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.

Recreational

Seas The Day

MMSI 366948650 · Call sign WDB7844

Not yet on Master's Mate

Type

Recreational

Flag

USA

Length

14.5 m

Beam

4.6 m

Draft

2.7 m

Call sign

WDB7844

Official No.

1098259

Hull ID

SERP4868D000

AIS reports

On the American registry, Seas The Day is a 14.5-metre family boat. Seas The Day has 4.6 metres in the beam and a 2.7-metre draft. Her registration reads MMSI 366948650, call sign WDB7844. Seas The Day 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 recreational captains

Keep Seas The Day 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

Wherever Seas The Day 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 · for recreational captains

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Seas The Day 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 Seas The Day and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About Seas The Day

What kind of vessel is Seas The Day?

Seas The Day is a Recreational flagged to United States of America.

What is Seas The Day's MMSI?

Seas The Day's MMSI is 366948650. Call sign WDB7844.

How big is Seas The Day?

Seas The Day is about 14.5 m long, 4.6 m on the beam, drawing 2.7 m.

Is Seas The Day on the Master's Mate Safety Initiative Network?

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