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Current Voyage

FROM

Unknown

TO

Unknown

DepartedDestination
Track
In Map

Weather Conditions

Temperature
20.3°C
Pressure
1013 hPa
Wind Gust
4.2 m/s
Wind Speed by Height
10m Height
3.1 m/s
260°
80m Height
4.3 m/s
260°
100m Height
4.6 m/s
258°
Wave Conditions
Significant Waves
0.6 m
Period: 9.3s
109°
Wind Waves
0.3 m
Period: 3.4s
235°
Wave Power
1.7 kW/m

RYUSHO MARU NO.21

MMSI: 431018459

Vessel Specifications

RYUSHO MARU NO.21 is a vessel sailing under the Japan flag. The vessel is currently under way using engine at position 34.6740°N, 138.9469°E.
Country/Flag
Japan
Ship Type-
Call Sign-
Navigation StatusUnder way using engine
Speed0.0 kn
Average Speed0.0 kn
Max Speed0.1 kn
Course Over Ground (COG)360°
True Heading511°
Rate of Turn-
Latitude34.674000
Longitude138.946900
Last Update (UTC)
Timezone
Local Time
Transmitted DestinationUnknown
Transmitted ETA—

Vessel Location

RYUSHO MARU NO.21
34.6740, 138.9469

Vessel Dimensions

? m? m
Length
?
Width
?
Draught
?

Speed Graph

Last 24 Hours

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Port Calls History

Port NameBoundary EntryArrival TimeDeparture TimeBoundary ExitDuration
Shimoda Ko
01/04/2026, 16:34:07 UTC01/04/2026, 16:34:07 UTC——-

Event History

TimeEventFromToWater BodyLocationSOGCOG
01/04/2026, 16:34:07 UTCPort Boundary Entry——Land34.6740, 138.94690.0 kn360.0°
01/04/2026, 16:34:07 UTCPort Arrival——Land34.6740, 138.94690.0 kn360.0°

About RYUSHO MARU NO.21

RYUSHO MARU NO.21 is a vessel with MMSI 431018459, registered under the flag of Japan. As of the last AIS update, RYUSHO MARU NO.21 is positioned at 34.6740°N, 138.9469°E. The vessel is currently under way using engine.

Last AIS signal: Wed, 01 Apr 2026 17:25:07 GMT

Recent Port Calls

RYUSHO MARU NO.21 has recently visited the following ports:

  1. ▸Shimoda Ko — arrived 1 Apr 2026 (currently in port)

Current Weather at Vessel Position

Air temperature is 20.3°C. Wind speed is 3.1 m/s from 260°. Significant wave height is 0.6 m with a period of 9 seconds. Atmospheric pressure is 1013 hPa.