Are the Gulf of Finland — Finland depth maps survey-backed?

38 released maps use surveyed or official agency bathymetry. Each child page preserves its own provider, product, datum and not-for-navigation disclosure.

Do the fish and access records apply everywhere in Gulf of Finland — Finland?

No. Species, forage, access and fishing spots remain scoped to each child map and carry their own evidence labels.

Split-water fishing maps

Gulf of Finland — Finland fishing maps and mapped sections

Gulf of Finland organizes Finland's official named coastal-water fishing maps into independently source-gated systems and trip-scale sections.

38 live sections6 on quality hold8 nested overviews38 survey-backed depth maps8 cataloged target species19 official access records

Built for useful map scale

Why Gulf of Finland — Finland is split up

National coastal coverage is grouped by marine region, then official water body, so the overview remains usable and each detail map stays trip-scale.

One page per mapped area

Choose a Gulf of Finland — Finland fishing-map section

Split coastal system8 mapped sections

Loviisa-Porvoo

Loviisa-Porvoo fishing maps use exact official national water-body geometry, source-audited EMODnet bathymetry, official regional fish evidence, seasonal forage context and transparent access review.

Choose a mapped section →

Split coastal system4 mapped sections

Pyhtää-Kotka ulko fishing maps use exact official national water-body geometry, source-audited EMODnet bathymetry, official regional fish evidence, seasonal forage context and transparent access review.

Choose a mapped section →

Split coastal system6 mapped sections

Kotka-Hamina-Virolahti ulko

Kotka-Hamina-Virolahti ulko fishing maps use exact official national water-body geometry, source-audited EMODnet bathymetry, official regional fish evidence, seasonal forage context and transparent access review.

Choose a mapped section →

Split coastal system5 mapped sections

Porkkala-Jussarö

Porkkala-Jussarö fishing maps use exact official national water-body geometry, source-audited EMODnet bathymetry, official regional fish evidence, seasonal forage context and transparent access review.

Choose a mapped section →

Split coastal system4 mapped sections

Porvoo-Helsinki

Porvoo-Helsinki fishing maps use exact official national water-body geometry, source-audited EMODnet bathymetry, official regional fish evidence, seasonal forage context and transparent access review.

Choose a mapped section →

Split coastal system4 mapped sections

Helsinki-Porkkala

Helsinki-Porkkala fishing maps use exact official national water-body geometry, source-audited EMODnet bathymetry, official regional fish evidence, seasonal forage context and transparent access review.

Choose a mapped section →

Split coastal system2 mapped sections

Upinniemenselkä

Upinniemenselkä fishing maps use exact official national water-body geometry, source-audited EMODnet bathymetry, official regional fish evidence, seasonal forage context and transparent access review.

Choose a mapped section →

Split coastal system1 mapped section

Virolahden sisäsaaristo

Virolahden sisäsaaristo fishing maps use exact official national water-body geometry, source-audited EMODnet bathymetry, official regional fish evidence, seasonal forage context and transparent access review.

Choose a mapped section →

Survey-backed depthCoastal map

Kotkan-Haminan sisäsaaristo

25,730-acre Kotkan-Haminan sisäsaaristo Finland coastal fishing map with an exact official national water-body boundary, EMODnet 2024 official Finnish hydrographic chart/DTM assessed contours, source-assessed fishing spots, official regional fish evidence, seasonal forage guidance, public-access review and current-rule links. Official Syke VHS 2022 named coastal water in Gulf of Finland. 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.

Recorded max: 78 ft
Species: Zander, Northern Pike, European Perch, Sea Trout
Public access: 4 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Uolionselkä - Tammionselkä

20,230-acre Uolionselkä - Tammionselkä Finland coastal fishing map with an exact official national water-body boundary, EMODnet 2024 official Finnish hydrographic chart/DTM assessed contours, source-assessed fishing spots, official regional fish evidence, seasonal forage guidance, public-access review and current-rule links. Official Syke VHS 2022 named coastal water in Gulf of Finland. 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.

Recorded max: 80 ft
Species: Zander, Northern Pike, European Perch, Sea Trout
Public access: 2 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Kotkan edustan sisäsaaristo

13,628-acre Kotkan edustan sisäsaaristo Finland coastal fishing map with an exact official national water-body boundary, EMODnet 2024 official Finnish hydrographic chart/DTM assessed contours, source-assessed fishing spots, official regional fish evidence, seasonal forage guidance, public-access review and current-rule links. Official Syke VHS 2022 named coastal water in Gulf of Finland. 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.

Recorded max: 90 ft
Species: Zander, Northern Pike, European Perch, Sea Trout
Public access: 2 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Ahvenkoskenlahti

11,307-acre Ahvenkoskenlahti Finland coastal fishing map with an exact official national water-body boundary, EMODnet 2024 official Finnish hydrographic chart/DTM assessed contours, source-assessed fishing spots, official regional fish evidence, seasonal forage guidance, public-access review and current-rule links. Official Syke VHS 2022 named coastal water in Gulf of Finland. 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.

Recorded max: 35 ft
Species: Zander, Northern Pike, European Perch, Sea Trout

Open depth map and fishing spots →

Sections on quality hold

These named sections are part of Gulf of Finland — Finland but did not pass the release gate, so they have no public map yet.

Emäsalo — All 4 proposed sections remain on quality hold; no detail URL is published.
Keipsalo — All 1 proposed sections remain on quality hold; no detail URL is published.
Sipoon saaristo — All 2 proposed sections remain on quality hold; no detail URL is published.
Sandöfjärden — All 1 proposed sections remain on quality hold; no detail URL is published.
Våtskär-Ölandet — All 1 proposed sections remain on quality hold; no detail URL is published.
Pernajanlahti — All 1 proposed sections remain on quality hold; no detail URL is published.

Choose with the evidence visible

How to compare Gulf of Finland — Finland sections

The released set contains 38 survey-backed sections and 0 modeled sections. Their published maximum depths run from 35 to 228 ft, with a median of 168 ft. Those numbers make scale differences visible, but they do not make sections interchangeable: contour provenance, access, species evidence and local structure remain specific to each child map.

Start with the section closest to the water you actually plan to fish. Then compare its depth-data label and species roster with an adjacent section before treating a pattern as system-wide. A survey-backed child is the stronger choice for precise breakline planning; a modeled child is broader reconnaissance and should be checked against sonar and conditions on the water. Return to this overview whenever you cross into another mapped reach, pool or coastal section.

Same child-page contract

What every section keeps separate

Depth provenance: each child discloses whether its contours are survey-backed or modeled; a family card never upgrades that label.
Fishing spots: structure and seasonal recommendations are calculated inside the child boundary so distant reaches are not mixed together.
Fish species: each page keeps its own supported roster rather than inheriting every species found anywhere in the parent system.
Local context: hatch guidance, access, hazards, catches and nearby-water links continue to resolve for the individual child where data is available.

Source-backed, not crowd-guessed

Authoritative sources for this overview

Planning questions

Frequently asked questions

Why is Gulf of Finland — Finland divided into separate fishing maps?

National coastal coverage is grouped by marine region, then official water body, so the overview remains usable and each detail map stays trip-scale.

Are these depth maps survey-backed?

38 released maps use surveyed or official agency bathymetry. Each child keeps its own provider, product, datum and not-for-navigation disclosure.

Do fish and access records apply everywhere?

No. Species, forage, access and fishing spots remain scoped to each child map and retain their evidence labels.

Choose a Gulf of Finland — Finland fishing-map section

Split coastal system8 mapped sections

Loviisa-Porvoo

Loviisa-Porvoo fishing maps use exact official national water-body geometry, source-audited EMODnet bathymetry, official regional fish evidence, seasonal forage context and transparent access review.

Choose a mapped section →

Split coastal system4 mapped sections

Recorded max: 78 ft
Species: Zander, Northern Pike, European Perch, Sea Trout
Public access: 4 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Uolionselkä - Tammionselkä

Recorded max: 80 ft
Species: Zander, Northern Pike, European Perch, Sea Trout
Public access: 2 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Kotkan edustan sisäsaaristo

Recorded max: 90 ft
Species: Zander, Northern Pike, European Perch, Sea Trout
Public access: 2 official records

Open depth map and fishing spots →

Survey-backed depthCoastal map

Ahvenkoskenlahti

Recorded max: 35 ft
Species: Zander, Northern Pike, European Perch, Sea Trout

Open depth map and fishing spots →

Sections on quality hold

These named sections are part of Gulf of Finland — Finland but did not pass the release gate, so they have no public map yet.

Emäsalo — All 4 proposed sections remain on quality hold; no detail URL is published.
Keipsalo — All 1 proposed sections remain on quality hold; no detail URL is published.
Sipoon saaristo — All 2 proposed sections remain on quality hold; no detail URL is published.
Sandöfjärden — All 1 proposed sections remain on quality hold; no detail URL is published.
Våtskär-Ölandet — All 1 proposed sections remain on quality hold; no detail URL is published.
Pernajanlahti — All 1 proposed sections remain on quality hold; no detail URL is published.