A week after Storm Austen, Claude counted 6 to 10 container ships at anchor off Rotterdam on 1 November 2026, most of them there a day or two.
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Four Claude runs counted 7 to 32 ships at Durban anchorage on 1 November 2026. One dated a wait of about 18 days. How each run worked.
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Claude checked US Gulf crude tankers at and due at Corpus Christi and Galveston on 1 November 2026 and read draughts to judge laden or ballast.
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A practical tour of what "real-time" really means when you're tracking ships — the physics of AIS, the latency budget, and how to actually pull positions out of the VesselAPI.
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Maritime email alerts and API-based vessel monitoring look like the same product wearing different clothes. They aren't. Here's what the difference actually costs you.
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A walk through what actually gets recorded when a ship enters a port, why the timestamps are weirder than you think, and how to query the data cleanly without getting burned.
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How to build vessel geofence webhooks that actually fire when you want them to — AIS data quirks, debouncing, idempotency, and the small architectural decisions that separate a useful alert from a n...
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How we migrated a maritime AIS platform from MongoDB to TimescaleDB, built two-layer spatial indexing with H3 and PostGIS, and found 240 dead struct tags from the old world.
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