Sea Ledger, January 2015

2015-01-01 to 2015-01-31 · archive

issued: 561
warning-days in force: 10,281
in force at month end: 377
sea × type cells: 220

baseline: same month, previous 5 years (2014-01, 2013-01, 2012-01, 2011-01, 2010-01)

By type

type	issued	warning-days	in force at end
Incidents	172	1,449.5	77
Exercises	117	962.3	28
Nav aids	63	2,781.4	88
Icebergs	38	61.7	2
Cable ops	37	1,111.8	34
Missiles	23	137.8	8
Surveys	23	1,052.7	39
Quakes	22	69.1	3
Derelicts	21	171.2	7
Other	17	616.2	23
Spills	7	94	4
Debris	6	15.2	1
Wrecks	4	1,069.1	37
Volcanic	2	105	4
Restricted	2	151.7	6
Structures	2	219.5	8
Containers	2	3	1
Ordnance	2	145.2	4
Piracy	1	2.3	1
War risk	0	62	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	43	193	14	35	2.0× / 21.2
Icebergs · Labrador Seasurge	28	30.5	2	32	4.4× / 6.4
Exercises · North Pacific Oceansurge	27	142.8	6	36	2.8× / 9.6
Incidents · South China Seasurge	25	173.6	9	83	2.0× / 12.2
Nav aids · North Sealong running	24	538.3	18	791	1.4× / 17.4
Incidents · North Atlantic Ocean	20	225.9	9	69	1.1× / 17.8
Incidents · Mediterranean Sea - Eastern Basinsurge	19	155.3	12	35	19× / 1
Exercises · Yellow Seasurge	14	122	3	38	2.0× / 7
Incidents · Philippine Seasurge	12	128.7	9	29	6.0× / 2
Exercises · South Atlantic Ocean	10	48.8	0	—	1.4× / 7.4
Surveys · South Atlantic Oceansurge	9	214.8	9	185	2.5× / 3.6
Exercises · Aegean Seasurgelong running	9	139.4	7	394	3.2× / 2.8
Exercises · Mediterranean Sea - Eastern Basinsurge	9	45.9	1	29	3.0× / 3
Exercises · Bay of Bengal	8	110.8	2	36	1.1× / 7
Missiles · North Pacific Oceansurge	8	40.8	3	30	2.4× / 3.4
Incidents · South Pacific Ocean	7	82.1	3	59	1.6× / 4.4
Incidents · South Atlantic Ocean	7	57	2	26	0.9× / 7.6
Exercises · Black Seasurge	7	31.3	0	—	2.7× / 2.6
Incidents · Bismarck Seasurge	7	8.6	0	—	3.2× / 2.2
Nav aids · North Atlantic Oceanlong running	6	231.5	7	667	1.7× / 3.6
Exercises · Arabian Sea	6	54.6	2	33	1.1× / 5.6
Exercises · Caribbean Seanew	6	19.2	0	—	new / 0
Icebergs · Indian Oceannew	6	18	0	—	new / 0
Missiles · North Atlantic Oceansurge	6	14.8	0	—	3.8× / 1.6
Nav aids · Coral Seasurge	5	95.6	3	288	2.3× / 2.2
Surveys · Indian Oceansurge	5	78.9	4	58	6.3× / 0.8
Quakes · South Pacific Ocean	5	15	2	32	0.7× / 7.6
Quakes · North Pacific Ocean	5	12.5	1	25	1.1× / 4.6
Nav aids · South Atlantic Ocean	4	196.6	6	326	0.5× / 8.6
Nav aids · Inner Seas off the West Coast of Scotlandlong running	4	149.6	4	576	1.4× / 2.8
Nav aids · English Channellong running	4	79.3	2	1,031	1.3× / 3
Incidents · Caribbean Sea	4	62.1	0	—	1.2× / 3.4
Cable ops · North Pacific Oceansurge	4	57.4	3	51	6.7× / 0.6
Cable ops · Bay of Bengal	4	48	3	30	1.8× / 2.2
Other · Caribbean Seasurge	4	47.9	3	30	20× / 0.2
Incidents · Mozambique Channelsurge	4	43.6	3	32	2.0× / 2
Icebergs · South Atlantic Ocean	4	11.2	0	—	1.3× / 3.2
Exercises · North Atlantic Oceansurge	4	6.4	0	—	2.9× / 1.4
Other · North Seasurgelong running	3	174.4	5	871	5.0× / 0.6
Cable ops · South China Seasurge	3	104.9	2	148	7.5× / 0.4
Nav aids · North Pacific Oceanlong running	3	92.2	5	786	0.9× / 3.4
Derelicts · North Atlantic Ocean	3	80.8	3	164	1.0× / 3
Cable ops · Arabian Sea	3	67.4	3	60	1.7× / 1.8
Nav aids · Mediterranean Sea - Western Basinsurge	3	58.3	2	107	15× / 0.2
Incidents · Gulf of Mexico	3	44.6	3	16	0.9× / 3.2
Exercises · Laccadive Sea	3	43.6	1	30	1.1× / 2.6
Exercises · Philippine Seasurge	3	40.5	1	31	3.8× / 0.8
Cable ops · Yellow Seasurge	3	29.3	0	—	7.5× / 0.4
Spills · North Pacific Oceansurge	3	28	2	16	15× / 0.2
Cable ops · Eastern China Seasurge	3	27.4	0	—	15× / 0.2
Incidents · Java Seasurge	3	24.7	0	—	3.8× / 0.8
Incidents · Indian Ocean	3	12.7	1	19	0.6× / 5.2
Missiles · Bay of Bengalsurge	3	12.6	1	19	2.1× / 1.4
Incidents · Tasman Seasurge	3	9.5	1	27	3.0× / 1
Debris · Bay of Bengalnew	3	6.2	1	17	new / 0
Exercises · South Pacific Ocean	3	5.8	0	—	1.1× / 2.6
Derelicts · Philippine Seasurge	3	3.1	0	—	7.5× / 0.4
Exercises · Gulf of Mexicosurge	3	2.9	0	—	5.0× / 0.6
Incidents · Coral Sea	3	0.8	0	—	0.8× / 3.8
Nav aids · Gulf of Mexico	2	137.5	5	350	0.7× / 3
Restricted · North Seanewlong running	2	120.7	5	1,258	new / 0
Surveys · North Atlantic Ocean	2	109.6	4	242	2.5× / 0.8
Exercises · South China Sea	2	96.5	3	31	1.7× / 1.2
Incidents · Arabian Sea	2	63.1	3	42	1.1× / 1.8
Exercises · Ionian Sealong running	2	50.8	2	394	3.3× / 0.6
Cable ops · Mediterranean Sea - Eastern Basin	2	46.9	1	29	1.1× / 1.8
Derelicts · South Pacific Oceanlong running	2	44.7	2	948	0.8× / 2.6
Volcanic · South Pacific Oceannew	2	43	2	23	new / 0
Other · North Atlantic Oceanlong running	2	36.7	2	446	1.7× / 1.2
Cable ops · Persian Gulf	2	35.2	2	30	0.6× / 3.6
Cable ops · Gulf of Thailandnew	2	31	1	180	new / 0
Ordnance · North Pacific Ocean	2	21.2	0	—	10× / 0.2
Spills · The Coastal Waters of Southeast Alaska and British Columbianew	2	16	2	12	new / 0
Surveys · Bay of Bengal	2	13	1	25	10× / 0.2
Cable ops · Philippine Sea	2	8.9	1	70	5.0× / 0.4
Derelicts · Gulf of Mexico	2	8.7	1	11	2.0× / 1
Missiles · Philippine Sea	2	7.4	1	7	3.3× / 0.6
Derelicts · Bay of Bengal	2	6	0	—	3.3× / 0.6
Derelicts · Caribbean Sea	2	6	0	—	5.0× / 0.4
Quakes · Indian Ocean	2	6	0	—	0.8× / 2.4
Derelicts · South Atlantic Ocean	2	6	1	12	1.4× / 1.4
Containers · North Seanew	2	3	1	20	new / 0
Structures · South Atlantic Oceannew	2	1.5	1	1	new / 0
Other · Philippine Sea	2	1.4	0	—	5.0× / 0.4
Cable ops · South Atlantic Ocean	1	144.5	5	114	0.0× / 36.2
Nav aids · Celtic Sealong running	1	95	2	828	0.4× / 2.6
Other · North Pacific Oceanlong running	1	77	3	1,020	5.0× / 0.2
Nav aids · Irish Sea and St. George's Channel	1	76.8	2	183	0.6× / 1.8
Nav aids · Indian Ocean	1	69	1	346	0.3× / 3.2
Other · Mediterranean Sea - Eastern Basin	1	64.3	3	150	1.7× / 0.6
Nav aids · Mediterranean Sea - Eastern Basin	1	60.5	2	94	0.8× / 1.2
Surveys · Caribbean Sea	1	60	1	220	new / 0
Cable ops · Caribbean Sea	1	53.4	1	112	5.0× / 0.2
Wrecks · South Atlantic Ocean	1	47.9	2	98	2.5× / 0.4
Wrecks · Caribbean Sea	1	47.8	2	109	2.5× / 0.4
Incidents · Bay of Bengal	1	42.5	2	40	0.4× / 2.6
Wrecks · South Pacific Oceanlong running	1	38.4	2	489	5.0× / 0.2
Spills · Gulf of Mexico	1	36	0	—	0.3× / 3
Other · South Pacific Ocean	1	35.6	1	45	2.5× / 0.4
Wrecks · English Channel	1	32.5	2	192	2.5× / 0.4
Missiles · Aegean Sealong running	1	29.6	1	394	2.5× / 0.4
Cable ops · South Pacific Ocean	1	25.6	0	—	1.7× / 0.6
Missiles · Arctic Ocean	1	22	1	21	2.5× / 0.4
Other · Irish Sea and St. George's Channel	1	19.5	1	19	5.0× / 0.2
Incidents · Eastern China Sea	1	17.4	1	17	5.0× / 0.2
Surveys · Tasman Sea	1	16.7	1	16	0.7× / 1.4
Cable ops · Banda Sea	1	15.8	0	—	new / 0
Incidents · Ionian Sea	1	15.5	1	15	5.0× / 0.2
Cable ops · Gulf of Boni	1	14.5	1	14	new / 0
Spills · North Atlantic Ocean	1	14	0	—	0.7× / 1.4
Cable ops · Indian Ocean	1	12.4	1	12	1.0× / 1
Surveys · Black Sea	1	12.3	1	12	2.5× / 0.4
Incidents · Singapore Strait	1	10.8	1	10	2.5× / 0.4
Nav aids · Adriatic Sea	1	8.4	1	8	new / 0
Cable ops · Aegean Sea	1	6.5	0	—	1.7× / 0.6
Missiles · Indian Ocean	1	5.7	1	5	2.5× / 0.4
Derelicts · Mediterranean Sea - Eastern Basin	1	5.7	0	—	1.7× / 0.6
Quakes · Bismarck Sea	1	5.1	0	—	2.5× / 0.4
Missiles · Laccadive Sea	1	4.9	0	—	0.8× / 1.2
Incidents · Laccadive Sea	1	4.5	1	4	0.7× / 1.4
Other · Bay of Bengal	1	4.4	0	—	5.0× / 0.2
Cable ops · Celtic Sea	1	3.6	0	—	2.5× / 0.4
Incidents · Persian Gulf	1	3.6	0	—	5.0× / 0.2
Quakes · Arabian Sea	1	3	0	—	new / 0
Derelicts · Arafura Sea	1	3	0	—	1.7× / 0.6
Quakes · Arafura Sea	1	3	0	—	5.0× / 0.2
Quakes · Banda Sea	1	3	0	—	2.5× / 0.4
Quakes · Bering Sea	1	3	0	—	5.0× / 0.2
Quakes · Celebes Sea	1	3	0	—	new / 0
Quakes · Coral Sea	1	3	0	—	0.2× / 4.6
Debris · North Atlantic Ocean	1	3	0	—	1.0× / 1
Derelicts · North Pacific Ocean	1	3	0	—	0.8× / 1.2
Quakes · South China Sea	1	3	0	—	5.0× / 0.2
Debris · Southern Ocean	1	3	0	—	new / 0
Quakes · Southern Ocean	1	3	0	—	0.8× / 1.2
Debris · Tasman Sea	1	3	0	—	5.0× / 0.2
Quakes · Tasman Sea	1	3	0	—	2.5× / 0.4
Surveys · The Coastal Waters of Southeast Alaska and British Columbia	1	3	0	—	new / 0
Piracy · Java Sea	1	2.3	1	2	new / 0
Exercises · Alboran Sea	1	1	0	—	5.0× / 0.2
Incidents · North Sea	1	1	0	—	new / 0
Nav aids · Bristol Channel	1	0.8	0	—	1.7× / 0.6
Cable ops · Tasman Sea	1	0.8	1	0	0.6× / 1.8
Nav aids · South Pacific Ocean	1	0.7	0	—	1.3× / 0.8
Derelicts · Bay of Biscay	1	0.5	0	—	5.0× / 0.2
Surveys · Southern Ocean	1	0.4	1	0	0.8× / 1.2
Derelicts · Coral Sea	1	0.3	0	—	0.6× / 1.8
Nav aids · Gulf of Alaska	1	0.1	0	—	0.6× / 1.6
Other · Arafura Sea	1	0	0	—	new / 0
Wrecks · Arabian Sealong running	0	251.5	8	653	— / 0
Nav aids · Caribbean Sealong running	0	193.7	6	615	0.0× / 0.4
Surveys · Arctic Oceanlong running	0	186	6	1,559	— / 0
Surveys · Beaufort Sealong running	0	155	5	1,634	— / 0
Cable ops · Gulf of Mexicolong running	0	147.3	3	365	0.0× / 1.8
Cable ops · North Atlantic Ocean	0	124.8	3	315	0.0× / 3.2
Nav aids · Arabian Sealong running	0	124	4	946	0.0× / 0.2
Structures · North Sealong running	0	124	4	1,265	— / 0
Wrecks · North Sealong running	0	124	4	691	— / 0
Nav aids · South China Sealong running	0	124	4	1,265	— / 0
Nav aids · Kara Sealong running	0	93	3	1,242	— / 0
Wrecks · North Atlantic Oceanlong running	0	93	3	1,211	— / 0
Ordnance · North Sealong running	0	93	3	1,165	0.0× / 0.8
War risk · Mediterranean Sea - Eastern Basinlong running	0	62	2	1,347	— / 0
Nav aids · Persian Gulflong running	0	62	2	570	— / 0
Volcanic · Philippine Sealong running	0	62	2	1,007	0.0× / 0.2
Nav aids · Sea of Okhotsklong running	0	62	2	1,138	0.0× / 0.2
Other · South China Sealong running	0	62	2	528	0.0× / 0.2
Nav aids · Andaman or Burma Sea	0	31	1	107	0.0× / 0.2
Incidents · Andaman or Burma Sea	0	31	1	45	0.0× / 0.4
Structures · Arabian Sea	0	31	1	192	— / 0
Wrecks · Arctic Oceanlong running	0	31	1	526	— / 0
Cable ops · Barentsz Sea	0	31	1	133	— / 0
Wrecks · Barentsz Sea	0	31	1	283	— / 0
Nav aids · Bass Straitlong running	0	31	1	670	0.0× / 0.4
Nav aids · Bay of Bengal	0	31	1	330	0.0× / 0.6
Wrecks · Bay of Bengal	0	31	1	172	— / 0
Surveys · Bering Sea	0	31	1	211	— / 0
Cable ops · Black Sea	0	31	1	121	0.0× / 0.4
Restricted · Black Sealong running	0	31	1	605	0.0× / 0.6
Surveys · Chukchi Sea	0	31	1	129	— / 0
Surveys · Coral Sealong running	0	31	1	465	0.0× / 0.4
Wrecks · Coral Sealong running	0	31	1	430	0.0× / 0.2
Wrecks · East Siberian Sea	0	31	1	102	— / 0
Nav aids · Eastern China Sealong running	0	31	1	1,082	— / 0
Wrecks · Eastern China Sealong running	0	31	1	456	— / 0
Nav aids · Great Australian Bight	0	31	1	58	0.0× / 0.4
Wrecks · Gulf of Guinea	0	31	1	121	— / 0
Other · Indian Ocean	0	31	1	244	— / 0
Ordnance · Inner Seas off the West Coast of Scotlandlong running	0	31	1	603	— / 0
Wrecks · Inner Seas off the West Coast of Scotland	0	31	1	276	— / 0
Wrecks · Irish Sea and St. George's Channel	0	31	1	117	0.0× / 0.4
Wrecks · Japan Sea	0	31	1	268	— / 0
Cable ops · Kara Sealong running	0	31	1	434	— / 0
Wrecks · Kara Sea	0	31	1	86	— / 0
Nav aids · Laccadive Sealong running	0	31	1	645	0.0× / 0.2
Wrecks · Makassar Strait	0	31	1	195	— / 0
Surveys · Mediterranean Sea - Eastern Basin	0	31	1	32	0.0× / 0.8
Incidents · Mediterranean Sea - Western Basin	0	31	1	42	0.0× / 0.6
Wrecks · Mediterranean Sea - Western Basin	0	31	1	347	— / 0
Structures · North Atlantic Oceanlong running	0	31	1	529	— / 0

Cite: seahazards.com Sea Ledger, 2015-01, 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.