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Hermenegildo Surf Forecast
/ Rio Grande Do Sul (19 surf breaks) /
Surf Forecasts:
Hermenegildo surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 8 am Tuesday 21 Apr 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
21.9° C
(Which is 2.6°C warmer than normal for this time of year)How big are the waves at Hermenegildo today?
The current surf forecast for Hermenegildo at 3PM is: 0.7m 10s primary swell from a Southeast direction and 0.4m 5s secondary swell from a South-southeast direction, 0.4m 4s secondary swell from a East-northeast direction (forecast issued at 08:00am April 21). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 2.5ft (0.7m) | 10s |
| Afternoon (21 Apr) | 2.5ft (0.7m) | 10s |
| Evening (21 Apr) | 2ft (0.6m) | 10s |
Table - waves today at Hermenegildo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 7 | 7 | 8 | 8 | 9 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 115 | 110 | 106 | 104 | 82 | 80 | 65 | 65 | 48 | 47 | 47 | 46 | 36 | 50 | 54 | 54 | 49 | 93 | 39 | 36 | 34 | 22 | 22 | 22 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | off | off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | on | on | on |
High Tide / height (m) | 3:21AM 0.16 | 10:48AM 0.45 | 4:44PM 0.34 | 10:56PM 0.77 | 11:37AM 0.42 | 5:36PM 0.31 | 11:47PM 0.77 | 12:25PM 0.39 | 6:31PM 0.29 | 12:40AM 0.74 | ||||||||||||||
Low Tide / height (m) | 6:53AM -0.13 | 1:55PM 0.16 | 7:03PM 0.22 | 7:44AM -0.13 | 2:45PM 0.14 | 7:48PM 0.22 | 8:36AM -0.10 | 3:36PM 0.12 | 8:36PM 0.22 | |||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| Sunrise | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:00 | - | - | - |
 |  |  | |  |  |  | |  |  | | | | | | | | | | | | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 21 | 21 | 19 | 18 | 17 | 16 | 16 | 16 | 18 | 18 | 18 | 18 | 18 | 18 |
| Feels °C (?) | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 20 | 19 | 19 | 21 | 19 | 18 | 16 | 16 | 15 | 15 | 15 | 18 | 17 | 17 | 17 | 17 | 17 |
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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