Log Cabins Surf Forecast

Tide
⏱️s.
⚡️kJ
Tijdzone:
Pacific/Honolulu
Wind: SN UNITY Atmos
(20260404 13z)
Golven: SN UNITY WAVE
(20260404 13z)
Morgen za 04/04 tot zo 05/04
Geen surfvensters (2 dagen)
Ontgrendel 3 extra dagen in de tijdlijn
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Golfopbouw

Swell 1Swell 2Swell 3Wind waves

Log Cabins Surf Forecast Eigenschappen

Swell venster
W - NO
(Beste uit N)
Swell hoogte
6ft - 10ft
Swell breekt over
Oneven Rif
Golftypes
Riff
Golfrichtingen
Rechts
Wind venster
O - O
(Offshore uit O)
Werkende getijden
Mid, Hoog
Niveau
Expert
Seizoenen
Herfst, Winter, Lente
Boardtypes
Shortboard, Bodyboard, Bodysurfing, Gun, Tow

Log Cabins Surf Forecast Gids

Log Cabins is a surf spot located on the North Shore, known for its challenging conditions and dynamic surf. This 200-yard stretch of sand and lava reef sits right next to Rockpile, marking the western end of the Off-The-Wall area. It's often considered an alternative to more famous breaks like Pipeline, but it’s important to remember that this spot can be pretty intense and is definitely not for everyone. Surfing here can be life-changing on the right day, but it can also be quite dangerous, especially under certain conditions.

The wave typically breaks right and is affected by swells coming from the North, with optimal swell direction from the North and capable of handling sizes between 6 feet (about 1.8 meters) to 10 feet (around 3 meters). The bottom here is uneven, consisting of a mix of sharp reef and patches of sand, which means the waves can be unpredictable. You'll find wedged-up peaks that can produce heavy tubes but also hide deadly spikes just below the surface. On smaller days, Log Cabins can give you a fun, skatepark-like wave, but as the size goes up, expect it to turn into a serious challenge with significant danger.

Access to Log Cabins is pretty easy, with parking available along Kam Highway where it’s authorized. The crowd factor is moderate, so it's good etiquette to show humility and respect while out in the water. This spot works best during the winter months, but you might also find decent waves in the autumn and spring. As for the wind, conditions are optimal with calm or light to moderate winds coming from the east. Make sure you’re ready for a workout because the paddling is done close in and the rides aren’t super long. Most surfers here use shortboards, bodyboards, or tow vehicles for the bigger days, so be prepared for some serious action!

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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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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.

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