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Surf Forecasts:
Ronco do Mar surfForecast / Ceará / Brazil
48hr Weather and Surf, issued 2 pm Monday 18 May 2026 -03Forecast update in hr min s Forecast update imminent
Ronco do Mar surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ronco do Mar sea temperature is
28.8° C
(Which is slightly warmer than usual)How big are the waves at Ronco do Mar today?
The current surf forecast for Ronco do Mar at 10PM is: 0.8m 11s primary swell from a North-northeast direction and 0.4m 11s secondary swell from a North-northeast direction, 1.0m 5s secondary swell from a East direction (forecast issued at 02:00pm May 18). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 2.5ft (0.8m) | 9s |
| Evening (18 May) | 2.5ft (0.8m) | 11s |
Table - waves today at Ronco do Mar. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Warm (max 28°C on Mon afternoon, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
NNE 9 | NNE 9 | NNE 9 | NNE 11 | NNE 11 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 9 | NNE 9 | E 6 | E 6 | E 6 | NNE 9 | E 6 | E 6 | E 6 | |
71 | 96 | 78 | 128 | 128 | 103 | 105 | 105 | 81 | 81 | 81 | 81 | 81 | 103 | 100 | 96 | 92 | 92 | 88 | 88 | 71 | 72 | 75 | 80 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross-off | |
High Tide | 5:55PM2.55m | 6:08AM2.79m | 6:49PM2.44m | 7:02AM2.67m | 7:46PM2.30m | 8:00AM2.53m | ||||||||||||||||||
Low Tide | 11:39AM-0.07m | 11:51PM0.26m | 12:31PM0.03m | 00:43AM0.38m | 1:27PM0.18m | 1:39AM0.53m | ||||||||||||||||||
 | |  | |  |  |  |  |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — |
 | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | 5:30 |
1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 28 | 27 | 26 | 26 | 26 | 25 | 26 | 28 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 28 | 28 | 26 | 26 | 26 | 25 | 25 | 26 |
28 | 29 | 29 | 28 | 28 | 28 | 26 | 27 | 28 | 27 | 27 | 27 | 29 | 27 | 27 | 26 | 28 | 29 | 27 | 28 | 29 | 27 | 27 | 28 | |
Swell 1 Height (m) Direction Period (s) | NNE 9 | NNE 9 | NNE 9 | NNE 11 | NNE 11 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 |
 kJ | 71 | 96 | 78 | 128 | 128 | 103 | 105 | 105 | 81 | 81 | 81 | 81 | 81 | 103 | 100 | 96 | 92 | 70 | 68 | 67 | 67 | 67 | 65 | 67 |
Swell 2 Height (m) Direction Period (s) | NNE 11 | NNE 11 | NE 11 | NNE 11 | NNE 11 | NNE 11 | — | — | — | — | — | — | — | — | — | N 16 | — | — | N 15 | N 15 | N 14 | N 14 | N 15 | N 14 |
| kJ | 47 | 47 | 31 | 47 | 40 | 40 | — | — | — | — | — | — | — | — | — | 5 | — | — | 4 | 4 | 4 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | ENE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 5 | E 5 | E 5 | E 5 | E 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | 32 | 49 | 53 | 53 | 55 | 69 | 72 | 75 | 66 | 66 | 66 | 53 | 41 | 48 | 60 | 88 | 89 | 92 | 88 | 88 | 71 | 72 | 75 | 80 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1069 | 736 | 1907 | 610 | 525 | 525 | 2 | 1206 | 1806 | 1806 | 70 | 554 | 610 | 2 | 0 | 1068 | 1823 | 1806 | 1806 | 70 | 1000 | 978 | 2 | 1017 |
Best forecast wave conditions in Ceará | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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