Currents too strong

Barometer rising

Wind "clocking" around

East wind

Barometer falling.

Too calm

Fish shut down just before we started

The lake needs a good storm to stir them up.

 Fish are not here (or they'd be hitting)

No currents

Foggy

Sunny

Too windy to control boat

Wrong moon phase

Fish facing wrong way

Trolling wrong directions

Too many bait fish

Not enough bait fish

Didn't have right lure action

Didn't have right lure color

Single hook

Treble hooks

Didn't have enough time

Water too rough

South wind

Gear not working properly

Partner not fishing seriously

Trolling motor troubles

Cloudy

Others fishing our spot

Lost fishing coordinates

Couldn't see landmarks

Should have fished elsewhere

North wind

West wind

Upper level low (Bonehead)

Hooks dull

Not watching downrigger

Fish hit during nature call

Short net handle

Inept netter

Inept captain

Shakedown trip (checking equipment out)

 Followed another fisherman's advice

Gloated about successful prior trip

Jinxed

Bragged about last trip

Neither fishing major or minor

Fish "Hitting Short"

Fish "Slapping lure with their tails"

 Recent thunderstorms

New equipment

Tackle in other tackle box.

Skim ice

Net not "Dipped"

Weights Wrong Color

Too prepared - even brought cooler ice