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São Francisco do Sul / Prainha

Prainha

Data 100%

Spot data

Shows how much this spot read is supported by available data, such as waves, wind, tide, and local spot settings. 100% does not guarantee perfect surf. It means we have enough data to generate a more complete read.

Prainha brings wave, wind, tide, and best-window signals into a clear read for choosing the session.

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AI summary for today and tomorrow.

We are writing the session summary.

We are turning the surf signals into a short read for choosing the session.

Today · Thu 17

No truly inviting surf window showed up for this day.

Hourly details

10-day forecast Free account
Today · Thu 17 Tomorrow · Fri 18 Sat 19
Time 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Quality Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Bad Poor Poor Poor Poor Bad Bad Bad Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor Poor
Sessions — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Community — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Wave (m) 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.5 0.6 0.6 0.7 0.7 0.7 0.7 0.7 0.7 0.8 0.8 0.8 0.8 0.8 0.8 0.7 0.7 0.7 0.7 0.7 0.8 0.8 0.8 0.8 0.9 0.9 0.9
Per (s) 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 8 8 8 8 8 8 7 7 7 7 7 6 6 6 6 6 6 6 6 6 6 6 6 5 5 5 5 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
Swell 1 (m) 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.3 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 E← 0.3 E← 0.3 E← 0.4 E← 0.4 E← 0.4 E← 0.5 E← 0.5 E← 0.5 E← 0.6 E← 0.6 E← 0.6 E← 0.6 E← 0.6 E← 0.6 E← 0.6 E← 0.6 E← 0.6 E← 0.6 E← 0.6 E← 0.6 E← 0.6 E← 0.6 E← 0.6 E← 0.7 E← 0.7 E← 0.7 E← 0.7 E←
Swell 2 (m) 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.1 E← 0.1 E← 0.1 E← 0.1 E← 0.1 E← 0.1 E← 0.1 E← 0.1 E← 0.1 E← 0.1 E← 0.1 E← 0.1 E← 0.1 E← 0.1 E← 0.1 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 E← 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.2 SE↖ 0.1 SE↖ 0.1 SE↖ 0.1 SE↖ 0.1 SE↖ 0.1 SE↖ 0.1 SE↖ 0.1 SE↖ 0.1 E← 0.1 NE↙ 0.1 N↓ 0.1 N↓ 0.1 N↓ 0.1 N↓ 0.1 N↓ 0.1 N↓ 0.1 N↓ 0.1 NE↙ 0.1 NE↙ 0.1 NE↙ 0.1 E← 0.1 SE↖
Wind (km/h) 4 SE ↖ 1 SW ↗ 4 W → 8 W → 9 W → 11 W → 12 W → 12 W → 9 SW ↗ 8 SW ↗ 7 S ↑ 8 SE ↖ 9 SE ↖ 10 SE ↖ 10 SE ↖ 10 E ← 10 SE ↖ 10 SE ↖ 8 SE ↖ 7 E ← 6 E ← 5 E ← 5 E ← 10 NE ↙ 7 N ↓ 3 NW ↘ 4 NW ↘ 6 W → 7 W → 8 W → 9 SW ↗ 8 SW ↗ 5 SW ↗ 2 S ↑ 2 S ↑ 4 E ← 6 E ← 7 E ← 5 SE ↖ 7 E ← 8 NE ↙ 12 NE ↙ 16 NE ↙ 18 NE ↙ 19 NE ↙ 19 NE ↙ 21 NE ↙ 19 NE ↙ 20 NE ↙ 19 NE ↙ 20 NE ↙ 21 NE ↙ 20 NE ↙ 20 NE ↙ 20 NE ↙ 21 NE ↙ 21 NE ↙ 19 NE ↙ 24 NE ↙ 21 NE ↙ 22 NE ↙ 21 NE ↙ 21 NE ↙ 21 NE ↙ 22 NE ↙ 24 NE ↙ 23 NE ↙ 26 NE ↙ 26 NE ↙ 26 NE ↙ 26 NE ↙ 26 NE ↙
Gusts (km/h) 9 5 5 13 17 20 23 24 23 22 22 24 27 28 28 27 27 25 22 15 10 10 6 19 19 11 7 13 14 15 17 16 15 14 12 15 18 19 19 18 19 26 29 34 36 36 40 39 37 38 38 39 39 37 37 39 41 41 47 51 45 45 45 44 42 46 47 49 52 50 51 51
Tide Mid ↑ High ↑ High ↓ Low ↓ Low ↑ Mid ↑ High ↑ High ↓ Mid ↓ Low ↓ Low ↓ Low ↑ Mid ↑ High ↑ High ↑ Mid ↓ Low ↓ Mid ↑ High ↑ High ↓ Mid ↓ Low ↓ Low ↓ Low ↑ Mid ↑ High ↑ High ↑ Mid ↓ Low ↓ Low ↑ High ↑ High ↑ High ↓ Low ↓ Low ↓ Low ↑ Mid ↑ High ↑ High ↑ High ↓ Low ↓ Low ↓ Mid ↑ High ↑ High ↓ Low ↓ Low ↓ Low ↑ Low ↑ Mid ↑ High ↑ High ↑ Mid ↓ Low ↓ Low ↑ High ↑ High ↑ Mid ↓ Low ↓ Mid ↑ High ↑ Low Low High ↓ High ↓ Low ↓ Low ↓ Mid ↑ High ↑ Mid ↓ Low ↓ Mid ↑

Surf quality

Quality summarizes how favorable the forecast conditions are for surfing, from worst to best.

  • Bad Unfavorable conditions, with no shape or very difficult surf.
  • Poor Weak, below-average conditions with little potential.
  • Fair Surfable, but with limitations in shape or conditions.
  • Good Favorable conditions, with good shape and potential for a good session.
  • Epic Exceptional conditions for the spot, close to the best it can offer.

Your sessions

Shows the sessions you recorded in conditions similar to those forecast for each time. To find similar sessions, we consider the spot, wave height, period, swell, wind, and tide.
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Use your sessions here

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Community rating

Shows the average sea rating from sessions at this spot in conditions similar to those forecast for each time. To find similar sessions, we consider wave height, period, swell, wind, and tide.
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Nearby spots

Jump between nearby breaks without leaving the forecast flow.

Praia de Ubatuba 2 km Praia Grande 8 km Barra do Sul 28 km

Source: Open-Meteo | TideCheck