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Surf Forecasts:
Monte Hermoso surfForecast / Buenos Aires / Argentina
16 Day Weather and Surf, issued 2 pm Tuesday 21 Apr 2026 -03Forecast 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
18.9° 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 Tuesday (Apr 21) at 9PM. The primary swell is predicted to be 0.5m and 11s period with a secondary swell of 0.3m and 8s. Another secondary swell of 0.5m and 4s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Monte Hermoso in the next 16 days are 2.5m 9s and forecast to arrive on Sunday (Apr 26) at 6PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Monday (Apr 27) at 12PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Tue 21st Apr) | 1.5ft (0.5m) 11s |
| Best Surf | 9PM (Tue 21st Apr) | 1.5ft (0.5m) 11s |
| Most Powerful | 6PM (Sun 26th Apr) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Monte Hermoso over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 2mm), mostly falling on Tue afternoon. Warm (max 21°C on Thu afternoon, min 10°C on Wed morning). Winds increasing (calm on Tue night, fresh winds from the W by Wed afternoon). | Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Sun night. Very mild (max 18°C on Fri afternoon, min 9°C on Mon morning). Winds increasing (calm on Fri night, strong winds from the S by Sun night). | ||||||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 10 | 10 | 5 | 10 | 10 | 9 | 9 | 4 | 6 | 9 | 8 | 8 | 4 | 7 | 8 | 7 | 10 | 8 | 9 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 59 | 57 | 28 | 27 | 60 | 36 | 35 | 20 | 8 | 10 | 163 | 126 | 84 | 45 | 44 | 569 | 319 | 57 | 50 | 128 | 37 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | cross- off | cross | cross | cross- off | cross | cross- off | cross- off | cross | cross- on | glass | cross- on | cross- off | cross- off | cross- on | cross- on | cross | cross | cross- on | cross- off | ||
High Tide / height (m) | 8:40PM 2.28 | 9:32AM 1.85 | 9:28PM 2.29 | 10:21AM 1.83 | 10:17PM 2.26 | 11:12AM 1.80 | 11:08PM 2.18 | 12:05PM 1.76 | 12:02AM 2.06 | 1:01PM 1.74 | 12:59AM 1.94 | 1:58PM 1.74 | 2:00AM 1.82 | ||||||||||
Low Tide / height (m) | 3:27AM -0.05 | 3:23PM 0.44 | 4:17AM -0.05 | 4:12PM 0.46 | 5:07AM -0.01 | 5:04PM 0.49 | 5:58AM 0.06 | 5:59PM 0.53 | 6:50AM 0.14 | 6:59PM 0.56 | 7:44AM 0.23 | 8:03PM 0.58 | 8:38AM 0.31 | ||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||||
| Sunrise | - | - | 7:39 | - | - | 7:39 | - | - | 7:41 | - | - | 7:41 | - | - | 7:43 | - | - | 7:43 | - | - | 7:45 | ||
| Sunset | 6:29 | - | - | 6:27 | - | - | 6:25 | - | - | 6:24 | - | - | 6:22 | - | - | 6:22 | - | - | 6:21 | - | - | ||
 |  |  | |  | | | | |  | | | | | | |  |  | | | | |||
Rain (mm) | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 5 | - | - | - | - | ||
| Temp. °C | 14 | 14 | 15 | 19 | 17 | 16 | 21 | 18 | 18 | 18 | 15 | 15 | 15 | 14 | 14 | 14 | 12 | 9 | 14 | 15 | 16 | ||
| Feels °C (?) | 12 | 13 | 10 | 11 | 10 | 8 | 17 | 13 | 12 | 12 | 8 | 13 | 11 | 10 | 8 | 7 | 2 | 3 | 9 | 7 | 9 | ||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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.
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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