Navigational warnings on 2021-12-28

UTC day · today

issued
32
cancelled
25
in force at end
418
of these still in force
1

Issued · by type

Surveys7
Incidents6
Other5
Nav aids5
Icebergs4
Exercises3
Derelicts1
Towing1

Issued · by sea

North Atlantic Ocean10
North Sea4
South China Sea2
Southern Ocean2
North Pacific Ocean2
Coral Sea1
Laccadive Sea1
Arabian Sea1

HYDROLANT 12 · NAVAREA IV 10 · HYDROPAC 9 · NAVAREA XII 1

Issued · 32

Cancelled · 25

Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.

Navigational warnings on 2021-12-28 · seahazards