Skip to content

Koca dere

Çınarcık · Yalova Sea of Marmara

River/stream mouth
Satellite image of the area around Koca dere
Satellite image Powered by Esri · Imagery © Esri, Maxar, Earthstar Geographics, and the GIS User Community

A ground profile built from catalogue and map data.

Not checked on site

Species in the catalogue

12

Pick a species to see its minimum size and closed season.

Top species here in November

A 0–100 score from season, water temperature, habitat and local records; a general trend, not a guarantee.

Sorted by the November score

Local evidence: OBIS/GBIF observation records (at this spot or nearby), regional literature and local angling sources.

The species list is not a guarantee of a catch.

Catalogue months

12 / 12 months

The source lists every month. Results depend on the species, the weather and the sea.

  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December

Techniques for this shoreline · 6

Matched to the shoreline type. Which technique works on a given day is decided by the target species, the season and the state of the sea.

  • Bolognese · Trotting in current

    Controlled float trotting with a long telescopic rod

    Tackle recipes
  • Bottom Fishing · Classic bottom rig

    Holding a weighted natural-bait rig on the bottom

    Tackle recipes
  • Float Fishing · Float fishing

    Presenting the bait at a set water layer

    Tackle recipes
  • Spin · Spinning

    Cast-and-retrieve fishing with plugs, spoons and soft plastics

    Tackle recipes
  • Surf Casting · Long-range bottom fishing

    Long-range bottom fishing with natural bait on sandy/mixed shores

    Tackle recipes
  • Saltwater Fly · Shore fly fishing

    Surface and shallow-water fishing with artificial flies/streamers

    Tackle recipes

Getting to the ground

Facilities nearby according to map records

living street · about 55 m

Moderate map evidence

The map records a road for both vehicles and walkers; actual access was not checked on site.

Facility Map record Distance
Parking No name recorded No name recorded ≈ 108 m
Toilet No toilets recorded in OSM within 3 km No toilets recorded in OSM within 3 km —
Food and drink No food or drink recorded in OSM within 3 km No food or drink recorded in OSM within 3 km —
Public transport No public transport recorded in OSM within 3 km No public transport recorded in OSM within 3 km —
Emergency services No emergency services recorded in OSM within 3 km No emergency services recorded in OSM within 3 km —

Distances follow the map record; routes and opening status can change.

Source details
  • Parking · OSM 1306330402 (parking)

The access evidence is derived from map data; actual right of way and private property were not verified on site.

Take care on site

Current, mud and reeds, sudden flow and protected-area limits

Suggested precaution Life jacket; stay out of the water; check the flow and local limits

Physical profile · 0–5 m

Habitat
estuary
Bottom
Sand–mud–organic mix
Shore slope
Low
Wave exposure
Sheltered–medium
Current
Variable
Depth band
0–5 m modelled band
Vegetation and algae
Reeds or algae likely
Freshwater influence
High

Shore types

  • Sandy beach
  • River / stream mouth

Bottom

  • Sand

Depth and slope values are derived from the EMODnet raster model; they are not sonar or field measurements.

Water clarity

Month-by-month turbidity of the coastal water, from satellite measurements.

Today (estimate)

Clear · visibility ≈ 9 m

Seasonal normal (November): Clear — Seasonal normal today.

  • Waves over the last two days may have stirred up the bottom.

In the surf zone (first 1–2 m) the water may be murkier than shown.

Confidence: High

Month by month

  1. J
  2. F
  3. M
  4. A
  5. M
  6. J
  7. J
  8. A
  9. S
  10. O
  11. N
  12. D

Satellite measurement. The satellite sees about 200 m offshore; the surf zone within casting distance is usually murkier. Today’s estimate is adjusted for weather and sea when the spot forecast is opened; it is not certain.

Source: Copernicus Marine coastal ocean colour (2023–2026) and Open-Meteo.

Which bait here this month

Water today is probably clear. Waves are stirring the shoreline; baits are chosen for slightly coloured water

  • Bluefish Lure

    First: Stickbait · Colour: White, Silver, Clear

    Also: Horse mackerel, Anchovy, Picarel, Spoon

  • First: Sabiki rig · Colour: White, Silver, Clear

    Also: Shrimp, Diopatra tube worm, Squid, LRF micro soft plastic

  • First: Topwater lure · Colour: White, Silver

    Also: Shrimp, Cuttlefish, Squid, Sinking minnow

  • First: Sabiki rig · Colour: Silver, Pink, Blue-green back

    Also: Anchovy, Sand smelt, Horse mackerel, Metal jig

Species the research highlights at this spot this month; the water may differ on the day.

Water climate

Surface water temperature and dissolved oxygen, month by month.

Surface water (°C)

  1. 8.9 J
  2. 8 F
  3. 8.7 M
  4. 11.2 A
  5. 15.8 M
  6. 20.7 J
  7. 23.2 J
  8. 24 A
  9. 22.3 S
  10. 19 O
  11. 15 N
  12. 11.5 D

Oxygen (mg/L)

  1. 9.3
  2. 9.6
  3. 9.5
  4. 9.2
  5. 8.8
  6. 8
  7. 7.4
  8. 7.2
  9. 7.3
  10. 7.7
  11. 8.1
  12. 8.8

Temperature: NOAA OISST 1991–2020 satellite mean (nearest 0.25° cell to the spot). Oxygen: Copernicus 2015–2024 monthly mean.

Nearby campsites

All campsites in Yalova

Businesses around Koca dere where you can camp, ordered by their distance to the ground.

All campsites in Yalova

Other grounds nearby

All fishing grounds in Yalova

Data quality

Data set
River/stream/brook mouth
Coordinates
Matches the OSM coastline
Field check
No

Map data does not confirm a right of way. Not to be used for navigation. Before you fish, check the regulation in force and the signage on site.

Pisca AI

Members only

Ask about this spot

Koca dere · Çınarcık · Yalova

Works with Piscatorium data: spot scores, seasonal species and tackle recipes. Type your question and the chat opens in the side panel.

What can you ask?

Ask Pisca AI

Pro membership

PRO MEMBERSHIP