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Surf Forecasts:
Monte Hermoso surfForecast / Buenos Aires / Argentina
16 Day Weather and Surf, issued 8 am Tuesday 19 May 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
11.7° C
(Which is 4.2°C colder than average 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 Thursday (May 21) at 3AM. The primary swell is predicted to be 1.2m and 11s period with a secondary swell of 0.2m and 16s. 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 1.9m 15s and forecast to arrive on Wednesday (May 20) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Sunday (May 24) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Thu 21st May) | 4ft (1.2m) 11s |
| Best Surf | 3AM (Thu 21st May) | 4ft (1.2m) 11s |
| Most Powerful | 3AM (Wed 20th May) | 6ft (1.9m) 15s |
Table - best surf conditions forecast for Monte Hermoso over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 13°C on Tue morning, min 10°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 15°C on Fri afternoon, min 9°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
SSE 11 | S 11 | S 12 | SSE 13 | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SSE 12 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SE 9 | SE 9 | SSE 15 | SSE 11 | SSE 10 | SSE 11 | SSE 10 | |
97 | 188 | 547 | 1074 | 1058 | 446 | 265 | 226 | 215 | 160 | 151 | 68 | 65 | 38 | 23 | 22 | 44 | 22 | 9 | 11 | 10 | |
Wind (km/h) | |||||||||||||||||||||
cross | cross-on | cross-on | on | on | on | off | glassy | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | off | |
High Tide | 7:26PM2.29m | 8:24AM1.81m | 8:17PM2.32m | 9:14AM1.84m | 9:07PM2.30m | 10:04AM1.85m | 9:58PM2.24m | 10:54AM1.86m | 10:50PM2.13m | 11:46AM1.86m | 11:44PM1.99m | 12:37PM1.86m | 00:40AM1.85m | ||||||||
Low Tide | 1:20PM0.51m | 2:19AM-0.06m | 2:12PM0.47m | 3:09AM-0.09m | 3:04PM0.45m | 3:58AM-0.08m | 3:57PM0.44m | 4:47AM-0.04m | 4:52PM0.45m | 5:35AM0.04m | 5:49PM0.47m | 6:24AM0.14m | 6:48PM0.49m | ||||||||
 | |  |  |  | | | |  | | | | | | | | | | | | | |
 | 8:03 | — | — | 8:04 | — | — | 8:06 | — | — | 8:06 | — | — | 8:07 | — | — | 8:07 | — | — | 8:08 | — | — |
 | — | 5:58 | — | — | 5:57 | — | — | 5:57 | — | — | 5:55 | — | — | 5:54 | — | — | 5:54 | — | — | 5:53 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 13 | 13 | 11 | 15 | 12 | 12 | 15 | 12 | 12 | 15 | 12 | 14 | 18 | 15 |
10 | 9 | 7 | 7 | 7 | 8 | 8 | 11 | 9 | 7 | 11 | 7 | 7 | 10 | 7 | 6 | 10 | 7 | 11 | 15 | 12 | |
Swell 1 Height (m) Direction Period (s) | SSE 11 | SSE 13 | SSE 15 | — | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SSE 12 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SE 9 | SE 9 | SSE 15 | SSE 11 | SSE 10 | SSE 11 | SSE 10 |
 kJ | 97 | 60 | 131 | — | 1058 | 446 | 265 | 226 | 215 | 160 | 151 | 68 | 65 | 38 | 23 | 22 | 44 | 22 | 9 | 11 | 10 |
Swell 2 Height (m) Direction Period (s) | W 4 | — | SSE 15 | — | — | — | SSE 16 | SSE 15 | — | — | — | — | — | NE 4 | — | SE 17 | SSE 9 | S 15 | SE 12 | — | — |
| kJ | 9 | — | 291 | — | — | — | 98 | 85 | — | — | — | — | — | 1 | — | 11 | 8 | 4 | 6 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 7 | ENE 4 | — | — | E 5 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | 2 | — |
Wind waves Height (m) Direction Period (s) | WSW 4 | S 11 | S 12 | SSE 13 | SSE 13 | — | — | — | NNE 3 | NNW 3 | N 3 | N 3 | N 3 | N 3 | NNE 4 | N 4 | N 3 | N 3 | NNW 3 | N 3 | NNE 3 |
| kJ | 10 | 188 | 547 | 1074 | 670 | — | — | — | 2 | 2 | 2 | 8 | 6 | 2 | 13 | 9 | 4 | 7 | 4 | 2 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 345 | 488 | 346 | 488 | 230 | 230 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 201 | 231 | 230 | 230 | 230 | 201 | 201 | 298 |
Best forecast wave conditions in Provincia de Buenos Aires | |||||||||||||||||||||
Best forecast wave conditions in Argentina | |||||||||||||||||||||
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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.
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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