Monte Hermoso surf break

Monte Hermoso surfForecast / Buenos Aires / Argentina

information circle12 Day Weather and Surf, issued 2 am Sunday 28 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
21.7° C
(Which is 2.2°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 Tuesday (Dec 30) at 12AM. The primary swell is predicted to be 0.4m and 16s period with a secondary swell of 0.5m and 10s. Another secondary swell of 0.8m and 5s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Monte Hermoso in the next 12 days are 1.6m 12s and forecast to arrive on Saturday (Jan 03) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Monday (Dec 29) at 6PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12AM (Tue 30th Dec)1.5ft (0.4m) 16s
Best Surf 6AM (Tue 30th Dec)2.5ft (0.7m) 15s
Most Powerful 9AM (Sat 3rd Jan)5ft (1.6m) 12s

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 31°C on Mon morning, min 15°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 24°C on Thu morning, min 13°C on Wed night). Winds increasing (light winds from the ENE on Wed night, strong winds from the SSE by Thu night).

Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
1
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
S
0.6
S
0.6
S
0.5
S
0.5
S
0.4
SSE
0.6
SSE
0.9
SSE
0.5
SSE
1.5
S
1.6
SSE
1.6
SSE
1.1
SSE
0.9
SSE
2.4
SSE
1.8
SSE
1.3
SSE
1.3
SSE
1.6
S
1.5
S
1.1
SSE
Period(s) (?)73510121614131157891089911121110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)971949699915428665115232298193173709505274366759545245
Wind
(km/h)
15
WSW
20
SE
20
E
20
NNE
25
SE
15
ENE
10
E
20
SSE
20
NNE
30
S
35
SSE
15
ESE
15
N
15
SSE
40
SE
25
SSE
20
SSE
15
ENE
30
W
10
S
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
crosscross-
off
cross-
on
cross-
off
crossoncross-
off
oncross-
on
cross-
on
offcross-
on
cross-
on
ononcross-
off
crossoncross-
on
High Tide
/ height (m)
11:25AM
1.82
12:05AM
1.87
12:18PM
1.72
12:48AM
1.91
1:16PM
1.64
1:36AM
1.96
2:20PM
1.58
2:28AM
2.01
3:25PM
1.55
3:25AM
2.07
4:30PM
1.57
4:24AM
2.13
5:31PM
1.61
Low Tide
/ height (m)
5:50PM
0.30
6:25AM
0.47
6:31PM
0.41
7:20AM
0.41
7:16PM
0.51
8:19AM
0.35
8:06PM
0.59
9:21AM
0.29
9:03PM
0.64
10:23AM
0.21
10:05PM
0.65
11:24AM
0.14
11:08PM
0.63
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunrise5:39--5:39--5:41--5:41--5:43--5:43--5:43--
Sunset-8:32--8:32--8:32--8:32--8:34--8:34--8:34-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C242218312722292524211917242418161616252920
Feels °C (?)191814292320262120161312201910101112192515
  • 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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