Master's MateSafety Initiative Network
The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Vessel
Southern Coast
MMSI 367642570 · Call sign WDM7577
Not yet on Master's MateFlag
USACall sign
WDM7577
Official No.
WN 3306 SF
AIS reports
2
Southern Coast flies the American flag — a vessel. She broadcasts as MMSI 367642570, call sign WDM7577. Claim Southern Coast free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card
Is Southern Coast your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Southern Coast roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
Free with your claim
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Southern Coast on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim Southern Coast and switch it all on
Free to join · nothing to install to start · cancel anytime
About Southern Coast
What kind of vessel is Southern Coast?
Southern Coast is a vessel flagged to United States of America.
What is Southern Coast's MMSI?
Southern Coast's MMSI is 367642570. Call sign WDM7577.
Is Southern Coast on the Master's Mate Safety Initiative Network?
Not yet. If Southern Coast is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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