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Best Time to Fish Today — Solunar & Moon Phase Score

Some days the fish switch on for an hour and then vanish. Solunar theory tries to explain those windows — and with a quick look at today's moon, you can stack the odds before you even leave the house.

What solunar theory actually says

Solunar theory holds that fish and wildlife feed most actively during predictable periods tied to the position of the sun and the moon. The idea was popularised by John Alden Knight in the 1920s and 1930s, who noticed that catches clustered around specific times that lined up with lunar position rather than the clock. Modern anglers still use the same framework: each day has two major periods and two minor periods.

Major periods

Majors occur when the moon is directly overhead or directly underfoot (on the opposite side of the earth). These are the strongest feeding windows, often lasting two to three hours. If you can only fish once today, aim for a major. In practice, the hour either side of the moon's peak overhead position is the heart of the window — set up early and be ready before it starts.

Minor periods

Minors happen at moonrise and moonset. They are shorter — roughly an hour — but can still produce a sharp flurry of activity, especially if they line up with dawn or dusk. On a tough day, a minor that overlaps first light is often the only real chance the fish give you.

How to stack the windows

The magic happens when periods overlap. A major that coincides with sunrise, a turning tide and an approaching weather front is the kind of combination that produces the days you remember for years. You will not get all of them lining up often, but learning to spot when two or three overlap is the single most useful skill solunar planning gives you.

The moon phase effect

Feeding tends to peak around the new moon and full moon. There are two reasons. First, those phases produce the biggest tides, and bigger tides mean stronger currents and more feeding (see our tide guide). Second, a bright full moon lets fish feed through the night, which can change — and sometimes concentrate — daytime behaviour.

Around the quarter moons, activity is generally steadier and a little lower. None of this means you cannot catch fish on a half moon — plenty of trophies are landed on "average" days — but knowing the phase tells you how hard to push and when to be on the water.

Phase by phase

• New moon. Big tides and dark nights. Feeding often concentrates into dawn and dusk, which can make those windows red-hot.
• Waxing and waning crescents. Building or easing activity; reliable, if rarely spectacular.
• Quarter moons. Neap tides and gentler currents — steady fishing where finesse and location matter more than timing.
• Full moon. Big tides plus night feeding. Fish may be full by morning, so try fishing the night itself or the very first light.

Best time of day, species by species

Solunar windows apply broadly, but each species leans towards its own preferred hours. Knowing those tendencies lets you fine-tune the general rules to the fish in front of you.

Bass and predators

Bass, pike, perch and zander are classic low-light hunters. They feed hardest at dawn and dusk and through the night in warm weather, using the cover of darkness to ambush bait. A solunar major landing on first light is close to a banker for predator anglers.

Trout

Trout often feed best in the morning and again in the last hours of light, especially when a hatch of insects is on the water. On bright days they retreat into shade and faster water; an overcast sky can extend the feeding window right through the day.

Carp and tench

Carp frequently feed through the night and into the early morning, with another window at dusk. Warm, settled, overcast spells can switch them on at almost any hour, which is why long sessions catch carp anglers more fish than short ones.

Saltwater species

For sea fish, the tide usually outranks the clock — but stack a major or minor period on top of moving water at dawn or dusk and you have the strongest combination available. Many estuary species feed best on the first of the flood at first light.

Season by season

The calendar shifts the best times of day across the year. In spring, the warmest part of the afternoon often fishes best as water temperatures climb and fish become active. Through summer, the cool of dawn and dusk — and the night — outproduces the heat of midday, when many fish go quiet. In autumn, feeding spreads across more of the day as fish fatten up before winter, making it one of the most forgiving seasons for timing. In winter, the brief warmth of the early afternoon is frequently the only productive window, so a late start can beat a cold dawn. Layer the solunar periods over these seasonal rhythms rather than treating them in isolation.

A worked example

Say tomorrow brings a new moon, sunrise at 6am, a major period from 5:30am to 7:30am, and a tide turning to flood at 6:15am, with a falling barometer ahead of a front. Every signal points to the same window: be on the water by 5am, fish hard from first light through 7:30am, and expect your best chance right around the turn of the tide at sunrise. That is the kind of alignment worth rearranging your week for — and exactly what a few minutes of planning the night before will reveal.

Don't ignore the other half

Solunar windows are a powerful planning tool, but they are only part of the picture. Several things will override a good solunar day every time:

• Weather and barometer. A falling barometer ahead of a front often triggers a feeding frenzy; a high, stable barometer after a front can shut things down. Fish ahead of the weather, not after it.
• Dawn and dusk. The low-light edges of the day are reliable feeding times regardless of the moon. When a solunar period lands on dawn or dusk, clear your calendar.
• Water temperature. Every species has a comfort band. Outside it, fish go quiet no matter how good the solunar score; a few degrees of warming in spring can flip a water on overnight.
• Local knowledge. Bait movements, river height and seasonal patterns at your spot can matter more than any chart.

The best anglers use solunar scores to choose when to fish, then read the conditions on the day to decide how.

How to plan a session with solunar timing

Put it together into a simple routine. The evening before, check tomorrow's major and minor periods and the moon phase. Cross-reference the tide (if you fish salt) and the weather — especially the barometer trend and wind. Then pick the window where the most factors overlap and build your trip around it: arrive early, be fishing before the window opens, and concentrate your best effort and your confidence lures into that block. Fish hard through the peak, then ease off and rest or scout during the dead spots. Over a season, log every trip — date, moon phase, period, conditions and result — and your own data will quickly tell you which combinations matter most on your home waters.