Sea Ledger, June 2006

2006-06-01 to 2006-06-30 · archive

issued: 316
warning-days in force: 11,157
in force at month end: 367
sea × type cells: 238

baseline: same month, previous 5 years (2005-06, 2004-06, 2003-06, 2002-06, 2001-06)

By type

type	issued	warning-days	in force at end
Exercises	64	1,029.6	27
Incidents	54	1,190.6	45
Nav aids	45	3,355	115
Cable ops	40	823.7	26
Quakes	27	80.2	2
Derelicts	21	139.7	6
Other	15	713.4	24
Surveys	14	1,171.9	35
Wrecks	7	1,602.1	52
Missiles	6	82.3	2
Structures	5	205.9	10
Containers	5	32.6	1
Spills	4	41.5	2
Icebergs	4	25.4	1
Restricted	3	259.4	7
Ordnance	1	154.1	4
Piracy	1	60.3	2
Volcanic	0	120	4
Mines	0	9	0
Debris	0	60	2

By sea and type · 200 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Incidents · North Pacific Oceansurge	17	242.9	11	72	2.5× / 6.8
Cable ops · South Atlantic Ocean	12	71.4	4	30	0.6× / 19.6
Exercises · Laccadive Sea	10	63.7	2	35	1.5× / 6.6
Exercises · Bay of Bengalsurge	10	36.4	1	41	2.6× / 3.8
Derelicts · Mediterranean Sea - Eastern Basinsurge	9	72.4	5	58	3.8× / 2.4
Exercises · Aegean Seasurge	6	265.2	9	185	2.3× / 2.6
Nav aids · South Pacific Oceansurge	6	248.9	10	176	6.0× / 1
Incidents · Philippine Sea	6	140.1	6	75	1.4× / 4.2
Incidents · South Atlantic Ocean	6	89.9	4	100	1.3× / 4.8
Exercises · North Pacific Ocean	6	84.9	1	34	0.8× / 7.2
Missiles · North Pacific Ocean	6	82.3	2	33	1.2× / 5
Quakes · South Pacific Ocean	6	19.1	0	—	0.5× / 11.2
Derelicts · North Pacific Oceansurge	6	3.5	0	—	7.5× / 0.8
Incidents · South Pacific Ocean	5	169.4	3	75	0.7× / 6.8
Nav aids · Inner Seas off the West Coast of Scotland	5	165.7	6	318	1.3× / 4
Exercises · North Atlantic Ocean	5	117.7	2	49	0.5× / 10.2
Cable ops · Celtic Sea	5	16.7	0	—	1.0× / 5
Incidents · North Atlantic Ocean	4	125	5	79	0.9× / 4.6
Exercises · Japan Seasurge	4	80.8	2	34	2.5× / 1.6
Exercises · Black Sea	4	42.7	2	29	0.5× / 7.6
Icebergs · Southern Oceansurge	4	25.4	1	31	6.7× / 0.6
Quakes · North Pacific Ocean	4	12	0	—	0.6× / 7.2
Nav aids · Bay of Bengallong running	3	408.1	15	492	1.9× / 1.6
Nav aids · Arabian Seasurgelong running	3	280.9	9	681	3.8× / 0.8
Nav aids · North Sealong running	3	263.7	8	591	0.7× / 4.4
Nav aids · English Channellong running	3	195.1	6	420	1.1× / 2.8
Incidents · Coral Sea	3	127.8	4	74	0.8× / 4
Nav aids · Indian Oceansurge	3	96.7	4	80	2.5× / 1.2
Incidents · Tasman Seasurge	3	89.6	2	68	2.5× / 1.2
Cable ops · North Atlantic Ocean	3	68.4	2	63	0.9× / 3.4
Nav aids · Coral Sealong running	3	59	2	726	1.9× / 1.6
Structures · North Seanew	3	44.8	3	25	new / 0
Cable ops · Gulf of Sueznew	3	43.6	3	24	new / 0
Exercises · Mediterranean Sea - Eastern Basin	3	25.5	0	—	0.7× / 4.4
Cable ops · North Sea	3	24	0	—	1.3× / 2.4
Incidents · South China Sea	3	21.6	3	11	1.9× / 1.6
Exercises · South Pacific Ocean	3	19.2	0	—	1.5× / 2
Nav aids · Great Australian Bightsurge	3	15.9	1	45	7.5× / 0.4
Exercises · South Atlantic Ocean	3	12.1	1	8	1.5× / 2
Quakes · Bering Seanew	3	9	0	—	new / 0
Quakes · North Atlantic Oceansurge	3	9	0	—	3.8× / 0.8
Cable ops · English Channel	3	1.6	1	9	1.3× / 2.4
Nav aids · Laccadive Sea	2	123.4	5	185	3.3× / 0.6
Nav aids · Irish Sea and St. George's Channel	2	97.4	3	113	0.7× / 2.8
Exercises · Yellow Sea	2	68.7	2	34	1.1× / 1.8
Surveys · North Sea	2	60.1	2	53	0.7× / 3
Surveys · Philippine Seanew	2	53.3	2	62	new / 0
Other · Tyrrhenian Sea	2	48.8	1	143	5.0× / 0.4
Nav aids · Celtic Sea	2	32.7	2	204	0.9× / 2.2
Surveys · Celtic Sea	2	30	1	30	0.5× / 4.4
Spills · North Atlantic Ocean	2	28	0	—	2.5× / 0.8
Other · North Atlantic Ocean	2	27.5	0	—	0.4× / 4.6
Incidents · Arabian Sea	2	25.1	1	22	0.9× / 2.2
Cable ops · Sea of Okhotsknew	2	20	2	16	new / 0
Containers · South Pacific Oceannew	2	13.7	0	—	new / 0
Derelicts · North Atlantic Ocean	2	11.8	1	16	1.4× / 1.4
Wrecks · Bristol Channelnew	2	8.8	0	—	new / 0
Quakes · Bay of Bengalnew	2	6	0	—	new / 0
Other · Mediterranean Sea - Eastern Basin	2	4.7	1	11	5.0× / 0.4
Other · Ionian Seanew	2	4.3	1	4	new / 0
Exercises · Arabian Sea	2	3.8	0	—	0.6× / 3.6
Cable ops · Bay of Bengal	1	129.1	1	203	0.7× / 1.4
Wrecks · South China Sealong running	1	122	5	671	2.5× / 0.4
Nav aids · Gulf of Mexicolong running	1	120.9	4	445	2.5× / 0.4
Nav aids · Mediterranean Sea - Western Basin	1	104.7	3	126	1.0× / 1
Nav aids · Mediterranean Sea - Eastern Basinlong running	1	100.1	3	679	new / 0
Wrecks · Caribbean Sealong running	1	97.9	3	527	new / 0
Exercises · Ionian Sea	1	94.3	3	185	1.3× / 0.8
Cable ops · Mediterranean Sea - Eastern Basin	1	85.8	2	58	0.4× / 2.8
Surveys · Mediterranean Sea - Eastern Basin	1	58	2	82	0.8× / 1.2
Nav aids · South Atlantic Oceanlong running	1	56.4	2	566	0.1× / 6.8
Other · Sea of Okhotsk	1	51.6	2	49	new / 0
Surveys · Sea of Marmara	1	49.2	1	104	new / 0
Surveys · North Atlantic Ocean	1	48.6	1	86	0.5× / 2.2
Incidents · Indian Oceanlong running	1	41.2	2	440	0.3× / 3.6
Nav aids · Ionian Sea	1	35.9	1	64	1.7× / 0.6
Other · North Pacific Ocean	1	34.2	1	170	2.5× / 0.4
Incidents · Southern Ocean	1	30.6	1	44	new / 0
Incidents · Eastern China Sea	1	29.8	1	29	5.0× / 0.2
Wrecks · Bay of Bengal	1	28.9	1	40	5.0× / 0.2
Restricted · Mediterranean Sea - Eastern Basin	1	24.5	1	24	5.0× / 0.2
Other · South Atlantic Ocean	1	22.9	0	—	0.6× / 1.6
Restricted · Strait of Gibraltar	1	22.6	1	22	new / 0
Cable ops · Red Sea	1	22	1	108	new / 0
Other · Gulf of Aden	1	18.3	1	18	new / 0
Surveys · South Atlantic Ocean	1	17.9	0	—	1.3× / 0.8
Nav aids · Sulu Sea	1	16.4	1	16	new / 0
Other · South China Sea	1	16.3	1	16	5.0× / 0.2
Wrecks · Red Sea	1	15.3	1	228	new / 0
Surveys · English Channel	1	12.9	1	12	0.6× / 1.6
Surveys · Tyrrhenian Sea	1	12.9	0	—	1.7× / 0.6
Exercises · Philippine Sea	1	12.6	1	12	0.8× / 1.2
Ordnance · Persian Gulf	1	12.1	0	—	0.8× / 1.2
Wrecks · Eastern China Sea	1	11.9	1	11	new / 0
Other · South Pacific Ocean	1	11.7	1	130	5.0× / 0.2
Nav aids · Sea of Okhotsk	1	10.6	1	10	new / 0
Spills · Gulf of Mexico	1	10	1	10	0.6× / 1.8
Surveys · Gulf of Aqaba	1	9.6	1	9	5.0× / 0.2
Cable ops · Sulu Sea	1	9.6	0	—	new / 0
Structures · Mediterranean Sea - Eastern Basin	1	8.5	1	8	new / 0
Surveys · Mediterranean Sea - Western Basin	1	8.5	0	—	1.0× / 1
Other · Sea of Marmara	1	8	1	8	new / 0
Cable ops · Gulf of Thailand	1	7.4	1	7	new / 0
Derelicts · Arafura Sea	1	6.7	0	—	2.5× / 0.4
Containers · Arabian Sea	1	6.6	0	—	2.5× / 0.4
Derelicts · Tyrrhenian Sea	1	6.5	0	—	new / 0
Derelicts · South Pacific Ocean	1	6.4	0	—	0.5× / 2.2
Containers · Tyrrhenian Sea	1	6.3	1	6	new / 0
Containers · South Atlantic Ocean	1	6	0	—	new / 0
Derelicts · Irish Sea and St. George's Channel	1	5.1	0	—	new / 0
Cable ops · Gulf of Mexico	1	3.8	1	3	5.0× / 0.2
Quakes · Indian Ocean	1	3.6	0	—	0.5× / 2
Spills · Arabian Sea	1	3.5	1	3	new / 0
Exercises · Indian Ocean	1	3.2	0	—	1.7× / 0.6
Exercises · Sea of Marmara	1	3.2	0	—	new / 0
Quakes · Celebes Sea	1	3	0	—	5.0× / 0.2
Quakes · Eastern China Sea	1	3	0	—	new / 0
Quakes · Gulf of Tomini	1	3	0	—	new / 0
Quakes · Molukka Sea	1	3	0	—	1.0× / 1
Quakes · Sea of Okhotsk	1	3	0	—	5.0× / 0.2
Quakes · Southern Ocean	1	3	0	—	5.0× / 0.2
Cable ops · Philippine Sea	1	2.7	0	—	2.5× / 0.4
Exercises · Persian Gulf	1	2.6	0	—	1.7× / 0.6
Structures · South China Sea	1	2.6	1	2	new / 0
Cable ops · Bristol Channel	1	2.1	0	—	new / 0
Quakes · Persian Gulf	1	2.1	1	2	new / 0
Restricted · English Channel	1	2	0	—	new / 0
Cable ops · Coral Sea	1	1.9	1	1	new / 0
Quakes · Solomon Sea	1	1.2	1	32	0.7× / 1.4
Incidents · Mozambique Channel	1	0.9	0	—	5.0× / 0.2
Piracy · Malacca Strait	1	0.3	0	—	new / 0
Exercises · North Sea	1	0.3	0	—	new / 0
Incidents · Celtic Sea	1	0.2	1	0	1.0× / 1
Wrecks · Arabian Sealong running	0	207.7	6	668	0.0× / 0.2
Nav aids · Caribbean Sealong running	0	184.7	6	382	0.0× / 0.2
Surveys · Baffin Baylong running	0	150	5	1,002	— / 0
Wrecks · Mediterranean Sea - Eastern Basinlong running	0	150	5	732	0.0× / 0.2
Nav aids · North Pacific Oceanlong running	0	150	5	678	0.0× / 0.4
Nav aids · Mozambique Channellong running	0	127.4	4	444	0.0× / 0.4
Wrecks · North Sealong running	0	121.5	4	616	0.0× / 1
Surveys · Beaufort Sealong running	0	120	4	904	— / 0
Nav aids · Tasman Sealong running	0	117.7	3	677	0.0× / 0.4
Ordnance · North Sealong running	0	91.4	3	378	0.0× / 0.8
Nav aids · Andaman or Burma Sea	0	90	3	240	0.0× / 0.4
Surveys · Arctic Oceanlong running	0	90	3	904	— / 0
Structures · Gulf of Mexico	0	90	3	177	— / 0
Nav aids · Gulf of Suez	0	90	3	120	0.0× / 0.6
Wrecks · Irish Sea and St. George's Channellong running	0	90	3	662	0.0× / 0.2
Other · Persian Gulf	0	90	3	261	0.0× / 1
Wrecks · South Pacific Oceanlong running	0	90	3	761	— / 0
Cable ops · Tasman Sea	0	90	3	152	0.0× / 0.4
Wrecks · Persian Gulf	0	73.5	1	173	0.0× / 0.4
Surveys · Persian Gulf	0	69.5	1	59	0.0× / 0.2
Surveys · Bay of Bengal	0	66.7	1	128	0.0× / 0.2
Other · Arabian Sea	0	60	2	135	0.0× / 0.4
Surveys · Arabian Sealong running	0	60	2	468	0.0× / 0.2
Wrecks · Coral Sea	0	60	2	156	— / 0
Other · Eastern China Sea	0	60	2	95	— / 0
Other · Gulf of Suez	0	60	2	119	0.0× / 0.2
Surveys · Laptev Sea	0	60	2	38	— / 0
Wrecks · North Atlantic Ocean	0	60	2	169	0.0× / 0.2
Cable ops · Persian Gulf	0	60	2	123	0.0× / 0.8
Piracy · Persian Gulflong running	0	60	2	507	— / 0
Structures · Persian Gulflong running	0	60	2	620	— / 0
Volcanic · Philippine Sea	0	60	2	127	0.0× / 0.2
Surveys · Sea of Okhotsk	0	60	2	44	0.0× / 0.6
Wrecks · Tasman Sea	0	60	2	42	0.0× / 0.2
Wrecks · Yellow Sealong running	0	60	2	744	0.0× / 0.2
Other · Indian Ocean	0	57.4	1	99	0.0× / 0.2
Incidents · Mediterranean Sea - Eastern Basinlong running	0	43.2	1	437	0.0× / 2.6
Cable ops · South China Sea	0	42.4	1	248	0.0× / 1.8
Nav aids · Malacca Strait	0	36	1	274	— / 0
Wrecks · Mozambique Channel	0	35.7	1	136	— / 0
Restricted · Mediterranean Sea - Western Basin	0	35.6	1	94	— / 0
Wrecks · English Channellong running	0	31.5	1	388	0.0× / 0.4
Wrecks · Andaman or Burma Sea	0	30	1	266	0.0× / 0.2
Ordnance · Arabian Sea	0	30	1	174	— / 0
Debris · Arctic Oceanlong running	0	30	1	556	— / 0
Restricted · Bay of Bengal	0	30	1	73	— / 0
Surveys · Chukchi Sealong running	0	30	1	437	— / 0
Surveys · Greenland Sealong running	0	30	1	1,220	— / 0
Other · Gulf of Mexico	0	30	1	221	0.0× / 0.2
Wrecks · Gulf of Mexico	0	30	1	276	0.0× / 0.4
Restricted · Indian Oceanlong running	0	30	1	432	0.0× / 0.2
Wrecks · Indian Oceanlong running	0	30	1	571	0.0× / 0.2
Other · Laccadive Sea	0	30	1	31	— / 0
Wrecks · Malacca Strait	0	30	1	94	0.0× / 0.4
Exercises · Mediterranean Sea - Western Basin	0	30	1	98	0.0× / 2
Other · Mozambique Channel	0	30	1	185	— / 0
Nav aids · North Atlantic Ocean	0	30	1	164	0.0× / 3.8
Debris · North Pacific Oceanlong running	0	30	1	380	0.0× / 0.4
Restricted · North Pacific Ocean	0	30	1	39	0.0× / 0.2
Surveys · North Pacific Ocean	0	30	1	333	0.0× / 0.4
Volcanic · North Pacific Ocean	0	30	1	174	— / 0
Wrecks · North Pacific Ocean	0	30	1	176	— / 0
Other · North Sea	0	30	1	56	0.0× / 1
Wrecks · Philippine Sea	0	30	1	81	— / 0
Nav aids · Red Sealong running	0	30	1	697	0.0× / 0.4
Wrecks · Singapore Straitlong running	0	30	1	767	— / 0
Wrecks · South Atlantic Oceanlong running	0	30	1	474	— / 0

Cite: seahazards.com Sea Ledger, 2006-06, 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.