Playa Guiones
Hourly
Confidence
Compare
โฑ๏ธs.
โšก๏ธkJ
Thursday 30
Friday 31
Saturday 01
Sunday 02
Monday 03
Tuesday 04
Tap a forecast cell to explore conditions on the map.
Timezone: America/Costa_Rica
Wind: GFS (20251030 06z)
Waves: GFS WAVE (20251030 06z)

Playa Guiones surf guide

Playa Guiones is located in Nosara, Costa Rica, and is known for its easy access and large sandy beach. This spot attracts a diverse group of surfers throughout the year, thanks to its consistent waves and beautiful surroundings. With a range of accommodation options nearby, itโ€™s a convenient place for surfers looking for a laid-back vibe. The area is popular, so expect company in the water, but thereโ€™s enough space to find your own corner of the beach.

The surf here is pretty friendly, with optimal swell coming from the Southwest. It handles swell sizes from about 5 to 7 feet (1.5 to 2.1 meters), making it good for various skill levels, especially those with intermediate experience. The waves break over both sand and uneven reef, offering a mix of left and right rides. The conditions can be fun and enjoyable, as you'll find gentle takeoffs and long rides with a little bit of juice to keep you moving. During days with smaller swells, the vibe can get lively, attracting a mix of surfers who enjoy the easy waves.

In terms of tides, Playa Guiones works well during low, mid, and high tide, and is best surfed with an east wind. Shortboards, funboards, longboards, and even fish and bodyboards can all be used here, making it accessible for different board types. The crowd can be dense due to its popularity, but thereโ€™s room to spread out. If you're an intermediate surfer looking to step it up, check out some beach breaks to the north for a bit more challenge.

Surf reports and surf forecasts nearby Playa Guiones

Tamarindo
Provincia De Guanacaste, Costa Rica
Beach break, Reef break
Thu 30
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Langosta
Unknown Region, Unknown Country
Beach break
Thu 30
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Avellana
Unknown Region, Unknown Country
Reef break
Thu 30
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Playa Negra - Guanacaste
Provincia De Guanacaste, Costa Rica
Reef break
Thu 30
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Playa Marbella
Unknown Region, Unknown Country
Beach break
Thu 30
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Ostional
Unknown Region, Unknown Country
Beach break
Thu 30
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Playa Nosara
Unknown Region, Unknown Country
Beach break
Thu 30
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Nosara
Unknown Region, Unknown Country
Beach break, Canyon break
Thu 30
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Pelada
Unknown Region, Unknown Country
Reef break
Thu 30
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Playa Guiones
Unknown Region, Unknown Country
Beach break
Thu 30
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
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.

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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