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.
Passenger (Inspected)
Sea the City
MMSI 368158960 · Call sign WDL7302
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
12.2 m
Beam
5.5 m
Draft
2.1 m
Call sign
WDL7302
Official No.
1306287
AIS reports
1
Sea the City is an excursion vessel flagged in the United States, 12.2 metres from stem to stern. Sea the City has 5.5 metres in the beam and a 2.1-metre draft. On the registers she's MMSI 368158960, call sign WDL7302. Sea the City can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Sea the City safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 23:41 UTC
Position
38.8803° N, 77.0288° W
Speed
0.0 kn
Course
360°
Sailing Chesapeake Bay? 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Sea the City on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim Sea the City and switch it all on
Free to join · nothing to install to start · cancel anytime
About Sea the City
What kind of vessel is Sea the City?
Sea the City is a Passenger (Inspected) flagged to United States of America.
Where was Sea the City last seen?
Sea the City was last reported in Chesapeake Bay on public AIS.
What is Sea the City's MMSI?
Sea the City's MMSI is 368158960. Call sign WDL7302.
How big is Sea the City?
Sea the City is about 12.2 m long, 5.5 m on the beam, drawing 2.1 m.
Is Sea the City on the Master's Mate Safety Initiative Network?
Not yet. If Sea the City is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.