Dewey Beach
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Hourly Forecast
Timezone: America/New_York
⏱️s.
⚡️kJ
Wednesday 27
Thursday 28
Friday 29
Saturday 30
Sunday 31
Monday 01
Tap a forecast cell to explore conditions on the map.
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Dewey Beach surf guide

Dewey Beach is a surf spot located on the Delaware coast, known for its average beachbreaks and laid-back atmosphere. It’s a nice place to catch some waves without feeling too crowded, as the breaks are spread out. Most surfers tend to flock to the better waves found just north and south of this area, but Dewey can deliver decent conditions when the factors align.

The surf here usually works best with swell from the South, Southeast, and East-Southeast, handling sizes from around 4 to 7 feet (approximately 1.2 to 2.1 meters). The waves break over a sandy bottom, providing both left and right rides. When the wind is blowing from the South-Southwest, Southwest, or West-Southwest, Dewey Beach can show its potential. The best times to surf are typically at low to mid tides. It’s a spot that caters to all skill levels, so whether you’re a beginner or an expert, you can find something here that suits your style. Board types like shortboards, funboards, longboards, and even bodyboards can work well depending on the day.

Dewey Beach is pretty easy to access, although you’ll need to keep in mind that there are permit and paid parking options available. The crowd factor is generally mild, which is nice for a more relaxed vibe in the water. The local scene is pretty mellow, making it a great place to enjoy some time on the waves without feeling pressured. This spot tends to shine best during the autumn months, particularly with tropical cyclones affecting swell in late summer and fall, along with some frontal activity in the late fall and winter.

Surf reports and surf forecasts nearby Dewey Beach

Naval Jetties
Delaware, United States
Unknown break
Wed 27
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Gordons Pond
Delaware, United States
Beach break
Wed 27
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Dewey Beach
Delaware, United States
Beach break
Wed 27
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Indian River Northside
Delaware, United States
Unknown break
Wed 27
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Indian River Inlet
Delaware, United States
Beach break, Jetty break
Wed 27
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Indian River Southside
Delaware, United States
Beach break
Wed 27
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
The Cove
Unknown Region, Unknown Country
Beach break, Jetty break
Wed 27
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Bethany
Delaware, United States
Unknown break
Wed 27
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Fenwick Island
Delaware, United States
Beach break
Wed 27
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7
Fenwick
Delaware, United States
Unknown break
Wed 27
Thu 28
Fri 29
Sat 30
Sun 31
Mon 1
Tue 2
Wed 3
Thu 4
Fri 5
Sat 6
Sun 7

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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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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