Shiga Japan · Japan

Lake Biwa Japan fishing forecast

72 Good of 100

Lake Biwa Japan is a freshwater fishing spot in Shiga Japan, Japan. Anglers here target Largemouth Bass, Smallmouth Bass, Pike-perch. The most productive months are typically April, May, June, July, August, September, October.

Quick answer
Best monthsApril, May, June, July
Top speciesLargemouth Bass, Smallmouth Bass, Pike-perch
Score now72/100
Local rules日本 (Japan)
Pressure trend
Pressure data unavailable
Best window today
05:00 · Light wind (0 km/h) and calm seas
Next solunar peak
major 09:26

Current conditions

Sea surface temp29.5 °C
Wind12 km/h from ENE
Current0.06 m/s toward ENE
Pressure1009 hPa
Cloud cover99%

Last updated Jul 22, 2026 (UTC). Conditions refresh through the day.

What the score means at Lake Biwa Japan

Lake Biwa Japan currently scores 72 out of 100 (Good). Water temperature is 29.5 °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

Moon
First Quarter · 50% lit
Solunar day rating
70 / 100

Best months for Lake Biwa Japan:

JanFebMarAprMayJunJulAugSepOctNovDec

About this spot

Water type
Lake · Freshwater

Lakes have no tide, so target structure, drop-offs, and seasonal thermoclines where fish concentrate by depth and temperature.

What you can catch

Best months by species at Lake Biwa Japan

Largemouth BassMicropterus salmoides
Smallmouth BassMicropterus dolomieu
Pike-perchSander lucioperca

Months reflect typical catchability by species at this latitude; local seasons and closures apply.

Local regulations

日本 (Japan)

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.

Check Lake Biwa 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 292 km of Lake Biwa Japan.

Frequently asked questions

What fish can you catch at Lake Biwa Japan?

Anglers at Lake Biwa Japan target Largemouth Bass, Smallmouth Bass and Pike-perch.

When is the best time to fish Lake Biwa Japan?

The most productive months at Lake Biwa Japan are typically April, May, June, July, August, September, October.

What is the fishing forecast for Lake Biwa Japan right now?

Lake Biwa Japan currently scores 72 out of 100, based on live ocean and weather conditions — see the full breakdown on this page.

Do you need a licence to fish Lake Biwa Japan?

Fishing at Lake Biwa Japan follows the local rules for Shiga 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

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.