Surf Forecasts:
Monte Hermoso surf forecast from 17 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 6AM (local time) - 5ft (1.5m), 11s period, S swell with cross-offshore winds.
- Most powerful swell: Tuesday 22 Sep, 3AM (local time) - 5.5ft (1.7m), 11s period, S swell with 676 kJ wave energy.
- Next surfable swell (1★+): Tuesday 22 Sep, 6AM (local time) - 5ft (1.5m), 11s period with S swell.
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 (Sep 22) at 6AM. The primary swell is predicted to be 1.5m and 11s period with a secondary swell of 0.1m and 10s. 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 1.7m 11s and forecast to arrive on Tuesday (Sep 22) 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 1.2m 4s period and expected on Monday (Sep 21) at 3AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Tue 22nd Sep) | 5ft (1.5m) 11s |
| Best Surf | 6AM (Tue 22nd Sep) | 5ft (1.5m) 11s |
| Most Powerful | 3AM (Tue 22nd Sep) | 5.5ft (1.7m) 11s |
Table - best surf conditions forecast for Monte Hermoso over the next 16 days.
Short Range ForecastMostly dry. Warm (max 26°C on Sat afternoon, min 11°C on Wed night). Mainly fresh winds. | Days 5-7 Weather SummaryModerate rain (total 17mm), heaviest on Sun morning. Warm (max 20°C on Sat night, min 7°C on Mon night). Winds decreasing (strong winds from the W on Sun night, light winds from the N by Tue morning). | ||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSE 8 | SSE 10 | SE 10 | E 4 | S 8 | S 9 | E 12 | S 8 | E 6 | S 8 | E 5 | E 5 | E 6 | W 5 | SW 5 | S 9 | S 11 | S 11 | SE 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 48 | 37 | 23 | 12 | 12 | 2 | 3 | 5 | 5 | 1 | 8 | 9 | 2 | 133 | 61 | 395 | 396 | 229 | 229 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | cross-on | cross-off | off | off | off | off | cross-off | off | cross-off | off | cross-off | cross | cross-on | cross-on | cross-off | cross-off | cross-off |
High Tide | 9:31PM1.88m | 9:38AM2.12m | 10:16PM1.83m | 10:20AM2.09m | 11:01PM1.76m | 11:02AM2.04m | 11:48PM1.69m | 11:48AM1.98m | 00:39AM1.61m | 12:36PM1.92m | 1:35AM1.54m | 1:29PM1.87m | 2:35AM1.51m | ||||||
Low Tide | 3:36AM0.38m | 4:16PM0.15m | 4:17AM0.45m | 5:00PM0.19m | 4:58AM0.52m | 5:46PM0.25m | 5:41AM0.60m | 6:35PM0.30m | 6:26AM0.66m | 7:28PM0.35m | 7:17AM0.72m | 8:24PM0.37m | |||||||
 |  | | |  | |  | | | |  | | | | | | |  | | |
 | — | 7:03 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — |
 | 6:55 | — | 6:55 | — | — | 6:57 | — | — | 6:58 | — | — | 6:59 | — | — | 7:00 | — | — | 7:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | 9 | 8 | — | — | — | — | — | — | — |
Temp °C | 12 | 14 | 15 | 17 | 22 | 24 | 20 | 23 | 26 | 20 | 17 | 16 | 15 | 14 | 14 | 10 | 14 | 20 | 17 |
Feels °C | 6 | 11 | 11 | 14 | 17 | 18 | 15 | 21 | 23 | 17 | 15 | 13 | 12 | 5 | 6 | 1 | 11 | 14 | 11 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SSE 10 | SE 10 | SSE 10 | ESE 4 | E 4 | S 9 | S 8 | S 8 | S 8 | E 5 | E 5 | E 6 | E 8 | E 8 | ESE 11 | S 11 | S 11 | SE 10 |
| kJ | 48 | 37 | 23 | 9 | 6 | 2 | 2 | 5 | 5 | 1 | 8 | 9 | 2 | 5 | 1 | 11 | 396 | 229 | 229 |
Swell 2 Height (m) Direction Period (s) | E 9 | NE 4 | WSW 3 | S 9 | S 8 | S 7 | S 6 | E 4 | — | S 7 | S 8 | S 7 | S 7 | — | — | — | E 10 | E 9 | E 10 |
| kJ | 1 | 1 | 1 | 2 | 12 | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | — | — | — | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | E 5 | — | SE 9 | S 9 | E 12 | E 6 | — | E 6 | — | — | S 9 | — | — | — | E 13 | SE 12 | — |
| kJ | — | — | 2 | — | 3 | 2 | 3 | 1 | — | 1 | — | — | 2 | — | — | — | 3 | 6 | — |
Wind waves Height (m) Direction Period (s) | N 4 | W 3 | ESE 5 | E 4 | N 3 | N 3 | N 4 | NNW 3 | E 6 | NE 3 | NW 2 | NW 3 | NW 4 | W 5 | SW 5 | S 9 | — | — | ENE 4 |
| kJ | 12 | 3 | 3 | 12 | 5 | 8 | 12 | 1 | 5 | 5 | 1 | 1 | 33 | 133 | 61 | 395 | — | — | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 266 | 298 | 230 | 324 | 340 | 266 | 1057 | 354 | 298 | 884 | 1100 | 796 | 298 | 798 | 847 | 488 | 0 | 201 | 201 |
Best forecast wave conditions in Provincia de Buenos Aires | |||||||||||||||||||
Best forecast wave conditions in Argentina | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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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