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16,422-acre Middle Humber Estuary fishing map with Environment Agency multibeam/SurfZone ODN contours (66.21% measured, 99.75% assessed), four measured spots, exact EA TraC occurrence, three dated survey cards, official access and current GOV.UK/applicable IFCA guidance. The water tops out around 53 ft. The depth chart comes from Environment Agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled. Here's the year, species by species, as the scoring engine sees it.
The outline encloses 16,357 acres, worked by 69.7 miles of shoreline, broken up by 3 islands. That shoreline is heavily fingered (development index 3.9) — bays, points and pockets everywhere, which multiplies the fishable edge. About 72% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. End to end it runs roughly 16.6 mi, about 6.2 mi across. If the bite dies, Upper Humber Estuary is 15 mi to the southwest.
The spring pattern is a shallow one: european flounder in 5 to 25 ft. As the season builds they drop to 6 to 35 ft, wintering in 15 to 50 ft. Top water on the chart: Directly measured upper-flat transition, a feeding flat in the 8 ft range, prime in spring. Time it for early morning and the evening. Summer baits: a bottom jig with spinner blade gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | dusk | Directly measured upper-flat transition (8 ft) | Small bucktail dragged on bottom |
| Summer | 6 to 35 ft | dawn & dusk | Directly measured upper-flat transition (8 ft) | Bottom jig with spinner blade |
| Fall | 8 to 40 ft | dusk | Directly measured upper-flat transition (8 ft) | Compact bottom jig |
| Winter | 15 to 50 ft | midday | Deepest directly measured basin cell (53 ft) | Small bottom jig |
In spring, common sole run shallow here, mostly 6 to 30 ft. Summer keeps them at 3 to 30 ft, and they winter in 15 to 53 ft. Spring common sole concentrate at Directly measured upper-flat transition, a prime-rated feeding flat around 8 ft. Fish it in the evening and you'll meet the bite. You won't need more than a light rolling-lead rig most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 6 to 30 ft | dusk | Directly measured upper-flat transition (8 ft) | Tiny bottom jig |
| Summer | 3 to 30 ft | dusk | Directly measured upper-flat transition (8 ft) | Light rolling-lead rig |
| Fall | 8 to 40 ft | dusk | Directly measured lower-channel shoulder (15 ft) | Compact bottom jig |
| Winter | 15 to 53 ft | night | Deepest directly measured basin cell (53 ft) |
Early season european plaice use the shallows, holding in 8 to 35 ft. Expect a summer slide to 6 to 40 ft, then a winter hold in 16 to 53 ft. Put Directly measured upper-flat transition first on the milk run — a feeding flat near 8 ft that grades prime for spring. In summer the feeding windows fall in early morning and the evening. Tie on a light spooned bottom rig or a beaded trace and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 8 to 35 ft | dusk | Directly measured upper-flat transition (8 ft) | Beaded flowing trace |
| Summer | 6 to 40 ft | dawn & dusk | Directly measured upper-flat transition (8 ft) | Light spooned bottom rig, Beaded trace |
| Fall | 10 to 50 ft | dusk | Directly measured lower-channel shoulder (15 ft) | Beaded bottom trace |
| Winter | 16 to 53 ft | midday | Deepest directly measured basin cell (53 ft) |
When the water first warms, atlantic herring slide up into 5 to 25 ft. By summer they slide out to 15 to 50 ft, and by winter most fish are in 16 to 53 ft. If you only fish one area, make it Deepest directly measured basin cell: a deep basin around 53 ft that scores prime in winter. In summer the feeding windows fall in early morning and the evening. Keep a herring feather rig or a small silver jig rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | dawn & dusk | Directly measured upper-flat transition (8 ft) | Small herring feather rig, Micro jig rig |
| Summer | 15 to 50 ft | dawn & dusk | Deepest directly measured basin cell (53 ft) | Herring feather rig, Small silver jig |
| Fall | 10 to 40 ft | dawn & dusk | Directly measured lower-channel shoulder (15 ft) | Small feather rig, Compact silver spoon |
| Winter | 16 to 53 ft | midday | Deepest directly measured basin cell (53 ft) | Small silver jig, Sparse feather rig |
Spring puts european smelt in skinny water — 3 to 25 ft is the zone. As the season builds they drop to 16 to 53 ft, wintering in 16 to 53 ft. Summer european smelt concentrate at Deepest directly measured basin cell, a prime-rated deep basin around 53 ft. Warm-month bites cluster around early morning and the evening. A tiny vertical spoon or a micro jig covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | night & dusk | Strongest directly measured local depth transition (1 ft) | Micro silver jig, Tiny feather rig |
| Summer | 16 to 53 ft | dawn & dusk | Deepest directly measured basin cell (53 ft) | Tiny vertical spoon, Micro jig |
| Fall | 14 to 53 ft | dusk | Deepest directly measured basin cell (53 ft) | Micro jig, Tiny silver spoon |
| Winter | 16 to 53 ft | dusk | Deepest directly measured basin cell (53 ft) | Tiny glow jig, Micro ice spoon |
Early season whiting use the shallows, holding in 14 to 53 ft. Even in summer they hold at 15 to 53 ft; winter keeps them in 11 to 53 ft. Put Directly measured lower-channel shoulder first on the milk run — a channel edge near 15 ft that grades prime for spring. In summer the feeding windows fall in early morning. Tie on a small vertical jig and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 14 to 53 ft | dawn & dusk | Directly measured lower-channel shoulder (15 ft) | Small silver jig, Two-hook feather rig |
| Summer | 15 to 53 ft | dawn | Deepest directly measured basin cell (53 ft) | Small vertical jig |
| Fall | 9 to 53 ft | dusk | Directly measured lower-channel shoulder (15 ft) | Small silver jig, Sparse feather rig |
| Winter | 11 to 53 ft | dusk | Deepest directly measured basin cell (53 ft) | Compact vertical jig |
Middle Humber Estuary also holds european seabass (2 to 30 ft in summer), european eel (6 to 28 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Middle Humber Estuary carries 14 mapped structure features, topping out (or rather bottoming out) at Deepest directly measured basin cell, about 53 ft down.
Access data: East Riding of Yorkshire Council. Confirm conditions and fees locally before you launch.
Middle Humber Estuary is about 53 ft (16 m) deep at its deepest point. The depth chart comes from Environment Agency bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Anglers target european flounder, common sole, european plaice, atlantic herring, european smelt, whiting, european seabass, european eel on Middle Humber Estuary.
Directly measured upper-flat transition is the top-rated area: a feeding flat in about 8 ft of water that rates prime for european flounder in spring. Open the map above to see every rated spot for each species and season.
For european flounder, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Upper Humber Estuary 15 mi · Hornsea Mere 17 mi · Humber Mouth - Spurn 27 mi · Covenham Reservoir 29 mi · Great Lake or Welbeck 42 mi · Gormire Lake 46 mi · Derwent Reservoir 56 mi · Ladybower Reservoir 56 mi · Gouthwaite Reservoir 60 mi · White Holme Reservoir 64 mi · Attenborough NR 65 mi · Scar House Reservoir 66 mi
See how Middle Humber Estuary stacks up: best atlantic herring lakes in United Kingdom · best european flounder lakes in United Kingdom · best european seabass lakes in United Kingdom · best common sole lakes in United Kingdom
Browse all United Kingdom fishing maps. See every water on DepthScout. Bathymetry credit: Environment Agency Multibeam Bathymetry + SurfZone DEM 2019 (Ordnance Datum Newlyn (ODN); 66% measured, 34% source-interpolated). How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.