.7
SW
0.7
SSW
0.4
SSE
0.5
S
1.2
E
0.9
ESE
0.7
E
0.6
ESE
0.7
E
0.3
ESE
0.9
SSE
Period(s) (?)105661011109383511105678584
Wave
Graph
(?)Metric surfscale
Energy kJ (?)779191531179375281551128424663684849231128
Wind
(km/h)
30
NW
30
SW
15
SSE
15
SE
20
S
15
SE
35
NNE
40
NNW
15
S
30
NE
25
SW
20
SSE
25
ENE
30
ENE
20
ENE
30
NE
25
NW
25
WSW
20
NNE
30
WSW
5
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
on
oncross-
on
oncross-
on
offcross-
off
oncross-
off
cross-
on
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
crosscross-
on
High Tide
/ height (m)
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
4:33AM
1.90
5:33PM
1.59
5:23AM
1.95
6:24PM
1.63
6:11AM
2.00
Low Tide
/ height (m)
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
11:26AM
0.33
11:18PM
0.71
12:16PM
0.26
12:09AM
0.69
1:04PM
0.20
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sun
21
Sunrise-5:33--5:33--5:33--5:33--5:33--5:35--5:35-
Sunset--8:25--8:27--8:28--8:28--8:29--8:29--8:30
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
clear
rain showers
clear
clear
part cloud
part cloud
part cloud
Rain (mm)
---------------8-----
Temp. °C221919161619182929192121182628212629252427
Feels °C (?)161214121212102326151617132124202124232222
  • 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 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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