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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 2 pm Saturday 18 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
21.4° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at Hermenegildo today?
The current surf forecast for Hermenegildo at 10PM is: 1.2m 7s primary swell from a South direction and 0.9m 8s secondary swell from a South direction, 0.3m 8s secondary swell from a East-southeast direction (forecast issued at 02:00pm April 18). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | - | - |
| Afternoon (18 Apr) | 4.5ft (1.4m) | 8s |
| Evening (18 Apr) | 4.5ft (1.3m) | 7s |
Table - waves today at Hermenegildo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 11 | 8 | 8 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 295 | 233 | 117 | 186 | 159 | 72 | 74 | 55 | 39 | 36 | 46 | 42 | 45 | 69 | 81 | 103 | 128 | 123 | 172 | 172 | 169 | 137 | 134 | 110 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 2:19PM 0.36 | 8:26PM 0.59 | 2:21AM 0.16 | 9:09AM 0.50 | 3:06PM 0.37 | 9:16PM 0.68 | 2:51AM 0.15 | 9:59AM 0.48 | 3:54PM 0.36 | 10:06PM 0.74 | 3:21AM 0.16 | |||||||||||||
Low Tide / height (m) | 11:35AM 0.20 | 4:55PM 0.22 | 12:25AM 0.10 | 5:15AM -0.02 | 12:21PM 0.20 | 5:37PM 0.23 | 1:26AM 0.12 | 6:04AM -0.09 | 1:07PM 0.18 | 6:19PM 0.23 | 2:29AM 0.15 | 6:53AM -0.13 | ||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 |
| Sunset | - | - | 6:06 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:04 | - | - | - | - | - |
 | | |  | | | | | | | | | | |  |  |  | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 23 | 20 | 20 | 19 | 17 | 17 | 17 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 |
| Feels °C (?) | 18 | 21 | 18 | 19 | 18 | 15 | 15 | 15 | 21 | 20 | 19 | 20 | 20 | 19 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 20 | 20 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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