Sea Ledger, October 2014

2014-10-01 to 2014-10-31 · archive

issued: 579
warning-days in force: 10,299
in force at month end: 340
sea × type cells: 253

baseline: same month, previous 5 years (2013-10, 2012-10, 2011-10, 2010-10, 2009-10)

By type

type	issued	warning-days	in force at end
Incidents	113	761.9	25
Exercises	105	947.1	22
Nav aids	78	2,844.9	97
Cable ops	52	1,422.9	50
Missiles	38	193.8	6
Surveys	34	1,206.6	40
Icebergs	34	48.5	0
Other	28	766.2	27
Quakes	28	88.4	1
Derelicts	22	123.8	2
Wrecks	15	1,034.4	40
Spills	12	169	7
Debris	8	35	2
Storms	2	4.7	0
Structures	2	220.5	7
Containers	2	6	0
Ordnance	2	98.5	4
Piracy	2	16.2	1
Restricted	1	157.4	5
Towing	1	25.3	0
Mines	0	3.4	0
War risk	0	62	2
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	30	120.8	5	46	1.4× / 22
Icebergs · Labrador Sea	24	26.1	0	—	1.9× / 12.4
Missiles · North Pacific Oceansurge	18	74.2	3	29	2.4× / 7.4
Exercises · Yellow Sea	17	101.7	2	35	2.0× / 8.6
Exercises · North Pacific Ocean	16	107	4	54	1.1× / 14.4
Incidents · Mediterranean Sea - Eastern Basinsurge	16	101.3	3	32	3.2× / 5
Cable ops · South Atlantic Ocean	15	203.2	9	78	0.6× / 25.6
Nav aids · North Sealong running	14	407.5	13	699	1.1× / 12.6
Surveys · South Atlantic Oceansurge	12	193.3	5	93	3.0× / 4
Incidents · North Atlantic Ocean	12	75	4	67	1.1× / 11.4
Incidents · South China Sea	10	75.6	0	—	0.9× / 11
Nav aids · South Atlantic Ocean	9	224.5	8	234	1.1× / 7.8
Cable ops · South China Seasurge	8	157.2	9	162	2.1× / 3.8
Exercises · Black Seasurge	8	28.3	2	39	2.4× / 3.4
Exercises · Mediterranean Sea - Eastern Basinsurge	8	23.3	1	28	2.7× / 3
Nav aids · Caribbean Seasurgelong running	7	194.8	8	523	35× / 0.2
Nav aids · English Channelsurgelong running	7	100.8	5	939	2.3× / 3
Missiles · North Atlantic Oceansurge	7	33.6	0	—	3.9× / 1.8
Exercises · Baltic Seasurge	7	24.7	1	32	4.4× / 1.6
Quakes · South Pacific Ocean	7	24.2	0	—	0.6× / 12.2
Exercises · South Pacific Ocean	7	21.3	2	27	1.6× / 4.4
Nav aids · North Atlantic Oceanlong running	6	357.6	12	575	0.8× / 7.8
Exercises · Gulf of Mexicosurge	6	28.8	0	—	4.3× / 1.4
Quakes · North Pacific Ocean	6	18	0	—	0.9× / 6.8
Cable ops · Gulf of Mexicosurge	5	182.8	7	273	2.8× / 1.8
Exercises · South China Sea	5	138.8	2	44	0.7× / 7.2
Nav aids · Irish Sea and St. George's Channelsurge	5	83.7	3	91	4.2× / 1.2
Incidents · Caribbean Seasurge	5	58.4	3	55	2.1× / 2.4
Exercises · South Atlantic Ocean	5	49.4	0	—	0.5× / 11
Exercises · Arabian Sea	5	48.5	1	35	0.8× / 6.4
Exercises · North Atlantic Ocean	5	44.7	1	65	1.4× / 3.6
Incidents · Arabian Seasurge	5	32.1	5	36	13× / 0.4
Incidents · Mozambique Channelsurge	5	31.7	0	—	6.3× / 0.8
Icebergs · South Atlantic Ocean	5	15	0	—	1.5× / 3.4
Wrecks · Arabian Seanewlong running	4	242.7	10	561	new / 0
Other · North Seasurgelong running	4	137.2	5	779	3.3× / 1.2
Exercises · Philippine Sea	4	76.3	1	39	0.7× / 5.8
Incidents · Indian Ocean	4	44.8	1	42	0.7× / 5.6
Derelicts · North Atlantic Ocean	4	43	1	72	1.4× / 2.8
Missiles · Barentsz Sea	4	16.1	2	24	1.8× / 2.2
Incidents · Philippine Sea	4	13.9	0	—	1.4× / 2.8
Nav aids · Gulf of Alaska	4	9.2	0	—	1.3× / 3.2
Icebergs · Hudson Straitnew	4	4.4	0	—	new / 0
Incidents · South Pacific Ocean	4	4.4	1	25	0.5× / 8.4
Nav aids · Celtic Sealong running	3	67.1	2	736	1.9× / 1.6
Spills · North Atlantic Ocean	3	55	2	37	1.7× / 1.8
Incidents · South Atlantic Ocean	3	47.2	1	63	0.4× / 7
Derelicts · South Pacific Oceansurgelong running	3	40	1	856	3.8× / 0.8
Spills · Gulf of Mexico	3	37	2	39	1.1× / 2.6
Exercises · Bay of Bengal	3	30.8	1	35	0.4× / 7.4
Surveys · Indian Oceansurge	3	28	2	26	5.0× / 0.6
Incidents · Davis Strait	3	25.9	0	—	1.4× / 2.2
Cable ops · Inner Seas off the West Coast of Scotlandnew	3	20.3	1	35	new / 0
Other · English Channelnew	3	15.9	2	19	new / 0
Missiles · Bay of Bengalsurge	3	8.9	0	—	5.0× / 0.6
Missiles · South Pacific Ocean	3	8.2	0	—	1.4× / 2.2
Cable ops · Molukka Seanew	3	7.3	1	22	new / 0
Derelicts · South Atlantic Oceansurge	3	6.8	0	—	3.8× / 0.8
Exercises · Adriatic Seasurge	3	5.4	0	—	7.5× / 0.4
Surveys · Arctic Oceanlong running	2	219	7	1,467	0.9× / 2.2
Cable ops · North Atlantic Ocean	2	208.5	6	223	0.2× / 8.2
Nav aids · Gulf of Mexicolong running	2	169.5	5	1,088	0.5× / 3.8
Other · South China Sealong running	2	167.1	3	436	5.0× / 0.4
Nav aids · North Pacific Oceanlong running	2	161.1	4	694	0.8× / 2.4
Nav aids · Inner Seas off the West Coast of Scotlandlong running	2	93.9	3	484	0.5× / 3.8
Cable ops · Caribbean Sea	2	73.1	2	38	3.3× / 0.6
Ordnance · North Sealong running	2	64.1	3	1,073	5.0× / 0.4
Wrecks · South China Sea	2	64.1	3	172	3.3× / 0.6
Nav aids · Coral Sea	2	62.3	2	196	1.0× / 2
Surveys · Coral Sealong running	2	62.3	3	373	10× / 0.2
Cable ops · Laptev Sea	2	57.1	0	—	2.0× / 1
Nav aids · Bering Seanew	2	53.2	2	26	new / 0
Other · Persian Gulfnew	2	51.9	2	156	new / 0
Other · Hudson Straitnew	2	45	0	—	new / 0
Surveys · Mediterranean Sea - Eastern Basin	2	43.8	3	58	2.5× / 0.8
Surveys · Black Sea	2	43.7	1	139	1.7× / 1.2
Exercises · Laccadive Sea	2	40.6	0	—	0.5× / 3.8
Surveys · Sea of Azovnew	2	39.1	1	33	new / 0
Other · Mediterranean Sea - Eastern Basin	2	38.2	3	58	2.0× / 1
Cable ops · Gulf of Guinea	2	35.8	2	26	0.8× / 2.6
Spills · North Pacific Ocean	2	27	1	15	1.4× / 1.4
Surveys · Gulf of Suez	2	22.3	0	—	5.0× / 0.4
Nav aids · Mediterranean Sea - Western Basin	2	16.8	2	15	1.7× / 1.2
Nav aids · The Northwestern Passages	2	10.4	1	24	2.5× / 0.8
Incidents · Makassar Straitnew	2	9.7	0	—	new / 0
Other · Caribbean Sea	2	9.2	1	9	5.0× / 0.4
Nav aids · Mediterranean Sea - Eastern Basin	2	7.4	1	28	5.0× / 0.4
Other · Labrador Seanew	2	7.1	1	6	new / 0
Wrecks · Chukchi Seanew	2	6.3	1	7	new / 0
Derelicts · Beaufort Seanew	2	6	0	—	new / 0
Derelicts · Indian Ocean	2	6	0	—	0.9× / 2.2
Quakes · North Atlantic Ocean	2	6	0	—	5.0× / 0.4
Derelicts · North Pacific Ocean	2	6	0	—	0.8× / 2.4
Quakes · Philippine Sea	2	6	0	—	0.8× / 2.4
Quakes · Southern Ocean	2	6	0	—	3.3× / 0.6
Debris · Timor Sea	2	6	0	—	10× / 0.2
Debris · Arafura Sea	2	5.7	1	20	10× / 0.2
Nav aids · Beaufort Seanew	2	1.3	0	—	new / 0
Incidents · Coral Sea	2	0.3	0	—	0.4× / 5.2
Surveys · Beaufort Sealong running	1	155	5	1,542	0.7× / 1.4
Exercises · Aegean Sea	1	93.6	2	302	0.4× / 2.4
Wrecks · North Atlantic Oceanlong running	1	87.7	3	1,119	1.7× / 0.6
Surveys · Caribbean Sea	1	79.1	3	128	new / 0
Cable ops · Kara Sea	1	72.3	1	342	5.0× / 0.2
Surveys · North Atlantic Ocean	1	70.5	3	150	1.0× / 1
Other · Indian Ocean	1	70.1	3	264	1.3× / 0.8
Nav aids · Indian Oceanlong running	1	63	2	498	0.3× / 3
Nav aids · Andaman or Burma Sea	1	46.2	2	206	new / 0
Cable ops · North Sea	1	44.4	1	94	0.3× / 3
Other · North Atlantic Ocean	1	35.8	1	354	0.5× / 2
Nav aids · Bass Straitlong running	1	31.1	1	578	1.7× / 0.6
Cable ops · Mediterranean Sea - Eastern Basin	1	31	1	36	0.7× / 1.4
Wrecks · Gulf of Guinea	1	29.3	1	29	new / 0
Cable ops · Black Sea	1	29	1	29	0.6× / 1.8
Surveys · Persian Gulf	1	28.5	1	28	new / 0
Wrecks · Irish Sea and St. George's Channel	1	25.4	1	25	new / 0
Incidents · English Channel	1	25.1	0	—	new / 0
Cable ops · Yellow Sea	1	24.7	1	24	5.0× / 0.2
Other · Gulf of Mexico	1	24.1	1	24	1.3× / 0.8
Surveys · North Sea	1	20.7	0	—	1.7× / 0.6
Incidents · Gulf of Mexico	1	20.4	0	—	0.4× / 2.4
Towing · Arctic Ocean	1	18.5	0	—	new / 0
Incidents · Singapore Strait	1	18.1	0	—	new / 0
Wrecks · Caribbean Sea	1	17.4	1	17	new / 0
Debris · North Atlantic Ocean	1	16.6	0	—	1.3× / 0.8
Nav aids · Labrador Sea	1	14.6	0	—	new / 0
Cable ops · Singapore Strait	1	14.6	1	14	1.7× / 0.6
Spills · Caribbean Sea	1	14	1	39	1.7× / 0.6
Spills · Gulf of Alaska	1	14	0	—	5.0× / 0.2
Spills · The Coastal Waters of Southeast Alaska and British Columbia	1	14	0	—	1.7× / 0.6
Piracy · South China Sea	1	13.4	1	35	0.6× / 1.6
Other · Tyrrhenian Sea	1	12.7	0	—	5.0× / 0.2
Exercises · Caribbean Sea	1	11	0	—	new / 0
Wrecks · East Siberian Sea	1	10.6	1	10	new / 0
Exercises · Coral Sea	1	8.7	0	—	0.4× / 2.8
Other · Laccadive Sea	1	8.4	1	8	new / 0
Missiles · Laccadive Sea	1	8.2	0	—	1.0× / 1
Surveys · Gulf of Mexico	1	8.1	0	—	2.5× / 0.4
Spills · Beaufort Sea	1	8	1	8	new / 0
Wrecks · Indian Ocean	1	7.5	1	7	new / 0
Missiles · Persian Gulf	1	7.3	0	—	new / 0
Wrecks · South Atlantic Ocean	1	7	1	6	2.5× / 0.4
Other · Coral Sea	1	6.7	0	—	new / 0
Missiles · Arabian Sea	1	6.3	0	—	new / 0
Quakes · Indian Ocean	1	5.7	0	—	0.3× / 3.2
Cable ops · Ceram Sea	1	3.4	0	—	new / 0
Quakes · Bismarck Sea	1	3	0	—	new / 0
Debris · Caribbean Sea	1	3	0	—	new / 0
Derelicts · Caribbean Sea	1	3	0	—	1.7× / 0.6
Derelicts · Coral Sea	1	3	0	—	1.7× / 0.6
Quakes · Eastern China Sea	1	3	0	—	2.5× / 0.4
Derelicts · English Channel	1	3	0	—	new / 0
Derelicts · Great Australian Bight	1	3	0	—	new / 0
Quakes · Gulf of California	1	3	0	—	0.7× / 1.4
Quakes · Gulf of Mexico	1	3	0	—	5.0× / 0.2
Containers · North Atlantic Ocean	1	3	0	—	2.5× / 0.4
Icebergs · North Atlantic Ocean	1	3	0	—	new / 0
Debris · North Pacific Ocean	1	3	0	—	new / 0
Quakes · Solomon Sea	1	3	0	—	0.6× / 1.8
Containers · South China Sea	1	3	0	—	5.0× / 0.2
Quakes · Sulu Sea	1	3	0	—	new / 0
Derelicts · Tasman Sea	1	3	0	—	1.7× / 0.6
Quakes · Tasman Sea	1	3	0	—	5.0× / 0.2
Piracy · Gulf of Aden	1	2.8	0	—	0.6× / 1.8
Storms · North Pacific Ocean	1	2.7	0	—	new / 0
Surveys · Bay of Bengal	1	2.6	1	2	2.5× / 0.4
Cable ops · Norwegian Sea	1	2.6	0	—	1.7× / 0.6
Restricted · Barentsz Sea	1	2.4	0	—	new / 0
Cable ops · North Pacific Ocean	1	2.3	1	2	0.8× / 1.2
Exercises · Indian Ocean	1	2.2	0	—	0.8× / 1.2
Structures · Adriatic Sea	1	2	0	—	new / 0
Storms · Caribbean Sea	1	2	0	—	new / 0
Incidents · Tasman Sea	1	2	0	—	0.7× / 1.4
Incidents · Gulf of Thailand	1	1.6	0	—	new / 0
Incidents · Baffin Bay	1	1.5	1	1	1.7× / 0.6
Incidents · Flores Sea	1	1.5	1	1	new / 0
Quakes · Java Sea	1	1.5	1	1	5.0× / 0.2
Structures · South Atlantic Ocean	1	1.5	0	—	new / 0
Cable ops · Celtic Sea	1	1.3	0	—	0.5× / 2
Derelicts · South China Sea	1	1	0	—	0.5× / 2.2
Debris · Barentsz Sea	1	0.7	1	0	new / 0
Nav aids · South Pacific Ocean	1	0.7	0	—	0.6× / 1.8
Other · Tasman Sea	1	0.4	0	—	1.7× / 0.6
Other · Gulf of Alaska	1	0.3	0	—	new / 0
Other · South Pacific Ocean	1	0.2	0	—	5.0× / 0.2
Incidents · Great Australian Bight	1	0	0	—	new / 0
Structures · North Sealong running	0	124	4	1,173	— / 0
Wrecks · North Sealong running	0	124	4	599	0.0× / 0.4
Nav aids · South China Sealong running	0	124	4	1,173	0.0× / 0.2
Nav aids · Arabian Sealong running	0	96.4	3	854	0.0× / 0.6
Restricted · North Sealong running	0	93	3	1,166	0.0× / 0.4
Wrecks · Coral Sea	0	62	2	338	0.0× / 0.4
Nav aids · Gulf of Californialong running	0	62	2	534	0.0× / 0.6
Exercises · Ionian Sea	0	62	2	302	— / 0
Nav aids · Kara Sealong running	0	62	2	1,150	— / 0
Nav aids · Laccadive Sealong running	0	62	2	553	0.0× / 0.8
War risk · Mediterranean Sea - Eastern Basinlong running	0	62	2	1,255	— / 0
Other · North Pacific Oceanlong running	0	62	2	928	0.0× / 0.6
Nav aids · Persian Gulflong running	0	62	2	478	0.0× / 0.2
Volcanic · Philippine Sealong running	0	62	2	915	— / 0

Cite: seahazards.com Sea Ledger, 2014-10, 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.