Briefing
Tropical Storm Bertha (50 kt, 997 mb per NHC advisory) near 29.3N 87.4W, moving W at 6 kt. Within range of: lower-mississippi. This page tracks vessel traffic in the affected zones — watch for departures ahead of port condition changes and anchorages clearing.
98
Transits (24 h)
+172%
vs 12-day median
—
Vessels in zone
—
Underway now
Data & citation
Transit counts are gate-line crossings computed hourly from ChartNav's own live AIS network (terrestrial receivers; coverage varies by zone — the coverage figure above says how complete the picture is, and reporting gaps are only flagged for vessels that were underway and stopped reporting globally). Baselines are rolling medians of complete days. Numbers may differ from weekly satellite-AIS datasets such as IMF PortWatch, which lag by several days but see areas terrestrial receivers cannot.
Reuse is welcome with attribution and a link. Feed: RSS · Download: daily metrics CSV · Share card: auto-updating PNG · Embed: <iframe src="https://chartnav.ai/embed/zone/houston-galveston" width="600" height="400"></iframe> · Cite: chartnav.ai/waterway/houston-galveston
Reuse is welcome with attribution and a link. Feed: RSS · Download: daily metrics CSV · Share card: auto-updating PNG · Embed: <iframe src="https://chartnav.ai/embed/zone/houston-galveston" width="600" height="400"></iframe> · Cite: chartnav.ai/waterway/houston-galveston
