Sea Ledger, November 2005

2005-11-01 to 2005-11-30 · archive

issued: 314
warning-days in force: 9,569
in force at month end: 330
sea × type cells: 200

baseline: same month, previous 5 years (2004-11, 2003-11, 2002-11, 2001-11, 2000-11)

By type

type	issued	warning-days	in force at end
Exercises	66	805.5	28
Incidents	55	1,412.5	39
Nav aids	51	2,839.1	100
Quakes	35	100.6	5
Cable ops	29	772.1	29
Surveys	23	980.6	33
Wrecks	10	1,330.6	49
Derelicts	8	107.9	3
Spills	8	82	4
Other	7	350.6	11
Missiles	5	62.2	2
Icebergs	5	28.8	1
Debris	4	78.1	4
Containers	2	19.3	0
Piracy	2	70.9	3
Restricted	1	124	5
Volcanic	1	71	2
Structures	1	122.4	5
Ordnance	1	210.4	7

By sea and type · 200 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Exercises · Laccadive Sea	11	62.1	1	33	1.7× / 6.6
Incidents · South China Seasurge	9	142.8	5	68	2.5× / 3.6
Incidents · North Pacific Ocean	8	64.9	1	50	0.8× / 9.8
Incidents · North Atlantic Ocean	8	47.7	3	72	1.4× / 5.6
Exercises · Bay of Bengal	8	23.7	1	28	1.8× / 4.4
Exercises · Mediterranean Sea - Eastern Basinsurge	8	19.8	2	19	2.5× / 3.2
Nav aids · English Channelsurge	7	245	8	351	2.9× / 2.4
Exercises · Aegean Seasurge	7	154.4	5	331	3.2× / 2.2
Cable ops · South Atlantic Ocean	7	27.3	2	35	0.2× / 30.6
Quakes · North Pacific Ocean	7	20.3	1	16	0.9× / 7.6
Exercises · South Atlantic Oceansurge	6	87.3	1	49	2.1× / 2.8
Quakes · South Pacific Ocean	6	16.9	2	32	0.6× / 11
Nav aids · South Atlantic Ocean	5	194.3	6	354	0.8× / 6.4
Nav aids · Inner Seas off the West Coast of Scotlandsurge	5	163	5	174	2.3× / 2.2
Nav aids · Celtic Seasurgelong running	5	101	5	389	2.5× / 2
Quakes · Indian Oceansurge	5	15.2	0	—	3.6× / 1.4
Incidents · South Pacific Oceanlong running	4	433.5	8	520	0.9× / 4.4
Nav aids · North Sealong running	4	309.1	12	379	0.7× / 5.6
Incidents · Mediterranean Sea - Eastern Basin	4	123.7	5	225	1.3× / 3
Nav aids · Irish Sea and St. George's Channelsurge	4	120.7	4	209	2.9× / 1.4
Cable ops · Mediterranean Sea - Eastern Basinsurge	4	119.7	5	174	2.0× / 2
Incidents · Philippine Sea	4	73	1	63	0.9× / 4.4
Surveys · North Atlantic Oceansurge	4	61.1	3	83	2.9× / 1.4
Missiles · North Pacific Ocean	4	60	2	58	0.7× / 5.4
Incidents · South Atlantic Ocean	4	46	2	67	0.9× / 4.2
Nav aids · North Atlantic Ocean	4	42.2	1	103	1.1× / 3.8
Exercises · South Pacific Ocean	4	18.1	0	—	1.0× / 4
Exercises · Adriatic Sea	4	16.3	2	8	1.5× / 2.6
Incidents · Indian Ocean	3	254.6	5	228	0.6× / 5.4
Exercises · Yellow Seasurge	3	86.4	3	35	7.5× / 0.4
Surveys · Black Seasurge	3	56.9	2	28	15× / 0.2
Exercises · North Pacific Ocean	3	46.4	1	34	0.5× / 6.6
Spills · Gulf of Mexico	3	38	1	40	1.0× / 3
Spills · North Pacific Oceansurge	3	31	1	24	2.5× / 1.2
Other · Gulf of Mexicosurge	3	22.1	1	84	7.5× / 0.4
Exercises · Sea of Marmarasurge	3	20.9	1	19	15× / 0.2
Surveys · South Atlantic Ocean	3	17.7	0	—	0.8× / 4
Icebergs · South Atlantic Ocean	3	16.8	1	33	1.3× / 2.4
Derelicts · Indian Oceansurge	3	11	1	26	2.1× / 1.4
Quakes · Banda Seasurge	3	9	0	—	2.5× / 1.2
Nav aids · Southern Oceansurge	3	6.2	3	2	15× / 0.2
Wrecks · North Sealong running	2	182.6	7	404	5.0× / 0.4
Nav aids · Caribbean Seanew	2	128.6	6	170	new / 0
Nav aids · Gulf of Mexico	2	120.8	3	233	10× / 0.2
Exercises · North Atlantic Ocean	2	87.7	4	329	0.2× / 11
Nav aids · Coral Sealong running	2	77.4	4	527	1.4× / 1.4
Exercises · Japan Seanew	2	67.9	2	35	new / 0
Surveys · Arabian Sea	2	66.7	3	256	10× / 0.2
Cable ops · North Sea	2	63.8	3	218	0.8× / 2.4
Cable ops · North Atlantic Ocean	2	62.7	3	131	0.8× / 2.6
Nav aids · Red Sealong running	2	61.3	2	485	10× / 0.2
Other · Mediterranean Sea - Eastern Basin	2	59	2	36	2.5× / 0.8
Cable ops · Persian Gulf	2	57	2	79	10× / 0.2
Cable ops · Black Sea	2	42.5	2	204	10× / 0.2
Wrecks · Inner Seas off the West Coast of Scotland	2	42.4	2	30	10× / 0.2
Cable ops · Celtic Sea	2	35.6	0	—	0.8× / 2.4
Incidents · Mediterranean Sea - Western Basin	2	24	2	14	10× / 0.2
Incidents · Tasman Sea	2	22.6	2	12	1.3× / 1.6
Other · Inner Seas off the West Coast of Scotland	2	16.1	1	21	10× / 0.2
Surveys · South China Seanew	2	12.9	1	25	new / 0
Incidents · Southern Ocean	2	12.1	2	11	10× / 0.2
Quakes · Bismarck Sea	2	6	0	—	0.8× / 2.4
Quakes · Persian Gulfnew	2	6	0	—	new / 0
Quakes · Solomon Sea	2	6	0	—	0.3× / 6.6
Quakes · South Atlantic Ocean	2	6	0	—	1.1× / 1.8
Quakes · Southern Ocean	2	5.9	1	8	5.0× / 0.4
Incidents · Great Australian Bight	2	1.9	0	—	3.3× / 0.6
Incidents · Celtic Sea	2	1.5	0	—	1.7× / 1.2
Ordnance · North Sea	1	180.4	6	195	new / 0
Wrecks · Arabian Sealong running	1	161.3	6	456	5.0× / 0.2
Wrecks · South China Sealong running	1	121.9	5	459	1.3× / 0.8
Wrecks · Mediterranean Sea - Eastern Basinlong running	1	116.3	4	520	5.0× / 0.2
Cable ops · South China Sea	1	81.7	2	213	1.3× / 0.8
Piracy · Persian Gulf	1	70.9	3	295	new / 0
Surveys · North Sea	1	61	1	114	0.6× / 1.6
Cable ops · Bay of Bengal	1	46.4	2	34	0.8× / 1.2
Nav aids · Mediterranean Sea - Eastern Basinlong running	1	37.3	1	467	1.7× / 0.6
Surveys · Bay of Bengallong running	1	34.4	2	393	5.0× / 0.2
Nav aids · Mediterranean Sea - Western Basin	1	33	1	344	1.7× / 0.6
Structures · Mediterranean Sea - Eastern Basin	1	32.4	2	65	new / 0
Cable ops · Irish Sea and St. George's Channel	1	32.2	2	51	0.4× / 2.4
Nav aids · Andaman or Burma Sea	1	31.3	1	322	2.5× / 0.4
Cable ops · Arabian Sea	1	30	1	37	0.4× / 2.4
Cable ops · Bass Strait	1	30	1	44	1.3× / 0.8
Surveys · Philippine Sea	1	29.6	1	44	2.5× / 0.4
Cable ops · Indian Ocean	1	29	1	29	2.5× / 0.4
Surveys · Bass Strait	1	27.3	0	—	2.5× / 0.4
Cable ops · Strait of Gibraltar	1	19	0	—	new / 0
Wrecks · Gulf of Suez	1	16.6	1	16	new / 0
Wrecks · Red Sea	1	16.6	1	16	new / 0
Incidents · Japan Sea	1	15.7	1	15	1.3× / 0.8
Derelicts · North Pacific Ocean	1	13.2	0	—	1.7× / 0.6
Wrecks · Kattegat	1	11.3	1	11	new / 0
Volcanic · North Pacific Ocean	1	11	0	—	new / 0
Spills · Caribbean Sea	1	10	1	10	new / 0
Surveys · Japan Sea	1	9.9	1	9	5.0× / 0.2
Exercises · Black Sea	1	9.8	0	—	0.4× / 2.6
Exercises · Eastern China Sea	1	7.5	1	7	new / 0
Surveys · Alboran Sea	1	7.1	0	—	5.0× / 0.2
Containers · North Atlantic Ocean	1	6.8	0	—	0.6× / 1.8
Debris · Bay of Bengal	1	6.7	0	—	new / 0
Derelicts · Tasman Sea	1	6.6	0	—	5.0× / 0.2
Containers · Bay of Biscay	1	6.5	0	—	5.0× / 0.2
Derelicts · Caribbean Sea	1	6.3	0	—	new / 0
Icebergs · Indian Ocean	1	6.1	0	—	5.0× / 0.2
Icebergs · Southern Ocean	1	5.9	0	—	0.8× / 1.2
Exercises · Arabian Sea	1	5.3	0	—	0.2× / 4.6
Nav aids · Indian Ocean	1	4.9	0	—	1.7× / 0.6
Cable ops · North Pacific Ocean	1	4.4	1	4	5.0× / 0.2
Debris · Bass Strait	1	3.9	1	3	new / 0
Quakes · Eastern China Sea	1	3	0	—	new / 0
Spills · North Atlantic Ocean	1	3	1	3	0.7× / 1.4
Quakes · Philippine Sea	1	3	0	—	0.4× / 2.4
Quakes · Sea of Okhotsk	1	3	0	—	1.7× / 0.6
Surveys · Indian Ocean	1	2.5	1	2	1.7× / 0.6
Missiles · South Pacific Ocean	1	2.2	0	—	new / 0
Surveys · Irish Sea and St. George's Channel	1	1.8	0	—	2.5× / 0.4
Exercises · Andaman or Burma Sea	1	1.6	0	—	1.3× / 0.8
Surveys · Gulf of Guinea	1	1.3	1	1	5.0× / 0.2
Derelicts · North Sea	1	1	1	1	new / 0
Nav aids · Bristol Channel	1	0.9	0	—	5.0× / 0.2
Debris · South Pacific Ocean	1	0.9	1	0	5.0× / 0.2
Restricted · Persian Gulf	1	0.5	1	0	new / 0
Quakes · Celebes Sea	1	0.3	1	0	new / 0
Derelicts · Celtic Sea	1	0.3	0	—	1.7× / 0.6
Debris · English Channel	1	0.3	0	—	5.0× / 0.2
Exercises · Malacca Strait	1	0.3	1	0	1.7× / 0.6
Nav aids · Timor Sea	1	0.2	0	—	5.0× / 0.2
Piracy · Indian Ocean	1	0	0	—	new / 0
Nav aids · South Pacific Ocean	0	210	7	70	0.0× / 2.4
Nav aids · Arabian Sealong running	0	180	6	469	0.0× / 0.6
Nav aids · Bay of Bengal	0	180	6	280	0.0× / 0.2
Nav aids · North Pacific Oceanlong running	0	180	6	466	0.0× / 0.6
Surveys · Baffin Baylong running	0	150	5	790	— / 0
Nav aids · Tyrrhenian Sealong running	0	150	5	377	0.0× / 2.2
Wrecks · English Channel	0	120	4	176	0.0× / 0.4
Surveys · Gulf of Mexico	0	111	2	64	— / 0
Surveys · Arctic Oceanlong running	0	90	3	692	— / 0
Surveys · Beaufort Sealong running	0	90	3	692	— / 0
Exercises · Ionian Sea	0	90	3	331	0.0× / 1.6
Wrecks · Irish Sea and St. George's Channellong running	0	90	3	450	— / 0
Wrecks · South Pacific Oceanlong running	0	90	3	549	— / 0
Incidents · Bay of Bengal	0	65.9	0	—	0.0× / 0.4
Wrecks · Gulf of Mexicolong running	0	61.6	2	429	— / 0
Other · Bay of Bengal	0	60	2	246	— / 0
Wrecks · Caribbean Sea	0	60	2	315	— / 0
Nav aids · Mozambique Channel	0	60	2	232	0.0× / 1
Other · North Sea	0	60	2	223	0.0× / 0.8
Wrecks · South Atlantic Ocean	0	60	2	262	— / 0
Nav aids · Tasman Sealong running	0	60	2	465	0.0× / 1.4
Wrecks · Yellow Sealong running	0	60	2	532	— / 0
Surveys · Sea of Okhotsk	0	55	1	56	0.0× / 0.2
Derelicts · South Atlantic Ocean	0	38.5	0	—	0.0× / 1.4
Cable ops · Sea of Okhotsk	0	35	1	113	— / 0
Volcanic · Andaman or Burma Sea	0	30	1	177	— / 0
Wrecks · Andaman or Burma Sea	0	30	1	54	— / 0
Other · Arabian Sea	0	30	1	163	0.0× / 0.2
Debris · Arctic Ocean	0	30	1	344	— / 0
Derelicts · Bay of Bengal	0	30	1	36	— / 0
Restricted · Black Sea	0	30	1	141	— / 0
Structures · Black Sea	0	30	1	97	— / 0
Surveys · Chukchi Sea	0	30	1	225	— / 0
Incidents · Coral Sea	0	30	1	49	0.0× / 3.8
Surveys · Greenland Sealong running	0	30	1	1,008	— / 0
Structures · Gulf of Mexico	0	30	1	35	— / 0
Ordnance · Gulf of Omanlong running	0	30	1	519	0.0× / 0.4
Incidents · Gulf of Oman	0	30	1	39	— / 0
Nav aids · Gulf of Suez	0	30	1	65	0.0× / 0.4
Cable ops · Gulf of Thailand	0	30	1	41	— / 0
Restricted · Indian Ocean	0	30	1	220	— / 0
Wrecks · Indian Ocean	0	30	1	359	— / 0
Nav aids · Ionian Sea	0	30	1	154	0.0× / 0.6
Restricted · Irish Sea and St. George's Channel	0	30	1	159	— / 0
Nav aids · Malacca Strait	0	30	1	62	— / 0
Wrecks · Malacca Straitlong running	0	30	1	418	— / 0
Restricted · North Atlantic Ocean	0	30	1	37	— / 0
Debris · North Pacific Ocean	0	30	1	168	0.0× / 0.6
Surveys · North Pacific Ocean	0	30	1	121	0.0× / 0.2
Other · Persian Gulf	0	30	1	49	0.0× / 0.4
Structures · Persian Gulflong running	0	30	1	408	— / 0
Nav aids · Philippine Sea	0	30	1	134	— / 0
Volcanic · Philippine Sea	0	30	1	133	— / 0
Wrecks · Singapore Straitlong running	0	30	1	555	— / 0
Other · Tasman Sealong running	0	30	1	386	0.0× / 0.4
Other · South Atlantic Ocean	0	29.8	0	—	0.0× / 1
Incidents · Arabian Sea	0	22.6	0	—	0.0× / 0.4
Cable ops · Philippine Sea	0	14.4	0	—	— / 0
Nav aids · Persian Gulf	0	12.8	0	—	0.0× / 1.4
Other · Norwegian Sea	0	12	0	—	— / 0
Cable ops · Malacca Strait	0	11.4	0	—	— / 0
Nav aids · South China Sea	0	7.5	0	—	— / 0
Debris · Gulf of Mexico	0	6.3	0	—	— / 0
Containers · English Channel	0	6	0	—	0.0× / 0.6
Restricted · North Sea	0	3.5	0	—	— / 0
Surveys · Celtic Sea	0	2.7	0	—	0.0× / 2.4
Surveys · English Channel	0	1.7	0	—	0.0× / 1.4
Other · Indian Ocean	0	1.6	0	—	0.0× / 1.2
Nav aids · Sea of Okhotsk	0	1.6	0	—	0.0× / 0.2
Derelicts · North Atlantic Ocean	0	1	0	—	0.0× / 5.2
Surveys · Adriatic Sea	0	0	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2005-11, 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.