Sea Ledger, January 2005

2005-01-01 to 2005-01-31 · archive

issued: 367
warning-days in force: 8,035
in force at month end: 273
sea × type cells: 198

baseline: same month, previous 5 years (2004-01, 2003-01, 2002-01, 2001-01, 2000-01)

By type

type	issued	warning-days	in force at end
Quakes	81	245.6	10
Incidents	57	1,210.6	52
Nav aids	57	2,520.8	81
Cable ops	47	745.4	24
Exercises	43	585.1	18
Icebergs	15	66.8	2
Wrecks	13	909.7	33
Containers	13	77.8	1
Surveys	10	698.2	25
Other	9	454.5	13
Missiles	7	61.8	2
Derelicts	6	26.9	1
Spills	6	85	1
Ordnance	2	75.9	2
Debris	1	66.8	2
War risk	0	93	3
Towing	0	31	1
Structures	0	62	2
Restricted	0	18.5	0

By sea and type · 198 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Ocean	24	86.4	4	74	0.5× / 45.4
Quakes · Andaman or Burma Seanew	17	51.6	2	33	new / 0
Quakes · South Pacific Ocean	16	43.7	4	28	1.2× / 13.6
Quakes · Indian Oceansurge	15	49.2	1	33	3.8× / 4
Exercises · Laccadive Seasurge	10	38.1	2	30	2.3× / 4.4
Incidents · South Pacific Ocean	9	220.8	9	217	1.6× / 5.8
Incidents · Indian Oceansurge	9	126.7	7	79	2.3× / 4
Nav aids · North Sea	9	89	4	76	1.0× / 9
Icebergs · South Atlantic Oceansurge	9	38.3	1	19	3.2× / 2.8
Quakes · Bay of Bengalnew	9	33.4	0	—	new / 0
Exercises · North Atlantic Ocean	8	70.1	3	32	0.9× / 9.2
Containers · North Atlantic Oceansurge	8	46.5	0	—	4.0× / 2
Quakes · North Pacific Ocean	8	24.6	0	—	1.0× / 8
Nav aids · English Channelsurge	7	102	6	186	2.9× / 2.4
Missiles · North Pacific Ocean	7	61.8	2	64	1.3× / 5.6
Nav aids · Inner Seas off the West Coast of Scotlandsurgelong running	7	61.1	1	546	2.2× / 3.2
Incidents · Philippine Sea	7	39.8	3	74	1.5× / 4.8
Nav aids · Bay of Bengalsurgelong running	5	285.4	8	488	5.0× / 1
Incidents · North Pacific Ocean	5	166	5	51	0.8× / 6.6
Cable ops · Mediterranean Sea - Eastern Basinsurge	5	131.1	4	55	3.1× / 1.6
Cable ops · Arabian Seasurge	5	104	5	136	2.3× / 2.2
Nav aids · North Atlantic Ocean	4	86.9	2	287	0.9× / 4.4
Exercises · Ionian Seasurgelong running	4	84.3	3	398	5.0× / 0.8
Exercises · Aegean Sealong running	4	82.9	3	398	1.1× / 3.8
Exercises · Mediterranean Sea - Eastern Basinsurge	4	62.1	3	31	2.2× / 1.8
Nav aids · South Atlantic Ocean	4	61.1	3	359	0.9× / 4.4
Nav aids · Irish Sea and St. George's Channel	4	49.2	2	195	1.4× / 2.8
Quakes · South Atlantic Oceansurge	4	8.5	2	23	2.5× / 1.6
Incidents · North Atlantic Ocean	3	135	4	83	0.6× / 5.4
Incidents · South Atlantic Ocean	3	129.7	5	81	0.6× / 5.2
Wrecks · Persian Gulfsurge	3	127.8	5	103	15× / 0.2
Nav aids · Celtic Sea	3	72.9	2	86	0.7× / 4.2
Incidents · Tasman Sea	3	67	3	39	1.3× / 2.4
Spills · North Atlantic Ocean	3	42	1	26	1.7× / 1.8
Exercises · North Pacific Ocean	3	40	1	35	0.7× / 4.6
Incidents · Mediterranean Sea - Eastern Basin	3	27.6	2	15	1.1× / 2.6
Icebergs · South Pacific Oceansurge	3	16.9	0	—	5.0× / 0.6
Incidents · Mozambique Channelsurge	3	11.3	3	3	15× / 0.2
Cable ops · English Channel	3	5.3	0	—	1.3× / 2.4
Nav aids · Andaman or Burma Sea	2	132	4	215	3.3× / 0.6
Nav aids · Tasman Sea	2	121.1	5	202	2.5× / 0.8
Cable ops · Timor Seanew	2	114.1	3	233	new / 0
Nav aids · Persian Gulflong running	2	73.9	3	1,154	1.1× / 1.8
Incidents · Coral Sea	2	58.9	2	77	0.5× / 4
Spills · North Pacific Ocean	2	28	0	—	1.1× / 1.8
Exercises · Tyrrhenian Sea	2	19.8	0	—	0.7× / 2.8
Incidents · North Sea	2	18.4	1	18	5.0× / 0.4
Incidents · Bay of Biscay	2	13.1	1	13	10× / 0.2
Containers · North Seanew	2	12.2	0	—	new / 0
Exercises · Bay of Bengal	2	11.7	0	—	0.4× / 5
Exercises · Persian Gulf	2	10.8	0	—	10× / 0.2
Wrecks · North Pacific Oceannew	2	8.2	1	7	new / 0
Icebergs · Indian Ocean	2	6.7	0	—	5.0× / 0.4
Cable ops · Bristol Channel	2	6.3	0	—	10× / 0.2
Nav aids · Coral Sea	1	205.5	6	224	0.3× / 3.8
Wrecks · Arabian Sea	1	122.6	4	229	new / 0
Nav aids · Tyrrhenian Sea	1	97.5	3	74	0.3× / 3
Nav aids · Great Australian Bight	1	93.2	3	140	1.7× / 0.6
Wrecks · North Sea	1	85.6	3	112	1.3× / 0.8
Surveys · Persian Gulf	1	83.7	3	278	2.5× / 0.4
Nav aids · South Pacific Ocean	1	81.1	2	283	0.5× / 2.2
Other · North Pacific Ocean	1	74.1	3	72	0.6× / 1.6
Wrecks · Irish Sea and St. George's Channel	1	71	3	147	new / 0
Nav aids · North Pacific Ocean	1	69.5	3	185	2.5× / 0.4
Nav aids · Laccadive Sea	1	68.9	2	230	1.7× / 0.6
Wrecks · Mediterranean Sea - Eastern Basin	1	63.6	2	217	5.0× / 0.2
Surveys · Indian Ocean	1	59.2	2	46	1.7× / 0.6
Cable ops · Gulf of Mexico	1	53	1	86	5.0× / 0.2
Wrecks · Malacca Strait	1	44.6	2	115	new / 0
Cable ops · Bass Strait	1	44.1	2	135	new / 0
Cable ops · Bay of Bengal	1	36.3	2	44	2.5× / 0.4
Cable ops · Gulf of Suez	1	28.3	1	32	1.3× / 0.8
Other · North Sea	1	27.5	0	—	1.0× / 1
Incidents · Molukka Sea	1	25.9	1	25	new / 0
Exercises · South Pacific Ocean	1	21.4	1	21	0.5× / 2
Surveys · Alboran Sea	1	21.3	1	21	new / 0
Wrecks · Andaman or Burma Sea	1	20.9	0	—	new / 0
Surveys · Gulf of Guinea	1	20.6	1	20	2.5× / 0.4
Incidents · Arabian Sea	1	19.5	1	19	0.7× / 1.4
Surveys · Arabian Sea	1	17.9	1	65	new / 0
Other · South Pacific Ocean	1	16.4	1	83	1.7× / 0.6
Spills · Gulf of Mexico	1	15	0	—	0.3× / 3.8
Wrecks · Caribbean Sea	1	12.5	1	12	new / 0
Wrecks · Japan Sea	1	11.9	1	11	5.0× / 0.2
Surveys · Mediterranean Sea - Eastern Basin	1	11	1	31	1.0× / 1
Cable ops · North Sea	1	11	0	—	0.3× / 3
Exercises · Mediterranean Sea - Western Basin	1	10.3	0	—	0.3× / 3.2
Ordnance · Gulf of Mexico	1	8.6	0	—	1.7× / 0.6
Incidents · Laccadive Sea	1	7.2	1	7	5.0× / 0.2
Derelicts · North Atlantic Ocean	1	6.8	0	—	0.5× / 2.2
Surveys · Tasman Sea	1	6.7	1	6	2.5× / 0.4
Containers · North Pacific Ocean	1	6.6	1	37	5.0× / 0.2
Containers · Bay of Bengal	1	6.4	0	—	new / 0
Derelicts · Mediterranean Sea - Eastern Basin	1	6.4	0	—	2.5× / 0.4
Derelicts · Mediterranean Sea - Western Basin	1	6.4	0	—	new / 0
Derelicts · Arafura Sea	1	6.3	0	—	1.0× / 1
Other · Arafura Sea	1	6.1	1	6	new / 0
Containers · Mediterranean Sea - Western Basin	1	6.1	0	—	5.0× / 0.2
Ordnance · Persian Gulf	1	5.3	0	—	1.0× / 1
Icebergs · Southern Ocean	1	4.9	1	4	0.3× / 3.8
Other · English Channel	1	4.8	0	—	1.3× / 0.8
Debris · Mediterranean Sea - Western Basin	1	4.8	0	—	2.5× / 0.4
Other · Indian Ocean	1	4.3	0	—	new / 0
Quakes · Philippine Sea	1	3.6	0	—	0.3× / 3
Cable ops · Red Sea	1	3.3	1	3	new / 0
Other · Inner Seas off the West Coast of Scotland	1	3.1	0	—	1.3× / 0.8
Quakes · Aegean Sea	1	3	0	—	5.0× / 0.2
Quakes · Banda Sea	1	3	0	—	1.7× / 0.6
Quakes · Bismarck Sea	1	3	0	—	0.7× / 1.4
Quakes · Celebes Sea	1	3	0	—	5.0× / 0.2
Quakes · Java Sea	1	3	0	—	5.0× / 0.2
Quakes · Makassar Strait	1	3	0	—	new / 0
Quakes · Mediterranean Sea - Eastern Basin	1	3	0	—	new / 0
Quakes · Molukka Sea	1	3	0	—	1.7× / 0.6
Quakes · North Atlantic Ocean	1	3	0	—	1.7× / 0.6
Quakes · Solomon Sea	1	3	0	—	0.4× / 2.6
Other · Ionian Sea	1	2.8	0	—	2.5× / 0.4
Nav aids · Gulf of Mexico	1	1.3	0	—	1.3× / 0.8
Quakes · Ionian Sea	1	1	1	0	new / 0
Surveys · North Atlantic Ocean	1	1	1	1	1.7× / 0.6
Other · North Atlantic Ocean	1	0.8	0	—	0.7× / 1.4
Exercises · Black Sea	1	0.6	1	0	0.5× / 2.2
Surveys · South Atlantic Ocean	1	0.6	0	—	0.3× / 3.8
Surveys · Yellow Sea	1	0.6	1	0	5.0× / 0.2
Exercises · Arabian Sea	1	0.5	1	0	0.3× / 3.6
Derelicts · Bay of Bengal	1	0.5	1	0	2.5× / 0.4
Derelicts · South Atlantic Ocean	1	0.5	0	—	1.3× / 0.8
Nav aids · Bristol Channel	1	0.3	0	—	2.5× / 0.4
Incidents · Banda Sea	1	0.2	0	—	new / 0
Incidents · Eastern China Sea	1	0.2	0	—	2.5× / 0.4
Incidents · Great Australian Bight	1	0.1	0	—	1.0× / 1
Nav aids · Arabian Sea	0	196.7	6	202	0.0× / 0.4
Surveys · Baffin Baylong running	0	155	5	487	0.0× / 0.4
Other · Persian Gulflong running	0	111.5	3	727	0.0× / 0.2
Surveys · Beaufort Sealong running	0	93	3	389	0.0× / 0.6
War risk · Persian Gulflong running	0	93	3	1,095	— / 0
Surveys · Arctic Oceanlong running	0	62	2	389	0.0× / 0.2
Other · Coral Sea	0	62	2	220	0.0× / 0.8
Nav aids · Indian Ocean	0	62	2	132	0.0× / 1.4
Nav aids · Mozambique Channel	0	62	2	272	0.0× / 0.2
Nav aids · Red Sea	0	62	2	182	0.0× / 0.2
Incidents · South China Sea	0	62	2	39	0.0× / 3.6
Wrecks · South China Sea	0	62	2	156	0.0× / 0.2
Other · Tasman Sea	0	62	2	236	— / 0
Wrecks · Yellow Sea	0	62	2	229	0.0× / 0.2
Exercises · Yellow Sea	0	61.2	0	—	— / 0
Nav aids · Gulf of Suez	0	54.3	1	219	— / 0
Nav aids · Mediterranean Sea - Western Basin	0	50.9	1	41	0.0× / 1.8
Incidents · Gulf of Guinea	0	35.8	1	110	0.0× / 0.2
Structures · Adriatic Sea	0	31	1	136	— / 0
Other · Arabian Sea	0	31	1	48	— / 0
Nav aids · Arafura Sea	0	31	1	140	— / 0
Debris · Arctic Ocean	0	31	1	41	— / 0
Surveys · Balearic (Iberian Sea)long running	0	31	1	557	— / 0
Nav aids · Bass Strait	0	31	1	205	0.0× / 1.4
Wrecks · Bass Strait	0	31	1	276	— / 0
Surveys · Bay of Bengal	0	31	1	90	0.0× / 0.2
Wrecks · Bay of Bengal	0	31	1	250	— / 0
Cable ops · Black Sea	0	31	1	42	0.0× / 0.2
Nav aids · Caribbean Sea	0	31	1	45	0.0× / 0.4
Incidents · Caribbean Sea	0	31	1	33	— / 0
Surveys · Greenland Sealong running	0	31	1	705	— / 0
Wrecks · Gulf of Mexico	0	31	1	126	— / 0
Ordnance · Gulf of Oman	0	31	1	216	0.0× / 0.2
Wrecks · Indian Ocean	0	31	1	56	— / 0
Nav aids · Ionian Sealong running	0	31	1	434	0.0× / 0.6
Wrecks · Laccadive Sea	0	31	1	202	— / 0
Nav aids · Malacca Strait	0	31	1	175	— / 0
Nav aids · Mediterranean Sea - Eastern Basin	0	31	1	164	0.0× / 1
Debris · North Pacific Ocean	0	31	1	229	0.0× / 0.2
Structures · Persian Gulf	0	31	1	105	0.0× / 0.2
Nav aids · Philippine Sea	0	31	1	185	— / 0
Wrecks · Singapore Strait	0	31	1	252	— / 0
Nav aids · South China Sealong running	0	31	1	593	0.0× / 0.4
Wrecks · South Pacific Ocean	0	31	1	246	0.0× / 0.2
Towing · Sulu Sea	0	31	1	37	— / 0
Ordnance · Tasman Sea	0	31	1	39	— / 0
Exercises · Malacca Strait	0	30.7	0	—	0.0× / 0.6
Exercises · Japan Sea	0	30.6	0	—	0.0× / 0.4
Cable ops · Gulf of Guinea	0	25	0	—	0.0× / 0.4
Surveys · North Pacific Ocean	0	25	0	—	0.0× / 0.2
Other · Timor Sea	0	24.9	0	—	— / 0
Surveys · Gulf of Mexico	0	21	0	—	0.0× / 0.2
Cable ops · South China Sea	0	20.4	0	—	0.0× / 1
Nav aids · Bismarck Sea	0	18.5	0	—	— / 0
Restricted · North Pacific Ocean	0	18.5	0	—	— / 0
Other · Black Sea	0	18.4	0	—	— / 0
Cable ops · Irish Sea and St. George's Channel	0	18.4	0	—	0.0× / 1.2
Cable ops · Adriatic Sea	0	17.4	0	—	— / 0
Surveys · Ionian Sea	0	16.8	0	—	0.0× / 0.2
Nav aids · Gulf of Aqaba	0	14.5	0	—	— / 0
Cable ops · Arafura Sea	0	10	0	—	— / 0
Exercises · Gulf of Oman	0	10	0	—	— / 0
Surveys · Gulf of Oman	0	9.8	0	—	— / 0
Other · Adriatic Sea	0	4.8	0	—	0.0× / 0.2
Incidents · Adriatic Sea	0	4.8	0	—	0.0× / 1.8
Incidents · Arafura Sea	0	4.8	0	—	0.0× / 0.6
Incidents · Ligurian Sea	0	4.8	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2005-01, 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.