Tsushima Strait Japan fishing forecast
Tsushima Strait Japan is a saltwater fishing spot in Nagasaki Japan, Japan. Anglers here target Pacific Bluefin Tuna, Japanese Amberjack, Yellowfin Tuna. The most productive months are typically April, May, June, September, October, November.
Current conditions
| Sea surface temp | 26.2 °C |
|---|---|
| Wind | 22 km/h from SW |
| Wave height | 0.6 m at 5 s |
| Current | 0.29 m/s toward ENE |
| Pressure | 1010 hPa |
| Depth | 9 m |
| Cloud cover | 0% |
Last updated Jul 22, 2026 (UTC). Conditions refresh through the day.
What the score means at Tsushima Strait Japan
Tsushima Strait Japan currently scores 83 out of 100 (Good). Water temperature is 26.2 °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 Tsushima Strait Japan:
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: 9 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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Thunnus orientalis
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Seriola quinqueradiata
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Thunnus albacares
Best months by species at Tsushima Strait Japan
| Pacific Bluefin TunaThunnus orientalis | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Japanese AmberjackSeriola quinqueradiata | ||||||||||||
| Yellowfin TunaThunnus albacares |
Months reflect typical catchability by species at this latitude; local seasons and closures apply.
Local regulations
| Species | Bag limit | Min size | Open season |
|---|---|---|---|
| Pacific Bluefin Tuna | 0/day | min 80 cm | — |
| Japanese Amberjack | 5/day | min 40 cm | — |
Licensing:
- saltwater-recreational — residents No general national licence required for shore-based recreational saltwater fishing in Japan. Charter and offshore boat fishing typically goes through licensed operators. Some prefectures restrict access to commercial fishing rights areas (gyogyo-ken)., non-residents Same rules apply. Tourists fishing from a chartered boat use the operator's licence. Avoid posted commercial fishing-rights zones (typically near aquaculture pens, oyster beds, kelp farms).
- freshwater-recreational — residents Inland fishing requires a "yugyoken" (遊漁券) — a permit issued by the local fisheries cooperative for specific rivers/lakes. Sold per-day or per-season at convenience stores or fishing-tackle shops near the water., non-residents Same yugyoken requirement applies to visitors.
Some rules may have changed since our last verification — always confirm with the authority before you fish.
FishRadar regulations are summaries for informational purposes only. Japanese fishing rules are largely set at the prefectural level and many are voluntary/community-enforced. Always verify with the local fisheries cooperative (gyogyo-kyodokumiai, 漁業協同組合) before fishing, and never enter posted commercial fishing-rights zones.
Check Tsushima Strait Japan 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 621 km of Tsushima Strait Japan.
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Miyazaki Pacific Japan
Kochi Pacific Japan
Kyushu Pacific
Osaka Bay Japan
Lake Biwa Japan
Frequently asked questions
What fish can you catch at Tsushima Strait Japan?
Anglers at Tsushima Strait Japan target Pacific Bluefin Tuna, Japanese Amberjack and Yellowfin Tuna.
When is the best time to fish Tsushima Strait Japan?
The most productive months at Tsushima Strait Japan are typically April, May, June, September, October, November.
What is the fishing forecast for Tsushima Strait Japan right now?
Tsushima Strait Japan 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 Tsushima Strait Japan?
Fishing at Tsushima Strait Japan follows the local rules for Nagasaki Japan, Japan. 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 Amberjack: Taming the Reef DonkeyHow to Catch Yellowfin Tuna: Chasing the Blue-Water BrawlerHow 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.