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.

Public Vessel, Unclassified

JUAN SEGUIN

MMSI 368446020 · Call sign WDQ6676

Not yet on Master's Mate

Type

Public Vessel, Unclassified

Flag

USA

Length

22.9 m

Beam

6.4 m

Draft

3.6 m

Call sign

WDQ6676

Official No.

1362329

AIS reports

JUAN SEGUIN is a boat flying the flag of the United States, 22.9 metres overall. JUAN SEGUIN has a 6.4-metre beam and a 3.6-metre draft. On AIS she shows as MMSI 368446020, call sign WDQ6676. It's free to add JUAN SEGUIN to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.

Free forever · No credit card

Is JUAN SEGUIN 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 JUAN SEGUIN 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 JUAN SEGUIN 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 JUAN SEGUIN and switch it all on

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About JUAN SEGUIN

What kind of vessel is JUAN SEGUIN?

JUAN SEGUIN is a Public Vessel, Unclassified flagged to United States of America.

What is JUAN SEGUIN's MMSI?

JUAN SEGUIN's MMSI is 368446020. Call sign WDQ6676.

How big is JUAN SEGUIN?

JUAN SEGUIN is about 22.9 m long, 6.4 m on the beam, drawing 3.6 m.

Is JUAN SEGUIN on the Master's Mate Safety Initiative Network?

Not yet. If JUAN SEGUIN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).