Belleair
Hourly
Confidence
Compare
⏱️s.
⚡️kJ
Sunday 07
Monday 08
Tuesday 09
Wednesday 10
Thursday 11
Timezone:
America/New_York
Wind: ⭐ UNIFIED
(20251207 12z)
Waves: ⭐ UNIFIED
(20251207 12z)
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Belleair surf forecast characteristics

Swell window
NNW - SW
Swell size
5ft - 8ft
Swell breaks over
Sand
Wave types
Beach
Wave directions
Right, Left
Wind window
NNE - SSE
Works at
Low, Mid
(Best at Mid, Better on rising)
Best tide type
Mid
Skill Level
Beginner, Intermediate, Expert
Seasons
Spring, Autumn, Winter
Board types
Shortboard, Funboard, Longboard, Skimming

Belleair surf forecast guide

Belleair is a beach that faces more north compared to nearby Indian Rocks, making it a decent spot for those weaker cold fronts with north winds. It's primarily a shorebreak to mid-break location. However, do keep in mind it's situated in a private residential area, so finding a place to park can be a real pain. If you're driving south from Sand Key, look for the Belleair Beach Motel as a landmark.

The surf here can vary, handling swell sizes from about 1.5m to 2.4m (5ft to 8ft). The waves will generally break over sand, providing a mix of both right and left waves. For the best conditions, aim for low to mid tide, especially when the swell is coming from the North to NorthEast direction. On good days, paddling is easy, but you might find it more challenging when there's a bigger windswell. Winds from the North, NorthEast, or EastNorthEast are your best bets for cleaner conditions.

As for crowds, you won’t find many out there—though the local vibe tends to stay more on land with the residents, who don’t always welcome surfers with open arms. It’s worth noting that Belleair is pretty average overall when it comes to surf spots, though it does hold a bit of history with Cory Lopez and his crew catching some close-to-shore runners in those old Lost videos. If you plan on catching some waves, just be sure to scout for affordable parking and stay chill with the locals.

Surf schools and rentals

Surf reports and surf forecasts nearby Belleair

880
Florida, United States
Beach break, Pier break
Sun 7
Mon 8
Tue 9
Wed 10
Thu 11
Sand Key
Florida, United States
Beach break
Sun 7
Mon 8
Tue 9
Wed 10
Thu 11
Belleair
Florida, United States
Beach break
Sun 7
Mon 8
Tue 9
Wed 10
Thu 11
Indian Rocks Beach
Florida, United States
Beach break
Sun 7
Mon 8
Tue 9
Wed 10
Thu 11
Redington Breakwater
Florida, United States
Jetty break
Sun 7
Mon 8
Tue 9
Wed 10
Thu 11
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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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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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