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.
Pleasure Craft
GNARWHAL
MMSI 368278950 · Call sign WDN4209
Not yet on Master's MateType
Pleasure Craft
Flag
USALength
14 m
Beam
8 m
Call sign
WDN4209
Official No.
1248733
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
143
An American cruising boat, GNARWHAL measures 14 metres. She's built with a beam measuring 8 metres. Find her under MMSI 368278950, call sign WDN4209. GNARWHAL is exactly the kind of boat the Master's Mate Safety Initiative Network was built for — free, simple, and always on watch.
Free forever · No credit card · for recreational captains
Keep GNARWHAL 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
17.0126° N, 61.7800° W
Cruising the Caribbean? 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 GNARWHAL 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 GNARWHAL and switch it all on
Free to join · nothing to install to start · cancel anytime
About GNARWHAL
What kind of vessel is GNARWHAL?
GNARWHAL is a Pleasure Craft flagged to United States of America.
Where was GNARWHAL last seen?
GNARWHAL was last reported in the Caribbean in Jun 2026 on public AIS.
What is GNARWHAL's MMSI?
GNARWHAL's MMSI is 368278950. Call sign WDN4209.
How big is GNARWHAL?
GNARWHAL is about 14 m long, 8 m on the beam.
Is GNARWHAL on the Master's Mate Safety Initiative Network?
Not yet. If GNARWHAL is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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