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Surf forecast voor J-Bay

Tide
⏱️s.
⚡️kJ
Tijdzone:
Africa/Johannesburg
Forecast bijgewerkt:
27/06, 08:00
Wind: SN UNITY Atmos
(20260626 18z)
Golven: SN UNITY WAVE
(20260626 18z)
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Tijdlijn

Vandaag za 27/06
06:58 - 09:00
Stevig, maar blown out (matige cross-onshore wind).
09:00 - 12:00
Stevig met matige sideshore wind.
12:00 - 14:00
Stevig met matige sideshore wind.
14:00 - 17:47
Beste
Stevig met lichte cross-offshore wind.

J-Bay Surf Forecast Gids

Engelse gids beschikbaar

Deze spotgids is nog niet beschikbaar in het Nederlands. Je kunt de volledige gids in het Engels lezen.

Lees de Engelse gids

Surfspots in de buurt van J-Bay

Kromme Rivermouth
Eastern Cape, South Africa
Strand break
Sat 27
Sun 28
Mon 29
Tue 30
Wed 1
Albatross to Kitchens
Eastern Cape, South Africa
Riff break
Sat 27
Sun 28
Mon 29
Tue 30
Wed 1
Hullet's Reef
Eastern Cape, South Africa
Riff break
Sat 27
Sun 28
Mon 29
Tue 30
Wed 1
J-Bay
Eastern Cape, South Africa
Point break
Sat 27
Sun 28
Mon 29
Tue 30
Wed 1
Claptons Coils
Eastern Cape, South Africa
Riff break
Sat 27
Sun 28
Mon 29
Tue 30
Wed 1

Veelgestelde vragen

Wat zijn goede surfcondities voor J-Bay?

J-Bay is meestal het best met swell uit SW-SE, idealiter SW rond 0.6 m / 2 ft tot 3.7 m / 12 ft, offshore wind uit SW, en elk getij.

Waar ligt surfspot J-Bay?

J-Bay is een surfspot in Jeffreys Bay, Eastern Cape, South Africa.

Hoe is de surfbreak bij J-Bay?

J-Bay is een point break over stenen en zand met rechtse golven. Reken meestal op zeer druk in het water.

Voor welk surfniveau is J-Bay geschikt?

J-Bay is geschikt voor surfers met niveau expert.

Is J-Bay geschikt voor beginnende surfers?

J-Bay is beter geschikt voor surfers met niveau expert.

Hoe consistent is de surf bij J-Bay?

J-Bay is een van de consistentere surfspots in Eastern Cape, South Africa.

Welke faciliteiten zijn er voor surfers bij J-Bay?

Faciliteiten voor surfers bij J-Bay: toiletten, douches, camping, surfschool, en surfshop.

Kun je parkeren om te surfen bij J-Bay?

Parkeren rond J-Bay: gratis en aan de straat.

Welke surfspots liggen in de buurt van J-Bay?

Andere surfspots in de buurt zijn Albatross to Kitchens, Claptons Coils, Kromme Rivermouth, en Hullet's Reef.

Welke swellrichting werkt voor surfen bij J-Bay?

J-Bay kan werken met swell uit SW-SE; SW is meestal het best.

Welke swellhoogte werkt voor surfen bij J-Bay?

J-Bay werkt meestal met swell rond 0.6 m / 2 ft tot 3.7 m / 12 ft.

Welke windrichting werkt het best voor surfen bij J-Bay?

Offshore wind uit SW is meestal het best bij J-Bay.

Welke windrichting is offshore voor surfen bij J-Bay?

Offshore wind komt bij J-Bay uit SW.

Welk getij werkt het best voor surfen bij J-Bay?

J-Bay kan op alle getijden werken. Opkomend tij is meestal beter.

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Confidence

Confidence tells you how much the weather models agree on the forecast.

  • High confidence: Models agree closely; forecast is reliable.
  • Medium confidence: Some disagreement; conditions may shift slightly.
    • Low confidence: Models diverge; treat forecast with caution.

We calculate the wind confidence by comparing wind speed, gust and direction from multiple models (like GFS, ECMWF, Arome, and Harmonie) and seeing how closely they match. For wave certainty we compare height, period and direction, also on multiple models. They are weighted, meaning that some models count more than others, depending on how good they are for a certain spot.

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Delen

Readme

Welcome! If you’re new to surf forecasting, check out this quick guide.

Forecast Table

The forecast table (the section on the page with all the numbers) is designed to pack as much information in the screen as possible. Although intimidating at first, it will help you make informed decisions about the waves faster, trust me :D. The table consists of roughly four sections, time and predictions, wind, waves, and tides:

🔮 Time and predictions section

Here we show the forecast thour and the overall surf quality prediction. This is determined based on the wave, wind and tide quality prediction. These individual predictions can be found on the forecast map.

💨 Wind section

The first row on the table (with the 💨 icon) shows wind speed, direction and gust. The more the wind speed the more aggressive the color (from blue, green, orange to red).

🌊 Wave section

The waves section consists of three rows, one for wave height and direction, one for period and one for wave energy. Our algorithm chooses the "dominant wave" using spot-adjusted surf energy (depth + directional fit). This is usually the first swell partition, but during local storms it can switch to wind waves. If that happens, values are shown in gray and italic.

🌒 Tide section

The tide section consists of a row with the actual heights per hour (measured at the half hour) and a table that displays the flow of the tide and the extremes (lows and highs).

Forecast map

The forecast map consists of arrows. These arrows represent all wave partitions (swell partitions and wind wave partition) and the wind. This allows you to see things like: a secondary swell or wind waves messes up the surf, or the wind is just a tick offshore so very surfable. Click a metric label in the bottom left to bring that arrow to the front — handy when arrows overlap.

Forecast Cheat Sheet

Short on time? Focus on wave energy. It’s the best single metric to gauge how big and powerful the waves will be.

Click any table cell to jump to that forecast hour. The map will update with forecast arrows, so you can see if wind and swell direction are lining up.

Use the table sidebar to switch units for height and speed.

Log your surf sessions to compare forecasts with real sessions and sharpen future predictions.

Models and Updates

Surfnerd blends multiple global and local wind and swell models using advanced interpolation and spatial techniques to create an "ensemble" forecast. Forecasts are refreshed hourly.

Surf Predictions

Our AI-driven algorithm scores surf quality, shown by green, orange, and gray dots. Each forecast hour is rated for wind, swell, and tide quality, then combined into an overall score. Here’s the scale:

Perfect
Good
Average
Bad or No Data

Session logs also feed the algorithm — the more you log, the smarter your forecasts get.

With Surfnerd, no more "you should have been here yesterday"

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