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497/26

Submerged submarine exercises in Gulf of Taranto, northern Ionian Sea

Activeuntil 12 Nov 2026, 08:00 UTC (5 h ago)Received 26 Oct 2026, 15:56 UTC

Warning text

Positions open on the map
COSTAVURNAV 497/26 OTT 19 MAR IONIO SETTENTRIONALE GOLFO DI TARANTO. DA 261000Z OTT 26 A 120800Z NOV 26, NELLO SPECCHIO ACQUEO: LAT. LONG. 40-18.00N 016-51.00E 40-24.00N 016-54.00E 40-26.500N 016-57.000E 40-29.000N 017-02.500E 40-24.200N 017-12.000E 40-23.00N 017-12.00E 40-22.500N 017-11.500E 40-22.00N 017-12.00E 40-18.00N 017-12.00E DA 261000Z OTT 26 A 120800Z NOV 26, NELL'AREA: SIERRA 731, DA 261000Z OTT 26 A 280800Z OTT 26, NELLE AREE: SIERRA 733 ALFA E BRAVO, SI SVOLGERANNO ESERCITAZIONI MILITARI DI SOMMERGIBILE IMMERSO. E' VIETATA LA SOSTA DI QUALUNQUE NAVE/GALLEGGIANTE NONCHE' QUALSIASI ATTIVITA' SUBACQUEA E DI PESCA. (BROADCAST VALID 02 NOV 2026 1540 TO 12 NOV 2026 2340 ITALIAN TIME.)

Analysis

Activeuntil 12 Nov 2026, 08:00 UTC (5 h ago)

Submerged submarine exercises will take place in the Gulf of Taranto, northern Ionian Sea. The main danger area is active from 26 Oct 10:00Z to 12 Nov 08:00Z; two subareas (SIERRA 733 ALFA and BRAVO) are active 26 Oct 10:00Z to 28 Oct 08:00Z. All vessels, floating units, underwater activities and fishing are prohibited in the area.

Type
Military exercise · severity high
Feed
Military exercises and firingAll warnings of this kind on the map, or as an API feed.
Location
Gulf of Taranto, northern Ionian Sea
Validity
From 26 Oct 2026, 10:00 UTC
Until 12 Nov 2026, 08:00 UTCDA 261000Z OTT 26 A 120800Z NOV 26; DA 261000Z OTT 26 A 280800Z OTT 26
Activity periods
  • 26 Oct 2026, 10:00 UTC - 12 Nov 2026, 08:00 UTC (General area and SIERRA 731 active)
  • 26 Oct 2026, 10:00 UTC - 28 Oct 2026, 08:00 UTC (SIERRA 733 ALFA and BRAVO active)
Hazards
submerged submarine operations, prohibited anchoring/lying-to, prohibited underwater activities, prohibited fishing

Worked out automatically from the warning text on 10 Nov 2026, 23:37 UTC. It can be wrong: the official warning text is the authority.

The whole analysis comes with Lagom

This warning's analysis also has:

  • Action for mariners
  • Keep-clear distance
  • Translations
  • Nearby lights and rescue centres

The action for mariners, the keep-clear distance, contacts, ships named, translations and the nearby lights and rescue centres come with Lagom and every higher plan, and with the API plans. The official warning text above is always free.

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