Sea Ledger, March 2014

2014-03-01 to 2014-03-31 · archive

issued: 514
warning-days in force: 8,841
in force at month end: 279
sea × type cells: 228

baseline: same month, previous 5 years (2013-03, 2012-03, 2011-03, 2010-03, 2009-03)

By type

type	issued	warning-days	in force at end
Incidents	101	765.3	20
Exercises	101	913.8	30
Nav aids	57	2,467.8	77
Cable ops	48	1,315.1	44
Quakes	48	142	1
Surveys	36	1,031.8	31
Icebergs	36	43.5	4
Missiles	28	180.6	11
Derelicts	15	72.3	3
Other	9	482.4	14
Containers	9	26.8	1
Spills	9	162.4	4
Debris	8	23.6	0
Piracy	5	47.8	2
Wrecks	3	566.9	20
Ordnance	1	164.4	5
Restricted	0	186.8	4
Mines	0	31	1
War risk	0	62	2
Structures	0	93	3
Volcanic	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 Ocean	25	79.1	4	33	1.6× / 15.2
Icebergs · North Atlantic Oceansurge	25	26.2	2	24	16× / 1.6
Cable ops · South Atlantic Ocean	21	235.3	6	118	0.6× / 36.2
Quakes · South Pacific Ocean	20	57.4	0	—	1.5× / 13
Exercises · Yellow Seasurge	14	126.1	3	32	2.3× / 6
Incidents · South China Seasurge	14	93.5	0	—	2.0× / 7
Incidents · North Atlantic Ocean	13	229.9	6	76	1.7× / 7.8
Exercises · North Pacific Ocean	13	89	3	35	1.0× / 13
Surveys · Southern Oceannew	13	15.2	0	—	new / 0
Nav aids · North Sealong running	11	315.4	9	485	1.1× / 9.6
Exercises · Arabian Sea	11	85.4	3	38	1.8× / 6
Incidents · Indian Ocean	10	45.5	2	52	1.5× / 6.6
Exercises · South Atlantic Ocean	9	61.8	0	—	0.9× / 9.6
Missiles · North Atlantic Oceansurge	9	30	1	20	2.6× / 3.4
Exercises · Bay of Bengal	8	90.3	4	35	0.8× / 10.2
Nav aids · South Atlantic Oceanlong running	7	516.1	13	1,104	1.1× / 6.4
Nav aids · North Atlantic Oceansurge	7	179.5	6	361	2.5× / 2.8
Surveys · South Atlantic Oceanlong running	7	128.3	6	432	1.6× / 4.4
Cable ops · North Atlantic Ocean	7	58.9	5	24	1.6× / 4.4
Exercises · Black Seasurge	7	55.4	2	32	2.5× / 2.8
Incidents · South Atlantic Ocean	7	41	0	—	1.2× / 5.8
Quakes · North Pacific Ocean	7	21	0	—	0.1× / 45.8
Spills · Gulf of Mexico	6	97	2	40	1.9× / 3.2
Exercises · Mediterranean Sea - Eastern Basin	6	25.6	1	32	1.8× / 3.4
Exercises · South Pacific Oceansurge	6	25.4	1	24	2.0× / 3
Quakes · Solomon Seasurge	6	18	0	—	3.8× / 1.6
Icebergs · Labrador Sea	6	7.6	0	—	0.7× / 8.2
Nav aids · Caribbean Seasurge	5	163.1	7	309	8.3× / 0.6
Nav aids · North Pacific Oceanlong running	5	77.4	2	480	1.9× / 2.6
Missiles · North Pacific Ocean	5	40.5	3	58	1.0× / 5.2
Cable ops · Bay of Bengal	4	92	2	70	1.8× / 2.2
Exercises · Aegean Seasurge	4	88	4	88	10× / 0.4
Exercises · Philippine Sea	4	55.4	2	33	1.3× / 3
Nav aids · Mediterranean Sea - Western Basinsurge	4	40.5	2	47	2.9× / 1.4
Cable ops · Celtic Seasurge	4	15.5	0	—	20× / 0.2
Missiles · Indian Oceansurge	4	15	0	—	10× / 0.4
Exercises · Baltic Sea	4	14.8	1	14	1.3× / 3.2
Derelicts · Timor Seasurge	4	12	0	—	6.7× / 0.6
Containers · English Channelnew	4	11.8	1	47	new / 0
Surveys · Arabian Seasurgelong running	3	131	4	452	3.0× / 1
Cable ops · South China Sea	3	87.2	5	219	1.5× / 2
Spills · North Atlantic Oceansurge	3	42	2	45	5.0× / 0.6
Exercises · North Atlantic Ocean	3	38.1	0	—	0.4× / 7.6
Incidents · Mediterranean Sea - Eastern Basin	3	38	1	36	1.0× / 3
Other · Mediterranean Sea - Eastern Basinsurge	3	22.3	0	—	5.0× / 0.6
Incidents · Philippine Seasurge	3	15.3	1	22	2.5× / 1.2
Quakes · Andaman or Burma Seanew	3	9	0	—	new / 0
Containers · North Atlantic Oceansurge	3	9	0	—	3.0× / 1
Exercises · Bering Seasurge	3	7.4	0	—	3.8× / 0.8
Icebergs · Southern Ocean	3	6.4	1	13	1.5× / 2
Exercises · Indian Oceansurge	3	3.2	0	—	15× / 0.2
Incidents · Southern Oceansurge	3	2.1	1	2	15× / 0.2
Incidents · Coral Sea	3	0.7	0	—	0.7× / 4.6
Nav aids · Gulf of Mexicolong running	2	138.9	4	874	1.7× / 1.2
Nav aids · English Channellong running	2	125.3	4	725	0.5× / 4
Cable ops · Mediterranean Sea - Eastern Basin	2	72.9	2	55	1.7× / 1.2
Other · North Atlantic Ocean	2	40.8	1	140	2.0× / 1
Exercises · South China Sea	2	36.2	2	33	1.0× / 2
Surveys · Black Sea	2	34.3	1	27	5.0× / 0.4
Cable ops · Indian Ocean	2	32.6	1	116	5.0× / 0.4
Missiles · Arabian Sea	2	31.8	2	34	10× / 0.2
Incidents · Caribbean Sea	2	30.9	0	—	0.8× / 2.4
Surveys · Mediterranean Sea - Eastern Basin	2	27.2	1	21	2.0× / 1
Surveys · Persian Gulf	2	18.6	0	—	10× / 0.2
Incidents · Mediterranean Sea - Western Basin	2	12.6	0	—	10× / 0.2
Nav aids · The Coastal Waters of Southeast Alaska and British Columbia	2	11.9	0	—	1.3× / 1.6
Incidents · Mozambique Channel	2	10.6	1	40	1.4× / 1.4
Incidents · South Pacific Ocean	2	10	0	—	0.4× / 5.2
Missiles · South Pacific Ocean	2	7.3	1	7	10× / 0.2
Quakes · Coral Sea	2	6	0	—	2.0× / 1
Debris · Gulf of Mexico	2	6	0	—	10× / 0.2
Quakes · Philippine Sea	2	6	0	—	0.8× / 2.6
Quakes · Southern Ocean	2	6	0	—	5.0× / 0.4
Debris · Malacca Straitnew	2	5.8	0	—	new / 0
Quakes · South Atlantic Ocean	2	5.7	1	14	2.0× / 1
Incidents · Ionian Sea	2	5.3	0	—	3.3× / 0.6
Debris · South China Seanew	2	4.9	0	—	new / 0
Derelicts · North Pacific Ocean	2	3.5	0	—	1.3× / 1.6
Derelicts · Indian Ocean	2	3.1	1	4	0.5× / 3.8
Missiles · South Atlantic Ocean	2	2.9	2	2	2.5× / 0.8
Incidents · Solomon Sea	2	2.7	1	29	3.3× / 0.6
Nav aids · Coral Sea	2	0.4	0	—	0.3× / 6
Incidents · Tasman Sea	2	0.4	0	—	2.0× / 1
Cable ops · Gulf of Guinea	1	108	3	123	2.5× / 0.4
Cable ops · North Sea	1	103.9	4	79	1.0× / 1
Nav aids · Arabian Sealong running	1	96.3	4	1,025	5.0× / 0.2
Wrecks · Arabian Sea	1	94.3	4	347	5.0× / 0.2
Nav aids · Inner Seas off the West Coast of Scotland	1	93	3	270	0.2× / 5
Other · North Pacific Oceanlong running	1	66.8	2	714	1.0× / 1
Nav aids · Indian Ocean	1	62.9	2	284	0.8× / 1.2
Cable ops · Makassar Strait	1	60.9	2	67	new / 0
Incidents · Gulf of Mexico	1	38.5	1	78	1.3× / 0.8
Other · Caribbean Sea	1	35.2	1	101	2.5× / 0.4
Derelicts · South Pacific Oceanlong running	1	34	1	642	1.7× / 0.6
Exercises · Laccadive Sea	1	32.5	1	33	0.4× / 2.8
Nav aids · Bass Strait	1	31.2	2	364	0.8× / 1.2
Incidents · Arabian Sea	1	26.3	0	—	1.7× / 0.6
Incidents · Malacca Strait	1	25.7	0	—	new / 0
Nav aids · Bay of Bengal	1	25.1	1	33	new / 0
Piracy · Arabian Sea	1	22.1	0	—	0.1× / 16
Surveys · Laccadive Sea	1	18.9	1	18	new / 0
Incidents · Laccadive Sea	1	15.1	1	33	2.5× / 0.4
Surveys · South China Sea	1	14.7	0	—	5.0× / 0.2
Piracy · Indian Ocean	1	11.5	0	—	0.1× / 9
Exercises · Red Sea	1	11.3	0	—	5.0× / 0.2
Surveys · North Pacific Ocean	1	11.1	0	—	1.7× / 0.6
Incidents · Bay of Bengal	1	10.2	0	—	1.0× / 1
Other · Celtic Sea	1	9.8	1	38	2.5× / 0.4
Piracy · Gulf of Guinea	1	9.7	0	—	2.5× / 0.4
Cable ops · Barentsz Sea	1	9.2	1	9	new / 0
Derelicts · Caribbean Sea	1	8.8	0	—	1.0× / 1
Surveys · Gulf of Oman	1	8.6	0	—	new / 0
Missiles · Bay of Bengal	1	7.8	0	—	0.6× / 1.6
Surveys · Gulf of Mexico	1	6.6	1	6	1.0× / 1
Missiles · Southern Ocean	1	6.6	0	—	new / 0
Cable ops · Eastern China Sea	1	6.5	1	6	1.0× / 1
Missiles · Laccadive Sea	1	5.1	0	—	5.0× / 0.2
Ordnance · Baltic Sea	1	4.4	0	—	new / 0
Nav aids · Red Sea	1	4.2	0	—	new / 0
Exercises · Andaman or Burma Sea	1	3.6	1	3	1.0× / 1
Piracy · Singapore Strait	1	3.1	1	3	new / 0
Quakes · Bismarck Sea	1	3	0	—	2.5× / 0.4
Containers · Celtic Sea	1	3	0	—	new / 0
Debris · Coral Sea	1	3	0	—	1.7× / 0.6
Quakes · Eastern China Sea	1	3	0	—	5.0× / 0.2
Quakes · Indian Ocean	1	3	0	—	0.8× / 1.2
Derelicts · Japan Sea	1	3	0	—	new / 0
Derelicts · Mediterranean Sea - Eastern Basin	1	3	0	—	1.0× / 1
Debris · North Pacific Ocean	1	3	0	—	5.0× / 0.2
Quakes · Seto Naikai or Inland Sea	1	3	0	—	new / 0
Derelicts · South Atlantic Ocean	1	3	0	—	0.5× / 2.2
Containers · South Pacific Ocean	1	3	0	—	2.5× / 0.4
Icebergs · South Pacific Ocean	1	3	0	—	5.0× / 0.2
Missiles · Baffin Bay	1	2.6	1	2	new / 0
Exercises · Coral Sea	1	2.3	0	—	0.6× / 1.6
Nav aids · South Pacific Ocean	1	2.2	0	—	1.0× / 1
Nav aids · Irish Sea and St. George's Channel	1	1.8	0	—	0.4× / 2.6
Piracy · Persian Gulf	1	1.4	1	1	new / 0
Wrecks · South China Sea	1	1.3	1	1	new / 0
Derelicts · Arabian Sea	1	1.1	0	—	1.3× / 0.8
Wrecks · Solomon Sea	1	1.1	0	—	new / 0
Derelicts · Gulf of Mexico	1	0.8	1	0	2.5× / 0.4
Surveys · Baltic Sea	1	0.5	1	0	5.0× / 0.2
Nav aids · Gulf of Alaska	1	0.5	0	—	0.3× / 3
Incidents · Gulf of Thailand	1	0.5	0	—	new / 0
Surveys · Mediterranean Sea - Western Basin	1	0.4	1	0	new / 0
Icebergs · South Atlantic Ocean	1	0.3	1	0	0.3× / 3
Other · Tasman Sea	1	0.1	0	—	new / 0
Nav aids · Timor Sea	1	0	0	—	new / 0
Surveys · Arctic Oceanlong running	0	155	5	1,253	— / 0
Other · South Atlantic Ocean	0	124.4	4	147	0.0× / 2
Surveys · Beaufort Sealong running	0	124	4	1,328	— / 0
Cable ops · Gulf of Mexico	0	124	4	101	0.0× / 1.2
Restricted · Black Sea	0	93.8	1	299	— / 0
Wrecks · Persian Gulflong running	0	93.4	3	476	— / 0
Nav aids · South China Sealong running	0	93	3	959	— / 0
Surveys · The Northwestern Passageslong running	0	93	3	602	— / 0
Cable ops · Andaman or Burma Sea	0	62	2	70	0.0× / 0.2
Ordnance · Black Sea	0	62	2	276	— / 0
Nav aids · Gulf of California	0	62	2	320	0.0× / 0.2
Exercises · Ionian Sea	0	62	2	88	0.0× / 0.2
Nav aids · Kara Sealong running	0	62	2	936	— / 0
War risk · Mediterranean Sea - Eastern Basinlong running	0	62	2	1,041	— / 0
Ordnance · North Sealong running	0	62	2	859	0.0× / 0.2
Other · North Sealong running	0	62	2	565	0.0× / 1.4
Restricted · North Sealong running	0	62	2	952	0.0× / 0.4
Structures · North Sealong running	0	62	2	959	— / 0
Wrecks · North Sealong running	0	62	2	385	0.0× / 0.2
Cable ops · Persian Gulf	0	62	2	150	0.0× / 0.6
Volcanic · Philippine Sealong running	0	62	2	701	— / 0
Nav aids · Sea of Okhotsklong running	0	62	2	832	0.0× / 0.2
Nav aids · Singapore Strait	0	62	2	245	— / 0
Nav aids · Southern Ocean	0	62	2	129	— / 0
Nav aids · Laccadive Sea	0	50.5	1	339	0.0× / 0.4
Missiles · Aegean Sea	0	31	1	88	— / 0
Cable ops · Arabian Sea	0	31	1	83	0.0× / 2
Wrecks · Arctic Ocean	0	31	1	220	— / 0
Wrecks · Barentsz Sea	0	31	1	165	— / 0
Wrecks · Bay of Bengal	0	31	1	244	— / 0
Surveys · Bering Sea	0	31	1	248	— / 0
Mines · Black Sea	0	31	1	276	— / 0
Nav aids · Celtic Sealong running	0	31	1	522	0.0× / 1.6
Surveys · Chukchi Sealong running	0	31	1	483	— / 0
Surveys · Coral Sea	0	31	1	159	— / 0
Wrecks · Coral Sea	0	31	1	124	0.0× / 0.4
Nav aids · Eastern China Sealong running	0	31	1	776	— / 0
Wrecks · Eastern China Sea	0	31	1	150	— / 0
Other · Gulf of Mexico	0	31	1	325	0.0× / 0.2
Other · Indian Ocean	0	31	1	50	0.0× / 0.8
Ordnance · Inner Seas off the West Coast of Scotland	0	31	1	297	— / 0
Cable ops · Kara Sea	0	31	1	128	— / 0
Wrecks · Mediterranean Sea - Western Basin	0	31	1	41	— / 0
Cable ops · Mozambique Channel	0	31	1	138	0.0× / 1
Nav aids · Mozambique Channel	0	31	1	171	0.0× / 0.2
Structures · North Atlantic Ocean	0	31	1	223	— / 0
Wrecks · North Atlantic Oceanlong running	0	31	1	905	— / 0
Nav aids · Persian Gulf	0	31	1	264	— / 0
Restricted · Sea of Okhotsklong running	0	31	1	900	— / 0
Wrecks · South Atlantic Ocean	0	31	1	169	0.0× / 0.2
Other · South China Sea	0	31	1	222	0.0× / 0.2

Cite: seahazards.com Sea Ledger, 2014-03, 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.