Salt water depth chart
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26,866-acre Gauja Transitional Waters. West Latvia coastal fishing map with an exact official national water-body boundary, EMODnet 2024 official Latvian LATCHART hydrographic DTM / traceable CDI assessed contours, source-assessed fishing spots, official regional fish evidence, seasonal forage guidance, public-access review and current-rule links. Official Latvian WFD named coastal or transitional assessment water in Gulf of Riga. This child is clipped to the exact source polygon and a trip-scale ownership window. Coverage classes and uncertainty limits are disclosed; this is a fishing-planning chart, not a navigation chart or catch forecast. The water tops out around 141 ft. The depth chart comes from EMODnet, with national hydrographic source-reference audit 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.
The drawn water covers 26,870 acres wrapped in 31.3 miles of bank. A shoreline index of 1.4 says round and simple: fish relate to depth changes here, not shoreline features. The shallow band under 15 ft claims about 1% of the surface — that's where the groceries are. Call it 11.4 mi long by 6 mi wide at the broadest reach. If the bite dies, Daugava Transitional Waters - North West is 5 mi to the southwest.
Occurrence evidence does not promise a catch or establish that retention is legal. Current seasons, closures, protected species, gear rules and local restrictions 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 |
|---|---|---|
| (European Perch) | official species listing | — |
| (Northern Pike) | official species listing | — |
| (Zander) | official species listing | — |
| (Atlantic Herring) | official species listing | — |
| (European Flounder) | official species listing | — |
| (Sea Trout) | official species listing | — |
| (European Smelt) | official species listing | — |
| (European Eel) | official species listing | — |
Official species-evidence source.
Spring european perch on Gauja Transitional Waters - West hold shallow, usually 3 to 12 ft. They move out to 8 to 28 ft in summer and finish the year down in 12 to 33 ft. The feeding windows run early morning. The summer box starts with a drop-shot micro plastics or a small crankbait (perch pattern).
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | open water | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | open water | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 10 to 33 ft | midday | open water | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 12 to 33 ft | midday & dawn | open water | Tungsten jig + maggots, Small balance jig |
When the water first warms, northern pike slide up into 2 to 8 ft. Summer is an 8 to 20 ft game here, winter a 5 to 15 ft one. The feeding windows run early morning and the evening. Keep a bucktail or a weedless spoon over cabbage rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | open water | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | open water | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | open water | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | open water | Large jigging spoon |
Spring zander on Gauja Transitional Waters - West hold shallow, usually 4 to 15 ft. They move out to 15 to 35 ft in summer and finish the year down in 20 to 40 ft. The feeding windows run the evening and early morning. The summer box starts with a vertical softbait over humps or a deep crankbait.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | open water | Softbait on jighead (10-12 cm), Shallow crankbait at dusk |
| Summer | 15 to 35 ft | dusk & dawn | open water | Vertical softbait over humps, Deep crankbait |
| Fall | 12 to 40 ft | dusk & night | open water | Big softbait (12-16 cm) slow-rolled, Jigging spoon |
| Winter | 20 to 40 ft | dusk & dawn | open water | Slow blade bait |
Early season atlantic herring use the shallows, holding in 5 to 25 ft. Summer is a 15 to 50 ft game here, winter a 20 to 60 ft one. Best bite is early morning and the evening. Tie on a herring feather rig or a small silver jig and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | dawn & dusk | open water | Small herring feather rig, Micro jig rig |
| Summer | 15 to 50 ft | dawn & dusk | open water | Herring feather rig, Small silver jig |
| Fall | 10 to 40 ft | dawn & dusk | open water | Small feather rig, Compact silver spoon |
| Winter | 20 to 60 ft | midday | open water | Small silver jig, Sparse feather rig |
In spring, european flounder run shallow here, mostly 5 to 25 ft. Midsummer fish sit out in 6 to 35 ft before dropping to 15 to 50 ft for winter. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a bottom jig with spinner blade most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | dusk | open water | Small bucktail dragged on bottom |
| Summer | 6 to 35 ft | dawn & dusk | open water | Bottom jig with spinner blade |
| Fall | 8 to 40 ft | dusk | open water | Compact bottom jig |
| Winter | 15 to 50 ft | midday | open water | Small bottom jig |
Spring sea trout on Gauja Transitional Waters - West hold shallow, usually 3 to 20 ft. By summer they slide out to 15 to 50 ft, and by winter most fish are in 5 to 30 ft. Prime time lands in early morning and the evening. The summer box starts with a deep-running wobbler or a trolled spoon.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 20 ft | dawn & dusk | open water | Slim coastal spoon, Shallow-running wobbler |
| Summer | 15 to 50 ft | dawn & dusk | open water | Deep-running wobbler, Trolled spoon |
| Fall | 3 to 25 ft | dawn & dusk | open water | Coastal wobbler, Casting spoon |
| Winter | 5 to 30 ft | midday | open water | Slow coastal spoon, Suspending wobbler |
Gauja Transitional Waters - West also holds european smelt (25 to 70 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.
Count 6 structure marks on this chart. The deepest, Deepest basin, sits near 141 ft.
Maritime Administration of Latvia national ports review was reviewed, but no stable government record establishes a public fishing entrance, parking or launch for this exact mapped child. This is an access-evidence gap, not a claim that public access does not exist. Verify land ownership, port and harbour rules, protected areas, local signs, parking, safety, permits and fishing 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 Latvia waters are set by the Latvijas Vēstnesis (current Latvia angling, crayfish and underwater-hunting rules) — and special regulations can apply to Gauja Transitional Waters - West specifically, so confirm the current rules before you fish. Check the live Latvian rules and current Ministry notices before every Baltic Sea or Gulf of Riga trip. Angling-card requirements, coastal hook limits, species possession limits, seasonal protections, eel closures, river-mouth exclusion radii, licensed waters, nature protections, port directions and safe shoreline access can apply. The statutory towpath right is not a promise of a usable entrance, parking or permission through private or working-port land. A hydrographic contour or fishing-spot marker never grants fishing, retention, access or navigation permission.
Check the official Latvia fishing regulations →
Latvian Ministry of Agriculture angling guidance →
Check special-area and water-specific rules →
Check official shore-access information →
Gauja Transitional Waters - West is about 141 ft (43 m) deep at its deepest point. The depth chart comes from EMODnet, with national hydrographic source-reference audit bathymetric survey data, so the contours are survey-derived rather than computer-modeled.
Official coastal monitoring from Latvia national fisheries and coastal monitoring agencies informs the european perch, northern pike, zander, atlantic herring, european flounder, sea trout, european smelt, european eel roster for Gauja Transitional Waters - 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.
For european perch, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Gauja Transitional Waters - West is regulated by the Latvijas Vēstnesis (current Latvia angling, crayfish and underwater-hunting rules). Check the official Latvia regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Daugava Transitional Waters - North West 5 mi · Daugava Transitional Waters - North 8 mi · Lielupe Transitional Waters - North 9 mi · Gauja Transitional Waters - East 9 mi · Daugava Transitional Waters - Central 10 mi · Daugava Transitional Waters - Central West 11 mi · Lielupe Transitional Waters - North West 12 mi · Lielupe Transitional Waters - Central 15 mi · Moderately Exposed Gulf of Riga Coast - Sector 04 15 mi · Lielupe Transitional Waters - Central West 19 mi · Moderately Exposed Gulf of Riga Coast - Sector 03 21 mi · Western Gulf of Riga Coast - South 22 mi
Browse all Latvia fishing maps. See every water on DepthScout. Bathymetry credit: EMODnet, with national hydrographic source-reference audit EMODnet Bathymetry DTM 2024 mean-depth grid — official Latvian LATCHART hydrographic DTM / traceable CDI assessed (Lowest Astronomical Tide (LAT); 84% measured, 0% 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.