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.
Other
WATCHMAN
MMSI 367531220 · Call sign WDG3938
Not yet on Master's MateType
Other
Flag
USALength
29 m
Beam
8 m
Call sign
WDG3938
Official No.
646135
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
65
WATCHMAN is an American boat — 29 metres overall. She carries a 8 m beam. On AIS she shows as MMSI 367531220, call sign WDG3938. Join WATCHMAN to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
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Is WATCHMAN 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
Last known position · Jun 4, 2026
Position
48.2239° N, 123.4629° W
Crossing the Salish Sea? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put WATCHMAN 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 WATCHMAN and switch it all on
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About WATCHMAN
What kind of vessel is WATCHMAN?
WATCHMAN is a Other flagged to United States of America.
Where was WATCHMAN last seen?
WATCHMAN was last reported in the Salish Sea in Jun 2026 on public AIS.
What is WATCHMAN's MMSI?
WATCHMAN's MMSI is 367531220. Call sign WDG3938.
How big is WATCHMAN?
WATCHMAN is about 29 m long, 8 m on the beam.
Is WATCHMAN on the Master's Mate Safety Initiative Network?
Not yet. If WATCHMAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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