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.
Recreational
SEA-ZEN II
MMSI 368235080 · Call sign WDM7549
Not yet on Master's MateType
Recreational
Flag
USALength
15.4 m
Beam
7.7 m
Draft
3.1 m
Call sign
WDM7549
Official No.
1321932
Hull ID
RACB5034G122
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
74
SEA-ZEN II is an American 15.4-metre recreational vessel. She has a beam measuring 7.7 metres and a draft measuring 3.1 metres. Her registration reads MMSI 368235080, call sign WDM7549. Add SEA-ZEN II to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for recreational captains
Keep SEA-ZEN II looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
43.5517° N, 69.9147° W
Cruising the Gulf of Maine? 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 · for recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SEA-ZEN II 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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
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 SEA-ZEN II and switch it all on
Free to join · nothing to install to start · cancel anytime
About SEA-ZEN II
What kind of vessel is SEA-ZEN II?
SEA-ZEN II is a Recreational flagged to United States of America.
Where was SEA-ZEN II last seen?
SEA-ZEN II was last reported in the Gulf of Maine in Jun 2026 on public AIS.
What is SEA-ZEN II's MMSI?
SEA-ZEN II's MMSI is 368235080. Call sign WDM7549.
How big is SEA-ZEN II?
SEA-ZEN II is about 15.4 m long, 7.7 m on the beam, drawing 3.1 m.
Is SEA-ZEN II on the Master's Mate Safety Initiative Network?
Not yet. If SEA-ZEN II is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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