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NAVAREA IV 1068/26

SÉCURITÉ

USCG HF/MF communications off-air or unreliable at listed remote facilities in Western North Atlantic

No longer in forceIssued 05 Nov 2026, 08:03 UTCArchived 09 Nov 2026, 16:00 UTC

Warning text

Positions open on the map
WESTERN NORTH ATLANTIC. 1. HF AND MF TRANSMIT CAPABILITIES OFF AIR AND RECEIVE CAPABILITIES UNRELIABLE 061200Z TO 061600Z NOV AT USCG REMOTE COMMUNICATION FACILITIES: A. BOSTON 41-43.00N 070-31.00W. B. CHESAPEAKE 36-44.00N 076-01.00W. C. CHARLESTON 32-08.00N 081-42.00W. D. MIAMI 25-30.00N 080-23.00W. E. NEW ORLEANS 29-53.00N 089-57.00W. F. SAN JUAN 18-27.00N 066-06.00W. 2. CANCEL THIS MSG 061700Z NOV 26.

Analysis

No longer in force

USCG remote HF and MF transmit capabilities will be off-air and receive capabilities unreliable at several USCG remote communication facilities. Affected facilities are listed (Boston, Chesapeake, Charleston, Miami, New Orleans, San Juan). The outage is scheduled for 06 Nov from 1200Z to 1600Z; message self-cancels at 061700Z Nov 26.

Type
Other · severity moderate
Location
Western North Atlantic (listed USCG remote communication facilities)
Validity
From 06 Nov 2026, 12:00 UTC
Until 06 Nov 2026, 17:00 UTC061200Z TO 061600Z NOV AT USCG REMOTE COMMUNICATION FACILITIES... CANCEL THIS MSG 061700Z NOV 26.
Activity periods
  • 06 Nov 2026, 12:00 UTC - 06 Nov 2026, 16:00 UTC (HF and MF transmit off-air and receive unreliable at listed USCG remote communication facilities)
Hazards
HF/MF communications off-air, unreliable reception

Worked out automatically from the warning text on 05 Nov 2026, 17:48 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
  • 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.

KeywordsUNRELIABLEOFF AIR

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