每日海域態勢報告Daily Maritime Situation Report

Name: Taiwan Gray Zone Maritime Daily Report Data — 2026-09-21
Published: 2026-09-21
License: https://opensource.org/licenses/MIT

📅 2026-09-21 · 資料更新data updated 2026-09-21T17:49:31Z

今日重點Today at a Glance

7,976

AIS 船舶AIS vessels

16,566

暗船 (SAR)Dark vessels

1,601

可疑船隻Suspicious

665

極高風險Critical

625

緊貼海纜Near cable

320

可疑旁靠Suspicious STS

暗船比對成效Dark-vessel verification

16,566

SAR 暗偵測SAR dark detections

2,436

固定設施剔除Infra filtered

925

本地 AIS 對上Re-matched

13,205

殘餘暗船Residual dark

20.3%

假暗船剔除率False-dark removed

AIS 覆蓋外Outside coverage

2436

13205

■ 固定設施Infrastructure 2,436 · ■ 本地對上Re-matched 925 · ■ 殘餘暗船Residual 13,205

GFW 判定為「未匹配 AIS」的 16,566 筆 SAR 偵測，先剔除 2,436 筆風機／平台等固定設施，再以港務局本地 AIS（21,473 艘、推算至 Sentinel-1 過境時刻）重新比對，對上 925 筆假暗船（覆蓋範圍內重比對率 6.5%），剩下 13,205 筆為殘餘暗船；其中 0 筆落在本地 AIS 保留期之外，無法驗證。Of 16,566 SAR detections GFW flagged as AIS-unmatched, 2,436 were removed as fixed infrastructure (wind farms / platforms), then re-matched against local Port Bureau AIS (21,473 vessels, dead-reckoned to the Sentinel-1 overpass instant): 925 turned out to be false dark ships (6.5% re-match rate within coverage), leaving 13,205 residual dark detections — of which 0 fall outside local AIS retention and cannot be verified.

SAR 取證影像SAR chip forensics

最新取證批次 2026-09-20：10 筆 · 累積 264 筆 · 確認率 9.8%Latest run 2026-09-20: 10 targets · 264 cumulative · 9.8% confirmed · ✅ 26 · 🟡 54 · ⚠️ 1 · ⚪ 183 · 本輪取證報告Run report

SAR chip 22.7, 120.19 — ✅ 確認實體目標Confirmed target
📅 2026-09-16 · 📍 22.7, 120.19 · 🛰️ 21:51 UTC · internal_waters
~198.5 m · 36.5× (83 px)

SAR chip 22.97, 120.13 — 🟡 弱目標Weak target
📅 2026-09-16 · 📍 22.97, 120.13 · 🛰️ 21:51 UTC · internal_waters
~50.0 m · 9.3× (12 px)

日期Date	座標Position	海域Area	法域Zone	成像時刻Acquired	判定Verdict	估計長度Length	峰值比Peak
2026-09-16	23.37, 119.86	southwest	internal_waters	21:51	⚪ 無目標No target	—	—
2026-09-16	22.83, 120.16	southwest	internal_waters	21:51	⚪ 無目標No target	—	—
2026-09-16	22.97, 120.13	southwest	internal_waters	21:51	🟡 弱目標Weak target	~50.0 m	9.3×
2026-09-16	21.96, 119.78	southwest	eez	21:52	⚪ 無目標No target	—	—
2026-09-16	24.29, 121.87	east	territorial_sea	21:51	⚪ 無目標No target	—	—
2026-09-16	24.3, 121.85	east	territorial_sea	21:51	⚪ 無目標No target	—	—
2026-09-16	22.87, 121.53	east	territorial_sea	21:51	⚪ 無目標No target	—	—
2026-09-16	25.21, 121.94	east	internal_waters	21:51	⚪ 無目標No target	—	—
2026-09-16	22.7, 120.19	southwest	internal_waters	21:51	✅ 確認實體目標Confirmed target	~198.5 m	36.5×
2026-09-16	22.46, 120.38	southwest	internal_waters	21:51	⚪ 無目標No target	—	—

切片由 Sentinel-1 GRD 影像即時裁切（VV 極化、dB 尺度），判定為自動亮目標偵測結果，長度為粗估。點圖看全解析度原圖。Chips are cut from Sentinel-1 GRD imagery (VV, dB scale); verdicts come from automated bright-target detection and lengths are rough estimates. Click for the full-resolution image.

可疑船隻 Top 5Top 5 Suspicious Vessels

船舶Vessel	類型Type	分數Score	法域Zone	海纜Cable
CCC 413000000	cargo	31	eez	—
SAFCO 457119000	cargo	28	internal_waters	—
YING HAI 59 412522610	cargo	28	internal_waters	within_5km
DIANA 667001430	tanker	27	internal_waters	—
CHERRY 168 667001298	tanker	27	contiguous_zone	within_5km

資料來源與限制：AIS 可能因轉發延遲或船舶走暗而不完整；SAR 偵測代表雷達可見目標，不必然代表違法；可疑分數為風險排序，並非法律認定。本報告由公開資料自動產生。 Sources & limits: AIS may be incomplete due to relay delay or vessels going dark; a SAR detection is a radar-visible target, not proof of illegality; the suspicious score is a risk ranking, not a legal finding. This report is auto-generated from public data.

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