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.
Tug
GUAM
MMSI 368181950 · Call sign WDL9755
Not yet on Master's MateType
Tug
Flag
USALength
26 m
Beam
20 m
Draft
1.8 m
Call sign
WDL9755
Official No.
1311318
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
59
Registered in the United States, GUAM is a 26-metre tugboat. She's built with a beam of 20 m and a 1.8 m draft. Officially she's MMSI 368181950, call sign WDL9755. The Master's Mate Safety Initiative Network welcomes GUAM — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for working boats
Built for boats that work — like GUAM.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
29.6824° N, 94.9871° W
Working the Gulf of Mexico? 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put GUAM on the map. It hands you the full bridge:
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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 GUAM and switch it all on
Free to join · nothing to install to start · cancel anytime
About GUAM
What kind of vessel is GUAM?
GUAM is a Tug flagged to United States of America.
Where was GUAM last seen?
GUAM was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is GUAM's MMSI?
GUAM's MMSI is 368181950. Call sign WDL9755.
How big is GUAM?
GUAM is about 26 m long, 20 m on the beam, drawing 1.8 m.
Is GUAM on the Master's Mate Safety Initiative Network?
Not yet. If GUAM 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.