Surf Forecasts:
Hermenegildo surf forecast from 17 Sep 2026:
- Best quality surf: Sunday 20 Sep, 3PM (local time) - 6ft (1.8m), 8s period, E swell with glassy winds.
- Most powerful swell: Sunday 20 Sep, 3PM (local time) - 6ft (1.8m), 8s period, E swell with 454 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 3PM (local time) - 6ft (1.8m), 8s 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 Sunday (Sep 20) at 3PM. The primary swell is predicted to be 1.8m and 8s period with a secondary swell of 1.4m and 8s. Another secondary swell of 0.3m and 9s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Hermenegildo in the next 16 days are 1.8m 8s and forecast to arrive on Sunday (Sep 20) at 3PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 7s period and expected on Sunday (Sep 20) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Sun 20th Sep) | 6ft (1.8m) 8s |
| Best Surf | 3PM (Sun 20th Sep) | 6ft (1.8m) 8s |
| Most Powerful | 3PM (Sun 20th Sep) | 6ft (1.8m) 8s |
Table - best surf conditions forecast for Hermenegildo over the next 16 days.
Short Range ForecastLight rain (total 4mm), mostly falling on Sat night. Very mild (max 16°C on Fri afternoon, min 10°C on Thu morning). Winds increasing (light winds from the NE on Thu morning, fresh winds from the NE by Sat night). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Sun morning. Warm (max 22°C on Mon afternoon, min 12°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||
AM | PM | 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 | SSE 9 | SE 9 | SSE 9 | SSE 9 | ENE 5 | ENE 5 | ENE 6 | SSE 10 | E 5 | E 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | S 10 | S 11 | S 11 | SSE 13 | SSE 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 168 | 133 | 84 | 45 | 29 | 30 | 32 | 100 | 20 | 90 | 454 | 276 | 248 | 216 | 138 | 86 | 65 | 235 | 112 | 218 | 126 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross | cross |
High Tide | 11:55AM0.58m | 5:11PM0.24m | 00:30AM0.39m | 6:28AM0.31m | 12:37PM0.56m | 6:03PM0.22m | 7:41AM0.31m | 1:18PM0.54m | 7:10PM0.21m | 9:16AM0.32m | 2:01PM0.52m | 8:26PM0.22m | 2:46PM0.50m | 9:38PM0.24m | 3:24AM0.28m | 3:37PM0.49m | 10:35PM0.27m | 4:17AM0.26m | 12:04PM0.39m | 11:21PM0.29m | |
Low Tide | 3:58PM0.23m | 8:41PM0.03m | 3:38AM0.20m | 4:54PM0.21m | 9:26PM0.07m | 4:26AM0.17m | 5:45PM0.20m | 10:14PM0.12m | 5:15AM0.15m | 6:31PM0.19m | 6:02AM0.14m | 7:14PM0.19m | 6:49AM0.12m | 7:57PM0.20m | 7:36AM0.11m | 1:22PM0.38m | 8:41PM0.20m | ||||
 | |  | |  |  | | |  |  | |  |  | | | | | | | | | |
 | 6:28 | — | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — |
 | — | 6:24 | — | — | 6:24 | — | — | 6:25 | — | — | 6:27 | — | — | 6:28 | — | — | 6:28 | — | — | 6:29 | — |
mm | — | — | — | — | — | — | — | — | 4 | 2 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 15 | 14 | 15 | 16 | 15 | 15 | 15 | 15 | 14 | 16 | 16 | 20 | 22 | 17 | 17 | 17 | 13 | 19 | 20 | 15 |
Feels °C | 10 | 11 | 11 | 12 | 13 | 12 | 12 | 12 | 11 | 10 | 17 | 15 | 18 | 17 | 13 | 12 | 13 | 11 | 16 | 17 | 11 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 11 | SSE 12 | SSE 10 | SSE 10 | E 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | S 11 | S 11 | SSE 13 | SSE 11 |
| kJ | 168 | 133 | 84 | 45 | 29 | 14 | 12 | 13 | 20 | 19 | 265 | 276 | 248 | 216 | 138 | 86 | 43 | 235 | 112 | 218 | 126 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 7 | E 7 | SE 13 | SSE 12 | ESE 10 | S 8 | — | — | SSE 9 | S 9 | S 11 | S 11 | SSW 4 | SSW 5 | ESE 8 | E 9 | E 9 | E 8 | E 8 |
| kJ | 1 | 1 | 1 | 1 | 7 | 15 | 9 | 1 | — | — | 17 | 6 | 9 | 9 | 4 | 12 | 22 | 41 | 25 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 12 | E 11 | E 11 | SE 11 | SE 10 | SE 8 | — | — | — | — | S 12 | — | — | S 10 | S 9 | — | — | E 15 | E 14 | E 13 |
| kJ | 3 | 3 | 3 | 2 | 5 | 4 | 3 | — | — | — | — | 3 | — | — | 2 | 7 | — | — | 4 | 4 | 3 |
Wind waves Height (m) Direction Period (s) | N 2 | ENE 2 | NE 3 | ENE 5 | ENE 4 | ENE 5 | ENE 5 | ENE 6 | ENE 7 | E 5 | E 8 | — | W 2 | S 3 | SW 4 | SSW 5 | S 10 | — | — | N 3 | NE 4 |
| kJ | 1 | 1 | 3 | 5 | 13 | 30 | 32 | 100 | 152 | 90 | 454 | — | 1 | 6 | 9 | 31 | 65 | — | — | 1 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 33 | 61 | 33 | 60 | 733 | 721 | 743 | 743 | 987 | 186 | 33 | 33 | 33 | 100 | 100 | 100 | 448 | 33 | 33 | 33 | 46 |
Best forecast wave conditions in Rio Grande Do Sul | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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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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