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.
Unclassified
STORMY SEA
MMSI 367089140 · Call sign WSB7864
Not yet on Master's MateType
Unclassified
Flag
USALength
45.9 m
Beam
9.2 m
Draft
4.1 m
Call sign
WSB7864
IMO
7733307
Official No.
586415
AIS reports
1
STORMY SEA is an American craft, 45.9 metres in length. She's built with a 9.2-metre beam and a 4.1 m draft. She broadcasts as MMSI 367089140, call sign WSB7864, IMO 7733307. Join STORMY SEA to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
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Is STORMY SEA 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 STORMY SEA 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 STORMY SEA 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 STORMY SEA and switch it all on
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About STORMY SEA
What kind of vessel is STORMY SEA?
STORMY SEA is a Unclassified flagged to United States of America.
What is STORMY SEA's MMSI?
STORMY SEA's MMSI is 367089140. Call sign WSB7864. IMO 7733307.
How big is STORMY SEA?
STORMY SEA is about 45.9 m long, 9.2 m on the beam, drawing 4.1 m.
Is STORMY SEA on the Master's Mate Safety Initiative Network?
Not yet. If STORMY SEA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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