Surf Forecasts:
Hermenegildo surf forecast from 16 Aug 2026:
- Best quality surf: Saturday 22 Aug, 9AM (local time) - 7ft (2.2m), 10s period, SSW swell with offshore winds.
- Most powerful swell: Sunday 23 Aug, 12AM (local time) - 7ft (2.2m), 10s period, SSW swell with 914 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 3AM (local time) - 4ft (1.2m), 9s period with E swell.
Best Forecast Surf Conditions for Hermenegildo this week:
The surf forecast for Hermenegildo over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 3AM. The primary swell is predicted to be 1.2m and 9s period with a secondary swell of 0.2m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Hermenegildo in the next 16 days are 2.2m 10s and forecast to arrive on Sunday (Aug 23) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 9s period and expected on Sunday (Aug 16) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Mon 17th Aug) | 4ft (1.2m) 9s |
| Best Surf | 9AM (Sat 22nd Aug) | 7ft (2.2m) 10s |
| Most Powerful | 12AM (Sun 23rd Aug) | 7ft (2.2m) 10s |
Table - best surf conditions forecast for Hermenegildo over the next 16 days.
Short Range ForecastHeavy rain (total 75mm), heaviest during Sun afternoon. Very mild (max 17°C on Sun morning, min 12°C on Mon night). Winds decreasing (fresh winds from the NE on Sat night, calm by Sun night). | Days 5-7 Weather SummaryHeavy rain (total 48mm), heaviest during Tue night. Very mild (max 16°C on Thu afternoon, min 9°C on Fri morning). Winds increasing (light winds from the ENE on Wed night, fresh winds from the NNW by Thu night). | ||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||
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 9 | E 9 | E 9 | E 9 | E 9 | E 10 | SE 6 | SE 6 | SE 6 | S 7 | S 8 | E 9 | S 8 | SSE 8 | ENE 6 | E 7 | S 7 | SSW 7 | S 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 50 | 286 | 268 | 241 | 166 | 149 | 119 | 131 | 128 | 51 | 48 | 74 | 33 | 25 | 77 | 62 | 74 | 160 | 412 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross | off | cross-off | cross-off | cross-off |
High Tide | 9:44PM0.62m | 3:01AM0.38m | 3:39PM0.30m | 10:35PM0.56m | 3:51AM0.37m | 4:17PM0.29m | 11:24PM0.51m | 4:43AM0.34m | 4:57PM0.28m | 00:12AM0.46m | 5:41AM0.32m | 12:28PM0.55m | 00:59AM0.41m | 6:45AM0.30m | 1:13PM0.55m | 6:30PM0.24m | 8:02AM0.29m | 1:57PM0.54m | 7:37PM0.22m |
Low Tide | 1:03AM0.30m | 6:32AM0.00m | 1:16PM0.18m | 6:45PM0.03m | 7:16AM0.04m | 2:13PM0.22m | 7:34PM0.02m | 7:58AM0.09m | 3:13PM0.24m | 8:22PM0.02m | 3:23AM0.24m | 4:17PM0.24m | 9:09PM0.04m | 4:12AM0.21m | 5:23PM0.23m | 9:58PM0.07m | 5:03AM0.18m | 6:20PM0.21m | |
 |  |  |  |  | |  | | | |  | | | |  |  |  | |  | |
 | — | 7:09 | — | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — | 7:03 | — | — |
 | 6:02 | — | 6:02 | — | — | 6:04 | — | — | 6:05 | — | — | 6:05 | — | — | 6:06 | — | — | 6:07 | — |
mm | 1 | 5 | 14 | 12 | 9 | 9 | 10 | 7 | 8 | 13 | — | 1 | 18 | 9 | 4 | 3 | — | — | — |
Temp °C | 14 | 17 | 17 | 17 | 13 | 13 | 13 | 12 | 12 | 11 | 12 | 13 | 14 | 15 | 16 | 13 | 10 | 10 | 8 |
Feels °C | 8 | 16 | 17 | 15 | 10 | 12 | 9 | 7 | 7 | 6 | 9 | 11 | 13 | 14 | 12 | 6 | 3 | 4 | 3 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 9 | E 9 | E 9 | ESE 6 | S 8 | E 9 | S 8 | SSE 8 | SSE 8 | E 7 | S 7 | E 8 | S 8 |
| kJ | 50 | 286 | 268 | 241 | 166 | 149 | 180 | 41 | 81 | 51 | 48 | 74 | 33 | 21 | 21 | 62 | 74 | 5 | 235 |
Swell 2 Height (m) Direction Period (s) | — | SSE 9 | SSE 9 | SSE 9 | S 10 | — | — | — | — | S 7 | E 6 | S 8 | E 8 | SE 12 | SE 12 | SSE 7 | E 8 | S 14 | E 8 |
| kJ | — | 34 | 17 | 8 | 8 | — | — | — | — | 44 | 24 | 32 | 22 | 6 | 5 | 10 | 19 | 4 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | E 9 | E 9 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | S 16 | SE 10 | — |
| kJ | — | — | — | — | — | — | — | — | — | 25 | 24 | 7 | 7 | 6 | 6 | 6 | 5 | 4 | — |
Wind waves Height (m) Direction Period (s) | E 7 | ENE 9 | — | — | S 4 | SSE 5 | SE 6 | SE 6 | SE 6 | — | — | — | E 4 | E 4 | ENE 6 | NNW 3 | WSW 4 | SSW 7 | S 8 |
| kJ | 285 | 573 | — | — | 10 | 37 | 119 | 131 | 128 | — | — | — | 20 | 25 | 77 | 4 | 16 | 160 | 412 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 252 | 33 | 33 | 46 | 566 | 844 | 513 | 710 | 702 | 438 | 61 | 108 | 492 | 108 | 195 | 513 | 552 | 57 | 33 |
Best forecast wave conditions in Rio Grande Do Sul | |||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||
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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 Hermenegildo 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 Hermenegildo Surf forecast
The above surf forecast table for Hermenegildo provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Hermenegildo can be found by selecting the local surf guide option on the grey menu. Our Hermenegildo 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 (Hermenegildo) 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 Hermenegildo 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.
Are you planning a holiday in Rio Grande Do Sul? If you are looking for accommodation near Hermenegildo, camping, hotels and holiday cottages in Rio Grande Do Sul, consider staying in Santa Vitoria do Palmar which is 21 km (13 miles) away.
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