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Surf Forecasts:

Monte Hermoso surf break

Monte Hermoso surfForecast / Buenos Aires / Argentina

information circle16 Day Weather and Surf, issued 8 am Wednesday 18 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
21.4° C
 (Which is slightly warmer than usual)

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 Wednesday (Mar 18) at 3PM. The primary swell is predicted to be 0.4m and 12s period with a secondary swell of 0.3m and 7s. 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 0.7m 11s and forecast to arrive on Thursday (Mar 19) 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 1.2m 5s period and expected on Thursday (Mar 19) at 9AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Wed 18th Mar)1.5ft (0.4m) 12s
Best Surf 3PM (Wed 18th Mar)1.5ft (0.4m) 12s
Most Powerful 9PM (Thu 19th Mar)2.5ft (0.7m) 11s

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 22mm), heaviest during Fri night. Warm (max 25°C on Thu afternoon, min 16°C on Wed morning). Mainly fresh winds.

Days 3-6 Weather Summary Heavy rain (total 25mm), heaviest during Sat morning. Warm (max 22°C on Mon afternoon, min 14°C on Sun night). Winds decreasing (fresh winds from the W on Sat afternoon, light winds from the NE by Mon night).

Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
ESE
0.4
ESE
0.4
ESE
0.4
SE
0.4
ESE
0.4
ESE
0.7
E
0.6
E
0.4
SE
1.3
SSW
1
SSW
0.7
S
0.4
SE
0.7
SSE
0.7
SSE
0.8
SE
0.7
SE
0.6
SE
0.5
SE
0.5
SE
0.4
SE
Period(s) (?)1212111111117710556969998888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)555450314746454025725632283567977558343421
Wind
(km/h)
10
NW
15
NE
20
NNE
35
N
20
N
20
ENE
10
SSE
20
ENE
10
N
25
SSW
35
SW
20
SSW
10
W
15
SSE
15
NE
20
NE
15
NNE
20
NNE
10
NNE
15
S
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		offoffcross-
off		oncross-
off		offoncross-
on		cross-
on		crossoncross-
off		cross-
off		cross-
off		offoffonon
High Tide
/ height (m)
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
9:49AM
1.87
9:51PM
2.23
Low Tide
/ height (m)
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
3:47AM
0.04
3:46PM
0.40
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Sunrise7:05--7:05--7:07--7:07--7:09--7:09--7:11--
Sunset-7:20--7:17--7:16--7:15--7:14--7:12--7:09-
clear
clear
part cloud
light rain
rain showers
part cloud
light rain
cloud
heavy rain
mod rain
mod rain
rain showers
clear
clear
clear
cloud
part cloud
mod rain
part cloud
cloud
cloud
Rain (mm)
---22-1-171081-----6---
Temp. °C202421212522192221181619181917182219171818
Feels °C (?)161917152220172221151016161714131817171516
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Monte Hermoso surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

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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