Loading depth chart…

Split-water fishing maps

Loviisa-Porvoo fishing maps and mapped sections

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.

8 live sections3 on quality hold8 survey-backed depth maps8 cataloged target species1 official access records

Built for useful map scale

Why Loviisa-Porvoo is split up

The official named coastal water is divided only into non-overlapping trip-scale operational windows; every live child independently passes the fixed source, page-size and content gates.

One page per mapped area

Choose a Loviisa-Porvoo fishing-map section

Survey-backed depthCoastal map

Loviisa-Porvoo — Sector 03

20,282-acre Loviisa-Porvoo — Sector 03 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: 168 ft
Species: Zander, Northern Pike, European Perch, Sea Trout

Open depth map and fishing spots →

Survey-backed depthCoastal map

Loviisa-Porvoo — Sector 04

24,453-acre Loviisa-Porvoo — Sector 04 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: 182 ft
Species: Zander, Northern Pike, European Perch, Sea Trout

Open depth map and fishing spots →

Survey-backed depthCoastal map

Loviisa-Porvoo — Sector 05

33,013-acre Loviisa-Porvoo — Sector 05 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: 177 ft
Species: Zander, Northern Pike, European Perch, Sea Trout
Public access: 1 official record

Open depth map and fishing spots →

Survey-backed depthCoastal map

Loviisa-Porvoo — Sector 06

32,259-acre Loviisa-Porvoo — Sector 06 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: 182 ft
Species: Zander, Northern Pike, European Perch, Sea Trout

Open depth map and fishing spots →

Survey-backed depthCoastal map

Loviisa-Porvoo — Sector 07

43,234-acre Loviisa-Porvoo — Sector 07 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: 226 ft
Species: Zander, Northern Pike, European Perch, Sea Trout

Open depth map and fishing spots →

Survey-backed depthCoastal map

Loviisa-Porvoo — Sector 08

31,668-acre Loviisa-Porvoo — Sector 08 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: 184 ft
Species: Zander, Northern Pike, European Perch, Sea Trout

Open depth map and fishing spots →

Survey-backed depthCoastal map

Loviisa-Porvoo — Sector 09

40,156-acre Loviisa-Porvoo — Sector 09 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: 178 ft
Species: Zander, Northern Pike, European Perch, Sea Trout

Open depth map and fishing spots →

Survey-backed depthCoastal map

Loviisa-Porvoo — Sector 10

25,101-acre Loviisa-Porvoo — Sector 10 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: 185 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 Loviisa-Porvoo but did not pass the release gate, so they have no public map yet.

Loviisa-Porvoo — Sector 01 — Quality hold: generated chart artifact is absent
Loviisa-Porvoo — Sector 02 — Quality hold: generated chart artifact is absent
Loviisa-Porvoo — Sector 11 — Quality hold: generated chart artifact is absent

Choose with the evidence visible

How to compare Loviisa-Porvoo sections

The released set contains 8 survey-backed sections and 0 modeled sections. Their published maximum depths run from 168 to 226 ft, with a median of 182 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 Loviisa-Porvoo divided into separate fishing maps?

The official named coastal water is divided only into non-overlapping trip-scale operational windows; every live child independently passes the fixed source, page-size and content gates.

Are these depth maps survey-backed?

8 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.