Cottons Point
Hourly
Confidence
Compare
⏱️s.
⚡️kJ
Monday 15
Tuesday 16
Wednesday 17
Thursday 18
Friday 19
Timezone:
America/Los_Angeles
Wind: ⭐ UNIFIED
(20251215 03z)
Waves: ⭐ UNIFIED
(20251215 03z)
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Cottons Point surf forecast characteristics

Swell window
S - W
Swell size
2ft - 10ft
Swell breaks over
Boulders, Sand
Wave types
Reef
Wave directions
Left
Wind window
NE - NE
Works at
Mid
(Best at Mid, Better on rising)
Best tide type
Mid
Skill Level
Intermediate, Expert
Seasons
Spring, Summer, Autumn
Board types
Shortboard, Fish, Funboard, Longboard

Cottons Point surf forecast guide

Cottons Point is a left-hand wave located at the north end of the Trestles beaches. It's known for its long, often fat lefts that break further out compared to other spots in the area. The wave works best with larger southerly swells and can get pretty good with the right conditions. Access to Cottons is by walking north from Trestles or south from San Clemente State Park, which makes it a convenient spot when you're looking to escape the crowds at Uppers and Lowers.

The surf at Cottons can vary a lot. On a solid south swell, the waves can range from shoulder high (about 1.5 meters) to double overhead (around 3 meters). With the right low tide, you can score some high-performance rides with a crackable lip and even some barrel sections. While most days you'll find wobbly and sectiony waves perfect for cutbacks, it can transform into a quality setup under optimal conditions. The bottom consists of sand and cobblestone, and a north-east wind is preferred. It's suitable for intermediate and expert surfers, and you can ride shortboards, fish, funboards, and longboards here.

The best time to surf Cottons Point is from March to October, but it has potential year-round. Just keep in mind that this spot tends to get crowded, especially on weekends, thanks to the local longboarders who are always hungry for waves. So, if you’re heading out, be ready to share the space and keep an eye out for other surfers.

Surf schools and rentals

Surf reports and surf forecasts nearby Cottons Point

Church
California, United States
Point break
Mon 15
Tue 16
Wed 17
Thu 18
Fri 19
Trestles - Lowers
California, United States
Reef break
Mon 15
Tue 16
Wed 17
Thu 18
Fri 19
Trestles - Uppers
California, United States
Reef break
Mon 15
Tue 16
Wed 17
Thu 18
Fri 19
Cottons Point
California, United States
Reef break
Mon 15
Tue 16
Wed 17
Thu 18
Fri 19
San Clemente State Park
California, United States
Beach break
Mon 15
Tue 16
Wed 17
Thu 18
Fri 19
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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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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.