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Special yellow spotter buoy to be deployed for sea-state monitoring

No longer in forceReceived 16 Sept 2026, 00:00 UTCArchived 06 Oct 2026, 08:44 UTC

Warning text

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AVISA-SE A NAVEGAÇÃO QUE VAI SER COLOCADA UMA BOIA MARCA ESPECIAL DE COR AMARELA, EQUIPADA COM LUZ AMARELA FL(5)Y 20S, ALCANCE NOMINAL DE 1 MN, DESTINADA À MONITORIZAÇÃO DA AGITAÇÃO MARÍTIMA (BOIA SPOTTER MOTA-ENGIL). FUNDEADA NA POSIÇÃO 38°31,60'N - 28°18,70'W (WGS-84). POSITION: 38-31.61N 028-18.70W

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Analysis

No longer in force

A special yellow marker buoy (Spotter Mota-Engil) will be placed at the position given in the message. It will carry a yellow light Fl(5)Y 20s with a nominal range of 1 NM and is intended for monitoring sea agitation. Position provided in WGS-84.

Navigate with caution and keep watch for a newly deployed yellow marker buoy at the stated position.

Type: Aids to navigation · severity low
Feed: Aids to navigationAll warnings of this kind on the map, or as an API feed.
Location: Position given in message (38°31,60'N - 28°18,70'W / 38-31.61N 028-18.70W)
Hazards: special marker buoy

Aids to navigation affected

Newly establishedspecial yellow marker buoy (SPOTTER MOTA-ENGIL) · Fl(5)Y 20s · 38°31,60'N - 28°18,70'W (WGS-84); POSITION: 38-31.61N 028-18.70W

No aids-to-navigation list in the database yet; aids are shown as the warning names them.

Worked out automatically from the warning text on 27 Sept 2026, 22:29 UTC. It can be wrong: the official warning text is the authority.

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