Real Conditions. Real Sites. Built by a Real Snorkeler.
Lucid Seas takes the guesswork out of planning your next snorkel or dive. We combine real-time weather data, ocean swell analysis, tidal patterns, and local site knowledge into a single, easy-to-read condition rating — so you can spend less time researching and more time in the water.
Check Conditions NowWhy Lucid Seas Exists
If you've ever driven an hour to a snorkel spot only to find blown-out surf, murky water, or conditions that looked nothing like the forecast promised, you know the frustration. That's exactly why Lucid Seas was built.
Surfers have dedicated condition apps. Sailors have dedicated condition apps. But snorkelers and divers? We've been left to cobble together wind apps, tide charts, and weather forecasts on our own — then hope for the best. Lucid Seas changes that. We're the first condition forecasting tool designed specifically for the underwater experience.
Built by a Snorkeler, for Snorkelers
Lucid Seas wasn't born in a boardroom. It was born out of a simple, recurring question every ocean lover asks: "Is it worth going out today?"
Our founder is an avid snorkeler who got tired of bad days at good sites — and good days missed because the forecast didn't tell the full story. So he built the tool he wished existed. Lucid Seas reflects real experience in the water, not just data on a screen. Every scoring decision, every site profile, and every rating threshold has been tested against actual conditions by someone who uses this app before every session.
How Our Ratings Work
Most weather apps give you raw numbers — wind speed, wave height, temperature — and leave you to figure out what it means for your specific spot. Lucid Seas does the interpretation for you. Our algorithm evaluates five key factors that determine snorkel and dive quality at each individual site:
Wind
Speed, direction, and how exposed your site is to it. The same 15 mph wind scores differently at every site depending on coastline orientation.
Swell
Not just wave height, but the direction, period, and energy actually reaching your site based on its unique exposure and natural protection.
Visibility
Estimated underwater clarity based on weather-driven penalties — rainfall, bottom agitation, swell history, wind turbidity, and cloud cover.
Tides
Current level and movement relative to what works best at each site. Some sites are tide-critical — at those, a bad tide overrides everything else.
Rainfall
Recent and forecasted rain, which directly impacts runoff and visibility — especially at sites near inlets.
Each factor is scored independently and combined into an overall condition rating: , , , , , or .
Smarter Swell Analysis
Here's something most condition apps get wrong: a buoy offshore might report 4-foot seas, but a sheltered cove facing the opposite direction could be completely calm. Raw wave height doesn't tell you what's actually happening at your site.
Lucid Seas uses directional swell decomposition to separate primary swell, secondary swell, and wind waves, then calculates how much energy is actually reaching each site based on its unique exposure, orientation, and natural protection. The result is a swell score that reflects what you'll encounter in the water — not just what a buoy recorded miles offshore.
A Candid Word on Visibility
We'll be honest with you: underwater visibility is one of the hardest things to predict in ocean forecasting. No app, no government agency, and no forecasting service on the market can tell you exactly how clear the water will be at a given spot on a given day. It depends on wave action, currents, runoff, biological activity, bottom composition, and factors that simply can't be measured remotely.
That's why we don't pretend visibility is a solved problem. Instead, our approach starts from each site's known maximum clarity potential and applies penalties based on weather conditions that reliably degrade visibility — heavy rain, strong onshore winds, large swell. On a calm, dry day with light offshore winds, the algorithm lets the site's natural clarity shine through. On a rough day after heavy rain, the penalties stack up.
The key insight: visibility is just one of five factors in your overall condition rating. A site can have slightly reduced visibility but still earn a "Good" rating if the swell is small, the wind is calm, and the tide is favorable. Conditions are a puzzle, and we show you the whole picture — not just one piece.
What Lucid Seas Is — and What It Isn't
Lucid Seas is an informational tool designed to help you make better decisions about when and where to snorkel or dive. Our ratings are generated from publicly available weather and ocean data, processed through our proprietary scoring algorithm, and presented in a format that's easy to act on.
We are not a substitute for your own judgment, local knowledge, or professional safety guidance. Ocean conditions change rapidly and can vary within a single site. Always assess conditions firsthand before entering the water, and never rely solely on any forecast — including ours — for safety decisions.
We built Lucid Seas to be a trusted planning companion — the kind of tool that helps you pick the right day, find the right site, and show up informed. What you do with that information is always your call.
Our Commitment
We're a small team and we're building in the open. Our algorithm will get better over time as we refine scoring weights, add new data sources, and incorporate feedback from the community. If a rating doesn't match what you saw in the water, we want to know. That's how this gets better.
Lucid Seas exists because we believe snorkelers and divers deserve the same quality of condition forecasting that surfers have had for years. We're here to close that gap.
See you in the water.
Lucid Seas Premium
Get more out of every session with a premium subscription.
AI condition summaries
Plain-English explanations of current conditions — what's driving the score, what to watch for, and whether it's worth gearing up.
5-day forecasts
Plan your week with extended condition forecasts for every site, so you can pick the best day to get in the water.
Questions or feedback? Reach us at hello@digisealabs.com.