İstanbul Boğazı fishing forecast
İstanbul Boğazı is a saltwater fishing spot in Marmara, Türkiye. Anglers here target Bluefish, Atlantic Bonito, Atlantic Horse Mackerel. The most productive months are typically September, October, November, December.
Current conditions
| Sea surface temp | 23.8 °C |
|---|---|
| Wind | 9 km/h from E |
| Wave height | 0.2 m at 4 s |
| Current | 0.25 m/s toward NNE |
| Pressure | 1013 hPa |
| Depth | 49 m |
| Cloud cover | 0% |
Last updated Jul 22, 2026 (UTC). Conditions refresh through the day.
What the score means at İstanbul Boğazı
İstanbul Boğazı currently scores 83 out of 100 (Good). Water temperature is 23.8 °C. 8 forecast signals are active in this score. As a rough guide, a score above ~65 reflects conditions experienced anglers would typically fish; below ~45, consider waiting for a better window or targeting different species. The score blends live weather and ocean signals and can change through the day.
Bite windows
Best months for İstanbul Boğazı:
About this spot
Straits funnel strong tidal currents. Fish tend to feed around slack water and in the first hour of the flood or ebb, when bait is pushed through.
Approximate bottom depth: 49 m Depth is GEBCO-derived bathymetry, approximate only — not a nautical chart. Do not use for navigation or anchoring.
What you can catch
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Pomatomus saltatrix
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Sarda sarda
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Trachurus trachurus
Best months by species at İstanbul Boğazı
| BluefishPomatomus saltatrix | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Atlantic BonitoSarda sarda | ||||||||||||
| Atlantic Horse MackerelTrachurus trachurus |
Months reflect typical catchability by species at this latitude; local seasons and closures apply.
Local regulations
| Species | Bag limit | Min size | Open season |
|---|---|---|---|
| Bluefish | — | min 18 cm | Jan 1 – Dec 31 |
| Atlantic Bonito | — | min 25 cm | Aug 15 – Mar 31 |
| Atlantic Horse Mackerel | — | min 13 cm | Jan 1 – Dec 31 |
Licensing:
- saltwater-recreational — residents Genel amatör olta balıkçılığı için belge zorunluluğu yoktur; 6/2 numaralı tebliğ kurallarına uyulması zorunludur., non-residents Yabancı uyruklu amatör balıkçılar için ayrı bir düzenleme yoktur; aynı tebliğ kuralları geçerlidir.
- saltwater-recreational — residents ZORUNLU (1 Ocak 2026’dan itibaren): sualtı tüfeği ile avcılık yapacak kişilerin il/ilçe müdürlüklerinden Amatör Balıkçı Belgesi alması gerekir., non-residents ZORUNLU (1 Ocak 2026’dan itibaren): sualtı tüfeği ile avcılık için Amatör Balıkçı Belgesi gerekir.
FishRadar regulation summaries are informational only and are not a legal source. Türkiye’s amateur fishing rules (Tebliğ 6/2, 2024/21) also include place bans, gear rules and freshwater tables that are not fully reproduced here. Always verify against the Resmî Gazete text and Tarım ve Orman Bakanlığı (BSGM) before fishing.
Check İstanbul Boğazı before you go
Live scores update through the day. Get the full forecast, bite windows, and your own saved spots in the FishRadar app.
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Nearby spots
Explore 5 more fishing spots within 120 km of İstanbul Boğazı.
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Rumeli Feneri
Terkos Golu
Mudanya
Sapanca Golu Turkey
Apolyont Golu Bursa
Frequently asked questions
What fish can you catch at İstanbul Boğazı?
Anglers at İstanbul Boğazı target Bluefish, Atlantic Bonito and Atlantic Horse Mackerel.
When is the best time to fish İstanbul Boğazı?
The most productive months at İstanbul Boğazı are typically September, October, November, December.
What is the fishing forecast for İstanbul Boğazı right now?
İstanbul Boğazı currently scores 83 out of 100, based on live ocean and weather conditions — see the full breakdown on this page.
Do you need a licence to fish İstanbul Boğazı?
Fishing at İstanbul Boğazı follows the local rules for Marmara, Türkiye. Bag limits, size limits, seasons and licence requirements are summarised in the Local regulations section above, with a link to the official authority.
Fishing guides for this spot
- How to Catch BluefishHow to Catch Atlantic Bonito: Chasing the Autumn SpeedstersHow to Read Tides for Fishing
Scores and conditions are forecasts for guidance only and can change rapidly. Always check local rules and current conditions, follow all fishing regulations, and prioritise your safety on the water.