Sea Ledger, September 2006

2006-09-01 to 2006-09-30 · archive

issued: 316
warning-days in force: 11,176
in force at month end: 369
sea × type cells: 215

baseline: same month, previous 5 years (2005-09, 2004-09, 2003-09, 2002-09, 2001-09)

By type

type	issued	warning-days	in force at end
Exercises	98	979.5	30
Incidents	48	1,192.8	38
Nav aids	43	3,579.5	121
Cable ops	42	864	33
Quakes	31	84.5	10
Other	11	741	23
Surveys	10	1,119.6	37
Spills	10	164	4
Derelicts	7	44.3	0
Wrecks	5	1,605.2	48
Missiles	5	60	2
Icebergs	5	26.9	2
Restricted	1	273.5	8
Ordnance	0	51.7	1
Structures	0	229.8	7
Towing	0	10	0
Piracy	0	60	2
Debris	0	60	2
Volcanic	0	30	1

By sea and type · 200 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Ocean	16	116.1	4	114	1.0× / 16
Exercises · Black Sea	15	95.2	1	33	1.7× / 8.8
Exercises · South Pacific Oceansurge	14	21	1	28	6.4× / 2.2
Exercises · Laccadive Sea	10	60.6	3	33	1.3× / 8
Incidents · Philippine Sea	8	141.3	4	71	1.1× / 7
Exercises · North Atlantic Ocean	8	66.5	1	54	0.8× / 9.6
Quakes · South Pacific Ocean	8	22.1	3	29	0.7× / 11.6
Incidents · South Pacific Ocean	7	281.4	9	69	1.4× / 5
Incidents · North Pacific Ocean	7	202.7	2	71	0.8× / 8.4
Exercises · Aegean Seasurge	6	278.4	10	277	2.1× / 2.8
Cable ops · Mediterranean Sea - Eastern Basinsurge	6	144.7	7	60	3.8× / 1.6
Exercises · South Atlantic Ocean	6	34.8	1	31	1.3× / 4.6
Quakes · North Pacific Ocean	6	9.7	4	29	1.0× / 6
Cable ops · South China Sea	5	175.4	8	56	1.9× / 2.6
Exercises · Yellow Seasurge	5	91.1	2	36	4.2× / 1.2
Nav aids · Irish Sea and St. George's Channel	5	81.8	3	205	1.7× / 3
Spills · North Atlantic Oceansurge	5	76	1	33	5.0× / 1
Missiles · North Pacific Ocean	5	60	2	34	1.1× / 4.6
Exercises · North Pacific Ocean	5	56.1	2	32	0.6× / 7.8
Exercises · Bay of Bengal	5	13.7	1	31	1.2× / 4.2
Nav aids · Celtic Sea	4	88.9	3	296	1.3× / 3.2
Nav aids · Great Australian Bightsurge	4	59.1	2	100	20× / 0.2
Spills · Gulf of Mexico	4	51	3	20	0.8× / 5
Nav aids · North Atlantic Ocean	4	45.1	2	256	1.1× / 3.6
Icebergs · South Atlantic Ocean	4	26.1	1	35	1.8× / 2.2
Exercises · Arabian Sea	4	10	1	27	1.2× / 3.4
Nav aids · Coral Sealong running	3	145.6	6	818	1.9× / 1.6
Wrecks · North Seasurgelong running	3	108.6	4	656	15× / 0.2
Exercises · Japan Sea	3	80.6	2	35	1.1× / 2.8
Incidents · Tasman Sea	3	75.1	2	55	1.5× / 2
Nav aids · South Atlantic Ocean	3	67.6	1	92	0.9× / 3.2
Other · Mediterranean Sea - Eastern Basinsurge	3	59.6	2	58	3.0× / 1
Nav aids · North Sea	3	53.3	0	—	0.7× / 4.2
Incidents · Laccadive Seanew	3	39.3	2	21	new / 0
Incidents · Indian Ocean	3	36.5	0	—	0.6× / 5
Exercises · Mediterranean Sea - Western Basinsurge	3	33.2	2	29	2.1× / 1.4
Nav aids · Bass Straitsurge	3	31	2	21	15× / 0.2
Derelicts · Mediterranean Sea - Eastern Basinsurge	3	19.7	0	—	3.0× / 1
Cable ops · Labrador Seasurge	3	18.7	1	24	7.5× / 0.4
Cable ops · North Seasurge	3	17.6	0	—	3.8× / 0.8
Cable ops · Arabian Seasurge	3	16.7	1	16	3.0× / 1
Exercises · Philippine Seasurge	3	11	0	—	5.0× / 0.6
Other · South Atlantic Oceansurge	3	9.4	1	28	7.5× / 0.4
Nav aids · South Pacific Ocean	2	431.7	15	268	0.9× / 2.2
Nav aids · Inner Seas off the West Coast of Scotland	2	109.1	3	208	2.5× / 0.8
Incidents · North Atlantic Ocean	2	96.2	5	45	0.5× / 3.8
Cable ops · Persian Gulf	2	86.9	3	86	1.4× / 1.4
Nav aids · Mediterranean Sea - Western Basin	2	79.7	4	162	1.7× / 1.2
Nav aids · Tyrrhenian Sealong running	2	79.1	3	681	0.7× / 2.8
Surveys · Celtic Sea	2	67.7	2	59	1.7× / 1.2
Surveys · North Atlantic Ocean	2	62.8	2	178	0.9× / 2.2
Incidents · South Atlantic Ocean	2	48.1	2	44	0.5× / 4
Surveys · Bay of Bengalnew	2	45.7	2	220	new / 0
Exercises · Sea of Okhotsk	2	27.6	0	—	2.0× / 1
Incidents · Coral Sea	2	22.1	1	21	0.7× / 2.8
Cable ops · Java Seanew	2	21	0	—	new / 0
Incidents · South China Sea	2	19.6	2	60	0.5× / 4
Exercises · Norwegian Seanew	2	14.7	0	—	new / 0
Derelicts · North Atlantic Ocean	2	12.2	0	—	1.7× / 1.2
Exercises · Tyrrhenian Sea	2	9.5	1	9	0.6× / 3.2
Quakes · Indian Ocean	2	7.7	0	—	0.7× / 2.8
Quakes · Philippine Sea	2	6	0	—	0.6× / 3.2
Quakes · Solomon Sea	2	6	0	—	0.6× / 3.4
Quakes · Caribbean Sea	2	2.7	2	1	5.0× / 0.4
Incidents · Mozambique Channel	2	2.6	0	—	3.3× / 0.6
Incidents · Gulf of Guinea	2	2	0	—	10× / 0.2
Nav aids · Arabian Sealong running	1	274.7	9	773	2.5× / 0.4
Nav aids · Indian Ocean	1	208.9	7	138	0.5× / 2
Nav aids · Caribbean Sealong running	1	160.3	6	474	new / 0
Nav aids · Gulf of Mexicolong running	1	93.2	3	537	0.8× / 1.2
Nav aids · Tasman Sealong running	1	91.5	3	769	1.7× / 0.6
Other · South China Sea	1	90	3	108	new / 0
Wrecks · Persian Gulf	1	85.7	3	265	5.0× / 0.2
Other · North Sea	1	74.3	2	148	1.7× / 0.6
Wrecks · South Pacific Oceanlong running	1	65	2	853	new / 0
Surveys · Persian Gulf	1	58.7	2	151	new / 0
Cable ops · Sea of Okhotsk	1	57.5	2	43	5.0× / 0.2
Nav aids · Arafura Sea	1	49.1	2	54	1.3× / 0.8
Surveys · South Atlantic Ocean	1	33.9	1	56	0.6× / 1.6
Surveys · Philippine Sea	1	32.4	2	154	0.5× / 2
Restricted · North Atlantic Ocean	1	27.7	0	—	new / 0
Other · Mozambique Channel	1	26.2	0	—	new / 0
Incidents · Tyrrhenian Sea	1	25.5	1	67	5.0× / 0.2
Incidents · Celtic Sea	1	19.5	1	19	new / 0
Spills · Gulf of St. Lawrence	1	14	0	—	new / 0
Incidents · Yellow Sea	1	11.2	1	11	new / 0
Exercises · Indian Ocean	1	6.4	0	—	0.4× / 2.4
Derelicts · Laccadive Sea	1	6.4	0	—	new / 0
Incidents · Bay of Bengal	1	6	1	5	0.6× / 1.6
Quakes · Molukka Sea	1	5.8	0	—	5.0× / 0.2
Cable ops · Black Sea	1	3.7	1	3	1.7× / 0.6
Incidents · Bay of Biscay	1	3.1	1	3	new / 0
Exercises · Mediterranean Sea - Eastern Basin	1	3.1	0	—	0.5× / 2
Quakes · Banda Sea	1	3	0	—	2.5× / 0.4
Quakes · Bering Sea	1	3	0	—	new / 0
Quakes · Flores Sea	1	3	0	—	new / 0
Quakes · Gulf of Mexico	1	3	0	—	new / 0
Quakes · Japan Sea	1	3	0	—	new / 0
Quakes · Mozambique Channel	1	3	0	—	new / 0
Exercises · South China Sea	1	3	0	—	5.0× / 0.2
Quakes · Southern Ocean	1	3	0	—	2.5× / 0.4
Exercises · Bay of Biscay	1	1.9	0	—	new / 0
Surveys · English Channel	1	1.7	0	—	0.8× / 1.2
Exercises · Caribbean Sea	1	1.1	0	—	new / 0
Derelicts · South Atlantic Ocean	1	1	0	—	0.5× / 2.2
Icebergs · South Pacific Ocean	1	0.8	1	0	new / 0
Quakes · North Atlantic Ocean	1	0.5	1	0	1.0× / 1
Other · Philippine Sea	1	0.4	0	—	5.0× / 0.2
Other · North Atlantic Ocean	1	0.2	0	—	0.6× / 1.8
Nav aids · Bay of Bengallong running	0	420	14	584	0.0× / 0.6
Wrecks · Arabian Sealong running	0	210.7	6	760	— / 0
Nav aids · Bering Sea	0	210	7	73	— / 0
Wrecks · Mediterranean Sea - Eastern Basinlong running	0	180	6	824	0.0× / 0.2
Wrecks · South China Sealong running	0	169.8	5	763	0.0× / 0.6
Surveys · Baffin Baylong running	0	150	5	1,094	— / 0
Nav aids · North Pacific Oceanlong running	0	150	5	770	0.0× / 0.2
Surveys · Beaufort Sealong running	0	120	4	996	— / 0
Nav aids · Laccadive Sea	0	120	4	277	0.0× / 1
Nav aids · Mozambique Channellong running	0	120	4	536	0.0× / 0.4
Other · Persian Gulf	0	120	4	353	0.0× / 0.8
Structures · North Sea	0	109.8	3	117	— / 0
Nav aids · Andaman or Burma Sea	0	90	3	332	0.0× / 0.4
Surveys · Arctic Oceanlong running	0	90	3	996	— / 0
Wrecks · Yellow Sealong running	0	79.8	2	836	— / 0
Other · Sea of Okhotsk	0	66.8	2	141	— / 0
Cable ops · Tasman Sea	0	66.8	2	244	0.0× / 0.2
Incidents · Andaman or Burma Sea	0	60	2	40	— / 0
Other · Arabian Sea	0	60	2	227	— / 0
Surveys · Arabian Sealong running	0	60	2	560	— / 0
Wrecks · Bay of Bengal	0	60	2	120	— / 0
Wrecks · Caribbean Sealong running	0	60	2	619	— / 0
Wrecks · Coral Sea	0	60	2	248	— / 0
Other · Eastern China Sea	0	60	2	187	— / 0
Exercises · Ionian Sea	0	60	2	277	0.0× / 2.4
Surveys · Laptev Sea	0	60	2	130	— / 0
Nav aids · Mediterranean Sea - Eastern Basinlong running	0	60	2	771	0.0× / 0.8
Piracy · Persian Gulflong running	0	60	2	599	— / 0
Structures · Persian Gulflong running	0	60	2	712	— / 0
Other · South Pacific Ocean	0	60	2	96	0.0× / 0.2
Surveys · South Pacific Ocean	0	60	2	166	— / 0
Wrecks · Tasman Sea	0	60	2	134	— / 0
Wrecks · Tyrrhenian Sea	0	60	2	193	— / 0
Nav aids · English Channel	0	49.8	1	349	0.0× / 1.6
Wrecks · Irish Sea and St. George's Channellong running	0	49.8	1	751	0.0× / 0.4
Wrecks · North Atlantic Ocean	0	49.8	1	261	0.0× / 0.2
Surveys · North Sea	0	41.7	1	145	0.0× / 1.4
Surveys · North Pacific Oceanlong running	0	33	1	425	0.0× / 1
Wrecks · Andaman or Burma Sea	0	30	1	358	— / 0
Ordnance · Arabian Sea	0	30	1	266	— / 0
Debris · Arctic Oceanlong running	0	30	1	648	— / 0
Restricted · Bay of Bengal	0	30	1	165	— / 0
Surveys · Chukchi Sealong running	0	30	1	529	— / 0
Cable ops · Eastern China Sea	0	30	1	78	0.0× / 1
Wrecks · Eastern China Sea	0	30	1	103	— / 0
Surveys · Greenland Sealong running	0	30	1	1,312	— / 0
Cable ops · Gulf of Mexico	0	30	1	95	0.0× / 0.2
Other · Gulf of Mexico	0	30	1	313	0.0× / 0.2
Other · Gulf of Suez	0	30	1	211	— / 0
Surveys · Gulf of Suez	0	30	1	74	0.0× / 0.2
Cable ops · Gulf of Thailand	0	30	1	99	— / 0
Other · Indian Ocean	0	30	1	191	0.0× / 0.2
Restricted · Indian Oceanlong running	0	30	1	524	0.0× / 0.4
Wrecks · Indian Oceanlong running	0	30	1	663	— / 0
Nav aids · Ionian Sea	0	30	1	156	0.0× / 0.6
Nav aids · Malacca Straitlong running	0	30	1	366	0.0× / 0.2
Wrecks · Malacca Strait	0	30	1	186	— / 0
Restricted · Mediterranean Sea - Eastern Basin	0	30	1	116	— / 0
Incidents · Mediterranean Sea - Eastern Basin	0	30	1	42	0.0× / 1.6
Structures · Mediterranean Sea - Eastern Basin	0	30	1	100	0.0× / 0.2
Restricted · Mediterranean Sea - Western Basin	0	30	1	173	— / 0
Debris · North Pacific Ocean	0	30	1	32	0.0× / 0.8
Restricted · North Pacific Ocean	0	30	1	131	— / 0
Volcanic · North Pacific Ocean	0	30	1	266	— / 0
Restricted · North Sea	0	30	1	54	— / 0
Nav aids · Persian Gulf	0	30	1	42	0.0× / 0.4
Wrecks · Philippine Sea	0	30	1	173	— / 0
Nav aids · Red Sealong running	0	30	1	789	0.0× / 0.4
Wrecks · Red Sea	0	30	1	101	— / 0
Surveys · Sea of Marmara	0	30	1	113	— / 0
Nav aids · Sea of Okhotsk	0	30	1	102	0.0× / 0.4
Incidents · Sea of Okhotsk	0	30	1	36	0.0× / 0.2
Surveys · Sea of Okhotsk	0	30	1	30	0.0× / 0.2
Wrecks · Singapore Straitlong running	0	30	1	859	— / 0
Wrecks · South Atlantic Oceanlong running	0	30	1	566	— / 0
Structures · South China Sea	0	30	1	94	— / 0
Surveys · South China Sea	0	30	1	46	0.0× / 0.2
Cable ops · South Pacific Ocean	0	30	1	196	— / 0
Nav aids · Southern Ocean	0	30	1	200	0.0× / 0.2
Restricted · Strait of Gibraltar	0	30	1	58	— / 0
Nav aids · Sulu Sea	0	30	1	108	— / 0
Restricted · Tasman Sea	0	30	1	135	— / 0
Other · North Pacific Ocean	0	24.1	0	—	0.0× / 0.2
Incidents · Arabian Sea	0	20.2	0	—	0.0× / 1.2
Wrecks · English Channel	0	19.8	0	—	0.0× / 1
Wrecks · Mozambique Channel	0	19.8	0	—	— / 0
Wrecks · North Pacific Ocean	0	19.8	0	—	— / 0
Ordnance · North Sea	0	19.8	0	—	0.0× / 0.8
Surveys · Yellow Sea	0	15	0	—	0.0× / 0.2
Spills · North Pacific Ocean	0	11	0	—	0.0× / 1
Towing · Sea of Okhotsk	0	10	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2006-09, 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.