Sea Ledger, February 2014

2014-02-01 to 2014-02-28 · archive

issued: 499
warning-days in force: 8,377
in force at month end: 293
sea × type cells: 219

baseline: same month, previous 5 years (2013-02, 2012-02, 2011-02, 2010-02, 2009-02)

By type

type	issued	warning-days	in force at end
Incidents	104	1,055	32
Exercises	81	723.9	23
Nav aids	73	2,304.1	80
Cable ops	59	1,161.3	43
Surveys	36	876.1	34
Icebergs	35	51.4	2
Quakes	25	74.1	1
Containers	17	52.2	1
Derelicts	14	67.2	1
Other	12	503.2	21
Spills	12	176	8
Missiles	11	97	3
Debris	10	26.8	1
Piracy	5	42.2	1
Wrecks	4	599.1	21
Ordnance	1	147	6
Restricted	0	196	7
Mines	0	28	1
War risk	0	56	2
Structures	0	84	3
Volcanic	0	56	2

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	40	222.5	9	87	1.3× / 31.8
Icebergs · Labrador Seasurge	28	30.4	2	29	3.3× / 8.4
Incidents · North Pacific Ocean	23	105.1	1	53	1.6× / 14.2
Incidents · South China Sea	16	108.6	6	49	1.9× / 8.6
Nav aids · North Sealong running	15	352	11	454	1.4× / 10.8
Exercises · North Pacific Ocean	14	58.1	2	35	1.4× / 10.2
Exercises · Yellow Seasurge	13	111.7	3	30	2.2× / 5.8
Containers · English Channelnew	13	40.2	1	16	new / 0
Surveys · Southern Oceansurge	13	14.9	1	28	65× / 0.2
Incidents · North Atlantic Ocean	12	263.7	8	49	1.3× / 9.4
Surveys · South Atlantic Oceansurgelong running	12	160.7	5	401	4.3× / 2.8
Nav aids · South Atlantic Oceansurgelong running	9	466.7	16	1,073	2.3× / 4
Exercises · Bay of Bengal	9	68	3	45	1.7× / 5.4
Exercises · Black Seasurge	9	65.6	2	52	9.0× / 1
Incidents · Mediterranean Sea - Eastern Basinsurge	9	29.4	4	23	11× / 0.8
Exercises · Gulf of Mexicosurge	7	20.9	0	—	5.8× / 1.2
Nav aids · English Channelsurgelong running	6	107.3	4	694	2.3× / 2.6
Incidents · South Atlantic Ocean	6	50.3	0	—	1.3× / 4.8
Quakes · South Pacific Ocean	6	18	0	—	0.3× / 19.8
Exercises · Mediterranean Sea - Eastern Basinsurge	6	11.4	1	25	2.5× / 2.4
Nav aids · North Atlantic Ocean	5	147.5	6	331	1.0× / 5.2
Incidents · Gulf of Mexicosurge	5	103.9	5	53	6.3× / 0.8
Incidents · Indian Ocean	5	45.5	1	30	1.1× / 4.6
Exercises · Philippine Seasurge	5	42.4	1	28	2.1× / 2.4
Nav aids · Bass Strait	5	29.2	1	333	1.5× / 3.4
Derelicts · North Atlantic Ocean	5	9.8	0	—	1.0× / 4.8
Exercises · South Atlantic Ocean	4	31.6	1	34	1.1× / 3.8
Other · Mediterranean Sea - Eastern Basinsurge	4	27.1	2	22	20× / 0.2
Nav aids · Irish Sea and St. George's Channel	4	22.6	0	—	1.7× / 2.4
Nav aids · Bristol Channelsurge	4	15.1	1	27	5.0× / 0.8
Missiles · North Atlantic Ocean	4	14.6	0	—	1.2× / 3.4
Quakes · Coral Sea	4	12	0	—	0.3× / 14.4
Quakes · Indian Oceansurge	4	12	0	—	2.9× / 1.4
Icebergs · Southern Oceansurge	4	11.6	0	—	2.9× / 1.4
Incidents · Bismarck Seasurge	4	8.7	0	—	20× / 0.2
Incidents · South Pacific Ocean	4	8.3	0	—	0.7× / 5.4
Exercises · Aegean Seasurge	3	96.6	2	57	3.0× / 1
Cable ops · North Seasurge	3	90.9	3	96	3.8× / 0.8
Nav aids · Inner Seas off the West Coast of Scotland	3	88.5	3	239	1.0× / 3
Cable ops · Gulf of Guineasurge	3	88.4	5	92	15× / 0.2
Incidents · Laccadive Seasurge	3	80.7	1	64	3.8× / 0.8
Cable ops · Mediterranean Sea - Eastern Basin	3	66.5	2	35	1.7× / 1.8
Exercises · North Atlantic Ocean	3	45.8	1	30	1.7× / 1.8
Missiles · North Pacific Ocean	3	39.9	1	58	0.5× / 6.2
Exercises · Arabian Sea	3	37.7	3	29	0.5× / 5.6
Spills · Gulf of Mexico	3	36	3	30	0.7× / 4.4
Spills · North Atlantic Oceansurge	3	34	2	28	2.5× / 1.2
Incidents · Ionian Seanew	3	18.1	0	—	new / 0
Cable ops · Balearic (Iberian Sea)new	3	10.5	0	—	new / 0
Quakes · Southern Oceansurge	3	9	0	—	5.0× / 0.6
Incidents · Philippine Seasurge	3	8.3	0	—	3.0× / 1
Debris · North Seanew	3	7	0	—	new / 0
Derelicts · Philippine Seasurge	3	6.4	0	—	15× / 0.2
Nav aids · Great Australian Bight	3	1.2	0	—	1.3× / 2.4
Nav aids · Tasman Seasurge	3	1	0	—	2.5× / 1.2
Nav aids · Caribbean Sea	2	79.7	3	278	5.0× / 0.4
Incidents · Caribbean Sea	2	61.8	2	43	1.0× / 2
Cable ops · Bay of Bengal	2	60.1	3	39	0.8× / 2.4
Nav aids · Indian Ocean	2	59.1	2	253	1.3× / 1.6
Nav aids · North Pacific Oceanlong running	2	58.2	2	449	0.8× / 2.4
Other · North Atlantic Ocean	2	44.8	3	109	5.0× / 0.4
Incidents · Mozambique Channel	2	36.6	1	43	1.7× / 1.2
Nav aids · Mediterranean Sea - Western Basin	2	34.8	1	99	2.5× / 0.8
Other · Indian Ocean	2	30.2	1	19	10× / 0.2
Spills · North Pacific Ocean	2	28	1	39	3.3× / 0.6
Spills · The Coastal Waters of Southeast Alaska and British Columbia	2	22	1	18	5.0× / 0.4
Piracy · Gulf of Guinea	2	18.9	0	—	1.4× / 1.4
Surveys · North Atlantic Ocean	2	13.5	2	50	10× / 0.2
Nav aids · Ionian Sea	2	11.7	0	—	10× / 0.2
Debris · South Pacific Ocean	2	7.2	0	—	3.3× / 0.6
Missiles · South Pacific Ocean	2	6.1	0	—	2.0× / 1
Containers · North Atlantic Ocean	2	6	0	—	3.3× / 0.6
Icebergs · South Atlantic Ocean	2	6	0	—	1.0× / 2
Incidents · Coral Sea	2	0.1	0	—	0.8× / 2.6
Nav aids · Gulf of Mexicolong running	1	175.4	6	843	0.4× / 2.6
Cable ops · Gulf of Mexico	1	150	5	70	0.8× / 1.2
Other · South Atlantic Ocean	1	134.5	5	116	0.8× / 1.2
Wrecks · Persian Gulflong running	1	116	4	445	new / 0
Surveys · Arabian Sealong running	1	106.5	4	421	2.5× / 0.4
Wrecks · Arabian Sea	1	69.4	3	316	1.7× / 0.6
Nav aids · Laccadive Sea	1	44.5	2	308	5.0× / 0.2
Derelicts · South Pacific Oceanlong running	1	31	1	611	2.5× / 0.4
Exercises · Laccadive Sea	1	30	1	30	0.3× / 3.2
Exercises · South China Sea	1	28.9	1	28	0.4× / 2.6
Nav aids · Eastern China Sealong running	1	28.2	1	745	2.5× / 0.4
Wrecks · Coral Sea	1	28	1	93	new / 0
Cable ops · South Pacific Ocean	1	20.7	1	20	1.3× / 0.8
Surveys · Gulf of Guinea	1	20.4	1	20	2.5× / 0.4
Surveys · Black Sea	1	16.9	0	—	new / 0
Spills · Caribbean Sea	1	14	0	—	new / 0
Spills · Philippine Sea	1	14	0	—	5.0× / 0.2
Surveys · Gulf of Suez	1	13.2	1	57	2.5× / 0.4
Piracy · South China Sea	1	12.6	0	—	1.7× / 0.6
Cable ops · North Pacific Ocean	1	12.1	1	12	5.0× / 0.2
Surveys · Indian Ocean	1	11.9	1	37	new / 0
Wrecks · Mediterranean Sea - Western Basin	1	10.3	1	10	new / 0
Piracy · Indian Ocean	1	8.8	0	—	0.7× / 1.4
Exercises · Coral Sea	1	8.4	0	—	0.6× / 1.8
Incidents · Arabian Sea	1	8.2	1	42	1.0× / 1
Surveys · Persian Gulf	1	8.1	0	—	new / 0
Other · Celtic Sea	1	7.9	1	7	5.0× / 0.2
Ordnance · Laccadive Sea	1	7	1	6	new / 0
Other · Davis Strait	1	6.3	0	—	5.0× / 0.2
Exercises · South Pacific Ocean	1	5.7	0	—	0.2× / 4.2
Exercises · Baltic Sea	1	5.1	0	—	0.7× / 1.4
Missiles · Laccadive Sea	1	4.9	0	—	1.7× / 0.6
Cable ops · Philippine Sea	1	4.2	1	4	1.3× / 0.8
Cable ops · English Channel	1	4.1	1	4	1.3× / 0.8
Surveys · Gulf of Mexico	1	4	0	—	new / 0
Missiles · Arabian Sea	1	3.5	1	3	1.3× / 0.8
Quakes · Banda Sea	1	3	0	—	1.7× / 0.6
Derelicts · Bass Strait	1	3	0	—	new / 0
Containers · Celtic Sea	1	3	0	—	1.3× / 0.8
Nav aids · Coral Sea	1	3	0	—	0.3× / 3.8
Debris · English Channel	1	3	0	—	new / 0
Derelicts · Gulf of Aden	1	3	0	—	5.0× / 0.2
Debris · Gulf of Mexico	1	3	0	—	5.0× / 0.2
Icebergs · Hudson Strait	1	3	0	—	5.0× / 0.2
Containers · Indian Ocean	1	3	0	—	new / 0
Quakes · Ionian Sea	1	3	0	—	5.0× / 0.2
Quakes · North Atlantic Ocean	1	3	0	—	1.7× / 0.6
Derelicts · North Pacific Ocean	1	3	0	—	2.5× / 0.4
Debris · Persian Gulf	1	3	0	—	new / 0
Quakes · Savu Sea	1	3	0	—	new / 0
Quakes · Solomon Sea	1	3	0	—	0.6× / 1.8
Quakes · South Atlantic Ocean	1	3	0	—	1.0× / 1
Quakes · South China Sea	1	3	0	—	5.0× / 0.2
Derelicts · Tasman Sea	1	3	0	—	2.5× / 0.4
Incidents · Davis Strait	1	2.6	0	—	2.5× / 0.4
Nav aids · Bay of Bengal	1	2.5	1	2	1.7× / 0.6
Surveys · Celtic Sea	1	2.5	1	2	new / 0
Debris · Arafura Sea	1	2.1	1	2	5.0× / 0.2
Quakes · Bering Sea	1	2.1	1	2	new / 0
Debris · Bismarck Sea	1	1.5	0	—	new / 0
Incidents · Great Australian Bight	1	1.4	0	—	new / 0
Piracy · Arabian Sea	1	0.5	1	0	0.2× / 6
Derelicts · Celtic Sea	1	0.5	0	—	5.0× / 0.2
Surveys · South Pacific Ocean	1	0.5	1	0	5.0× / 0.2
Nav aids · Gulf of Alaska	1	0.4	0	—	0.3× / 3.4
Other · The Coastal Waters of Southeast Alaska and British Columbia	1	0.4	0	—	new / 0
Incidents · Arafura Sea	1	0.2	0	—	5.0× / 0.2
Incidents · Bass Strait	1	0.1	0	—	new / 0
Surveys · Arctic Oceanlong running	0	140	5	1,222	0.0× / 0.2
Surveys · Beaufort Sealong running	0	112	4	1,297	— / 0
Restricted · Black Sea	0	112	4	268	— / 0
Nav aids · Arabian Sealong running	0	84	3	994	— / 0
Nav aids · South China Sealong running	0	84	3	928	— / 0
Surveys · The Northwestern Passageslong running	0	84	3	571	— / 0
Cable ops · Andaman or Burma Sea	0	79	2	68	0.0× / 0.4
Cable ops · Mozambique Channel	0	61.1	1	121	0.0× / 1
Ordnance · Black Sea	0	56	2	245	— / 0
Nav aids · Gulf of California	0	56	2	289	— / 0
Exercises · Ionian Sea	0	56	2	57	— / 0
Nav aids · Kara Sealong running	0	56	2	905	— / 0
War risk · Mediterranean Sea - Eastern Basinlong running	0	56	2	1,010	— / 0
Other · North Pacific Oceanlong running	0	56	2	683	0.0× / 0.6
Ordnance · North Sealong running	0	56	2	828	0.0× / 0.2
Other · North Sealong running	0	56	2	534	0.0× / 1.2
Restricted · North Sealong running	0	56	2	921	— / 0
Structures · North Sealong running	0	56	2	928	0.0× / 0.6
Wrecks · North Sea	0	56	2	354	— / 0
Cable ops · Persian Gulf	0	56	2	119	0.0× / 0.6
Volcanic · Philippine Sealong running	0	56	2	670	0.0× / 0.6
Nav aids · Sea of Okhotsklong running	0	56	2	801	— / 0
Nav aids · Singapore Strait	0	56	2	214	— / 0
Cable ops · South China Sea	0	56	2	188	0.0× / 1
Nav aids · Southern Ocean	0	56	2	98	0.0× / 0.2
Surveys · Coral Sea	0	55	1	128	— / 0
Wrecks · South Atlantic Ocean	0	45.9	1	138	0.0× / 0.8
Cable ops · Indian Ocean	0	43	1	85	0.0× / 0.6
Other · Adriatic Sea	0	28	1	116	— / 0
Missiles · Aegean Sea	0	28	1	57	— / 0
Cable ops · Arabian Sea	0	28	1	52	0.0× / 1.8
Wrecks · Arctic Ocean	0	28	1	189	— / 0
Wrecks · Barentsz Sea	0	28	1	134	— / 0
Wrecks · Bay of Bengal	0	28	1	213	0.0× / 0.2
Surveys · Bering Sea	0	28	1	217	— / 0
Mines · Black Sea	0	28	1	245	— / 0
Other · Caribbean Sea	0	28	1	70	— / 0
Nav aids · Celtic Sealong running	0	28	1	491	0.0× / 2.2
Surveys · Chukchi Sealong running	0	28	1	452	— / 0
Wrecks · Eastern China Sea	0	28	1	119	— / 0
Other · English Channel	0	28	1	37	— / 0
Surveys · Gulf of California	0	28	1	60	0.0× / 0.2
Other · Gulf of Mexico	0	28	1	294	— / 0
Ordnance · Inner Seas off the West Coast of Scotland	0	28	1	266	— / 0
Wrecks · Irish Sea and St. George's Channel	0	28	1	28	0.0× / 0.2
Cable ops · Kara Sea	0	28	1	97	— / 0
Incidents · Ligurian Sea	0	28	1	43	— / 0
Cable ops · Makassar Strait	0	28	1	36	0.0× / 0.4
Nav aids · Mozambique Channel	0	28	1	140	0.0× / 0.2
Structures · North Atlantic Ocean	0	28	1	192	0.0× / 0.4
Wrecks · North Atlantic Oceanlong running	0	28	1	874	— / 0
Nav aids · Persian Gulf	0	28	1	233	— / 0
Wrecks · Philippine Sea	0	28	1	105	— / 0
Surveys · Sea of Marmara	0	28	1	28	0.0× / 0.2
Restricted · Sea of Okhotsklong running	0	28	1	869	— / 0
Spills · South Atlantic Oceanlong running	0	28	1	840	— / 0
Other · South China Sea	0	28	1	191	0.0× / 0.2
Nav aids · South Pacific Ocean	0	28	1	81	0.0× / 1.2

Cite: seahazards.com Sea Ledger, 2014-02, 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.