Sea Ledger, August 2014

2014-08-01 to 2014-08-31 · archive

issued: 506
warning-days in force: 10,591
in force at month end: 331
sea × type cells: 227

baseline: same month, previous 5 years (2013-08, 2012-08, 2011-08, 2010-08, 2009-08)

By type

type	issued	warning-days	in force at end
Incidents	146	1,005.4	26
Exercises	97	935.1	32
Nav aids	56	3,043	95
Icebergs	36	48.9	2
Cable ops	30	1,478.1	49
Quakes	27	85.7	2
Surveys	24	1,339.7	43
Missiles	23	202.6	3
Derelicts	23	112	4
Spills	13	206	4
Wrecks	12	818.2	31
Other	8	576.7	17
Piracy	4	25.9	0
Containers	4	11.8	1
Debris	2	6	0
Structures	1	188.5	6
Restricted	0	165.8	5
Mines	0	31	1
War risk	0	62	2
Towing	0	93	3
Ordnance	0	94	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	35	224.1	4	40	1.7× / 20.6
Icebergs · Labrador Seasurge	31	33.7	2	32	2.7× / 11.4
Incidents · South China Sea	18	85.3	2	42	1.7× / 10.6
Incidents · North Atlantic Oceansurge	17	297.9	7	77	2.7× / 6.4
Incidents · Mediterranean Sea - Eastern Basinsurge	14	76.2	3	38	3.9× / 3.6
Exercises · North Pacific Ocean	14	67	1	57	1.5× / 9.6
Exercises · Yellow Seasurge	13	115.2	4	39	2.2× / 6
Incidents · Caribbean Seasurge	10	67.1	2	52	3.9× / 2.6
Exercises · Black Seasurge	10	35.3	2	34	5.6× / 1.8
Exercises · Philippine Sea	9	124.2	6	46	1.8× / 5
Incidents · South Pacific Ocean	9	19.7	1	29	0.9× / 9.6
Nav aids · North Sealong running	8	400.9	13	638	0.9× / 8.4
Cable ops · North Atlantic Ocean	8	212.3	9	162	1.1× / 7.2
Missiles · North Atlantic Oceansurge	8	51.4	0	—	3.3× / 2.4
Exercises · South Atlantic Ocean	8	37.3	3	24	1.0× / 8
Incidents · South Atlantic Ocean	7	15.1	2	23	1.3× / 5.6
Incidents · Indian Ocean	7	12.2	1	27	0.7× / 9.6
Derelicts · Mediterranean Sea - Eastern Basinsurge	6	12.5	0	—	6.0× / 1
Surveys · South Atlantic Oceansurge	5	129	5	47	2.5× / 2
Spills · Gulf of Mexico	5	97	2	39	1.3× / 4
Nav aids · Indian Oceansurgelong running	5	64.2	2	437	2.1× / 2.4
Cable ops · South Atlantic Ocean	5	55.6	2	144	0.2× / 27.6
Exercises · Bay of Bengal	5	51.1	3	38	1.0× / 5
Missiles · Black Seasurge	5	31.9	0	—	8.3× / 0.6
Quakes · South Pacific Ocean	5	15	0	—	0.5× / 10
Exercises · South Pacific Ocean	5	14.4	2	27	1.4× / 3.6
Icebergs · South Atlantic Ocean	5	12.7	0	—	1.9× / 2.6
Nav aids · North Atlantic Oceanlong running	4	379.8	11	514	0.8× / 4.8
Nav aids · South Atlantic Oceanlong running	4	228.6	6	1,093	0.5× / 7.6
Nav aids · North Pacific Oceanlong running	4	197.3	7	633	1.8× / 2.2
Cable ops · North Sea	4	88.7	3	80	0.9× / 4.4
Nav aids · Inner Seas off the West Coast of Scotlandsurgelong running	4	85.6	3	423	2.5× / 1.6
Spills · North Atlantic Ocean	4	45	1	19	1.3× / 3.2
Exercises · North Atlantic Ocean	4	20.3	1	48	1.8× / 2.2
Incidents · Philippine Seasurge	4	19.6	0	—	2.9× / 1.4
Cable ops · Mediterranean Sea - Eastern Basinsurge	4	18.5	1	15	5.0× / 0.8
Derelicts · North Pacific Oceansurge	4	16	0	—	2.2× / 1.8
Quakes · North Pacific Ocean	4	12	0	—	0.5× / 8.2
Surveys · Mediterranean Sea - Western Basinsurge	4	6.9	1	10	3.3× / 1.2
Exercises · Bering Seasurge	4	6	0	—	5.0× / 0.8
Wrecks · Arabian Seasurgelong running	3	171.5	7	500	5.0× / 0.6
Nav aids · Gulf of Mexicolong running	3	138.7	5	1,027	1.4× / 2.2
Exercises · South China Sea	3	130.4	3	46	0.7× / 4.6
Surveys · North Atlantic Ocean	3	92.3	3	89	0.8× / 4
Nav aids · Celtic Seasurgelong running	3	87.3	2	675	2.5× / 1.2
Nav aids · Irish Sea and St. George's Channel	3	64.6	2	127	1.1× / 2.8
Incidents · Gulf of Mexico	3	56.7	0	—	1.9× / 1.6
Exercises · Arabian Sea	3	47	1	34	0.9× / 3.4
Exercises · Laccadive Sea	3	44	1	38	0.9× / 3.4
Exercises · Gulf of Mexico	3	38.4	0	—	1.5× / 2
Missiles · South Atlantic Oceansurge	3	35.5	1	19	3.0× / 1
Missiles · North Pacific Ocean	3	31.7	1	37	0.4× / 7
Incidents · East Siberian Seanew	3	27.5	1	27	new / 0
Exercises · Coral Sea	3	12	0	—	1.5× / 2
Nav aids · South Pacific Ocean	3	11.1	1	16	1.3× / 2.4
Quakes · Philippine Sea	3	9	0	—	0.8× / 3.8
Quakes · South Atlantic Oceansurge	3	9	0	—	2.5× / 1.2
Derelicts · Gulf of Mexicosurge	3	8.1	1	13	15× / 0.2
Exercises · Mediterranean Sea - Eastern Basin	3	7.5	1	17	1.1× / 2.6
Derelicts · North Seanew	3	4.9	0	—	new / 0
Nav aids · Arabian Sealong running	2	162	5	1,178	5.0× / 0.4
Surveys · Kara Sea	2	146.2	5	39	5.0× / 0.4
Wrecks · North Sealong running	2	83.8	4	538	3.3× / 0.6
Nav aids · Coral Sea	2	71.4	2	135	0.6× / 3.2
Wrecks · South China Seanew	2	65.8	2	111	new / 0
Wrecks · North Atlantic Oceanlong running	2	43.3	2	1,058	10× / 0.2
Cable ops · Philippine Sea	2	39.7	2	19	5.0× / 0.4
Spills · North Pacific Ocean	2	36	1	33	1.1× / 1.8
Nav aids · Gulf of Alaska	2	35.6	1	53	1.0× / 2
Incidents · Mediterranean Sea - Western Basin	2	34.8	2	19	5.0× / 0.4
Spills · The Coastal Waters of Southeast Alaska and British Columbia	2	28	0	—	3.3× / 0.6
Incidents · Coral Sea	2	18.5	0	—	0.6× / 3.2
Incidents · Flores Seanew	2	14.3	1	14	new / 0
Piracy · Gulf of Guinea	2	12.8	0	—	5.0× / 0.4
Derelicts · North Atlantic Ocean	2	12.3	2	11	0.7× / 3
Missiles · Barentsz Sea	2	10.4	0	—	0.8× / 2.4
Incidents · Laccadive Sea	2	10	0	—	3.3× / 0.6
Incidents · Java Sea	2	8.2	0	—	10× / 0.2
Quakes · Bismarck Sea	2	6.6	0	—	1.3× / 1.6
Exercises · Baltic Sea	2	6.5	0	—	1.3× / 1.6
Containers · North Atlantic Ocean	2	6	0	—	2.5× / 0.8
Containers · Arafura Seanew	2	5.8	1	7	new / 0
Nav aids · The Coastal Waters of Southeast Alaska and British Columbia	2	5.4	0	—	1.7× / 1.2
Quakes · Indian Ocean	2	5.1	1	29	0.8× / 2.4
Derelicts · Indian Ocean	2	2.8	0	—	0.6× / 3.6
Surveys · Celtic Seanew	2	2.7	1	3	new / 0
Incidents · Davis Strait	2	0.7	0	—	1.7× / 1.2
Incidents · Arafura Sea	2	0.3	0	—	10× / 0.2
Cable ops · South China Sea	1	295.5	10	101	0.2× / 4.8
Nav aids · Caribbean Sealong running	1	287.2	9	462	new / 0
Cable ops · Kara Sea	1	199.9	6	281	1.3× / 0.8
Surveys · Beaufort Sealong running	1	154	5	1,481	5.0× / 0.2
Other · South China Sealong running	1	103.4	3	375	1.3× / 0.8
Surveys · South China Sea	1	73.8	3	61	2.5× / 0.4
Nav aids · Gulf of Californialong running	1	71	3	473	2.5× / 0.4
Nav aids · English Channellong running	1	66	2	878	0.6× / 1.8
Nav aids · Laccadive Sealong running	1	65	2	492	new / 0
Other · North Pacific Oceanlong running	1	63.3	2	867	5.0× / 0.2
Cable ops · Sea of Okhotsk	1	62	2	102	1.7× / 0.6
Derelicts · South Pacific Oceanlong running	1	46	1	795	0.5× / 2.2
Wrecks · South Pacific Ocean	1	40.3	2	336	new / 0
Other · North Atlantic Ocean	1	35.7	1	293	1.3× / 0.8
Nav aids · Bass Straitlong running	1	33.8	1	517	2.5× / 0.4
Surveys · North Pacific Ocean	1	28.7	1	28	2.5× / 0.4
Cable ops · Gulf of Thailand	1	27.4	1	27	5.0× / 0.2
Other · Gulf of Thailand	1	26.5	1	26	new / 0
Surveys · Inner Seas off the West Coast of Scotland	1	25.4	0	—	new / 0
Surveys · Baltic Sea	1	23.2	0	—	new / 0
Wrecks · Solomon Sea	1	20.7	1	20	new / 0
Surveys · Labrador Sea	1	20.2	0	—	new / 0
Wrecks · Bay of Bengal	1	19.4	1	19	new / 0
Exercises · Caribbean Sea	1	15.8	0	—	5.0× / 0.2
Cable ops · Bay of Bengal	1	13.3	1	157	new / 0
Piracy · South China Sea	1	11.8	0	—	0.4× / 2.4
Cable ops · Sea of Marmara	1	9.4	0	—	new / 0
Other · Mediterranean Sea - Western Basin	1	8.9	0	—	new / 0
Missiles · Laccadive Sea	1	8.7	0	—	2.5× / 0.4
Other · Bay of Biscay	1	8.3	0	—	new / 0
Derelicts · Arabian Sea	1	5.4	0	—	1.7× / 0.6
Exercises · Andaman or Burma Sea	1	5.1	0	—	1.3× / 0.8
Quakes · Solomon Sea	1	4.7	0	—	1.3× / 0.8
Other · Arabian Sea	1	4.4	0	—	1.7× / 0.6
Cable ops · Inner Seas off the West Coast of Scotland	1	4	1	3	5.0× / 0.2
Quakes · Banda Sea	1	3	0	—	1.3× / 0.8
Quakes · Bering Sea	1	3	0	—	new / 0
Quakes · Coral Sea	1	3	0	—	0.3× / 4
Quakes · Eastern China Sea	1	3	0	—	new / 0
Quakes · Gulf of California	1	3	0	—	1.3× / 0.8
Debris · Kara Sea	1	3	0	—	new / 0
Quakes · Mediterranean Sea - Western Basin	1	3	0	—	new / 0
Other · Mozambique Channel	1	3	0	—	new / 0
Debris · North Atlantic Ocean	1	3	0	—	5.0× / 0.2
Quakes · Aegean Sea	1	2.8	1	2	new / 0
Exercises · Celebes Sea	1	2.7	0	—	new / 0
Structures · Gulf of Suez	1	2.5	0	—	new / 0
Exercises · Indian Ocean	1	2.1	0	—	0.6× / 1.8
Surveys · Philippine Sea	1	2.1	0	—	2.5× / 0.4
Derelicts · Java Sea	1	2	0	—	new / 0
Piracy · Indian Ocean	1	1.3	0	—	2.5× / 0.4
Surveys · English Channel	1	1.2	0	—	new / 0
Nav aids · Great Australian Bight	1	1.2	0	—	0.8× / 1.2
Exercises · Gulf of Alaska	1	1.1	0	—	new / 0
Missiles · Japan Sea	1	1.1	0	—	1.7× / 0.6
Nav aids · Tasman Sea	1	0.8	0	—	0.5× / 2
Incidents · Banda Sea	1	0.7	0	—	new / 0
Incidents · Gulf of Thailand	1	0.5	0	—	2.5× / 0.4
Incidents · Labrador Sea	1	0.3	0	—	1.7× / 0.6
Incidents · The Northwestern Passages	1	0.2	0	—	1.7× / 0.6
Incidents · Timor Sea	1	0.1	0	—	new / 0
Surveys · Arctic Oceanlong running	0	155	5	1,406	0.0× / 1
Structures · North Sealong running	0	124	4	1,112	0.0× / 0.2
Nav aids · South China Sealong running	0	124	4	1,112	0.0× / 0.2
Restricted · North Sealong running	0	94.4	3	1,105	0.0× / 1.2
Cable ops · Norwegian Sea	0	94.4	2	66	0.0× / 2.2
Cable ops · Persian Gulf	0	93	3	303	0.0× / 2
Wrecks · Persian Gulflong running	0	93	3	629	0.0× / 0.6
Surveys · The Northwestern Passageslong running	0	93	3	755	0.0× / 2.4
Exercises · Aegean Sea	0	89.5	2	241	— / 0
Other · Indian Ocean	0	63.4	2	203	0.0× / 0.6
Towing · Barentsz Sea	0	62	2	83	— / 0
Nav aids · Bay of Bengal	0	62	2	177	0.0× / 1
Surveys · Black Sea	0	62	2	78	0.0× / 1.2
Surveys · Caribbean Sea	0	62	2	67	0.0× / 0.2
Exercises · Ionian Sea	0	62	2	241	0.0× / 0.2
Nav aids · Kara Sealong running	0	62	2	1,089	— / 0
War risk · Mediterranean Sea - Eastern Basinlong running	0	62	2	1,194	— / 0
Other · North Sealong running	0	62	2	718	0.0× / 0.8
Nav aids · Persian Gulflong running	0	62	2	417	— / 0
Volcanic · Philippine Sealong running	0	62	2	854	— / 0
Nav aids · Sea of Okhotsklong running	0	62	2	985	0.0× / 0.4
Nav aids · Singapore Straitlong running	0	62	2	398	— / 0
Nav aids · Southern Ocean	0	62	2	282	— / 0
Cable ops · Barentsz Sea	0	56	1	144	0.0× / 0.6
Cable ops · Gulf of Mexico	0	51	1	212	0.0× / 1.4
Cable ops · Black Sea	0	33.4	0	—	0.0× / 1
Other · South Atlantic Ocean	0	33.4	1	300	0.0× / 0.6
Missiles · Aegean Sea	0	31	1	241	— / 0
Nav aids · Andaman or Burma Sea	0	31	1	145	0.0× / 0.2
Structures · Arabian Sea	0	31	1	39	— / 0
Surveys · Arabian Sealong running	0	31	1	527	— / 0
Towing · Arctic Ocean	0	31	1	32	— / 0
Wrecks · Arctic Oceanlong running	0	31	1	373	0.0× / 0.2
Cable ops · Baltic Sea	0	31	1	60	— / 0
Surveys · Barentsz Sea	0	31	1	65	0.0× / 0.4
Wrecks · Barentsz Sea	0	31	1	130	— / 0
Surveys · Bering Sea	0	31	1	58	0.0× / 0.2
Mines · Black Sealong running	0	31	1	429	— / 0
Ordnance · Black Sealong running	0	31	1	429	— / 0
Restricted · Black Sealong running	0	31	1	452	0.0× / 0.2
Cable ops · Caribbean Sea	0	31	1	106	0.0× / 1.2
Other · Caribbean Sea	0	31	1	254	— / 0
Surveys · Chukchi Sealong running	0	31	1	636	— / 0
Surveys · Coral Sea	0	31	1	312	— / 0
Wrecks · Coral Sea	0	31	1	277	— / 0
Nav aids · Eastern China Sealong running	0	31	1	929	— / 0
Wrecks · Eastern China Sea	0	31	1	303	— / 0
Wrecks · English Channel	0	31	1	39	0.0× / 0.2
Cable ops · Gulf of Guinea	0	31	1	43	0.0× / 1
Ordnance · Inner Seas off the West Coast of Scotlandlong running	0	31	1	450	— / 0
Wrecks · Inner Seas off the West Coast of Scotland	0	31	1	123	— / 0

Cite: seahazards.com Sea Ledger, 2014-08, 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.