Monte Hermoso surf break

Monte Hermoso surfForecast / Buenos Aires / Argentina

information circle12 Day Weather and Surf, issued 2 pm Thursday 20 Nov 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
16.3° C
(Which is 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 Wednesday (Nov 26) at 6AM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.1m and 6s. 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 2.2m 11s and forecast to arrive on Thursday (Nov 20) at 9PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Monday (Nov 24) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Wed 26th Nov)3ft (0.9m) 7s
Best Surf 6AM (Wed 26th Nov)3ft (0.9m) 7s
Most Powerful 9PM (Thu 20th Nov)7ft (2.2m) 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 Some drizzle, heaviest during Thu afternoon. Warm (max 26°C on Sun morning, min 12°C on Thu night). Winds decreasing (near gales from the SSE on Thu night, light winds from the SE by Fri morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 34°C on Wed morning, min 14°C on Mon night). Winds decreasing (strong winds from the N on Sun night, light winds from the NNW by Mon afternoon).

Thu
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
SSE
2.1
SSE
0.9
SSE
0.7
SSE
0.5
SSE
0.4
SSE
0.4
SSE
0.3
SSE
0.3
SSE
0.3
E
0.2
SSE
0.2
E
0.1
S
1
S
1
SE
1.5
ESE
1.6
E
0.8
ESE
0.6
E
0.4
ESE
0.5
E
Period(s) (?)11811101010999685856567767
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1575361969756373416157621535911720260321324
Wind
(km/h)
25
NW
35
SSE
20
SE
20
ESE
25
NE
20
N
20
NNE
35
N
30
NNW
30
NNW
45
N
30
NNW
5
NNW
20
ESE
20
E
35
ESE
25
ENE
20
NNW
25
NNW
25
NNW
30
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
on
cross-
on
cross-
on
cross-
off
offcross-
off
offcross-
off
offoffcross-
off
cross-
off
crosscrosscrosscross-
off
cross-
off
offoffcross-
off
High Tide
/ height (m)
6:00PM
1.67
5:56AM
1.95
6:48PM
1.71
6:40AM
2.01
7:33PM
1.75
7:24AM
2.05
8:17PM
1.77
8:07AM
2.08
9:01PM
1.77
8:49AM
2.08
9:45PM
1.75
9:31AM
2.06
10:29PM
1.72
10:13AM
2.01
Low Tide
/ height (m)
11:55PM
0.63
12:42PM
0.24
12:41AM
0.62
1:26PM
0.18
1:26AM
0.60
2:10PM
0.13
2:09AM
0.59
2:54PM
0.11
2:51AM
0.59
3:37PM
0.10
3:33AM
0.61
4:20PM
0.11
4:16AM
0.63
Thu
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Sunrise--5:37--5:37--5:37--5:35--5:35--5:35--5:35
Sunset8:02--8:04--8:05--8:06--8:07--8:07--8:08--
rain showers
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
Rain (mm)
1--------------------
Temp. °C191313141322252026292329311720212234373129
Feels °C (?)12399718201420221725291315152028312425
  • 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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