Salt water depth chart
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75,125-acre Pertuis d’Antioche. North West France saltwater fishing map with official SHOM 100 m bathymetry, source-qualified fishing spots, official regional fish evidence, seasonal forage guidance, public shore-use context and current-rule links. The island-bounded Pertuis d’Antioche and La Rochelle approaches, with channels, reefs and broad shellfish banks. This page covers the north west angler-scale survey window. The water tops out around 135 ft. The depth chart comes from Shom (Service hydrographique et océanographique de la Marine) bathymetric survey data, so the contours are survey-derived rather than computer-modeled. What the data behind the map says about each species, season by season:
Drawn out, this is 75,136 acres of water rimmed by 43.4 miles of bank. Nearly circular (index 1.1), so the story is the bottom, not the bank. Roughly 1% of the water is 15 ft or less, the band where the food chain lives. Tip to tip the water measures near 13.9 mi with a 12.3-mi widest point. For a second option, Pertuis Breton - South West lies 12 mi north.
Pertuis d’Antioche — North West, France : carte SHOM officielle jusqu’à 41 m; spots pour bar commun, sole commune. Pour préparer la pêche, jamais pour naviguer. Les profondeurs et les points de structure proviennent de la grille bathymétrique officielle du Shom. Les données servent à préparer la pêche et ne doivent jamais être utilisées pour la navigation.
Regional occurrence supports a search target, not equal abundance, child-specific catch rate, retention permission or a promised catch. Current national, EU, regional, protected-area and species rules always control. The roster may combine exact-water monitoring with habitat-filtered official regional evidence; it does not imply that every species is equally abundant throughout the mapped section.
| Species | Evidence basis | Count / date |
|---|---|---|
| bar commun (European Seabass) | official species listing | — |
| sole commune (Common Sole) | official species listing | — |
| flet commun (European Flounder) | official species listing | — |
| plie commune (European Plaice) | official species listing | — |
| merlan (Whiting) | official species listing | — |
| orphie (Garfish) | official species listing | — |
| maquereau commun (Atlantic Mackerel) | official species listing | — |
| mulet lippu (Thick-lipped Grey Mullet) | official species listing | — |
| mulet cabot (Flathead Grey Mullet) | official species listing | — |
| barbue (Brill) | official species listing | — |
| raie bouclée (Thornback Ray) | official species listing | — |
| anguille européenne (European Eel) | official species listing | — |
| saumon atlantique (Atlantic Salmon) | official species listing | — |
Official species-evidence source.
Spring puts european seabass in skinny water — 3 to 25 ft is the zone. As the season builds they drop to 2 to 30 ft, wintering in 10 to 55 ft. Fall european seabass concentrate at SHOM-grid shoal, a good-rated gravel shoal around 24 ft. Warm-month bites cluster around early morning and the evening. A surface lure or a paddle-tail soft plastic covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | open water | Paddle-tail soft plastic, Shallow minnow plug |
| Summer | 2 to 30 ft | dawn & dusk | open water | Surface lure, Paddle-tail soft plastic |
| Fall | 4 to 40 ft | dawn & dusk | SHOM-grid shoal (24 ft) | Slim metal lure, Minnow plug |
| Winter | 10 to 55 ft | midday | SHOM-grid channel edge (67 ft) | Slow soft-plastic shad, Suspending minnow |
Come spring, look for common sole tight to the bank in 6 to 30 ft. Through summer count on 3 to 30 ft; the winter hold is 20 to 70 ft. If you only fish one area, make it Feeding flat: a feeding flat around 40 ft that scores good in fall. Best bite is the evening. A light rolling-lead rig is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 6 to 30 ft | dusk | Feeding flat (40 ft) | Tiny bottom jig |
| Summer | 3 to 30 ft | dusk | Feeding flat (40 ft) | Light rolling-lead rig |
| Fall | 8 to 40 ft | dusk | Feeding flat (40 ft) | Compact bottom jig |
| Winter | 20 to 70 ft | night | SHOM-grid channel edge (67 ft) |
Spring european flounder on Pertuis d’Antioche - North West hold shallow, usually 5 to 25 ft. By summer they slide out to 6 to 35 ft, and by winter most fish are in 15 to 50 ft. The chart's best answer is Feeding flat — feeding flat, 40 ft, good for fall. Prime time lands in early morning and the evening. The summer box starts with a bottom jig with spinner blade.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | dusk | SHOM-grid shoal (24 ft) | Small bucktail dragged on bottom |
| Summer | 6 to 35 ft | dawn & dusk | Feeding flat (40 ft) | Bottom jig with spinner blade |
| Fall | 8 to 40 ft | dusk | Feeding flat (40 ft) | Compact bottom jig |
| Winter | 15 to 50 ft | midday | Sharp break (55 ft) | Small bottom jig |
In spring, european plaice run shallow here, mostly 8 to 35 ft. Midsummer fish sit out in 6 to 40 ft before dropping to 25 to 80 ft for winter. Summer european plaice concentrate at Feeding flat, a prime-rated feeding flat around 40 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a light spooned bottom rig or a beaded trace most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 8 to 35 ft | dusk | SHOM-grid shoal (24 ft) | Beaded flowing trace |
| Summer | 6 to 40 ft | dawn & dusk | Feeding flat (40 ft) | Light spooned bottom rig, Beaded trace |
| Fall | 10 to 50 ft | dusk | Feeding flat (40 ft) | Beaded bottom trace |
| Winter | 25 to 80 ft | midday | SHOM-grid channel edge (67 ft) |
In spring, whiting run shallow here, mostly 15 to 55 ft. Midsummer fish sit out in 20 to 70 ft before dropping to 15 to 70 ft for winter. Winter whiting concentrate at SHOM-grid channel edge, a good-rated channel edge around 67 ft. Fish it in early morning and you'll meet the bite. You won't need more than a small vertical jig most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 55 ft | dawn & dusk | SHOM-grid current seam (54 ft) | Small silver jig, Two-hook feather rig |
| Summer | 20 to 70 ft | dawn | SHOM-grid channel edge (67 ft) | Small vertical jig |
| Fall | 10 to 60 ft | dusk | SHOM-grid channel edge (67 ft) | Small silver jig, Sparse feather rig |
| Winter | 15 to 70 ft | dusk | SHOM-grid channel edge (67 ft) | Compact vertical jig |
Start shallow in spring: garfish sit in 1 to 15 ft that time of year. Summer pushes them deeper, 2 to 20 ft, and winter fish settle into 20 to 60 ft. The spot to know is SHOM-grid shoal, a gravel shoal in about 24 ft of water that rates good for garfish in summer. Warm-month bites cluster around early morning and the evening. Throw a slim casting spoon or a surface-skipping fly until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 15 ft | dawn & midday | open water | Slim silver spoon, Small inline spinner |
| Summer | 2 to 20 ft | dawn & dusk | SHOM-grid shoal (24 ft) | Slim casting spoon, Surface-skipping fly |
| Fall | 8 to 30 ft | dawn & dusk | open water | Weighted slim spoon, Small silver jig |
| Winter | 20 to 60 ft | midday | SHOM-grid current seam (54 ft) |
Pertuis d’Antioche - North West also holds atlantic mackerel (15 to 80 ft in summer), thick-lipped grey mullet (1 to 18 ft in summer), flathead grey mullet (1 to 22 ft in summer), brill (6 to 50 ft in summer), thornback ray (10 to 65 ft in summer), european eel (6 to 28 ft in summer), atlantic salmon (20 to 70 ft in summer). Pick any of them on the map above for rated spots and bait picks.
The chart marks 7 structure features on Pertuis d’Antioche - North West; the deepest is Deepest basin at about 134 ft.
No official 2025 EEA designated bathing-water point matched within 400 metres of this SHOM-grid shoreline. This is an access-evidence gap, not a statement that public fishing access does not exist. Verify local fishing rights, land ownership, posted restrictions, protected areas, tidal and surf safety, and municipal permission before entry.
Private land and private launches need the owner's permission — please ask first.
Season dates, license requirements, and size and bag limits for France waters are set by the Légifrance (current French recreational sea-fishing minimum sizes) — and special regulations can apply to Pertuis d’Antioche - North West specifically, so confirm the current rules before you fish. French recreational sea-fishing rules combine current national and European species measures with façade, prefectural, marine-protected-area, harbour and local access controls. Check live minimum sizes, quotas, seasonal or method closures, marking requirements and any no-take zone before every trip. A SHOM contour, fishing-spot marker or designated bathing-water lead is planning context only and never permission to fish, retain a catch, park, launch or enter restricted shore or port property.
Check the official France fishing regulations →
French Ministry for Ecological Transition — recreational sea fishing →
Check special-area and water-specific rules →
Check official shore-access information →
Pertuis d’Antioche - North West is about 135 ft (41 m) deep at its deepest point. The depth chart comes from Shom (Service hydrographique et océanographique de la Marine) bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Official coastal monitoring from Ifremer EVHOE and PELGAS regional survey evidence informs the european seabass, common sole, european flounder, european plaice, whiting, garfish, atlantic mackerel, thick-lipped grey mullet, flathead grey mullet, brill, thornback ray, european eel, atlantic salmon roster for Pertuis d’Antioche - North West. The mixed roster combines exact-water records where available with habitat-filtered regional evidence; not every species is documented at this exact water, and it is not a promise of equal abundance or a catch on a particular trip.
Feeding flat is the top-rated area: a feeding flat in about 40 ft of water that rates prime for european plaice in summer. Every other rated spot, per species and season, is on the map above.
For european seabass, 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.
Fishing on Pertuis d’Antioche - North West is regulated by the Légifrance (current French recreational sea-fishing minimum sizes). Check the official France regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Pertuis Breton - South West 12 mi · Pertuis d’Antioche - South West 12 mi · Pertuis d’Antioche - North Central 13 mi · Pertuis Breton - South Central 16 mi · Pertuis d’Antioche - South Central 17 mi · Pertuis d’Antioche - North East 20 mi · Pertuis Breton - South East 21 mi · Pertuis d’Antioche - South East 22 mi · Marennes-Oléron Basin - North West 23 mi · Pertuis Breton - North Central 23 mi · Pertuis Breton - North West 23 mi · Vendée and Île d’Yeu Coast - South West 4 24 mi
See how Pertuis d’Antioche - North West stacks up: best european flounder lakes in France · best garfish lakes in France · best european seabass lakes in France · best common sole lakes in France
Browse all France fishing maps. See every water on DepthScout. Bathymetry: published agency survey data. 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.