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68,844-acre Lorient and Groix Coast. South West 1 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. Lorient roadstead, the Blavet approaches and Groix island waters, with channels, reefs and offshore breaks. This page covers the south west 1 angler-scale survey window. The water tops out around 282 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. Here is how the season plays out for each species, straight from the data behind the map.
Drawn out, this is 68,765 acres of water rimmed by 41.5 miles of bank. A shoreline index of 1.1 says round and simple: fish relate to depth changes here, not shoreline features. About 0% of the surface sits shallower than 15 ft — that's the weed-and-bait zone. Figure 14.7 mi of water from one end to the other, 14.6 mi at the beam. The nearest mapped water is Lorient and Groix Coast - South West 2, 10 mi to the east.
Lorient and Groix Coast — South West 1, France : carte SHOM officielle jusqu’à 86 m; spots pour bar commun, maquereau commun. 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 | — |
| maquereau commun (Atlantic Mackerel) | official species listing | — |
| lieu jaune (Atlantic Pollock) | official species listing | — |
| lieu noir (Saithe (Coalfish)) | official species listing | — |
| cabillaud (Atlantic Cod) | official species listing | — |
| lingue (Ling) | official species listing | — |
| orphie (Garfish) | official species listing | — |
| barbue (Brill) | official species listing | — |
| raie bouclée (Thornback Ray) | official species listing | — |
| sole commune (Common Sole) | official species listing | — |
| mulet lippu (Thick-lipped Grey Mullet) | official species listing | — |
| mulet cabot (Flathead Grey Mullet) | official species listing | — |
| anguille européenne (European Eel) | official species listing | — |
Official species-evidence source.
The spring pattern is a shallow one: european seabass in 3 to 25 ft. As the season builds they drop to 2 to 30 ft, wintering in 10 to 55 ft. Top water on the chart: Shoreline point, a point in the 44 ft range, good in fall. Time it for early morning and the evening. Summer baits: a surface lure or a paddle-tail soft plastic gets it done.
| 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 | SHOM-grid flat (29 ft) | Surface lure, Paddle-tail soft plastic |
| Fall | 4 to 40 ft | dawn & dusk | Shoreline point (44 ft) | Slim metal lure, Minnow plug |
| Winter | 10 to 55 ft | midday | open water | Slow soft-plastic shad, Suspending minnow |
When the water first warms, atlantic mackerel slide up into 5 to 45 ft. By summer they slide out to 15 to 80 ft, and by winter most fish are in 30 to 120 ft. If you only fish one area, make it Sharp break: a drop-off around 64 ft that scores good in summer. In summer the feeding windows fall in early morning and the evening. Keep a feather rig or a small vertical jig rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 45 ft | dawn & dusk | Shoreline point (44 ft) | Mackerel feather rig, Small silver jig |
| Summer | 15 to 80 ft | dawn & dusk | Sharp break (64 ft) | Feather rig, Small vertical jig |
| Fall | 10 to 65 ft | dawn & dusk | Sharp break (64 ft) | Compact silver jig, Sparse feather rig |
| Winter | 30 to 120 ft | midday | Sharp break (64 ft) | Small deep jig |
Spring atlantic pollock on Lorient and Groix Coast - South West 1 hold shallow, usually 8 to 100 ft. By summer they slide out to 12 to 150 ft, and by winter most fish are in 35 to 220 ft. The chart's best answer is Shoreline point — point, 44 ft, prime for summer. Prime time lands in early morning and the evening. The summer box starts with a surface plug or a baitfish swimbait.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 8 to 100 ft | dawn & dusk | Shoreline point (44 ft) | Sandeel-pattern lure, Soft-plastic shad |
| Summer | 12 to 150 ft | dawn & dusk | Shoreline point (44 ft) | Surface plug, Baitfish swimbait |
| Fall | 15 to 160 ft | dawn | Shoreline point (44 ft) | Metal jig, Minnow plug |
| Winter | 35 to 220 ft | midday | Sharp break (64 ft) | Slow metal jig, Weighted soft plastic |
The spring pattern is a shallow one: saithe (coalfish) in 15 to 160 ft. As the season builds they drop to 25 to 260 ft, wintering in 40 to 282 ft. Top water on the chart: SHOM-grid current seam, a current seam in the 112 ft range, prime in spring. Time it for early morning and the evening. Summer baits: a speed jig or a heavy paddletail gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 160 ft | dawn & dusk | SHOM-grid current seam (112 ft) | Slim metal jig, Paddletail |
| Summer | 25 to 260 ft | dawn & dusk | Sharp break (64 ft) | Speed jig, Heavy paddletail |
| Fall | 20 to 220 ft | dawn & dusk | SHOM-grid current seam (112 ft) | Metal jig, Baitfish swimbait |
| Winter | 40 to 282 ft | midday | Deepest basin (280 ft) | Heavy vertical jig |
Spring atlantic cod on Lorient and Groix Coast - South West 1 hold shallow, usually 20 to 100 ft. By summer they slide out to 45 to 180 ft, and by winter most fish are in 50 to 220 ft. The chart's best answer is Sharp break — drop-off, 64 ft, good for spring. Prime time lands in early morning. The summer box starts with a heavy metal jig or a large soft-plastic jig.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 20 to 100 ft | dawn | Sharp break (64 ft) | Diamond jig, Heavy bucktail |
| Summer | 45 to 180 ft | dawn | Sharp break (64 ft) | Heavy metal jig, Large soft-plastic jig |
| Fall | 25 to 140 ft | dawn | Sharp break (64 ft) | Diamond jig, Bucktail with teaser |
| Winter | 50 to 220 ft | midday | Deepest basin (280 ft) | Heavy vertical jig |
The spring pattern is a shallow one: ling in 50 to 282 ft. The depth story barely changes: 47 to 282 ft through summer, 52 to 282 ft in winter. Top water on the chart: Sharp break, a drop-off in the 64 ft range, prime in spring. Time it for midday. Summer baits: a heavy vertical jig gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 50 to 282 ft | midday | Sharp break (64 ft) | Heavy metal jig, Large soft-plastic jig |
| Summer | 47 to 282 ft | midday | Sharp break (64 ft) | Heavy vertical jig |
| Fall | 49 to 282 ft | midday | Sharp break (64 ft) | Long metal jig |
| Winter | 52 to 282 ft | midday | Deepest basin (280 ft) | Heavy deep jig |
Lorient and Groix Coast - South West 1 also holds garfish (2 to 20 ft in summer), brill (6 to 50 ft in summer), thornback ray (10 to 65 ft in summer), common sole (3 to 30 ft in summer), thick-lipped grey mullet (1 to 18 ft in summer), flathead grey mullet (1 to 22 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.
Lorient and Groix Coast - South West 1 carries 7 mapped structure features, topping out (or rather bottoming out) at Deepest basin, about 280 ft down.
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 Lorient and Groix Coast - South West 1 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 →
Lorient and Groix Coast - South West 1 is about 282 ft (86 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, atlantic mackerel, atlantic pollock, saithe (coalfish), atlantic cod, ling, garfish, brill, thornback ray, common sole, thick-lipped grey mullet, flathead grey mullet, european eel roster for Lorient and Groix Coast - South West 1. 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.
Shoreline point is the top-rated area: a point in about 44 ft of water that rates prime for atlantic pollock 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 Lorient and Groix Coast - South West 1 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.
Lorient and Groix Coast - South West 2 10 mi · Concarneau and Bénodet Coast - South West 3 11 mi · Concarneau and Bénodet Coast - South West 4 11 mi · Lorient and Groix Coast - North West 3 17 mi · Concarneau and Bénodet Coast - South West 2 17 mi · Lorient and Groix Coast - South West 3 18 mi · Quiberon and Belle-Île - Middle West 1 20 mi · Concarneau and Bénodet Coast - South West 1 25 mi · Concarneau and Bénodet Coast - North West 2 26 mi · Quiberon and Belle-Île - South West 1 27 mi · Quiberon and Belle-Île - Middle West 2 28 mi · Lorient and Groix Coast - South West 4 28 mi
See how Lorient and Groix Coast - South West 1 stacks up: best garfish lakes in France · best european seabass lakes in France · best common sole lakes in France · best thick-lipped grey mullet 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.