Updates and Late-Breaking News
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Want it now? Guide updates and late-breaking news are now sent immediately using Twitter. Receive important changes to bridge and lock schedules, marine facilities, anchorages, and shoreside services. Electronic charting news is also available.
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mtwguides (All announcements)
mtwguidesICW (Intracoastal Waterway only)
mtwguidesKEYS (Florida Keys only)
mtwguidesC2M (Chicago-to-Mobile only)
mtwguidesECHART (Electronic charting only)