Sandspit
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Hourly Forecast
Timezone: America/Los_Angeles
⏱️s.
⚡️kJ
Tuesday 16
Wednesday 17
Thursday 18
Friday 19
Saturday 20
Sunday 21
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Sandspit surf guide

Sandspit is a unique surf spot located at the entrance of Santa Barbara Harbor, formed by the efforts of the U.S. Army Corps of Engineers. It's nestled behind the breakwater, where the local sand flow creates a swell that can dish out some serious barrels. With the scenic backdrop of the harbor, it’s a spot that isn't just about the surf but also about the vibe of the area. However, keep in mind that this place doesn’t break that often and is best suited for experienced surfers.

The waves at Sandspit can be really powerful, especially when the conditions are just right. It typically works well on big winter swells coming from the west or west-southwest, with sizes ranging from about 1 meter (3 feet) to over 3 meters (10 feet). Expect steep takeoffs that can feel like airdrops, where you’ll want to paddle in hard and stand up quickly to navigate the tube. This spot is all about right-hand waves that can be incredibly hollow, similar to Kirra but on a smaller scale. Just be aware that the bottom is super shallow, and it’s easy to get caught in the backwash or pushed over the jetty, making it a spot for experts, especially when it’s firing with up to 25-50 surfers on the wave.

Accessing Sandspit involves parking down at the harbor shops, but you need to be mindful of the 90-minute parking limit. After that, you’ll have to walk along the breakwater, which can be slippery, so tread carefully. The ideal conditions here are low to mid-tide, with a north wind. Bring your shortboard or bodyboard and prepare for a challenging session, especially during the autumn and winter months. It can be a crowded spot when the surf is up, but just keep your distance and respect the locals.

Surf reports and surf forecasts nearby Sandspit

Tarpits/Carpinteria State Beach
California, United States
Beach break
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
Miramar
California, United States
Point break
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
Hammond's
California, United States
Reef break
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
Hammond's
California, United States
Reef break, Point break
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
Sandspit
California, United States
Unknown break
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
Leadbetter Beach
California, United States
Point break
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
Leadbetter Point
California, United States
Reef break, Point break
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
The Pit
California, United States
Beach break
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
Campus Point
California, United States
Point break
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
Isla Vista
California, United States
Beach break
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
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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.

With Surfnerd, no more "you should have been here yesterday"

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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