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Surf Forecasts:
Ilha dos Lobos surfForecast / Rio Grande Do Sul / Brazil
48hr Weather and Surf, issued 2 am Monday 18 May 2026 -03Forecast update in hr min s Forecast update imminent
Ilha dos Lobos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ilha dos Lobos sea temperature is
19.6° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Ilha dos Lobos today?
The current surf forecast for Ilha dos Lobos at 6AM is: 1.2m 5s primary swell from a South direction and 0.5m 9s secondary swell from a South direction, 0.3m 14s secondary swell from a South-southeast direction (forecast issued at 02:00am May 18). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5ft (1.5m) | 6s |
| Afternoon (18 May) | 6ft (1.9m) | 7s |
| Evening (18 May) | 5ft (1.6m) | 8s |
Table - waves today at Ilha dos Lobos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Mon morning. Very mild (max 19°C on Wed afternoon, min 11°C on Mon night). Winds decreasing (fresh winds from the SW on Mon morning, calm by Tue afternoon). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 10 | S 10 | S 5 | S 6 | SSW 7 | S 7 | S 8 | S 8 | S 11 | SSE 13 | SSE 17 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | S 13 | S 13 | S 13 | S 13 | S 14 | SSE 16 | |
68 | 48 | 77 | 170 | 371 | 366 | 287 | 294 | 639 | 735 | 1843 | 1762 | 1631 | 1419 | 1060 | 861 | 599 | 563 | 468 | 573 | 1581 | 1298 | 2471 | 2310 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | glassy | cross-off | off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | |
High Tide | 00:24AM0.38m | 6:40AM0.15m | 1:47PM0.48m | 7:08PM0.59m | 00:56AM0.45m | 7:38AM0.13m | 2:22PM0.45m | 8:11PM0.61m | 1:33AM0.50m | 8:30AM0.12m | 3:00PM0.40m | |||||||||||||
Low Tide | 4:21AM0.08m | 9:23AM0.04m | 3:57PM0.42m | 10:37PM0.36m | 5:10AM0.03m | 10:09AM0.03m | 4:41PM0.36m | 11:19PM0.42m | 5:58AM0.02m | 10:58AM0.03m | 5:25PM0.30m | |||||||||||||
 | | |  | | | |  |  | | |  | | | | | | | | | | | | | |
 | — | — | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — |
 | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — |
2 | 4 | 4 | 2 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 12 | 14 | 15 | 15 | 13 | 13 | 12 | 12 | 12 | 17 | 19 | 16 | 14 |
14 | 12 | 9 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 12 | 13 | 15 | 11 | 11 | 10 | 10 | 9 | 14 | 13 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 9 | SSE 14 | S 7 | S 7 | S 7 | S 7 | SSE 7 | SSE 13 | SSE 17 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | S 13 | S 13 | S 13 | S 14 | SSE 14 | SSE 16 |
 kJ | 68 | 46 | 43 | 36 | 188 | 195 | 171 | 168 | 161 | 735 | 1843 | 1762 | 1631 | 1419 | 1060 | 861 | 599 | 563 | 468 | 573 | 812 | 1178 | 1533 | 2310 |
Swell 2 Height (m) Direction Period (s) | E 5 | SSE 15 | SSE 14 | E 7 | SSE 13 | SSE 12 | SSE 12 | ESE 6 | SSE 20 | SSE 19 | ESE 6 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | E 5 | E 5 | E 5 | E 5 | E 7 | E 7 | E 7 | E 7 | ENE 7 |
| kJ | 2 | 21 | 41 | 1 | 34 | 15 | 29 | 12 | 76 | 207 | 12 | 6 | 6 | 6 | 6 | 5 | 2 | 2 | 2 | 4 | 4 | 4 | 4 | 5 |
Swell 3 Height (m) Direction Period (s) | SSE 15 | SE 12 | E 7 | S 16 | SE 16 | SSE 16 | SSE 16 | SSE 15 | SSE 20 | ESE 6 | SE 11 | — | — | — | — | — | E 7 | — | — | — | ENE 7 | — | — | — |
| kJ | 23 | 6 | 1 | 5 | 10 | 24 | 25 | 44 | 77 | 13 | 4 | — | — | — | — | — | 1 | — | — | — | 5 | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 5 | S 5 | S 6 | SSW 7 | S 7 | S 8 | S 8 | S 11 | — | — | — | — | — | — | — | — | — | — | WSW 4 | S 13 | S 13 | S 14 | — |
| kJ | 34 | 48 | 77 | 170 | 371 | 366 | 287 | 294 | 639 | — | — | — | — | — | — | — | — | — | — | 10 | 1581 | 1298 | 2471 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 144 | 163 | 144 | 176 | 176 | 78 | 78 | 29 | 0 | 0 | 0 | 0 | 47 | 78 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 91 | 134 | 134 |
Best forecast wave conditions in Rio Grande Do Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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