Sea Ledger, March 2005

2005-03-01 to 2005-03-31 · archive

issued: 298
warning-days in force: 8,437
in force at month end: 277
sea × type cells: 191

baseline: same month, previous 5 years (2004-03, 2003-03, 2002-03, 2001-03, 2000-03)

By type

type	issued	warning-days	in force at end
Exercises	60	729.1	19
Cable ops	52	787.6	24
Incidents	46	1,433.7	47
Quakes	45	126.6	11
Nav aids	26	2,532.1	80
Surveys	13	936.7	30
Icebergs	13	59.8	5
Other	10	324.1	11
Spills	9	113	7
Missiles	6	62	2
Derelicts	5	23.3	1
Debris	4	84.8	3
Wrecks	2	976.4	29
Structures	2	62.1	2
Restricted	2	15.1	0
Mines	1	1.9	0
Containers	1	13.2	0
Ordnance	1	31.3	2
War risk	0	31	1
Piracy	0	62	2
Volcanic	0	31	1

By sea and type · 191 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Ocean	22	91.8	3	33	0.5× / 45.8
Quakes · Indian Oceansurge	20	53.1	7	33	10× / 2
Incidents · South Pacific Ocean	10	371.9	12	276	1.4× / 7
Icebergs · South Atlantic Oceansurge	10	47.4	2	35	3.1× / 3.2
Incidents · North Pacific Ocean	8	180	7	74	1.2× / 6.6
Exercises · Mediterranean Sea - Eastern Basinsurge	8	64.6	1	59	3.1× / 2.6
Quakes · South Pacific Ocean	8	21.4	3	32	0.9× / 9.2
Cable ops · Mediterranean Sea - Eastern Basinsurge	7	101.7	4	114	3.5× / 2
Incidents · North Atlantic Ocean	7	96.2	6	30	1.4× / 5
Incidents · Mediterranean Sea - Eastern Basin	6	103.7	5	74	1.7× / 3.6
Missiles · North Pacific Ocean	6	62	2	60	1.1× / 5.4
Exercises · North Pacific Ocean	6	51.4	0	—	1.1× / 5.4
Nav aids · South Atlantic Ocean	5	152.4	6	110	1.0× / 5
Spills · North Atlantic Oceansurge	5	72	4	38	2.3× / 2.2
Exercises · South Atlantic Oceansurge	5	56.3	2	29	5.0× / 1
Exercises · Laccadive Sea	5	16.7	1	35	1.0× / 4.8
Exercises · Bay of Bengal	5	13.7	0	—	1.0× / 4.8
Incidents · Philippine Sea	4	227	6	77	0.6× / 6.6
Exercises · Aegean Sea	4	123.7	4	87	1.8× / 2.2
Exercises · North Atlantic Ocean	4	80.1	2	85	0.7× / 6
Incidents · South China Sea	4	73.1	4	42	1.3× / 3
Surveys · South Atlantic Ocean	4	51	1	34	0.9× / 4.6
Cable ops · Tyrrhenian Seasurge	4	26.2	1	30	10× / 0.4
Surveys · Bay of Bengalnew	3	164.7	6	149	new / 0
Cable ops · Arabian Sea	3	90.9	2	83	1.0× / 3
Nav aids · Irish Sea and St. George's Channel	3	84.7	3	254	1.3× / 2.4
Exercises · Yellow Seanew	3	77.3	2	35	new / 0
Exercises · Japan Seasurge	3	71.2	2	35	3.0× / 1
Cable ops · Laccadive Seasurge	3	41.2	2	37	7.5× / 0.4
Cable ops · Mediterranean Sea - Western Basinsurge	3	18.9	0	—	7.5× / 0.4
Icebergs · North Atlantic Ocean	3	12.4	3	6	1.3× / 2.4
Quakes · North Pacific Ocean	3	11.6	0	—	0.6× / 5
Quakes · Banda Sea	3	9	0	—	1.4× / 2.2
Quakes · Coral Seasurge	3	9	0	—	5.0× / 0.6
Nav aids · Coral Sea	2	171.4	5	283	0.6× / 3.2
Nav aids · Mediterranean Sea - Western Basin	2	76.6	2	100	1.7× / 1.2
Nav aids · Celtic Sea	2	67.4	2	145	2.0× / 1
Surveys · Arabian Sea	2	62.3	2	56	10× / 0.2
Exercises · Tyrrhenian Sea	2	35.5	1	31	0.9× / 2.2
Nav aids · North Atlantic Ocean	2	35.1	1	346	0.6× / 3.4
Incidents · Coral Sea	2	32.6	2	69	0.5× / 3.8
Other · Bay of Bengal	2	31.5	2	29	10× / 0.2
Exercises · Mediterranean Sea - Western Basin	2	20.7	1	31	0.6× / 3.2
Cable ops · North Sea	2	19.7	0	—	0.6× / 3.2
Cable ops · South China Sea	2	16.3	1	16	1.1× / 1.8
Spills · Caribbean Seanew	2	16	2	11	new / 0
Exercises · Persian Gulf	2	10.3	0	—	3.3× / 0.6
Derelicts · Arafura Sea	2	9.7	0	—	5.0× / 0.4
Derelicts · South China Seanew	2	7.6	1	7	new / 0
Quakes · Arctic Oceannew	2	6	0	—	new / 0
Quakes · Philippine Sea	2	6	0	—	1.4× / 1.4
Other · Mediterranean Sea - Eastern Basin	2	3.8	1	16	1.7× / 1.2
Exercises · Philippine Sea	2	2.4	0	—	1.7× / 1.2
Exercises · Arabian Sea	2	0.1	0	—	0.7× / 2.8
Structures · Mediterranean Sea - Eastern Basinnew	2	0.1	0	—	new / 0
Nav aids · Bay of Bengallong running	1	272.7	8	547	2.5× / 0.4
Nav aids · English Channel	1	187.7	6	107	0.3× / 4
Nav aids · Tyrrhenian Sea	1	186.6	7	133	0.6× / 1.8
Nav aids · Arabian Sea	1	155.8	5	261	new / 0
Nav aids · Andaman or Burma Sea	1	135.4	5	274	2.5× / 0.4
Nav aids · Tasman Sea	1	118.2	4	261	0.3× / 3
Cable ops · Bay of Bengal	1	104.4	4	103	0.5× / 2.2
Wrecks · Irish Sea and St. George's Channel	1	97.6	3	206	5.0× / 0.2
Nav aids · North Sea	1	93	3	135	0.2× / 6
Incidents · Indian Ocean	1	74.3	1	83	0.2× / 5.8
Nav aids · Inner Seas off the West Coast of Scotlandlong running	1	64.4	2	605	0.3× / 3.4
Exercises · Ionian Sea	1	63.8	2	87	1.0× / 1
Nav aids · Ionian Sealong running	1	54.1	2	493	new / 0
Incidents · Tasman Sea	1	36.7	1	63	0.4× / 2.6
Debris · North Pacific Ocean	1	33.4	2	288	5.0× / 0.2
Exercises · South Pacific Ocean	1	26.3	0	—	0.6× / 1.8
Incidents · South Atlantic Ocean	1	26.2	1	72	0.2× / 6.2
Incidents · Bay of Bengal	1	25.6	1	25	2.5× / 0.4
Nav aids · Singapore Strait	1	25.6	1	25	5.0× / 0.2
Cable ops · Aegean Sea	1	24.9	0	—	1.7× / 0.6
Cable ops · Tasman Sea	1	24.4	1	24	5.0× / 0.2
Cable ops · Black Sea	1	20	1	101	2.5× / 0.4
Wrecks · South Atlantic Ocean	1	18.4	1	18	1.7× / 0.6
Other · Irish Sea and St. George's Channel	1	17.1	0	—	5.0× / 0.2
Cable ops · Java Sea	1	16.4	1	16	new / 0
Other · South Pacific Ocean	1	15.9	0	—	1.3× / 0.8
Surveys · Mediterranean Sea - Eastern Basin	1	15.1	1	63	0.5× / 2
Spills · Gulf of Mexico	1	14	0	—	0.5× / 2
Surveys · Bass Strait	1	13	1	13	5.0× / 0.2
Other · Andaman or Burma Sea	1	11.4	1	11	new / 0
Spills · North Pacific Ocean	1	11	1	11	1.7× / 0.6
Restricted · Mediterranean Sea - Eastern Basin	1	10.4	0	—	0.8× / 1.2
Cable ops · Celtic Sea	1	10.1	0	—	0.3× / 4
Surveys · Tyrrhenian Sea	1	8.5	0	—	1.7× / 0.6
Exercises · Black Sea	1	7.1	0	—	0.2× / 6.4
Debris · Philippine Sea	1	6.5	0	—	5.0× / 0.2
Debris · North Atlantic Ocean	1	6.3	0	—	1.3× / 0.8
Containers · Mediterranean Sea - Western Basin	1	6.2	0	—	new / 0
Restricted · North Atlantic Ocean	1	4.7	0	—	new / 0
Exercises · Malacca Strait	1	4.6	1	4	1.7× / 0.6
Quakes · Japan Sea	1	3	0	—	new / 0
Quakes · Molukka Sea	1	3	0	—	1.3× / 0.8
Quakes · South Atlantic Ocean	1	3	0	—	0.6× / 1.6
Exercises · Adriatic Sea	1	2.3	0	—	0.4× / 2.4
Other · South Atlantic Ocean	1	2.2	1	2	0.8× / 1.2
Mines · Black Sea	1	1.9	0	—	new / 0
Other · North Sea	1	1.8	0	—	0.8× / 1.2
Debris · Norwegian Sea	1	1.6	0	—	new / 0
Quakes · Solomon Sea	1	1.5	1	1	0.6× / 1.6
Derelicts · South Atlantic Ocean	1	1	0	—	0.4× / 2.8
Exercises · Andaman or Burma Sea	1	0.7	0	—	5.0× / 0.2
Surveys · North Sea	1	0.6	1	0	0.4× / 2.4
Incidents · Arafura Sea	1	0.4	0	—	5.0× / 0.2
Exercises · Indian Ocean	1	0.3	0	—	new / 0
Ordnance · Tyrrhenian Sea	1	0.3	1	0	1.3× / 0.8
Other · Southern Ocean	1	0.1	0	—	new / 0
Surveys · Baffin Baylong running	0	155	5	546	— / 0
Wrecks · Persian Gulf	0	155	5	162	0.0× / 0.4
Nav aids · South Pacific Ocean	0	115.6	3	199	0.0× / 1.8
Wrecks · Arabian Sea	0	96.2	2	288	— / 0
Surveys · Beaufort Sealong running	0	93	3	448	— / 0
Wrecks · Mediterranean Sea - Eastern Basin	0	92.5	2	276	0.0× / 0.2
Nav aids · North Pacific Ocean	0	90.6	2	244	0.0× / 0.6
Other · Persian Gulflong running	0	84.6	2	786	0.0× / 0.2
Nav aids · Persian Gulflong running	0	63.7	2	1,213	0.0× / 0.6
Surveys · Arctic Oceanlong running	0	62	2	448	— / 0
Other · Coral Sea	0	62	2	279	— / 0
Wrecks · North Sea	0	62	2	160	0.0× / 0.6
Piracy · Persian Gulf	0	62	2	51	— / 0
Surveys · Persian Gulf	0	62	2	80	0.0× / 0.4
Nav aids · Red Sea	0	62	2	241	0.0× / 0.2
Wrecks · South China Sea	0	62	2	215	0.0× / 0.2
Wrecks · Yellow Sea	0	62	2	288	— / 0
Incidents · Bismarck Sea	0	61.5	1	44	— / 0
Surveys · Indian Ocean	0	55.5	1	105	0.0× / 0.8
Incidents · Mozambique Channel	0	47.3	0	—	0.0× / 0.4
Nav aids · Great Australian Bight	0	34.5	1	199	0.0× / 0.6
Nav aids · Bass Strait	0	32.7	1	264	0.0× / 0.8
Nav aids · Mozambique Channel	0	32.7	1	331	0.0× / 0.8
Other · Tasman Sea	0	32.7	1	295	0.0× / 0.4
Nav aids · Mediterranean Sea - Eastern Basin	0	31.6	1	223	0.0× / 0.6
Structures · Adriatic Sea	0	31	1	195	— / 0
Surveys · Alboran Sea	0	31	1	80	— / 0
Debris · Arctic Ocean	0	31	1	100	— / 0
Surveys · Balearic (Iberian Sea)long running	0	31	1	616	— / 0
Wrecks · Bass Strait	0	31	1	335	— / 0
Wrecks · Bay of Bengal	0	31	1	309	— / 0
Nav aids · Caribbean Sea	0	31	1	104	0.0× / 0.6
Wrecks · Caribbean Sea	0	31	1	71	— / 0
Surveys · Greenland Sealong running	0	31	1	764	— / 0
Cable ops · Gulf of Mexico	0	31	1	86	— / 0
Wrecks · Gulf of Mexico	0	31	1	185	0.0× / 0.2
Ordnance · Gulf of Oman	0	31	1	275	— / 0
Cable ops · Gulf of Suez	0	31	1	62	0.0× / 0.6
Nav aids · Gulf of Suez	0	31	1	124	0.0× / 0.2
Wrecks · Indian Ocean	0	31	1	115	— / 0
Nav aids · Laccadive Sea	0	31	1	289	0.0× / 0.2
Wrecks · Laccadive Sea	0	31	1	261	— / 0
Cable ops · Makassar Strait	0	31	1	33	— / 0
Wrecks · Malacca Strait	0	31	1	174	0.0× / 0.2
Surveys · North Atlantic Ocean	0	31	1	38	0.0× / 1.2
Other · North Pacific Ocean	0	31	1	66	0.0× / 4
Wrecks · North Pacific Ocean	0	31	1	66	— / 0
Structures · Persian Gulf	0	31	1	164	— / 0
War risk · Persian Gulf	0	31	1	332	— / 0
Nav aids · Philippine Sea	0	31	1	244	— / 0
Volcanic · Philippine Sea	0	31	1	58	— / 0
Wrecks · Singapore Strait	0	31	1	311	— / 0
Nav aids · South China Sealong running	0	31	1	652	— / 0
Cable ops · South Pacific Ocean	0	31	1	33	0.0× / 2.4
Wrecks · South Pacific Ocean	0	31	1	305	— / 0
Surveys · Tasman Sea	0	31	1	65	0.0× / 1
Incidents · Gulf of Aden	0	30.5	0	—	0.0× / 0.2
Other · Arabian Sea	0	30	0	—	— / 0
Nav aids · Malacca Strait	0	27.4	0	—	— / 0
Surveys · Gulf of Suez	0	24	0	—	— / 0
Incidents · Bass Strait	0	22.6	0	—	0.0× / 0.6
Cable ops · Persian Gulf	0	22.6	0	—	0.0× / 0.8
Cable ops · Gulf of Guinea	0	22.4	0	—	0.0× / 0.2
Surveys · Yellow Sea	0	15	0	—	— / 0
Wrecks · Andaman or Burma Sea	0	11.1	0	—	— / 0
Wrecks · Japan Sea	0	9.6	0	—	— / 0
Incidents · Laccadive Sea	0	9.6	0	—	0.0× / 0.2
Incidents · Molukka Sea	0	9.6	0	—	— / 0
Debris · Caribbean Sea	0	6	0	—	— / 0
Cable ops · Bass Strait	0	5.2	0	—	0.0× / 0.6
Derelicts · North Atlantic Ocean	0	5	0	—	0.0× / 1.6
Containers · South Pacific Ocean	0	4	0	—	— / 0
Nav aids · Indian Ocean	0	3.5	0	—	0.0× / 1
Cable ops · Timor Sea	0	3.5	0	—	— / 0
Containers · North Sea	0	3	0	—	— / 0
Cable ops · Red Sea	0	3	0	—	— / 0
Incidents · Arabian Sea	0	1.7	0	—	0.0× / 1
Nav aids · Arafura Sea	0	1.7	0	—	— / 0
Incidents · Bay of Biscay	0	1.6	0	—	— / 0
Incidents · North Sea	0	1.6	0	—	0.0× / 0.8

Cite: seahazards.com Sea Ledger, 2005-03, 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.