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
HARBOR BAY EXPRESS II ALAMEDA
MMSI 366921890 · Call sign WCD9636
Not yet on Master's MateFlag
USACall sign
WCD9636
Official No.
998632
AIS reports
1
HARBOR BAY EXPRESS II ALAMEDA flies the American flag — a boat. She's listed under MMSI 366921890, call sign WCD9636. HARBOR BAY EXPRESS II ALAMEDA can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card
Is HARBOR BAY EXPRESS II ALAMEDA 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 HARBOR BAY EXPRESS II ALAMEDA 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 HARBOR BAY EXPRESS II ALAMEDA 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 HARBOR BAY EXPRESS II ALAMEDA and switch it all on
Free to join · nothing to install to start · cancel anytime
About HARBOR BAY EXPRESS II ALAMEDA
What kind of vessel is HARBOR BAY EXPRESS II ALAMEDA?
HARBOR BAY EXPRESS II ALAMEDA is a vessel flagged to United States of America.
What is HARBOR BAY EXPRESS II ALAMEDA's MMSI?
HARBOR BAY EXPRESS II ALAMEDA's MMSI is 366921890. Call sign WCD9636.
Is HARBOR BAY EXPRESS II ALAMEDA on the Master's Mate Safety Initiative Network?
Not yet. If HARBOR BAY EXPRESS II ALAMEDA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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