Sea Ledger, January 2006

2006-01-01 to 2006-01-31 · archive

issued: 305
warning-days in force: 9,985
in force at month end: 334
sea × type cells: 200

baseline: same month, previous 5 years (2005-01, 2004-01, 2003-01, 2002-01, 2001-01)

By type

type	issued	warning-days	in force at end
Exercises	55	820.6	28
Nav aids	48	3,135.1	110
Cable ops	33	982.6	33
Incidents	31	1,062.4	33
Quakes	30	89	1
Icebergs	29	161.2	2
Surveys	14	795.1	26
Other	13	413.3	17
Spills	12	171	4
Wrecks	9	1,485.5	50
Missiles	7	62	2
Containers	6	22.8	4
Derelicts	6	51.5	1
Restricted	5	193.2	8
Volcanic	3	80.4	2
Ordnance	2	209.2	4
Structures	1	120.4	4
Debris	1	64.3	3
Piracy	0	65.8	2

By sea and type · 200 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Icebergs · South Atlantic Oceansurge	20	112.3	2	36	5.6× / 3.6
Exercises · Laccadive Seasurge	18	75.1	2	32	2.8× / 6.4
Cable ops · South Atlantic Ocean	14	59.2	2	35	0.4× / 34
Nav aids · North Sealong running	12	281.9	12	441	1.3× / 9
Icebergs · Southern Oceansurge	8	47.9	0	—	2.5× / 3.2
Missiles · North Pacific Ocean	7	62	2	60	1.2× / 6
Quakes · North Pacific Ocean	7	22.8	0	—	0.8× / 8.8
Exercises · South Atlantic Oceannew	6	23.6	1	21	new / 0
Quakes · South Pacific Ocean	6	18	0	—	0.5× / 13.4
Nav aids · South Pacific Oceansurge	5	343.1	13	132	2.3× / 2.2
Incidents · North Pacific Ocean	5	88.2	5	42	0.9× / 5.6
Spills · North Atlantic Oceansurge	5	67	3	29	2.5× / 2
Exercises · Bay of Bengal	5	13.5	2	18	0.9× / 5.4
Spills · North Pacific Oceansurge	4	61	1	35	2.2× / 1.8
Surveys · North Atlantic Oceansurge	4	58.2	1	145	6.7× / 0.6
Other · North Pacific Oceansurge	4	58	4	21	2.9× / 1.4
Nav aids · North Atlantic Ocean	4	52.5	2	165	0.9× / 4.2
Nav aids · Arabian Seasurgelong running	3	255	9	531	7.5× / 0.4
Cable ops · Bay of Bengalsurge	3	217.8	8	78	5.0× / 0.6
Cable ops · Mediterranean Sea - Eastern Basin	3	194.1	5	236	1.7× / 1.8
Nav aids · English Channel	3	187.3	6	270	1.0× / 3
Incidents · South Pacific Oceanlong running	3	172	6	582	0.5× / 6.6
Wrecks · Mediterranean Sea - Eastern Basinsurgelong running	3	155.1	6	582	7.5× / 0.4
Nav aids · Inner Seas off the West Coast of Scotland	3	125.6	4	236	0.8× / 3.6
Incidents · Mediterranean Sea - Eastern Basin	3	118.6	4	287	1.1× / 2.6
Exercises · Japan Seasurge	3	71.2	3	38	7.5× / 0.4
Exercises · North Pacific Ocean	3	47.5	2	36	0.7× / 4.2
Exercises · North Atlantic Oceanlong running	3	45.2	1	391	0.3× / 9.8
Incidents · Indian Ocean	3	44.8	3	290	0.5× / 5.6
Spills · Gulf of Mexico	3	43	0	—	1.1× / 2.8
Containers · North Atlantic Ocean	3	16.5	1	17	0.9× / 3.2
Quakes · Indian Ocean	3	6.2	1	30	0.5× / 6
Exercises · Adriatic Seasurge	3	3.5	1	8	3.0× / 1
Other · Inner Seas off the West Coast of Scotlandsurge	3	1.3	1	27	3.0× / 1
Exercises · Aegean Sealong running	2	268.1	8	393	0.8× / 2.4
Nav aids · Tyrrhenian Sealong running	2	178.7	7	439	0.8× / 2.6
Surveys · Arabian Sea	2	106.3	4	318	10× / 0.2
Nav aids · Celtic Sealong running	2	94.1	3	423	0.4× / 4.6
Nav aids · Laccadive Sea	2	84.2	3	35	2.5× / 0.8
Cable ops · Persian Gulf	2	74.2	3	71	10× / 0.2
Wrecks · Irish Sea and St. George's Channellong running	2	73.3	3	512	10× / 0.2
Exercises · Yellow Seanew	2	69.8	2	38	new / 0
Incidents · South Atlantic Ocean	2	68.9	1	62	0.6× / 3.6
Incidents · Coral Sea	2	61.9	1	52	0.6× / 3.6
Incidents · Tasman Sea	2	54.4	1	74	0.9× / 2.2
Nav aids · Mediterranean Sea - Eastern Basinlong running	2	39.3	3	529	3.3× / 0.6
Incidents · English Channel	2	36.9	1	30	10× / 0.2
Cable ops · Black Sea	2	36.4	2	266	10× / 0.2
Incidents · Laccadive Sea	2	35.9	2	34	10× / 0.2
Volcanic · Philippine Seanew	2	31	1	50	new / 0
Surveys · Mediterranean Sea - Eastern Basin	2	29.3	1	29	1.7× / 1.2
Nav aids · Bass Strait	2	27.8	1	26	1.7× / 1.2
Incidents · Philippine Sea	2	23	2	22	0.4× / 5.6
Exercises · Black Sea	2	17.7	1	22	0.8× / 2.4
Cable ops · Laccadive Seanew	2	15.4	1	15	new / 0
Incidents · Tyrrhenian Seanew	2	13.9	1	11	new / 0
Derelicts · Indian Ocean	2	9.1	1	14	10× / 0.2
Quakes · Banda Sea	2	6	0	—	3.3× / 0.6
Quakes · North Atlantic Ocean	2	6	0	—	2.5× / 0.8
Quakes · Southern Ocean	2	6	0	—	10× / 0.2
Restricted · Alboran Seanew	2	5.5	0	—	new / 0
Containers · South China Seanew	2	4.1	2	2	new / 0
Other · North Atlantic Ocean	2	3.1	1	21	1.4× / 1.4
Restricted · Strait of Gibraltarnew	2	1.3	1	1	new / 0
Exercises · Gulf of Mexico	2	0.8	0	—	2.0× / 1
Exercises · Arabian Sea	2	0.4	0	—	0.5× / 3.8
Nav aids · Caribbean Sea	1	212.5	7	232	new / 0
Exercises · Ionian Sealong running	1	115.7	3	393	0.6× / 1.6
Nav aids · South Atlantic Oceanlong running	1	105.7	4	416	0.2× / 4.2
Nav aids · Andaman or Burma Sea	1	98.1	3	90	1.0× / 1
Nav aids · Irish Sea and St. George's Channel	1	94	3	231	0.4× / 2.8
Cable ops · Arabian Sea	1	60.4	2	47	0.4× / 2.8
Cable ops · North Sea	1	39.9	1	280	0.4× / 2.4
Wrecks · Coral Sea	1	37.2	2	60	new / 0
Nav aids · Tasman Sealong running	1	31.9	1	527	0.8× / 1.2
Other · Great Australian Bight	1	31	1	47	new / 0
Incidents · North Atlantic Ocean	1	31	1	78	0.2× / 4.4
Incidents · Persian Gulf	1	29.4	1	29	new / 0
Other · South China Sea	1	29.2	1	29	2.5× / 0.4
Ordnance · Bay of Bengal	1	28.4	1	28	new / 0
Structures · Gulf of Mexico	1	27.4	1	27	new / 0
Wrecks · North Pacific Ocean	1	26.5	1	26	2.5× / 0.4
Ordnance · Arabian Sea	1	24.6	1	24	0.8× / 1.2
Volcanic · North Pacific Ocean	1	24.6	1	24	new / 0
Wrecks · Persian Gulf	1	23.6	1	23	1.3× / 0.8
Cable ops · Makassar Strait	1	22.6	1	22	new / 0
Surveys · Laccadive Sea	1	22.4	1	22	new / 0
Other · Mediterranean Sea - Eastern Basin	1	20.6	1	20	1.3× / 0.8
Exercises · Mediterranean Sea - Western Basin	1	20.3	1	20	0.4× / 2.8
Wrecks · North Atlantic Ocean	1	19.2	1	19	new / 0
Exercises · Philippine Sea	1	15.6	1	15	1.3× / 0.8
Surveys · Adriatic Sea	1	14.5	1	14	new / 0
Surveys · South Pacific Ocean	1	13.3	1	13	new / 0
Surveys · Tasman Sea	1	7.4	0	—	1.7× / 0.6
Derelicts · Arafura Sea	1	6.8	0	—	0.8× / 1.2
Derelicts · South Pacific Ocean	1	6.1	0	—	0.7× / 1.4
Derelicts · Tasman Sea	1	6	0	—	5.0× / 0.2
Derelicts · North Pacific Ocean	1	5.9	0	—	0.6× / 1.6
Cable ops · Bay of Biscay	1	5.3	0	—	new / 0
Cable ops · English Channel	1	4.7	0	—	0.4× / 2.4
Quakes · Aegean Sea	1	3	0	—	2.5× / 0.4
Quakes · Andaman or Burma Sea	1	3	0	—	0.3× / 3.4
Quakes · Bering Sea	1	3	0	—	5.0× / 0.2
Quakes · Coral Sea	1	3	0	—	0.4× / 2.6
Quakes · Gulf of California	1	3	0	—	new / 0
Quakes · Philippine Sea	1	3	0	—	0.4× / 2.8
Quakes · Solomon Sea	1	3	0	—	0.5× / 2.2
Quakes · South Atlantic Ocean	1	3	0	—	0.6× / 1.8
Incidents · Solomon Sea	1	2.9	0	—	5.0× / 0.2
Cable ops · Tasman Sea	1	2.7	1	2	1.7× / 0.6
Cable ops · South Pacific Ocean	1	2.6	1	2	1.7× / 0.6
Nav aids · Arafura Sea	1	2.3	0	—	new / 0
Debris · North Sea	1	2.3	1	2	5.0× / 0.2
Containers · Coral Sea	1	2.2	1	2	new / 0
Exercises · Tyrrhenian Sea	1	1.9	0	—	0.5× / 2.2
Other · Gulf of Guinea	1	1.5	1	1	new / 0
Surveys · Mediterranean Sea - Western Basin	1	1.3	1	1	2.5× / 0.4
Icebergs · South Pacific Ocean	1	1	0	—	1.0× / 1
Surveys · English Channel	1	0.5	1	0	0.4× / 2.8
Restricted · Bay of Bengal	1	0.4	1	0	new / 0
Nav aids · Great Australian Bight	1	0.4	0	—	2.5× / 0.4
Nav aids · Indian Ocean	1	0.1	0	—	1.0× / 1
Nav aids · Bay of Bengal	0	279	9	342	0.0× / 2
Wrecks · North Sealong running	0	188.6	6	466	0.0× / 1
Ordnance · North Sea	0	156.2	2	257	— / 0
Wrecks · Arabian Sealong running	0	155	5	518	0.0× / 0.2
Surveys · Baffin Baylong running	0	155	5	852	0.0× / 0.4
Nav aids · North Pacific Oceanlong running	0	155	5	528	0.0× / 0.4
Incidents · South China Sea	0	132.2	3	71	0.0× / 1.8
Wrecks · South China Sealong running	0	124	4	521	— / 0
Wrecks · English Channel	0	122.5	3	238	0.0× / 0.2
Cable ops · North Atlantic Ocean	0	117.7	3	193	0.0× / 3
Surveys · Arctic Oceanlong running	0	93	3	754	0.0× / 0.2
Surveys · Beaufort Sealong running	0	93	3	754	0.0× / 0.6
Nav aids · Gulf of Mexico	0	93	3	295	0.0× / 1
Nav aids · Coral Sealong running	0	73.9	2	589	0.0× / 3.4
Nav aids · Southern Ocean	0	71.7	2	64	0.0× / 0.2
Piracy · Persian Gulf	0	65.8	2	357	— / 0
Wrecks · Inner Seas off the West Coast of Scotland	0	64.5	2	80	— / 0
Wrecks · Caribbean Sealong running	0	62	2	377	0.0× / 0.2
Wrecks · Gulf of Mexicolong running	0	62	2	491	— / 0
Wrecks · Kattegat	0	62	2	73	— / 0
Nav aids · Mozambique Channel	0	62	2	294	— / 0
Nav aids · Red Sealong running	0	62	2	547	0.0× / 0.2
Wrecks · South Pacific Oceanlong running	0	62	2	611	0.0× / 0.2
Wrecks · Yellow Sealong running	0	62	2	594	0.0× / 0.2
Other · Arabian Sea	0	57.8	1	225	— / 0
Other · Bay of Bengal	0	55.8	1	308	— / 0
Incidents · Arabian Sea	0	42.4	0	—	0.0× / 1.4
Cable ops · Gulf of Thailand	0	39	1	103	— / 0
Surveys · North Sea	0	37	1	176	— / 0
Wrecks · Andaman or Burma Sea	0	31	1	116	0.0× / 0.2
Debris · Arctic Oceanlong running	0	31	1	406	— / 0
Restricted · Black Sea	0	31	1	203	— / 0
Structures · Black Sea	0	31	1	159	— / 0
Surveys · Chukchi Sea	0	31	1	287	— / 0
Surveys · Greenland Sealong running	0	31	1	1,070	— / 0
Other · Gulf of Mexico	0	31	1	71	— / 0
Nav aids · Gulf of Suez	0	31	1	127	— / 0
Wrecks · Gulf of Suez	0	31	1	78	— / 0
Restricted · Indian Ocean	0	31	1	282	— / 0
Wrecks · Indian Oceanlong running	0	31	1	421	— / 0
Nav aids · Ionian Sea	0	31	1	216	0.0× / 0.4
Cable ops · Irish Sea and St. George's Channel	0	31	1	113	0.0× / 0.8
Restricted · Irish Sea and St. George's Channel	0	31	1	221	— / 0
Nav aids · Malacca Strait	0	31	1	124	— / 0
Structures · Mediterranean Sea - Eastern Basin	0	31	1	127	0.0× / 0.2
Nav aids · Mediterranean Sea - Western Basinlong running	0	31	1	406	0.0× / 1.2
Other · Mozambique Channel	0	31	1	35	— / 0
Incidents · Mozambique Channel	0	31	1	44	0.0× / 0.8
Restricted · North Atlantic Ocean	0	31	1	99	0.0× / 0.2
Debris · North Pacific Ocean	0	31	1	230	— / 0
Surveys · North Pacific Ocean	0	31	1	183	— / 0
Other · North Sea	0	31	1	285	0.0× / 1
Restricted · North Sea	0	31	1	49	— / 0
Other · Persian Gulf	0	31	1	111	— / 0
Restricted · Persian Gulf	0	31	1	62	— / 0
Structures · Persian Gulflong running	0	31	1	470	0.0× / 0.2
Wrecks · Red Sea	0	31	1	78	— / 0
Wrecks · Singapore Straitlong running	0	31	1	617	— / 0
Wrecks · South Atlantic Ocean	0	31	1	324	— / 0
Cable ops · South China Sea	0	31	1	98	0.0× / 1
Other · Tasman Sealong running	0	31	1	448	— / 0
Exercises · Malacca Strait	0	30.7	0	—	0.0× / 0.6
Volcanic · Andaman or Burma Sea	0	24.8	0	—	— / 0
Surveys · Bay of Bengal	0	24.8	0	—	— / 0
Cable ops · Great Australian Bight	0	24.8	0	—	0.0× / 0.2
Incidents · Ionian Sea	0	24.7	0	—	0.0× / 1.4
Surveys · Gulf of Mexico	0	23.5	0	—	0.0× / 0.2
Incidents · Southern Ocean	0	21.4	0	—	0.0× / 0.6
Surveys · Japan Sea	0	17.6	0	—	— / 0
Derelicts · North Sea	0	17.6	0	—	— / 0
Incidents · Timor Sea	0	17.6	0	—	— / 0
Incidents · Mediterranean Sea - Western Basin	0	7.5	0	—	0.0× / 0.2
Surveys · Gulf of Suez	0	5	0	—	0.0× / 0.2
Cable ops · Gulf of Oman	0	3.8	0	—	— / 0
Incidents · Japan Sea	0	3.8	0	—	0.0× / 0.8
Surveys · Black Sea	0	0	0	—	— / 0
Surveys · Sea of Okhotsk	0	0	0	—	— / 0
Debris · South Pacific Ocean	0	0	0	—	0.0× / 0.2

Cite: seahazards.com Sea Ledger, 2006-01, retrieved 2026-09-03

Not for navigation. Warning-days = days each warning was in force within the month, summed. Only warnings we display are counted; the ratio compares warnings issued with the mean of the reference months.