Savu Left
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Hourly Forecast
Timezone: Asia/Makassar
⏱️s.
⚡️kJ
Friday 29
Saturday 30
Sunday 31
Monday 01
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Wednesday 03
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Savu Left surf guide

Savu Left is located on Savu Island, which is the largest island with a population of around 30,000 people. This spot is pretty remote and not really set up for western tourists, so getting there requires boat access only. The main channel leading into the port town of Seba is where you'll find Savu Left. It’s a spot that can serve up some decent waves, but you won’t find it in the usual tourist guides.

The waves at Savu Left break over dead coral, which can get heavy at times, especially when the swell comes from the west or southwest. You'll want to aim for swell sizes around 3 feet (about 1 meter) for the best action. The waves tend to have hollow sections, making it a nice ride if the conditions are right. For optimal results, the preferable wind direction is southeast, and the spot works across low, mid, and high tides. This is generally a spot for intermediate surfers due to the nature of the reef and the usual wave conditions.

While you're out there, keep an eye out for urchins hidden in the coral, as they can be a bit of a nuisance. There are also some other potential lefts between the harbor and the exposed outside reef, so if you have the chance, explore those as well. Overall, Savu Left can dish out some fun surf, but be prepared for a bit more adventure due to the remoteness and local vibe.

Surf reports and surf forecasts nearby Savu Left

Do'o
Unknown Region, Unknown Country
Reef break
Error fetching forecast: Closest tide forecast series not found
T-Land
Unknown Region, Unknown Country
Reef break
Error fetching forecast: Closest tide forecast series not found
Boa
Unknown Region, Unknown Country
Reef break
Error fetching forecast: Closest tide forecast series not found
Peanuts
Unknown Region, Unknown Country
Reef break
Error fetching forecast: Closest tide forecast series not found
Ndao
Unknown Region, Unknown Country
Reef break
Error fetching forecast: Closest tide forecast series not found
N'Dana
Unknown Region, Unknown Country
Reef break
Error fetching forecast: Closest tide forecast series not found
Savu Right
Unknown Region, Unknown Country
Reef break
Fri 29
Sat 30
Sun 31
Mon 1
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Wed 3
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Savu Left
Unknown Region, Unknown Country
Reef break
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Mon 8
Tue 9
Raijua
Unknown Region, Unknown Country
Reef break
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Mon 8
Tue 9
Pulau Dana
Unknown Region, Unknown Country
Reef break
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
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Fri 5
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Tue 9
Wind certainty

Wind certainty tells you how much the weather models agree on the forecast.

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

We calculate this by comparing wind speed, gust and direction from multiple models (like GFS, ECMWF, Arome, and Harmonie) and seeing how closely they match. They are weighted, meaning that some models count more than others, depending on how good they are for a certain spot.

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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