Gili Air
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Hourly
Timezone: Asia/Makassar
โฑ๏ธs.
โšก๏ธkJ
Sunday 19
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Tap a forecast cell to explore conditions on the map.

Gili Air surf guide

Gili Air is a small island in Indonesia, part of the Gili Islands group, known for its laid-back vibe and beautiful beaches. While it isnโ€™t the most famous surfing destination, it does offer some unique surf opportunities that can appeal to those looking for something different. The island is more focused on relaxation and water activities than on heavy surf culture, but it still attracts surfers wanting to explore its waves.

The surf at Gili Air can be pretty unpredictable. The optimal swell direction comes from the SouthWest, and the island can handle swell sizes up to 3ft (about 1 meter). When the conditions align, you can find some decent right-hand reef breaks, especially at the SE tip of the island. The wave quality can produce short, sharp barrels, but itโ€™s important to note that this spot is more suited for expert surfers due to the reef setup and the nature of the waves. The best wind direction is from the NorthWest, while the tides can be low, mid, or high, giving you some flexibility in choosing your surf time. On occasions, you can also find some left-handers and other corners on Gili Meno if you're feeling adventurous.

Overall, while Gili Air might not be a top-tier surf spot, it does have its moments when the conditions are right. The vibe on the island is chill, making it a nice place to hang out when youโ€™re not chasing waves. Just make sure to keep an eye on the swell forecast if you're hoping to score some rides.

Surf reports and surf forecasts nearby Gili Air

Gili Air
Unknown Region, Unknown Country
Reef break
Sun 19
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Gili Trawangan
Unknown Region, Unknown Country
Reef break
Sun 19
Mon 20
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Fri 24
Sat 25
Sun 26
Mon 27
Tue 28
Wed 29
Thu 30
Sengigi
Unknown Region, Unknown Country
Reef break
Sun 19
Mon 20
Tue 21
Wed 22
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Fri 24
Sat 25
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Mon 27
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Wed 29
Thu 30
Segar
Unknown Region, Unknown Country
Beach break
Sun 19
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Mon 27
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Thu 30
Kuta
Unknown Region, Unknown Country
Reef break
Sun 19
Mon 20
Tue 21
Wed 22
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Fri 24
Sat 25
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Tue 28
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Thu 30
Air Guling
Unknown Region, Unknown Country
Reef break
Sun 19
Mon 20
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Wed 22
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Fri 24
Sat 25
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Tue 28
Wed 29
Thu 30
Mawan
Unknown Region, Unknown Country
Reef break
Sun 19
Mon 20
Tue 21
Wed 22
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Fri 24
Sat 25
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Mon 27
Tue 28
Wed 29
Thu 30
Desert Point
Unknown Region, Unknown Country
Reef break
Sun 19
Mon 20
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Mawi
Unknown Region, Unknown Country
Reef break
Sun 19
Mon 20
Tue 21
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Fri 24
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Sun 26
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Thu 30
Belongas
Unknown Region, Unknown Country
Reef break
Sun 19
Mon 20
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Fri 24
Sat 25
Sun 26
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Thu 30
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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.

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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.

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