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How it Works

Bass science made simple®

BassForecast simplifies the complex science of tracking past and forecast weather, then putting all the pieces together in a fish-catching game plan. It is Bass Science Made Simple® and helps all Bass anglers plan like a pro.

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Simple, fast, & easy to use

BassForecast app preview of selecting location screen on iOS device

Enter Your Location

Just input your fishing location.


See Your Ratings

In seconds, easily view BassForecast Rating for the next 10 days.


Plan Like A Pro

Adapt your game plan to any rating, condition, and Bass season.

BassForecast logo in black text with cyan fish illustration paired with orange AccuWeather logo

What makes our ratings so accurate

The BassForecast Rating (BFR) is the only tool that considers all relevant environmental factors that affect Bass feeding behavior. Our team spent 12 months testing and tweaking our rating formula until it produced average catch rate outcomes that matched our desired rating system.

In a 6-month catch log blind study, with a prominent Bass Guide fishing the same lake every day, we found that GOOD and EPIC days produced 68% to 305% above average catch rates, while TOUGH and FAIR days produced 63% below average. Fishing is fishing and there will always be days that buck the trend, but the law of large numbers doesn’t lie.

Here are the environmental factors we use in the BassForecast Rating:

Barometer pressure talking points illustrative icon of a pressure gauge


The barometric pressure trend is a key leading indicator of upcoming weather, which affects bass feeding behavior.

Moon phases talking point of a illustrative icon of a moon in blue

Moon Phases

Our formula does adjust upward for new and full moon periods. While the data here is controversial, we always gather results and adjust accordingly.

Illustrative icon representing wind blowing in blue


In general, the higher the wind the better. Read “High Percentage Fishing” by Josh Alwine for industry best data on the wind.

Illustrative icon of a temperature gauge in blue and red


The most important factor affecting feeding mood is temperature trend toward the peak metabolic rate of Bass. We even account for the temperature transference time lag from air to water, since water is an insulator.

Illustrative icon of sky condition showing yellow sun peeking behind a blue cloud

Sky Conditions

Which is better, sunny or overcast? In general, this also depends on the wind.

Illustrative icon if a blue fish representing peak feeding periods

Peak Feedings

We do not currently adjust our ratings for these time periods as there is simply not enough conclusive data yet. Our Solunar data is GPS-specific, so you don’t have to do the math from printed tables anymore.


Top 3 ways BassForecast helps anglers

Our customers have spoken, and here are the top three ways BassForecast helped anglers.

  1. Plan Better

    1. For most anglers who have limited time to fish, knowing “best odds” days 10 days in advance gives them enough time to pick and juggle their life calendar. And our push notifications for forecasted EPIC & GOOD conditions have led hundreds of anglers to their personal best.

  2. Patterns

    1. Since you can’t always fish EPIC and GOOD days, knowing the mood of the fish will affect the location, bait selection, and presentation. We have heard thousands of customer stories about how a location or lure we suggested saved their day. Learn more about Premium Features.

  3. Spot-On Solunar

    1. Since time zones are over 1,000 miles wide on average, most Astro Solunar tables need to be manually adjusted using some hard-to-read math table. BassForecast Spot-On Solunar is GPS-specific and accurate within 1 minute of the US Naval Observatory.

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