Banana Beach - KZN SA
Hourly
Confidence
Compare
⏱️s.
⚡️kJ
Tuesday 18
Wednesday 19
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Sunday 23
Tap a forecast cell to explore conditions on the map.
Timezone:
Africa/Johannesburg
Wind: GFS
(20251117 18z)
Waves: GFS WAVE
(20251117 18z)
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Banana Beach - KZN SA surf guide

Banana Beach is a surf spot located in KwaZulu-Natal, South Africa. It's known for its mellow vibe and long stretch of sandy beach. The spot offers a mix of waves for those looking for a fun session. With the nearby river mouth and rocks at the southern point, the beach can provide some decent surf when conditions line up right. It’s a place where you can enjoy a laid-back surf day with friends or just take it easy on the beach.

The waves at Banana Beach can be pretty fun, especially when the swell is from the south. Ideal conditions happen with swells coming from the south-east or south-west, and it can handle swell sizes of around 2 feet (0.6 meters) and up. The left-breaking waves can peel nicely back towards the river channel, making it a nice spot to catch some rides. With the right wind from the west, this place turns into a playground for intermediate surfers looking to challenge themselves on the fast, right-handers. Although it can be a bit hit or miss depending on the swell and tide, it’s definitely worth checking out.

When it comes to tides, Banana Beach works well during low, mid, and high tides, giving flexibility to surfers. If you’re up for a bit of an adventure, taking a walk up the beach can reveal some left-hand waves, especially in bigger east swells. Keep an eye out and see what you can find. Overall, it's a solid spot for a surf session, provided the conditions are right.

Surf reports and surf forecasts nearby Banana Beach - KZN SA

Shelley Beach - KZN SA
Kwa Zulu Natal, South Africa
Beach break
Tue 18
Wed 19
Thu 20
Fri 21
Sat 22
Sun 23
Mon 24
Tue 25
Wed 26
Thu 27
Fri 28
Sat 29
Banana Beach - KZN SA
Kwa Zulu Natal, South Africa
Reef break
Tue 18
Wed 19
Thu 20
Fri 21
Sat 22
Sun 23
Mon 24
Tue 25
Wed 26
Thu 27
Fri 28
Sat 29
Sunwich Port
Kwa Zulu Natal, South Africa
Reef break
Tue 18
Wed 19
Thu 20
Fri 21
Sat 22
Sun 23
Mon 24
Tue 25
Wed 26
Thu 27
Fri 28
Sat 29
Umzumbe
Kwa Zulu Natal, South Africa
Point break
Tue 18
Wed 19
Thu 20
Fri 21
Sat 22
Sun 23
Mon 24
Tue 25
Wed 26
Thu 27
Fri 28
Sat 29
The Spot - KZN SA
Kwa Zulu Natal, South Africa
Point break
Tue 18
Wed 19
Thu 20
Fri 21
Sat 22
Sun 23
Mon 24
Tue 25
Wed 26
Thu 27
Fri 28
Sat 29
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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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 choices the "dominant wave". This is normally the first swell partition, but with heavy local storms it displays the wind waves. If that's the case, we display the numbers in italic and in gray.

🌒 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.

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