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Surf Forecasts:

Monte Hermoso surf break

Monte Hermoso surfForecast / Buenos Aires / Argentina

information circle16 Day Weather and Surf, issued 2 am Tuesday 17 Mar 2026 -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
21.1° 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Mar 17) at 9PM. The primary swell is predicted to be 0.5m and 12s period with a secondary swell of 0.4m and 5s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Monte Hermoso in the next 16 days are 0.8m 10s and forecast to arrive on Friday (Mar 20) 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 1.2m 5s period and expected on Thursday (Mar 19) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Tue 17th Mar)1.5ft (0.5m) 12s
Best Surf 9PM (Tue 17th Mar)1.5ft (0.5m) 12s
Most Powerful 9AM (Fri 20th Mar)2.5ft (0.8m) 10s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 84mm), heaviest during Thu night. Warm (max 26°C on Wed afternoon, min 16°C on Tue morning). Winds increasing (light winds from the SW on Tue afternoon, fresh winds from the NNE by Wed night).

Days 3-6 Weather Summary Moderate rain (total 19mm), heaviest on Sat morning. Warm (max 22°C on Sat afternoon, min 14°C on Sun night). Winds decreasing (fresh winds from the SW on Fri night, calm by Sat night).

Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
ESE
0.4
ESE
0.5
ESE
0.4
ESE
0.5
E
0.4
ESE
0.4
SE
0.4
SE
0.4
ESE
0.8
E
0.4
SE
0.4
SE
1.2
SW
0.4
ESE
0.4
ESE
0.5
S
0.3
ESE
0.4
SSE
0.7
E
0.8
ESE
1.3
SE
Period(s) (?)111212121211111111101010599798555
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4956785570503130461382635633330211622243584
Wind
(km/h)
15
WNW
20
SW
15
N
15
N
15
NE
25
NE
25
N
20
NNW
25
NNE
15
E
10
SE
15
S
30
SW
20
WSW
20
SSE
10
ENE
25
ESE
30
ENE
30
ENE
25
E
35
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
on		offoffcross-
off		cross-
off		offcross-
off		offcrosscross-
on		oncross-
on		cross-
on		cross-
on		cross-
off		crosscross-
off		cross-
off		crosscross-
off
High Tide
/ height (m)
4:53PM
1.56
4:44AM
1.82
5:41PM
1.65
5:41AM
1.84
6:24PM
1.77
6:34AM
1.86
7:05PM
1.90
7:25AM
1.88
7:45PM
2.02
8:14AM
1.89
8:25PM
2.12
9:02AM
1.89
9:07PM
2.20
Low Tide
/ height (m)
10:40AM
0.35
10:40PM
0.71
11:30AM
0.33
11:41PM
0.61
12:16PM
0.31
12:36AM
0.47
12:59PM
0.31
1:26AM
0.33
1:41PM
0.32
2:14AM
0.20
2:22PM
0.34
3:00AM
0.10
3:03PM
0.37
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Sunrise7:03--7:05--7:05--7:07--7:07--7:09--7:09--
Sunset-7:21--7:20--7:17--7:16--7:15--7:14--7:12-
rain showers
clear
clear
clear
clear
rain showers
mod rain
heavy rain
heavy rain
light rain
part cloud
rain showers
heavy rain
clear
clear
clear
part cloud
part cloud
light rain
heavy rain
heavy rain
Rain (mm)
9----2711553-511-----12715
Temp. °C192120222623222118192019162221192017151518
Feels °C (?)14161718211920201820201811181716151110617
  • 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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View detailed surf forecast for Monte Hermoso at:
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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 16 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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