Okinawa Trough fishing forecast
Okinawa Trough is a saltwater fishing spot in NW Pacific, Japan. Anglers here target Striped Marlin, Yellowfin Tuna, Mahi-Mahi. The most productive months are typically April, May, June, July, August, September, October.
Current conditions
| Sea surface temp | 28.4 °C |
|---|---|
| Wind | 8 km/h from NW |
| Wave height | 0.4 m at 5 s |
| Current | 0.13 m/s toward NNE |
| Pressure | 1010 hPa |
| Depth | 49 m |
| Cloud cover | 41% |
Last updated Jul 22, 2026 (UTC). Conditions refresh through the day.
What the score means at Okinawa Trough
Okinawa Trough currently scores 82 out of 100 (Good). Water temperature is 28.4 °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 Okinawa Trough:
About this spot
Open-water marine fishing — conditions can change quickly with offshore weather, so watch the live wind and wave forecast closely before and during your trip.
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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Kajikia audax
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Thunnus albacares
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Coryphaena hippurus
Best months by species at Okinawa Trough
| Striped MarlinKajikia audax | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yellowfin TunaThunnus albacares | ||||||||||||
| Mahi-MahiCoryphaena hippurus |
Months reflect typical catchability by species at this latitude; local seasons and closures apply.
Local regulations
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 Okinawa Trough 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 982 km of Okinawa Trough.
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Okinawa East China Sea
Kyushu Pacific
Miyazaki Pacific Japan
Tsushima Strait Japan
Kochi Pacific Japan
Frequently asked questions
What fish can you catch at Okinawa Trough?
Anglers at Okinawa Trough target Striped Marlin, Yellowfin Tuna and Mahi-Mahi.
When is the best time to fish Okinawa Trough?
The most productive months at Okinawa Trough are typically April, May, June, July, August, September, October.
What is the fishing forecast for Okinawa Trough right now?
Okinawa Trough currently scores 82 out of 100, based on live ocean and weather conditions — see the full breakdown on this page.
Do you need a licence to fish Okinawa Trough?
Fishing at Okinawa Trough follows the local rules for NW Pacific, 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 Yellowfin Tuna: Chasing the Blue-Water BrawlerHow to Catch Mahi-Mahi / Dorado: Chasing the Electric-Green Ghosts of the BluewaterHow 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.