Moon Phases Explained for Anglers: Do They Affect Fishing?

Many anglers pay attention to moon phases when planning fishing trips. Open almost any fishing forecast and you will see references to the new moon, full moon, waxing moon, or waning moon. Some anglers swear by them. Others ignore them completely.

So do moon phases actually affect fishing?

The short answer is that moon phases can influence fish behavior, but they are only one piece of a much larger puzzle. Weather, water temperature, seasonal patterns, forage availability, and fishing pressure often have a greater impact on fishing success than the moon alone.

Still, understanding moon phases can help anglers better interpret fishing forecasts and recognize periods when fish activity may increase. Check the current phase on any lake's Sun & Moon forecast, then use the guides below to understand what it means for your next trip.

On this page

• What Are Moon Phases?
• The Lunar Cycle
• New Moon
• Full Moon
• First Quarter and Last Quarter
• Waxing vs. Waning Moon
• Why Anglers Pay Attention to Moon Phases
• Do Moon Phases Matter More for Certain Species?
• Common Moon Phase Fishing Myths
• How Experienced Anglers Use Moon Phase Information
• The Bottom Line
• Frequently Asked Questions
• Related Fishing Resources

Moon phases describe how much of the moon's sunlit surface is visible from Earth.

As the moon orbits Earth approximately every 29.5 days, the angle between the sun, Earth, and moon changes. This creates the familiar cycle of phases that anglers see throughout the month.

The four primary moon phases are:

• New Moon
• First Quarter
• Full Moon
• Last Quarter

Between these major phases are waxing and waning periods that gradually transition from one phase to the next. You can track the current phase on any lake page under Sun & Moon.

A complete lunar cycle lasts about 29.5 days.

The cycle progresses through:

1. New Moon
2. Waxing Crescent
3. First Quarter
4. Waxing Gibbous
5. Full Moon
6. Waning Gibbous
7. Last Quarter
8. Waning Crescent
9. New Moon

Many fishing forecasts and solunar tables use this cycle when evaluating periods of increased fish activity.

During a new moon, the moon sits roughly between Earth and the sun.

The side of the moon facing Earth is mostly dark, making the moon difficult or impossible to see at night.

Many anglers consider the days surrounding a new moon to be favorable fishing periods.

Common reasons include:

• Darker nighttime conditions
• Increased feeding opportunities during daylight hours
• Stronger tidal ranges in coastal environments

Some solunar enthusiasts believe fish activity increases during new moon periods because the sun and moon are aligned.

Scientific evidence remains mixed, but many experienced anglers continue to track new moon periods as part of their planning process.

During a full moon, Earth sits between the sun and moon.

The moon's illuminated face is fully visible from Earth.

Full moons are among the most discussed lunar events in fishing.

Potential effects often cited by anglers include:

• Increased nighttime visibility
• More nighttime feeding activity
• Changes in feeding timing
• Stronger tidal ranges in coastal waters

One common theory suggests that fish may feed more actively overnight during bright full moon conditions, which can sometimes reduce daytime feeding activity.

Results vary significantly by species, season, and body of water.

Quarter moons receive less attention than new and full moons but still represent important points in the lunar cycle.

During these phases:

• Half of the moon appears illuminated.
• Lunar influence is often considered less pronounced than during new or full moons.
• Fishing success may depend more heavily on weather and seasonal conditions.

Many anglers view quarter phases as neutral periods rather than particularly strong or weak fishing windows.

A waxing moon is becoming more illuminated each night.

A waning moon is becoming less illuminated each night.

Some anglers prefer fishing during waxing periods, believing activity gradually increases as the moon approaches full illumination.

Others prefer the days immediately after a full moon as illumination decreases.

There is little scientific evidence supporting one approach over the other, but both ideas remain popular among anglers who closely follow lunar patterns.

Moon phases are often discussed because they may influence several environmental factors.

Moonlight can affect visibility for both predators and prey.

Bright full moon nights may allow fish to feed more effectively after dark, while darker new moon periods may shift activity toward daylight hours.

In saltwater environments, moon phases have a direct relationship with tidal strength.

New and full moons produce the largest tidal ranges, commonly called spring tides.

These stronger tides can influence bait movement, current flow, and feeding activity.

Moon phases are also closely associated with solunar tables.

Traditional solunar theory suggests fish activity may increase around specific lunar events, including:

• Moon overhead
• Moon underfoot
• Moonrise
• Moonset

These events help create the major and minor feeding periods displayed in many fishing forecasts.

For a deeper explanation, see our Solunar Tables Explained guide.

Some anglers believe lunar influence varies by species.

Species commonly associated with moon-phase discussions include:

• Largemouth bass
• Smallmouth bass
• Crappie
• Catfish
• Redfish
• Snook
• Tarpon

However, fish behavior is influenced by many variables beyond lunar conditions.

Water temperature, spawning cycles, dissolved oxygen levels, available forage, and seasonal movements frequently play larger roles. Many bass anglers monitor moon phases alongside weather and seasonal patterns when planning trips.

"Fish only bite during a full moon." False. Fish feed throughout the lunar cycle. A full moon may influence activity patterns, but it does not determine whether fish will bite.

"New moons always produce better fishing." False. Many outstanding fishing days occur during every phase of the lunar cycle.

"Moon phases matter more than weather." False. Weather, water temperature, seasonal timing, and local conditions often have a stronger influence on fishing success.

"Moon phases guarantee better fishing." False. Moon phases are a planning tool, not a guarantee.

Most experienced anglers do not plan trips around moon phases alone.

Instead, they combine lunar information with:

• Weather forecasts
• Water temperatures
• Seasonal patterns
• Lake conditions
• Solunar periods
• Sunrise and sunset timing

When multiple favorable conditions align, confidence in a fishing trip often increases. Check your lake's fishing forecast and current conditions alongside the lunar calendar before you commit to a plan.

Moon phases have long been part of fishing folklore and modern fishing forecasts.

While scientific evidence remains mixed, many anglers continue to track lunar cycles because they may influence feeding behavior, nighttime light levels, tides, and solunar activity periods.

The most effective approach is to treat moon phases as one tool among many. Combined with weather, seasonal knowledge, and local conditions, lunar information can help anglers make more informed decisions about when to fish.