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Current Voyage

FROM

Unknown

TO

Unknown

DepartedDestination
Track
In Map

Weather Conditions

Temperature
19.3°C
Pressure
1007 hPa
Wind Gust
6.7 m/s
Wind Speed by Height
10m Height
5.8 m/s
88°
80m Height
6.9 m/s
89°
100m Height
7.0 m/s
90°
Wave Conditions
Significant Waves
1.1 m
Period: 4.8s
39°
Wind Waves
0.9 m
Period: 4.8s
89°
Wave Power
2.8 kW/m

SEIEIMARU NO21

MMSI: 431008707

Vessel Specifications

SEIEIMARU NO21 is a vessel sailing under the Japan flag. The vessel is currently under way using engine at position 34.6218°N, 130.2404°E in the Korea Strait and moving at 0.5 knots.
Country/Flag
Japan
Ship Type-
Call Sign-
Navigation StatusUnder way using engine
Speed0.5 kn
Average Speed4.2 kn
Max Speed10.4 kn
Course Over Ground (COG)69.5°
True Heading511°
Rate of Turn-
Latitude34.621780
Longitude130.240400
Water BodyKorea Strait
Last Update (UTC)
Timezone
Local Time
Transmitted DestinationUnknown
Transmitted ETA—

Vessel Location

SEIEIMARU NO21
34.6218, 130.2404

Vessel Dimensions

? m? m
Length
?
Width
?
Draught
?

Speed Graph

Last 24 Hours

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Port Calls History

No port calls recorded for this vessel

Event History

TimeEventFromToWater BodyLocationSOGCOG
18/05/2026, 09:56:04 UTCStarted Moving——Korea Strait34.5190, 130.16059.0 kn359.8°

About SEIEIMARU NO21

SEIEIMARU NO21 is a vessel with MMSI 431008707, registered under the flag of Japan. As of the last AIS update, SEIEIMARU NO21 is positioned at 34.6218°N, 130.2404°E in Korea Strait. The vessel is currently under way using engine, travelling at 0.5 knots with a course of 69.5°.

Last AIS signal: Tue, 19 May 2026 00:30:04 GMT

Current Weather at Vessel Position

Air temperature is 19.3°C. Wind speed is 5.8 m/s from 88°. Significant wave height is 1.1 m with a period of 5 seconds. Atmospheric pressure is 1007 hPa.