Windward Report 13,000 Vessels Affected by GPS Jamming, Windwardレポート　GPS妨害13,000隻、日本の海運も備え

Windward Report 13,000 Vessels Affected by GPS Jamming, Flag of Convenience Ships Up 260% Japanese Shipping Must Also Prepare

GPS妨害13,000隻、偽旗船260％増　Windwardレポート。日本の海運も備えが必要

Windward, a technology company that provides Maritime AI (maritime artificial intelligence) specialised for the shipping industry, has recently summarised the top six geopolitical disruptions in the global shipping market during the second quarter of 2025. According to the report, the number of sanctioned vessels reached the second-highest level since 2022. (Please read the full article for more details.)

Photo by Windward, Houthi X posted

Key Points of This Article
→ According to Windward, GPS jamming affected more than 13,000 vessels, and the rerouting of shipping via the Cape of Good Hope due to the Red Sea crisis has also caused serious congestion at ports such as Busan and Singapore.
→ In the global shipping market, real impacts are emerging, including sanctions risks and obstacles to due diligence caused by AIS jamming. Geopolitical risks are no longer “happenings abroad,” but have become a “clear and present danger” for Japanese maritime management as well.

GPS妨害13,000隻、偽旗船260％増　Windwardレポート。日本の海運も備えが必要

　海運業に特化したMaritime AI（海洋人工知能）を提供するテック企業Windwardはこのほど、2025年第2四半期の国際海運市場における地政学的混乱のトップ6をまとめた。同レポートによると、制裁対象船は2022年以降で2番目に多い水準に達し、（続きは本文でお読みください）

この記事のポイント

→Windwardによると、GPS妨害は13,000隻以上、紅海危機に伴う喜望峰経由の航路変更により釜山・シンガポールの港湾混雑も深刻化した。

→国際海運市場では制裁リスク、AIS妨害によるデューデリジェンスへの支障といった実害が現実化している。もはや地政学的リスクは「海外の出来事」ではなく、日本の海運経営にとっても「今そこにある危機」となっている。