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Prainha Surf Forecast
/ Rio Grande Do Sul (19 surf breaks) /
Surf Forecasts:
Prainha surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 8 am Tuesday 04 Nov 2025 -03Forecast update in hr min s Forecast update imminent
Prainha surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Prainha sea temperature is
19.9° C
(Which is slightly cooler than normal)How big are the waves at Prainha today?
The current surf forecast for Prainha at 3PM is: 0.8m 8s primary swell from a East direction and 0.6m 5s secondary swell from a South-southeast direction (forecast issued at 08:00am November 04). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Nov) | 3ft (0.9m) | 8s |
| Afternoon (04 Nov) | 2.5ft (0.8m) | 8s |
| Evening (04 Nov) | 2ft (0.6m) | 12s |
Table - waves today at Prainha. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 04 | Wednesday 05 | Thursday 06 | Fri 07 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 8 | 12 | 12 | 15 | 14 | 13 | 13 | 12 | 14 | 13 | 13 | 12 | 7 | 12 | 12 | 12 | 11 | 11 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 100 | 100 | 80 | 80 | 78 | 110 | 144 | 288 | 341 | 299 | 269 | 437 | 327 | 286 | 277 | 205 | 208 | 208 | 195 | 189 | 217 | 356 | 983 | 911 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross- on | on | on | cross- on | cross | cross- off |
High Tide / height (m) | 3:40PM 0.37 | 12:15AM 0.49 | 3:31AM 0.46 | 12:00PM 0.31 | 4:59PM 0.26 | 12:43AM 0.51 | 5:14AM 0.48 | 12:14PM 0.35 | 6:15PM 0.17 | 1:17AM 0.51 | ||||||||||||||
Low Tide / height (m) | 7:35AM 0.03 | 7:39PM 0.14 | 2:37AM 0.46 | 8:27AM 0.10 | 2:53PM 0.22 | 8:15PM 0.11 | 3:11AM 0.45 | 9:17AM 0.20 | 3:56PM 0.11 | 8:53PM 0.08 | ||||||||||||||
Tuesday 04 | Wednesday 05 | Thursday 06 | Fri 07 | |||||||||||||||||||||
| Sunrise | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:42 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:44 | - | - | - |
 | | | | |  | | | | | | |  |  | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 21 | 22 | 21 | 20 | 20 | 19 | 19 | 20 | 23 | 25 | 23 | 19 | 18 | 18 | 16 | 17 | 18 | 19 | 19 | 18 | 17 | 16 | 16 |
| Feels °C (?) | 21 | 23 | 22 | 21 | 20 | 21 | 20 | 20 | 21 | 24 | 26 | 20 | 15 | 15 | 16 | 14 | 16 | 16 | 17 | 17 | 16 | 15 | 13 | 14 |
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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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