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Hermenegildo Surf Forecast
/ Rio Grande Do Sul (19 surf breaks) /
Surf Forecasts:
Hermenegildo surfForecast / Rio Grande Do Sul / Brazil
16 Day Weather and Surf, issued 8 pm Sunday 17 May 2026 -03Forecast update in hr min s Forecast update imminent
Hermenegildo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hermenegildo sea temperature is
15.6° C
(Which is 1.2°C colder than average for this time of year)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 (May 18) at 3PM. The primary swell is predicted to be 1.1m and 10s period with a secondary swell of 0.5m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Hermenegildo in the next 16 days are 3.0m 15s and forecast to arrive on Wednesday (May 20) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Tuesday (May 19) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Mon 18th May) | 3.5ft (1.1m) 10s |
| Best Surf | 3PM (Wed 20th May) | 10ft (3.0m) 16s |
| Most Powerful | 6PM (Wed 20th May) | 10ft (3.0m) 15s |
Table - best surf conditions forecast for Hermenegildo over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 14°C on Mon afternoon, min 7°C on Mon night). Winds increasing (light winds from the SW on Mon afternoon, fresh winds from the SSW by Wed afternoon). | Days 5-7 Weather SummaryMostly dry. Very mild (max 16°C on Sat morning, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
S 8 | S 9 | S 10 | SSE 15 | SSE 14 | S 13 | S 12 | S 14 | S 16 | S 14 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SE 11 | SE 11 | SSE 11 | SSE 10 | SSE 10 | |
252 | 436 | 226 | 1214 | 572 | 395 | 404 | 1914 | 4132 | 3832 | 2140 | 1680 | 1190 | 908 | 699 | 491 | 354 | 258 | 128 | 121 | 90 | |
Wind (km/h) | |||||||||||||||||||||
cross | cross-off | cross-off | off | off | off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | glassy | |
High Tide | 1:47AM0.14m | 8:45AM0.44m | 2:56PM0.37m | 8:52PM0.76m | 9:36AM0.42m | 3:41PM0.35m | 9:45PM0.79m | 10:25AM0.40m | 4:26PM0.33m | 10:37PM0.79m | 3:32AM0.25m | 5:12PM0.30m | 11:30PM0.76m | 4:22AM0.28m | 12:03PM0.38m | 00:23AM0.70m | 5:21AM0.30m | 12:54PM0.38m | 6:50PM0.28m | 6:26AM0.30m | 1:47PM0.38m |
Low Tide | 00:17AM0.10m | 4:54AM-0.08m | 5:06PM0.28m | 1:14AM0.15m | 5:46AM-0.13m | 12:40PM0.13m | 2:10AM0.20m | 6:38AM-0.15m | 1:29PM0.11m | 6:40PM0.22m | 3:01AM0.24m | 2:18PM0.11m | 7:30PM0.19m | 3:46AM0.28m | 3:09PM0.12m | 8:22PM0.17m | 4:28AM0.29m | 4:03PM0.14m | 9:17PM0.17m | 5:10AM0.29m | 4:59PM0.16m |
 |  | |  |  | | | | |  | | | |  | | | | | | | | |
 | — | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:22 | — |
 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:36 | — | — | 5:35 | — | — | 5:35 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 12 | 14 | 12 | 11 | 14 | 12 | 13 | 12 | 11 | 12 | 12 | 12 | 13 | 13 | 15 | 16 | 16 | 16 | 16 | 17 |
6 | 8 | 11 | 8 | 5 | 8 | 7 | 7 | 5 | 5 | 7 | 7 | 8 | 10 | 9 | 13 | 13 | 13 | 14 | 16 | 17 | |
Swell 1 Height (m) Direction Period (s) | S 8 | S 9 | S 10 | SSE 15 | SSE 14 | S 13 | S 12 | S 14 | SSE 16 | SSE 14 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SE 11 | SE 11 | SSE 11 | SSE 10 | SSE 10 |
 kJ | 165 | 202 | 226 | 1214 | 572 | 395 | 404 | 925 | 2305 | 2247 | 2140 | 1680 | 1190 | 908 | 699 | 491 | 354 | 258 | 128 | 121 | 90 |
Swell 2 Height (m) Direction Period (s) | S 16 | — | SSE 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 15 | SE 13 | — | — |
| kJ | 5 | — | 92 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 44 | — | — |
Swell 3 Height (m) Direction Period (s) | E 7 | — | SE 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | 95 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 8 | S 9 | — | — | WNW 3 | W 3 | WNW 3 | S 14 | S 16 | S 14 | — | — | — | — | — | — | ENE 4 | ENE 4 | E 5 | ENE 5 | ENE 5 |
| kJ | 252 | 436 | — | — | 1 | 5 | 1 | 1914 | 4132 | 3832 | — | — | — | — | — | — | 9 | 14 | 22 | 27 | 32 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 46 | 33 | 33 | 33 | 58 | 58 | 46 | 57 | 470 | 460 | 448 | 448 | 57 | 57 | 615 | 206 | 33 | 61 | 60 | 33 | 33 |
Best forecast wave conditions in Rio Grande Do Sul | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 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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