Tide
โฑ๏ธs.
โšก๏ธkJ
Tijdzone:
Europe/London
Wind: SN UNITY Atmos
(20260316 03z)
Golven: SN UNITY WAVE
(20260316 03z)
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Golfopbouw

Swell 1Swell 2Swell 3Wind waves

Borth Surf Forecast Eigenschappen

Swell venster
WZW - WZW
Swell hoogte
3ft - 8ft
Swell breekt over
Zand
Golftypes
Strand
Golfrichtingen
Rechts, Links
Wind venster
ONO - OZO
Werkende getijden
Laag, Mid, Hoog
Niveau
Beginner, Gevorderde
Seizoenen
Winter
Boardtypes
Funboard, Fish, Longboard, Sup, Kiteboard

Borth Surf Forecast Gids

Borth is a surf spot located along a long stretch of sandy beach that features some mediocre shifting peaks. This spot can be a bit fickle and generally needs a solid SW swell to bring in quality waves. On good days, you might find some waves near the point in town, but don't expect it to be consistent. Overall, it can be a nice place to chill without the hustle and bustle of busier spots nearby.

The surf here tends to work best when the swell is coming from the West-Southwest, handling sizes from about 3ft to 8ft (0.9m to 2.4m). Waves typically break both right and left over a sandy bottom, so you get a bit of variety. If you're planning to paddle out, be aware of the longshore drift, but itโ€™s manageable. The surf is often best on a pushing tide, particularly around low to mid tide and can still be fun all the way up to high tide. The preferred winds are from the East-North-East, East, and East-South-East, so keep that in mind when checking the forecast.

Access to Borth is straightforward with beachfront parking available. The crowd factor is usually quite low, which is a plus if you prefer more space in the water. This spot is suitable for beginners and intermediates alike, making it a decent choice if you're looking to practice. In the winter months, particularly from December to February, expect bigger swells and stormier conditions, which can bring some excitement to your session.

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 youโ€™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:

๐Ÿ”ฎ 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.

๐Ÿ’จ Wind section

The first row on the table (with the ๐Ÿ’จ icon) shows wind speed, direction and gust. The more the wind speed the more aggressive the color (from blue, green, orange to red).

๐ŸŒŠ 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.

๐ŸŒ’ 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 โ€” handy when arrows overlap.

Forecast Cheat Sheet

Short on time? Focus on wave energy. Itโ€™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. Hereโ€™s the scale:

Perfect
Good
Average
Bad or No Data

Session logs also feed the algorithm โ€” the more you log, the smarter your forecasts get.

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

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