The Washout
Hourly
Confidence
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Friday 31
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Tap a forecast cell to explore conditions on the map.
Timezone: America/New_York
Wind: GFS (20251030 18z)
Waves: GFS WAVE (20251030 18z)

The Washout surf guide

The Washout is a well-known surf spot located at Folly Beach, South Carolina. This area is famous for its stretch of jettied beachbreak that appeals to a wide range of surfers. The beach is lined with a number of jetties, which, despite their questionable effectiveness at actually protecting the coastline, create various peaks along the shore. Accessing The Washout is straightforward; just take Highway 17 south from Charleston and then switch to Highway 171 to reach the beach area. Parking can be tricky in the summer, as paid spots fill up quickly.

The surf at The Washout can be quite powerful and generally handles swell sizes ranging from 3 to 7 feet (approximately 1 to 2.1 meters). It works best with a northeasterly swell, but southern and eastern swells can also produce decent waves. Most days, youโ€™ll find fun, scattered peaks that break left and right, making it suitable for all surfers from beginners to experts. The best tides to hit are low, mid, or high, but the waves can change in quality depending on the exact conditions. Be ready for a bit of a workout, as paddling can be challenging with hard northeast and southwest winds creating strong currents.

While The Washout is typically manageable in terms of crowds, you can expect it to get busy, especially during the summer months. Luckily, localism isn't a huge issue here, but if the surf is good, it might be wise to be somewhat proficient before dropping in. You might also want to watch out for scattered groins and rocks that can be hazards when you're out there. The spot is ideal for various board types, including shortboards, longboards, funboards, and fishes, so there's something for everyone to enjoy!

Surf reports and surf forecasts nearby The Washout

Bull Island
South Carolina, United States
Beach break
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Tue 11
Dewees Island
South Carolina, United States
Beach break
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Tue 11
Wild Dunes
South Carolina, United States
Beach break
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Tue 11
Isle of Palms Pier
South Carolina, United States
Unknown break
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Tue 11
Bert's Bar
South Carolina, United States
Beach break
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Tue 11
The Washout
South Carolina, United States
Unknown break
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Tue 11
10th Street
South Carolina, United States
Beach break
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Tue 11
Folly Beach Pier
South Carolina, United States
Unknown break
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Tue 11
Kiawah Island/Seabrook Island
South Carolina, United States
Beach break
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Tue 11
Edisto Beach
South Carolina, United States
Beach break
Fri 31
Sat 1
Sun 2
Mon 3
Tue 4
Wed 5
Thu 6
Fri 7
Sat 8
Sun 9
Mon 10
Tue 11

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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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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