Salt water depth chart
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18,282-acre Daugava Transitional Waters. North 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 117 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. Below is the species-by-species picture, pulled from the same data the map uses.
The drawn water covers 18,279 acres wrapped in 24.6 miles of bank. A shoreline index of 1.3 says round and simple: fish relate to depth changes here, not shoreline features. Littoral water — the productive band under ~15 ft — makes up 4% of this chart. Tip to tip the water measures near 8.7 mi with a 5.3-mi widest point. If the bite dies, Daugava Transitional Waters - Central is 4 mi to the south.
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.
When the water first warms, european perch slide up into 3 to 12 ft. By summer they slide out to 8 to 28 ft, and by winter most fish are in 12 to 33 ft. If you only fish one area, make it Weed flat: a weed flat around 4 ft that scores prime in spring. In summer the feeding windows fall in early morning. Keep a drop-shot micro plastics or a small crankbait (perch pattern) rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Weed flat (4 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 8 to 28 ft | dawn | Sharp break (13 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 10 to 33 ft | midday | Sharp break (13 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 12 to 33 ft | midday & dawn | Sharp break (13 ft) | Tungsten jig + maggots, Small balance jig |
Spring northern pike on Daugava Transitional Waters - North hold shallow, usually 2 to 8 ft. By summer they slide out to 8 to 20 ft, and by winter most fish are in 5 to 15 ft. The chart's best answer is Weed flat — weed flat, 4 ft, prime for spring. Prime time lands in early morning and the evening. The summer box starts with a bucktail or a weedless spoon over cabbage.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Weed flat (4 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Sharp break (13 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Sharp break (13 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Weed flat (7 ft) | Large jigging spoon |
When the water first warms, zander slide up into 4 to 15 ft. By summer they slide out to 15 to 35 ft, and by winter most fish are in 20 to 40 ft. If you only fish one area, make it Sharp break: a drop-off around 13 ft that scores prime in fall. In summer the feeding windows fall in the evening and early morning. Keep a vertical softbait over humps or a deep crankbait rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Shoreline point (13 ft) | Softbait on jighead (10-12 cm), Shallow crankbait at dusk |
| Summer | 15 to 35 ft | dusk & dawn | Sharp break (13 ft) | Vertical softbait over humps, Deep crankbait |
| Fall | 12 to 40 ft | dusk & night | Sharp break (13 ft) | Big softbait (12-16 cm) slow-rolled, Jigging spoon |
| Winter | 20 to 40 ft | dusk & dawn | open water | Slow blade bait |
Come spring, look for atlantic herring tight to the bank in 5 to 25 ft. Expect a summer slide to 15 to 50 ft, then a winter hold in 20 to 60 ft. Start at Sharp break. It's a drop-off holding about 50 ft of water and rates good come summer. Prime time lands in early morning and the evening. A herring feather rig or a small silver jig is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | dawn & dusk | Weed flat (7 ft) | Small herring feather rig, Micro jig rig |
| Summer | 15 to 50 ft | dawn & dusk | Sharp break (50 ft) | Herring feather rig, Small silver jig |
| Fall | 10 to 40 ft | dawn & dusk | Sharp break (13 ft) | Small feather rig, Compact silver spoon |
| Winter | 20 to 60 ft | midday | Sharp break (50 ft) | Small silver jig, Sparse feather rig |
Start shallow in spring: european flounder sit in 5 to 25 ft that time of year. Summer pushes them deeper, 6 to 35 ft, and winter fish settle into 15 to 50 ft. The spot to know is Sharp break, a drop-off in about 13 ft of water that rates prime for european flounder in fall. Warm-month bites cluster around early morning and the evening. Throw a bottom jig with spinner blade until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | dusk | Sharp break (13 ft) | Small bucktail dragged on bottom |
| Summer | 6 to 35 ft | dawn & dusk | Sharp break (13 ft) | Bottom jig with spinner blade |
| Fall | 8 to 40 ft | dusk | Sharp break (13 ft) | Compact bottom jig |
| Winter | 15 to 50 ft | midday | Sharp break (50 ft) | Small bottom jig |
Come spring, look for sea trout tight to the bank in 3 to 20 ft. They move out to 15 to 50 ft in summer and finish the year down in 5 to 30 ft. If you only fish one area, make it Sharp break: a drop-off around 50 ft that scores prime in summer. Best bite is early morning and the evening. A deep-running wobbler or a trolled spoon is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 20 ft | dawn & dusk | Shoreline point (13 ft) | Slim coastal spoon, Shallow-running wobbler |
| Summer | 15 to 50 ft | dawn & dusk | Sharp break (50 ft) | Deep-running wobbler, Trolled spoon |
| Fall | 3 to 25 ft | dawn & dusk | Shoreline point (13 ft) | Coastal wobbler, Casting spoon |
| Winter | 5 to 30 ft | midday | Shoreline point (13 ft) | Slow coastal spoon, Suspending wobbler |
Daugava Transitional Waters - North 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.
The chart marks 8 structure features on Daugava Transitional Waters - North; the deepest is Deepest basin at about 116 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 Daugava Transitional Waters - North 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 →
Daugava Transitional Waters - North is about 117 ft (36 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 Daugava Transitional Waters - North. 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.
Weed flat is the top-rated area: a weed flat in about 4 ft of water that rates prime for european perch in spring. Open the map above to see every rated spot for each species and season.
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 Daugava Transitional Waters - North 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 - Central 4 mi · Gauja Transitional Waters - East 6 mi · Daugava Transitional Waters - North West 7 mi · Gauja Transitional Waters - West 8 mi · Daugava Transitional Waters - Central West 8 mi · Lielupe Transitional Waters - North 12 mi · Lielupe Transitional Waters - Central 14 mi · Lielupe Transitional Waters - North West 15 mi · Moderately Exposed Gulf of Riga Coast - Sector 04 15 mi · Lielupe Transitional Waters - Central West 19 mi · Western Gulf of Riga Coast - South 23 mi · Moderately Exposed Gulf of Riga Coast - Sector 03 24 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); 100% 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.