Main target Black Seabream クロダイ · Ebb-tide session · Gear: VIB / metal jig / minnow / T-tail
In one sentence:Don’t fish it like a seabass mazume bite; fish the black seabream ebb tide. Start after 7:47 high tide, search first with a 10g VIB (don’t scrape the bottom) → if you snag / get no bites, switch to a T-tail Texas rig and slow-search tight to bottom → if fish are busting in the channel, switch to a minnow → metal jig is only the long-cast backup. No signal in 30 minutes: move. Totally blank after 90 minutes: pack up.
Maihama river-mouth ebb session: channel = seabass, nearshore = black seabream (the worse the drawing, the more the fish want to hide)
🎯 Target & Window
Item
Details
Main target fish
Black seabream (クロダイ)— nearshore; seabass are only opportunity fish in the channel
Core approach
Watch the tide, not the time slot: best during ebb tide + slowing current (tested in the group)
Main window
The ebb-tide stretch between 7:47 high tide → 14:47 low tide
Arrival
Around 7:30 is fine; no need to rush before dawn
🌊 6/20 Tides (verified with JMA Tokyo station)
Time
Tide
Notes
07:47
High tide 172cm
Starting point; ebb tide begins after this
14:47
Low tide 42cm
End of the ebb window; once the water flattens after this, call it
21:27
High tide 175cm
(Evening session; no need to stay if you already fished daytime)
Tide-type reminder:6/20–21 is a medium tide (heading toward the 6/25 new-moon spring tide). Spring tide ≠ guaranteed blowup— group mate “Guangtouqiang” got “3 fish on a spring-tide night, 17 on a neap tide.” The ebb-tide current state is the key, not the size of the tide.
🪝 Lure Priority
Four-piece kit: VIB to search / metal jig for distance / minnow for the channel / T-tail Texas rig as the bottom-contact workhorse
Tier
Lure
Use
First
VIB 10g
Start with long casts to search; steady retrieve in the mid-lower layer with light twitches and pauses. The bottom is all shell debris and snags like crazy—don’t pin it to the bottom
First
T-tail Texas rig
Bullet weight + weedless hook, slow-search tight to bottom. The stable main weapon for the day; switch to it if the VIB snags / gets no bites
Second
Metal jig
Use instead of VIB when it’s windy / the water is muddy / you need distance
Second
Minnow
Only switch to it when fish are busting in the channel / chasing near the surface; don’t linger
Buy before heading out: bullet weights (a few grams to 10g) + weedless hooks (オフセットフック)— these are key for the T-tail Texas rig, and also central to avoiding snags at Maihama.
📋 Game-Day Rhythm
1
Arrive at 7:30, watch for 5 minutes first Current, waves, wind, and whether anything is busting in the channel
2
Start after 7:47 high tide · VIB 10g long-cast search; stay in the mid-lower layer, not on bottom
3
No signal on VIB after 15 minutes / frequent snags → switch to T-tail Texas rig and slow-search tight to bottom, while also changing casting angles—don’t only cast straight out
4
Channel busts / surface chasing → temporarily switch to minnow, hit it, then come back
5
Strong wind / VIB hard to control → switch to metal jig for distance
🚦 Skunk-Loss Control · Go / Stay Decision
If there’s no bite in 30 minutes, leave—don’t grind yourself down into this state
If you see these → leave / change spots
The water is not moving, dead flat → if it still hasn’t moved by 8:15, change spots
The water is whitish / full of floating trash / fast and muddy (Old Edogawa discharge)→ leave the river mouth
VIB won’t get down, Texas rig won’t hold (current too fast)→ go to an eddy / bank corner / behind structure
No baitfish, no busts, no birds, and the whole line of anglers on shore is blanking
After 14:47 low tide, once the water goes flat again → pack up
If you see these → there’s a chance; stay and grind
The water is slowly ebbing, and the lure is controllable
Slightly stained but not dirty water
There is an edge line (current seam / light-dark boundary)
You can feel structure feedback on bottom
There is small life along the bank (baitfish, little shrimp)
Other anglers are seriously adjusting, not just phoning it in
Key mindset:Black seabream often feed quietly on bottom; visible busting is not the only sign of a chance. Judge by these “pre-cast signals,” not just by waiting for fish to jump.
⏱️ Hard Time Boxes
No signal at one spot for 30 minutes → change spots3 spots / 90 minutes totally blank → pack up and go homeDon’t camp, don’t stubbornly grind, don’t blank until your mood collapses
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