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Surf Forecasts:
Monte Hermoso surfForecast / Buenos Aires / Argentina
16 Day Weather and Surf, issued 8 pm Saturday 18 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
19.2° 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 Thursday (Apr 23) at 6AM. The primary swell is predicted to be 0.5m and 9s period with a secondary swell of 0.6m and 6s. 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 2.4m 9s and forecast to arrive on Saturday (Apr 25) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Tuesday (Apr 21) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Thu 23rd Apr) | 1.5ft (0.5m) 9s |
| Best Surf | 6AM (Thu 23rd Apr) | 1.5ft (0.5m) 9s |
| Most Powerful | 3PM (Sat 25th Apr) | 8ft (2.4m) 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 Heavy rain (total 29mm), heaviest during Tue afternoon. Warm (max 20°C on Sat night, min 12°C on Mon night). Winds decreasing (fresh winds from the SSW on Sat night, light winds from the SE by Sun night). | Days 3-6 Weather Summary Moderate rain (total 17mm), heaviest on Tue night. Warm (max 22°C on Fri afternoon, min 13°C on Tue night). Winds decreasing (fresh winds from the SE on Tue night, calm by Wed night). | |||||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Sat 25 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 9 | 5 | 6 | 9 | 9 | 10 | 12 | 11 | 11 | 11 | 5 | 5 | 10 | 9 | 9 | 8 | 9 | 8 | 8 | 6 | 9 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 47 | 80 | 53 | 81 | 61 | 68 | 94 | 63 | 59 | 39 | 102 | 47 | 25 | 75 | 61 | 31 | 30 | 16 | 12 | 331 | 841 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- off | cross- off | cross- off | cross- on | cross- on | on | off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | |
High Tide / height (m) | 7:05AM 1.80 | 7:08PM 2.13 | 7:55AM 1.84 | 7:53PM 2.23 | 8:44AM 1.85 | 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 | |||||||||
Low Tide / height (m) | 1:01AM 0.19 | 1:03PM 0.46 | 1:50AM 0.06 | 1:49PM 0.45 | 2:39AM -0.02 | 2:35PM 0.44 | 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 | ||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Sat 25 | ||||||||||||||||
| Sunrise | - | 7:35 | - | - | 7:37 | - | - | 7:37 | - | - | 7:39 | - | - | 7:39 | - | - | 7:41 | - | - | 7:41 | - | |
| Sunset | - | - | 6:30 | - | - | 6:30 | - | - | 6:29 | - | - | 6:27 | - | - | 6:25 | - | - | 6:24 | - | - | 6:22 | |
 |  |  |  | | |  |  |  |  |  | |  | | |  | | | | | | ||
Rain (mm) | 4 | - | - | - | - | - | 2 | 5 | 18 | 17 | - | - | - | - | - | - | - | - | - | - | - | |
| Temp. °C | 20 | 15 | 15 | 15 | 15 | 16 | 15 | 12 | 14 | 16 | 16 | 16 | 16 | 18 | 20 | 18 | 19 | 22 | 19 | 10 | 11 | |
| Feels °C (?) | 14 | 8 | 11 | 13 | 11 | 12 | 11 | 7 | 12 | 11 | 12 | 12 | 15 | 15 | 18 | 15 | 13 | 17 | 15 | -2 | -1 | |
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Live Wave Height (m)
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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