Sea Ledger, January 2008

2008-01-01 to 2008-01-31 · archive

issued: 358
warning-days in force: 18,386
in force at month end: 626
sea × type cells: 253

baseline: same month, previous 5 years (2007-01, 2006-01, 2005-01, 2004-01, 2003-01)

By type

type	issued	warning-days	in force at end
Cable ops	69	1,629.5	56
Incidents	65	2,351.7	88
Nav aids	55	6,389.1	211
Exercises	44	540.7	18
Quakes	32	154.8	6
Spills	22	267	10
Surveys	14	2,130.5	74
Derelicts	13	339.2	12
Other	12	1,158.2	38
Icebergs	11	88.2	3
Missiles	5	62	2
Containers	5	22.2	3
Wrecks	4	1,947.2	63
Restricted	2	336.9	11
Debris	2	75.1	2
Volcanic	1	279	9
Piracy	1	115.5	4
Ordnance	1	206.9	7
Structures	0	292.6	9

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	34	211.9	6	47	1.7× / 20
Incidents · South Pacific Ocean	13	276.8	11	64	1.4× / 9
Nav aids · North Sealong running	10	477.7	14	469	1.1× / 9
Incidents · North Pacific Ocean	10	385.1	14	78	1.9× / 5.4
Nav aids · North Pacific Oceansurgelong running	9	564	21	925	15× / 0.6
Spills · Gulf of Mexicosurge	9	121	2	45	3.5× / 2.6
Spills · North Pacific Oceansurge	9	90	6	29	4.1× / 2.2
Quakes · North Pacific Ocean	9	28	0	—	1.3× / 7.2
Incidents · South China Seasurge	8	349.1	13	82	5.7× / 1.4
Nav aids · Inner Seas off the West Coast of Scotlandlong running	8	172.7	7	602	1.9× / 4.2
Incidents · Philippine Sea	7	174.4	6	79	1.0× / 7
Exercises · Bay of Bengal	7	94.6	3	35	1.3× / 5.6
Icebergs · Southern Ocean	7	70.3	1	32	1.8× / 3.8
Exercises · North Pacific Oceansurge	7	49.2	1	34	2.3× / 3
Quakes · South Pacific Ocean	7	22.3	0	—	0.6× / 11.8
Nav aids · Irish Sea and St. George's Channelsurgelong running	6	159.8	5	693	2.1× / 2.8
Nav aids · Celtic Seasurge	6	114.9	5	231	2.1× / 2.8
Cable ops · North Atlantic Ocean	6	95.1	3	265	1.8× / 3.4
Cable ops · Arabian Sea	5	134.1	5	127	1.8× / 2.8
Incidents · Arabian Seasurge	5	101	5	36	3.6× / 1.4
Missiles · North Pacific Ocean	5	62	2	60	0.8× / 6.4
Exercises · South Pacific Oceansurge	5	38.7	2	20	3.6× / 1.4
Cable ops · Mediterranean Sea - Eastern Basin	4	152.5	5	207	1.8× / 2.2
Spills · North Atlantic Ocean	4	56	2	41	1.3× / 3
Exercises · Aegean Sealong running	4	40.8	3	393	1.3× / 3.2
Incidents · Southern Oceansurge	4	35.2	3	24	20× / 0.2
Exercises · South Atlantic Ocean	4	22.6	0	—	1.5× / 2.6
Icebergs · South Atlantic Ocean	4	17.9	2	8	0.5× / 7.8
Containers · North Atlantic Ocean	4	15.3	3	28	1.4× / 2.8
Nav aids · Indian Oceansurgelong running	3	424.1	13	626	2.1× / 1.4
Incidents · North Atlantic Ocean	3	214.8	7	83	0.7× / 4.6
Incidents · Indian Ocean	3	175.2	7	255	0.8× / 4
Surveys · North Atlantic Oceanlong running	3	113.4	5	666	1.9× / 1.6
Other · North Seasurge	3	73	2	170	3.8× / 0.8
Incidents · Coral Sea	3	60.9	2	41	1.1× / 2.8
Cable ops · Indian Oceansurgelong running	3	55.6	3	371	7.5× / 0.4
Surveys · Mediterranean Sea - Eastern Basin	3	51.8	3	51	1.9× / 1.6
Other · Inner Seas off the West Coast of Scotland	3	40.8	1	99	1.7× / 1.8
Exercises · Laccadive Sea	3	40.6	2	35	0.2× / 13
Quakes · Bismarck Seasurge	3	9	0	—	3.8× / 0.8
Nav aids · South Pacific Oceanlong running	2	532.8	19	756	1.1× / 1.8
Nav aids · South Atlantic Oceanlong running	2	259.7	9	453	0.8× / 2.6
Wrecks · English Channelnew	2	161.8	5	238	new / 0
Nav aids · Gulf of Mexicolong running	2	156.9	5	1,025	3.3× / 0.6
Cable ops · Gulf of Mexico	2	99.4	4	86	10× / 0.2
Incidents · South Atlantic Ocean	2	92.4	3	65	0.7× / 2.8
Cable ops · Tasman Sealong running	2	81.8	3	732	3.3× / 0.6
Other · Mediterranean Sea - Eastern Basin	2	74.9	4	287	2.5× / 0.8
Derelicts · Arabian Sea	2	74.7	2	219	10× / 0.2
Exercises · Japan Sea	2	70.3	2	34	1.7× / 1.2
Exercises · Yellow Sea	2	67.4	2	34	2.0× / 1
Surveys · Gulf of Suezlong running	2	64.6	4	562	10× / 0.2
Cable ops · Gulf of Suez	2	43.4	1	100	2.5× / 0.8
Cable ops · Black Sea	2	42.8	2	59	3.3× / 0.6
Other · English Channel	2	34.5	1	212	5.0× / 0.4
Exercises · Norwegian Seanew	2	27	1	34	new / 0
Derelicts · English Channel	2	17.9	1	17	5.0× / 0.4
Exercises · Baltic Seanew	2	15.4	0	—	new / 0
Derelicts · Persian Gulfnew	2	12.8	0	—	new / 0
Derelicts · South Pacific Ocean	2	11.9	1	12	2.5× / 0.8
Surveys · South Atlantic Ocean	2	9.2	0	—	1.7× / 1.2
Quakes · Indian Ocean	2	6	0	—	0.4× / 5.4
Quakes · Molukka Sea	2	4.5	1	11	0.6× / 3.2
Quakes · Banda Sea	2	2.6	2	1	1.3× / 1.6
Surveys · Arctic Oceanlong running	1	416.5	14	1,484	5.0× / 0.2
Nav aids · Caribbean Sealong running	1	362	11	962	1.7× / 0.6
Wrecks · North Sealong running	1	265.5	9	856	1.0× / 1
Wrecks · Persian Gulflong running	1	217.9	7	551	1.3× / 0.8
Cable ops · South China Sea	1	152.3	4	326	1.3× / 0.8
Nav aids · Bass Straitlong running	1	125	5	500	1.3× / 0.8
Ordnance · North Sea	1	113.9	4	265	new / 0
Cable ops · Caribbean Sea	1	97	3	301	1.7× / 0.6
Other · South Atlantic Oceanlong running	1	97	3	488	5.0× / 0.2
Cable ops · Bay of Bengal	1	96.3	4	72	0.6× / 1.6
Nav aids · North Atlantic Oceanlong running	1	95.9	3	744	0.4× / 2.8
Volcanic · Philippine Sealong running	1	93	3	484	1.3× / 0.8
Restricted · North Sea	1	86.5	3	147	new / 0
Nav aids · English Channellong running	1	80.4	2	837	0.2× / 4.2
Surveys · Arabian Sealong running	1	69.3	3	751	1.7× / 0.6
Nav aids · Mediterranean Sea - Western Basin	1	54.3	2	57	1.3× / 0.8
Piracy · Persian Gulflong running	1	53.5	2	1,087	new / 0
Incidents · Tasman Sea	1	46.3	1	76	0.4× / 2.4
Restricted · Alboran Sea	1	33.4	1	185	2.5× / 0.4
Cable ops · Andaman or Burma Sea	1	31.5	2	86	new / 0
Incidents · Gulf of Aden	1	29.7	1	29	new / 0
Derelicts · Tasman Sea	1	27.7	1	27	1.7× / 0.6
Surveys · Gulf of Guinea	1	21.3	1	21	1.7× / 0.6
Cable ops · Aegean Sea	1	20.6	0	—	5.0× / 0.2
Incidents · Mediterranean Sea - Eastern Basin	1	20.1	1	20	0.3× / 3
Derelicts · Celtic Sea	1	17.9	1	17	new / 0
Exercises · Red Sea	1	16.5	1	16	5.0× / 0.2
Cable ops · Philippine Sea	1	13.3	0	—	5.0× / 0.2
Exercises · Arabian Sea	1	8.5	0	—	0.2× / 4.2
Incidents · Ionian Sea	1	8.1	1	8	0.8× / 1.2
Exercises · Andaman or Burma Sea	1	7.7	0	—	2.5× / 0.4
Cable ops · Gulf of Aden	1	7.5	1	7	5.0× / 0.2
Incidents · Gulf of Mexico	1	7	0	—	new / 0
Containers · Rio de La Plata	1	6.9	0	—	new / 0
Debris · South Atlantic Ocean	1	6.7	0	—	new / 0
Debris · Indian Ocean	1	6.4	0	—	new / 0
Derelicts · North Atlantic Ocean	1	6.3	0	—	0.6× / 1.8
Exercises · North Atlantic Ocean	1	5.4	0	—	0.1× / 8
Derelicts · Mediterranean Sea - Eastern Basin	1	5	1	34	1.7× / 0.6
Cable ops · Irish Sea and St. George's Channel	1	4.4	1	4	2.5× / 0.4
Exercises · Black Sea	1	4.2	0	—	0.4× / 2.4
Nav aids · Bristol Channel	1	3.9	0	—	2.5× / 0.4
Incidents · Eastern China Sea	1	3.6	1	3	2.5× / 0.4
Quakes · Aegean Sea	1	3	0	—	2.5× / 0.4
Quakes · Andaman or Burma Sea	1	3	0	—	0.3× / 3.6
Quakes · Ceram Sea	1	3	0	—	new / 0
Quakes · Philippine Sea	1	3	0	—	0.7× / 1.4
Quakes · Southern Ocean	1	3	0	—	1.3× / 0.8
Quakes · Tasman Sea	1	3	0	—	new / 0
Exercises · Caribbean Sea	1	2.4	1	2	new / 0
Quakes · South Atlantic Ocean	1	2.4	1	2	0.5× / 2.2
Cable ops · Great Australian Bight	1	1.8	1	1	5.0× / 0.2
Nav aids · The Coastal Waters of Southeast Alaska and British Columbia	1	1.4	0	—	new / 0
Other · North Pacific Ocean	1	1	0	—	1.0× / 1
Surveys · English Channel	1	0.2	0	—	1.7× / 0.6
Incidents · Arafura Sea	1	0	0	—	1.7× / 0.6
Derelicts · Bay of Biscay	1	0	0	—	new / 0
Surveys · Beaufort Sealong running	0	713	23	1,484	0.0× / 0.6
Nav aids · Coral Sealong running	0	558	18	1,306	0.0× / 1.8
Nav aids · Arabian Sealong running	0	403	13	752	0.0× / 1.4
Nav aids · Bay of Bengallong running	0	248	8	962	0.0× / 1.4
Wrecks · Mediterranean Sea - Eastern Basinlong running	0	217	7	1,312	0.0× / 1
Nav aids · Mozambique Channellong running	0	217	7	1,024	— / 0
Nav aids · Tasman Sealong running	0	186	6	719	0.0× / 1.4
Surveys · Baffin Baylong running	0	155	5	1,582	0.0× / 0.4
Nav aids · Laccadive Sealong running	0	155	5	755	0.0× / 0.8
Structures · Mediterranean Sea - Eastern Basinlong running	0	155	5	588	0.0× / 0.4
Nav aids · Persian Gulflong running	0	155	5	530	0.0× / 1.2
Nav aids · Arafura Sealong running	0	124	4	542	0.0× / 0.2
Nav aids · Bering Sealong running	0	124	4	561	— / 0
Nav aids · Great Australian Bightlong running	0	124	4	514	0.0× / 0.6
Nav aids · Gulf of California	0	124	4	61	— / 0
Wrecks · South China Sealong running	0	124	4	1,197	0.0× / 0.2
Wrecks · Arabian Sealong running	0	93	3	649	0.0× / 0.2
Surveys · Laptev Sealong running	0	93	3	618	— / 0
Other · Persian Gulflong running	0	93	3	724	— / 0
Nav aids · Andaman or Burma Sealong running	0	62	2	820	0.0× / 0.6
Other · Arabian Sealong running	0	62	2	715	0.0× / 0.2
Quakes · Bay of Bengallong running	0	62	2	416	0.0× / 2
Other · Bay of Bengallong running	0	62	2	458	0.0× / 0.2
Wrecks · Bay of Bengallong running	0	62	2	608	— / 0
Wrecks · Coral Sealong running	0	62	2	736	0.0× / 0.2
Piracy · Gulf of Aden	0	62	2	94	— / 0
Nav aids · Gulf of Suezlong running	0	62	2	413	— / 0
Other · Indian Oceanlong running	0	62	2	679	0.0× / 0.2
Wrecks · Indian Oceanlong running	0	62	2	1,151	— / 0
Incidents · Mozambique Channel	0	62	2	81	0.0× / 0.8
Cable ops · North Pacific Ocean	0	62	2	66	— / 0
Structures · North Sealong running	0	62	2	528	— / 0
Wrecks · Philippine Sealong running	0	62	2	661	— / 0
Wrecks · South Atlantic Oceanlong running	0	62	2	1,054	— / 0
Other · South China Sealong running	0	62	2	596	0.0× / 0.2
Other · South Pacific Oceanlong running	0	62	2	567	0.0× / 0.2
Volcanic · South Pacific Ocean	0	62	2	362	— / 0
Wrecks · South Pacific Oceanlong running	0	62	2	503	— / 0
Wrecks · Southern Oceanlong running	0	62	2	406	— / 0
Wrecks · Tasman Sealong running	0	62	2	622	— / 0
Surveys · The Northwestern Passageslong running	0	62	2	467	— / 0
Ordnance · Tyrrhenian Sealong running	0	62	2	441	— / 0
Wrecks · Tyrrhenian Sealong running	0	62	2	681	— / 0
Cable ops · Gulf of Guinea	0	40.2	0	—	0.0× / 0.4
Derelicts · South China Sea	0	35	1	67	— / 0
Surveys · North Sealong running	0	32.6	1	633	— / 0
Incidents · Adriatic Sea	0	31	1	40	0.0× / 0.6
Debris · Aegean Sea	0	31	1	55	— / 0
Derelicts · Andaman or Burma Sea	0	31	1	36	— / 0
Other · Andaman or Burma Sea	0	31	1	119	— / 0
Incidents · Andaman or Burma Sea	0	31	1	49	— / 0
Other · Arafura Sea	0	31	1	39	0.0× / 0.2
Debris · Arctic Oceanlong running	0	31	1	1,136	— / 0
Other · Arctic Ocean	0	31	1	149	— / 0
Nav aids · Baltic Sea	0	31	1	227	— / 0
Volcanic · Banda Sea	0	31	1	304	— / 0
Other · Bass Strait	0	31	1	74	— / 0
Incidents · Bass Strait	0	31	1	59	0.0× / 0.2
Derelicts · Bay of Bengal	0	31	1	75	0.0× / 0.4
Restricted · Bay of Bengallong running	0	31	1	653	0.0× / 0.2
Incidents · Bay of Bengal	0	31	1	47	0.0× / 0.4
Surveys · Bay of Bengal	0	31	1	57	— / 0
Incidents · Bay of Biscay	0	31	1	60	0.0× / 0.8
Surveys · Bering Sea	0	31	1	135	— / 0
Ordnance · Black Sea	0	31	1	248	— / 0
Wrecks · Black Sea	0	31	1	185	— / 0
Other · Caribbean Sea	0	31	1	204	0.0× / 0.2
Restricted · Caribbean Sea	0	31	1	352	— / 0
Surveys · Caribbean Sea	0	31	1	83	— / 0
Wrecks · Caribbean Sealong running	0	31	1	458	0.0× / 0.2
Other · Celtic Sea	0	31	1	82	0.0× / 0.4
Surveys · Chukchi Sealong running	0	31	1	1,017	— / 0
Other · Coral Sea	0	31	1	326	0.0× / 0.2
Cable ops · Eastern China Sea	0	31	1	34	0.0× / 0.8
Other · Eastern China Sealong running	0	31	1	675	— / 0
Incidents · Great Australian Bight	0	31	1	43	0.0× / 0.4
Surveys · Greenland Sealong running	0	31	1	1,800	— / 0
Incidents · Gulf of Guinea	0	31	1	84	— / 0
Wrecks · Gulf of Guinealong running	0	31	1	475	— / 0

Cite: seahazards.com Sea Ledger, 2008-01, 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.