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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 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)How big are the waves at Hermenegildo today?
The current surf forecast for Hermenegildo at 8PM is: 1.2m 6s primary swell from a South direction and 0.2m 14s secondary swell from a South-southeast direction, 0.1m 8s secondary swell from a East direction (forecast issued at 02:00pm May 17). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | - | - |
| Afternoon (17 May) | 4ft (1.2m) | 5s |
| Evening (17 May) | 4ft (1.2m) | 6s |
Table - waves today at Hermenegildo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 14°C on Mon afternoon, min 7°C on Tue morning). Winds increasing (light winds from the SW on Mon afternoon, fresh winds from the SSW by Wed morning). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 5 | S 5 | S 6 | S 6 | S 8 | S 8 | S 9 | S 9 | S 10 | S 10 | SSE 13 | SSE 17 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 14 | S 14 | |
45 | 79 | 92 | 96 | 246 | 182 | 274 | 207 | 262 | 226 | 492 | 1238 | 1214 | 1106 | 862 | 572 | 431 | 395 | 304 | 216 | 341 | 425 | 1705 | 1748 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | off | off | off | off | off | off | off | off | off | off | cross-off | off | cross-off | |
High Tide | 2:12PM0.37m | 7:59PM0.70m | 1:47AM0.14m | 8:45AM0.44m | 2:56PM0.37m | 8:52PM0.76m | 2:18AM0.16m | 9:36AM0.42m | 3:41PM0.35m | 9:45PM0.79m | 2:52AM0.20m | |||||||||||||
Low Tide | 11:06AM0.16m | 4:20PM0.29m | 00:17AM0.10m | 4:54AM-0.08m | 11:53AM0.14m | 5:06PM0.28m | 1:14AM0.15m | 5:46AM-0.13m | 12:40PM0.13m | 5:53PM0.25m | 2:10AM0.20m | 6:38AM-0.15m | ||||||||||||
 | |  |  | | |  |  | | | | | | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:20 | — |
 | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | 5:37 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 12 | 11 | 11 | 11 | 11 | 10 | 11 | 12 | 13 | 14 | 12 | 11 | 9 | 8 | 7 | 11 | 14 | 13 | 12 | 9 | 9 | 8 | 9 |
7 | 6 | 5 | 6 | 6 | 7 | 6 | 8 | 8 | 10 | 12 | 9 | 7 | 5 | 4 | 2 | 6 | 8 | 9 | 8 | 4 | 4 | 2 | 4 | |
Swell 1 Height (m) Direction Period (s) | SE 15 | SE 12 | SSE 14 | SSE 13 | S 8 | S 9 | S 9 | S 9 | S 10 | S 10 | SSE 13 | SSE 17 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 14 | SSE 14 |
 kJ | 9 | 6 | 20 | 17 | 165 | 153 | 164 | 207 | 262 | 226 | 492 | 1238 | 1214 | 1106 | 862 | 572 | 431 | 395 | 304 | 216 | 341 | 425 | 665 | 811 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | — | S 16 | SE 16 | SE 16 | — | S 21 | SSE 13 | SSE 18 | — | — | — | — | — | — | — | — | SSE 14 | — | — | — | — |
| kJ | 1 | 1 | 1 | — | 5 | 10 | 10 | — | 9 | 90 | 286 | — | — | — | — | — | — | — | — | 71 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 8 | — | — | — | E 7 | E 7 | E 7 | — | — | SE 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | — | 1 | 1 | 1 | — | — | 95 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 5 | S 5 | S 6 | S 6 | S 8 | S 8 | S 9 | — | — | — | — | — | — | — | — | WNW 3 | — | — | W 3 | — | W 3 | — | S 14 | S 14 |
| kJ | 45 | 79 | 92 | 96 | 246 | 182 | 274 | — | — | — | — | — | — | — | — | 1 | — | — | 3 | — | 6 | — | 1705 | 1748 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 448 | 448 | 448 | 142 | 57 | 33 | 33 | 33 | 57 | 57 | 33 | 33 | 33 | 33 | 33 | 58 | 58 | 58 | 33 | 46 | 46 | 57 | 57 | 57 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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