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Surf forecast for Sumner Avenue

Tide
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Timezone:
America/New_York
Forecast updated:
27/06, 20:00
Wind: SN UNITY Atmos
(20260628 00z)
Waves: SN UNITY WAVE
(20260628 00z)
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Timeline

Tomorrow Sun 28/06 to Mon 29/06
No surf windows (2 days)
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More surf windows and day entries continue below

Sumner Avenue Surf Forecast Guide

Sumner Avenue is a surf spot that's pretty laid-back and can offer fun waves, especially during the summer. It's located in a nice area without any parking meters or beach tags, which makes it an attractive choice for surfers looking to avoid the crowds. While it doesn't have the most powerful waves, itโ€™s a solid spot for longboarding and catching some chill sessions. In the off-season, you might find it a bit emptier, and on small summer swells, watch out for logs that can clutter the water.

The surf here tends to work best with swells coming from the NE to SE, and it can handle sizes from about 4 to 7 feet (1.2 to 2.1 meters). The waves generally break over a sand bottom, and you're looking at a beach break that's suitable for beginners, intermediates, and experts alike. The ideal conditions are during mid to high tide, with the best winds coming from the NW or NNW. On the right day, you can find some quality rides, but the power is generally gentle, making it an easy spot to paddle in and enjoy.

Access is pretty straightforward, although summer months can make it slightly tougher due to the increased visitors. Crowds here range from light to moderate, giving it a somewhat mellow local vibe. The environment is generally clean, but be aware of submerged pilings that could catch you off guard. This spot is especially good for longboards, funboards, and even shortboards, making it versatile for various styles of surfing. The best time to hit it is from September through March when the conditions are more consistent.

Surf spots near Sumner Avenue

32nd Street
New Jersey, United States
Beach break, Jetty break
Sun 28
Mon 29
Tue 30
Wed 1
Thu 2
36th Street
New Jersey, United States
Unknown break
Sun 28
Mon 29
Tue 30
Wed 1
Thu 2
Sumner Avenue
New Jersey, United States
Beach break, Jetty break
Sun 28
Mon 29
Tue 30
Wed 1
Thu 2
Margate Pier
New Jersey, United States
Unknown break
Sun 28
Mon 29
Tue 30
Wed 1
Thu 2
Ventnor Pier
New Jersey, United States
Unknown break
Sun 28
Mon 29
Tue 30
Wed 1
Thu 2

Frequently asked questions

What are good surfing conditions for Sumner Avenue?

Sumner Avenue is usually best with east to south (E-S) swell around 1.2 m / 4 ft to 2.1 m / 7 ft, wind from northwest to north (NW-N), with north-northwest (NNW) offshore, and mid to high tide.

Where is the surf spot Sumner Avenue?

Sumner Avenue is a surf spot in Margate City, New Jersey, United States.

What is the surf break like at Sumner Avenue?

Wave types at Sumner Avenue are beach and jetty. Sumner Avenue breaks over sand. Expect a moderate crowd and a neutral lineup.

What season is best for surfing Sumner Avenue?

The main surf season at Sumner Avenue is autumn and winter.

What surfing skill level is Sumner Avenue suitable for?

Sumner Avenue can suit beginner, intermediate, and expert surfers.

Is Sumner Avenue beginner friendly for surfing?

Yes. Sumner Avenue can suit beginner surfers when conditions are manageable.

What surfboards work at Sumner Avenue?

Shortboard, Fish, Funboard, Longboard, and Bodyboard are common choices at Sumner Avenue.

What surf spots are near Sumner Avenue?

Other nearby surf spots are 36th Street, Margate Pier, 32nd Street, and Ventnor Pier.

What swell direction works for surfing at Sumner Avenue?

Sumner Avenue can work with swell from east to south (E-S).

What swell size works for surfing at Sumner Avenue?

Sumner Avenue usually works with swell around 1.2 m / 4 ft to 2.1 m / 7 ft.

What wind direction is best for surfing at Sumner Avenue?

Sumner Avenue usually works with wind from northwest to north (NW-N); north-northwest (NNW) is offshore.

What wind direction is offshore for surfing at Sumner Avenue?

North-northwest (NNW) is offshore at Sumner Avenue.

What tide works best for surfing at Sumner Avenue?

Sumner Avenue works best around mid to high tide. A rising tide is usually better here.

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 chooses the "dominant wave" using spot-adjusted surf energy (depth + directional fit). This is usually the first swell partition, but during local storms it can switch to wind waves. If that happens, values are shown in gray and italic.

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.