Sea Ledger, March 2006

2006-03-01 to 2006-03-31 · archive

issued: 338
warning-days in force: 10,133
in force at month end: 337
sea × type cells: 217

baseline: same month, previous 5 years (2005-03, 2004-03, 2003-03, 2002-03, 2001-03)

By type

type	issued	warning-days	in force at end
Exercises	79	1,063.5	36
Nav aids	52	3,045.8	98
Quakes	40	112.2	3
Cable ops	38	941.4	31
Incidents	35	968.7	31
Surveys	21	883.3	34
Derelicts	18	121.3	8
Other	11	626.4	20
Restricted	7	194.9	6
Containers	7	57.1	1
Icebergs	6	46.9	1
Spills	6	83	2
Wrecks	4	1,470.2	47
Ordnance	4	173.3	7
Volcanic	3	79.2	4
Missiles	3	64.2	2
Debris	3	74.8	2
Piracy	1	64.4	2
Structures	0	62	2

By sea and type · 200 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Exercises · Laccadive Sea	11	65.3	2	31	2.0× / 5.6
Quakes · South Pacific Ocean	11	28.1	2	33	1.2× / 9.2
Exercises · Aegean Seasurge	9	287	9	94	4.5× / 2
Exercises · North Pacific Ocean	9	87	1	67	2.0× / 4.6
Exercises · Bay of Bengal	9	30.5	2	31	1.6× / 5.8
Exercises · North Atlantic Ocean	8	63.1	3	71	1.2× / 6.6
Cable ops · South Atlantic Ocean	8	57.3	2	46	0.3× / 31.8
Nav aids · Inner Seas off the West Coast of Scotland	6	152	5	295	1.8× / 3.4
Incidents · North Pacific Ocean	6	88.2	3	71	0.9× / 6.8
Exercises · Mediterranean Sea - Eastern Basin	6	31.8	0	—	1.8× / 3.4
Cable ops · North Seasurge	6	19.8	1	20	2.1× / 2.8
Incidents · South Atlantic Ocean	5	64.3	3	35	1.1× / 4.6
Exercises · South Atlantic Oceansurge	5	51.5	3	49	2.5× / 2
Derelicts · Arafura Seasurge	5	23.8	2	21	6.3× / 0.8
Quakes · Philippine Seasurge	5	12.1	1	30	2.8× / 1.8
Nav aids · Arabian Seasurgelong running	4	340.9	11	590	20× / 0.2
Nav aids · North Sealong running	4	306.6	9	500	1.1× / 3.8
Nav aids · Laccadive Seanew	4	125.2	5	94	new / 0
Incidents · Philippine Sea	4	96.3	3	59	0.6× / 6.6
Cable ops · Mediterranean Sea - Eastern Basin	4	89.9	2	73	1.4× / 2.8
Restricted · North Atlantic Oceansurge	4	88.7	2	158	20× / 0.2
Exercises · Yellow Seasurge	4	60.6	2	34	6.7× / 0.6
Containers · North Atlantic Oceansurge	4	30.8	1	33	2.9× / 1.4
Icebergs · Southern Ocean	4	29.5	0	—	1.8× / 2.2
Exercises · South Pacific Oceansurge	4	18.4	0	—	2.5× / 1.6
Exercises · Arabian Sea	4	16.4	1	31	1.3× / 3.2
Quakes · North Atlantic Oceansurge	4	12	0	—	4.0× / 1
Cable ops · Bay of Bengal	3	248.7	9	115	1.3× / 2.4
Incidents · South Pacific Ocean	3	179.3	2	66	0.3× / 8.6
Nav aids · Mozambique Channelsurge	3	147.2	5	353	3.8× / 0.8
Ordnance · North Seasurge	3	107	5	287	15× / 0.2
Incidents · South China Sea	3	78.9	4	34	1.0× / 3
Incidents · Indian Ocean	3	69.7	3	349	0.6× / 5.4
Nav aids · Mediterranean Sea - Western Basin	3	55.6	3	35	1.9× / 1.6
Surveys · Mediterranean Sea - Eastern Basin	3	21.8	2	30	1.4× / 2.2
Surveys · Tyrrhenian Seasurge	3	21.2	3	18	3.8× / 0.8
Cable ops · English Channel	3	18.6	1	17	1.5× / 2
Derelicts · Celtic Seasurge	3	17.8	1	18	7.5× / 0.4
Volcanic · South Pacific Oceannew	3	17.2	2	11	new / 0
Debris · North Atlantic Oceansurge	3	12.8	0	—	3.0× / 1
Quakes · Banda Sea	3	9	0	—	1.1× / 2.6
Quakes · Bismarck Seasurge	3	9	0	—	5.0× / 0.6
Quakes · Indian Ocean	3	9	0	—	0.6× / 5
Quakes · South Atlantic Ocean	3	9	0	—	1.7× / 1.8
Surveys · North Atlantic Oceansurge	3	4.3	0	—	2.5× / 1.2
Other · North Seasurge	3	2.3	1	18	2.5× / 1.2
Nav aids · Bay of Bengallong running	2	352.4	12	401	5.0× / 0.4
Nav aids · English Channel	2	169.9	6	329	0.6× / 3.6
Nav aids · South Pacific Ocean	2	141.1	5	85	1.1× / 1.8
Exercises · Japan Sea	2	75.3	2	34	1.3× / 1.6
Cable ops · Arabian Sea	2	72.6	4	65	0.6× / 3.2
Nav aids · Gulf of Suez	2	69.9	2	186	10× / 0.2
Missiles · North Pacific Ocean	2	62	2	60	0.4× / 5.4
Incidents · Coral Sea	2	58.1	1	70	0.6× / 3.6
Surveys · Persian Gulf	2	56.4	2	37	5.0× / 0.4
Incidents · Laccadive Sea	2	48.5	3	62	10× / 0.2
Nav aids · Irish Sea and St. George's Channel	2	48.4	1	290	0.9× / 2.2
Exercises · Mediterranean Sea - Western Basin	2	47.6	1	79	0.6× / 3.2
Other · Mediterranean Sea - Eastern Basin	2	46.9	0	—	1.3× / 1.6
Spills · North Atlantic Ocean	2	36	0	—	0.7× / 3
Nav aids · Coral Sealong running	2	33.1	1	635	0.6× / 3.4
Incidents · Bay of Bengal	2	25.7	1	24	5.0× / 0.4
Wrecks · Arafura Seanew	2	21.7	1	20	new / 0
Derelicts · Indian Ocean	2	20.4	1	61	10× / 0.2
Icebergs · South Atlantic Ocean	2	17.4	1	33	0.5× / 4
Exercises · Black Sea	2	13.2	2	32	0.3× / 6.6
Derelicts · North Atlantic Ocean	2	10.8	2	33	1.3× / 1.6
Derelicts · Gulf of Adennew	2	9.2	0	—	new / 0
Quakes · Coral Sea	2	6	0	—	2.5× / 0.8
Quakes · Solomon Sea	2	6	0	—	1.3× / 1.6
Quakes · Southern Ocean	2	6	0	—	5.0× / 0.4
Nav aids · Gulf of Alaskanew	2	3.4	0	—	new / 0
Surveys · Ionian Sea	2	2.9	1	18	10× / 0.2
Surveys · English Channel	2	2.3	0	—	1.0× / 2
Nav aids · Indian Ocean	2	0.9	0	—	3.3× / 0.6
Nav aids · Caribbean Sea	1	175.1	6	291	2.5× / 0.4
Exercises · Ionian Sea	1	124.5	5	94	0.8× / 1.2
Nav aids · Andaman or Burma Sea	1	96.1	3	149	2.5× / 0.4
Nav aids · Gulf of Mexico	1	93	3	354	2.5× / 0.4
Cable ops · Persian Gulf	1	84.5	2	93	1.7× / 0.6
Nav aids · Mediterranean Sea - Eastern Basinlong running	1	77.1	2	588	2.5× / 0.4
Nav aids · Malacca Strait	1	71.1	2	183	new / 0
Cable ops · North Atlantic Ocean	1	69.2	2	137	0.7× / 1.4
Cable ops · Gulf of Thailand	1	61.7	2	112	new / 0
Cable ops · South China Sea	1	46	1	157	0.6× / 1.6
Surveys · South Atlantic Ocean	1	44	2	41	0.2× / 5.4
Nav aids · Tyrrhenian Sealong running	1	38.8	1	498	0.6× / 1.6
Derelicts · Arabian Sea	1	34.4	1	34	5.0× / 0.2
Exercises · Persian Gulf	1	32.5	2	38	1.0× / 1
Nav aids · Celtic Sea	1	31.9	1	113	0.7× / 1.4
Incidents · Mediterranean Sea - Eastern Basin	1	31.8	2	346	0.2× / 4.6
Restricted · North Sea	1	31.7	1	108	new / 0
Cable ops · Laccadive Sea	1	31	1	72	1.0× / 1
Cable ops · South Pacific Ocean	1	31	1	61	0.5× / 2.2
Nav aids · Southern Ocean	1	30.5	1	123	5.0× / 0.2
Other · Gulf of Suez	1	28.6	1	28	new / 0
Surveys · Gulf of Guinea	1	27.8	1	27	2.5× / 0.4
Incidents · Adriatic Sea	1	25.4	1	25	5.0× / 0.2
Cable ops · Black Sea	1	18.4	1	18	5.0× / 0.2
Cable ops · Red Sea	1	17.5	1	17	new / 0
Exercises · Sea of Marmara	1	17.4	1	36	new / 0
Surveys · Indian Ocean	1	16.6	1	31	1.3× / 0.8
Spills · Gulf of Mexico	1	16	0	—	0.6× / 1.8
Spills · North Pacific Ocean	1	16	1	37	1.7× / 0.6
Spills · The Coastal Waters of Southeast Alaska and British Columbia	1	14	0	—	5.0× / 0.2
Surveys · Sea of Marmara	1	13.5	1	13	new / 0
Surveys · Bass Strait	1	12.3	0	—	2.5× / 0.4
Incidents · Gulf of Aden	1	10.5	1	10	5.0× / 0.2
Wrecks · Tyrrhenian Sea	1	10.3	1	10	new / 0
Cable ops · Caribbean Sea	1	10	0	—	new / 0
Cable ops · Bass Strait	1	9.7	0	—	1.7× / 0.6
Surveys · North Sea	1	9.2	0	—	0.4× / 2.4
Other · Indian Ocean	1	8.7	1	8	new / 0
Containers · Celtic Sea	1	8.6	0	—	new / 0
Other · Norwegian Sea	1	8.2	1	8	new / 0
Cable ops · Malacca Strait	1	8.1	0	—	new / 0
Exercises · Adriatic Sea	1	6.6	0	—	0.8× / 1.2
Containers · South Atlantic Ocean	1	6.6	0	—	2.5× / 0.4
Other · Adriatic Sea	1	6.1	0	—	new / 0
Containers · Tyrrhenian Sea	1	6.1	0	—	5.0× / 0.2
Incidents · Great Australian Bight	1	4.7	0	—	5.0× / 0.2
Other · Eastern China Sea	1	4.4	1	4	new / 0
Ordnance · Yellow Sea	1	4.3	0	—	new / 0
Derelicts · Caribbean Sea	1	3.9	1	3	5.0× / 0.2
Wrecks · Malacca Strait	1	3.5	1	3	5.0× / 0.2
Cable ops · Indian Ocean	1	3.4	0	—	2.5× / 0.4
Restricted · Mediterranean Sea - Western Basin	1	3.3	1	3	new / 0
Quakes · North Pacific Ocean	1	3	0	—	0.2× / 5
Quakes · Persian Gulf	1	3	0	—	new / 0
Other · Caribbean Sea	1	2.9	1	2	new / 0
Nav aids · Great Australian Bight	1	2.7	0	—	2.5× / 0.4
Piracy · South China Sea	1	2.4	0	—	new / 0
Missiles · South Pacific Ocean	1	2.2	0	—	0.7× / 1.4
Nav aids · The Coastal Waters of Southeast Alaska and British Columbia	1	1.1	0	—	new / 0
Spills · Bering Sea	1	1	1	1	new / 0
Nav aids · Philippine Sea	1	1	0	—	new / 0
Restricted · Tyrrhenian Sea	1	0.6	0	—	new / 0
Nav aids · Bass Strait	1	0.5	0	—	1.7× / 0.6
Derelicts · English Channel	1	0.5	0	—	new / 0
Derelicts · South Atlantic Ocean	1	0.5	0	—	0.4× / 2.8
Incidents · Arabian Sea	1	0.2	1	0	1.7× / 0.6
Wrecks · North Sealong running	0	186	6	525	0.0× / 0.4
Wrecks · Arabian Sealong running	0	155	5	577	— / 0
Surveys · Baffin Baylong running	0	155	5	911	— / 0
Nav aids · North Pacific Oceanlong running	0	155	5	587	0.0× / 0.2
Wrecks · Mediterranean Sea - Eastern Basinlong running	0	146.6	4	641	0.0× / 0.2
Nav aids · South Atlantic Oceanlong running	0	126.2	4	475	0.0× / 4.6
Surveys · Arabian Sealong running	0	124	4	377	0.0× / 0.6
Wrecks · South China Sealong running	0	124	4	580	— / 0
Other · North Pacific Ocean	0	123.3	3	80	0.0× / 3.6
Other · Persian Gulf	0	114.7	3	170	0.0× / 0.2
Surveys · Arctic Oceanlong running	0	93	3	813	— / 0
Surveys · Beaufort Sealong running	0	93	3	813	— / 0
Wrecks · English Channel	0	93	3	297	— / 0
Wrecks · Irish Sea and St. George's Channellong running	0	93	3	571	0.0× / 0.4
Incidents · North Atlantic Ocean	0	62.6	2	75	0.0× / 5.4
Other · Arabian Sea	0	62	2	105	— / 0
Wrecks · Caribbean Sealong running	0	62	2	436	— / 0
Wrecks · Mozambique Channel	0	62	2	45	— / 0
Wrecks · North Atlantic Ocean	0	62	2	78	0.0× / 0.2
Piracy · Persian Gulflong running	0	62	2	416	— / 0
Nav aids · Tasman Sealong running	0	62	2	586	0.0× / 1.4
Wrecks · Yellow Sealong running	0	62	2	653	— / 0
Nav aids · North Atlantic Ocean	0	60.5	1	73	0.0× / 2.4
Nav aids · Red Sealong running	0	45.6	1	606	0.0× / 0.2
Wrecks · Coral Sea	0	39.7	1	119	— / 0
Wrecks · Andaman or Burma Sea	0	31	1	175	— / 0
Ordnance · Arabian Sea	0	31	1	83	0.0× / 0.4
Debris · Arctic Oceanlong running	0	31	1	465	— / 0
Ordnance · Bay of Bengal	0	31	1	87	— / 0
Other · Bay of Bengallong running	0	31	1	367	0.0× / 0.6
Surveys · Bay of Bengal	0	31	1	37	0.0× / 0.6
Surveys · Chukchi Sea	0	31	1	346	— / 0
Incidents · Eastern China Sea	0	31	1	35	0.0× / 0.4
Surveys · Greenland Sealong running	0	31	1	1,129	— / 0
Other · Gulf of Mexico	0	31	1	130	— / 0
Structures · Gulf of Mexico	0	31	1	86	— / 0
Wrecks · Gulf of Mexico	0	31	1	185	0.0× / 0.2
Restricted · Indian Ocean	0	31	1	341	— / 0
Wrecks · Indian Oceanlong running	0	31	1	480	— / 0
Wrecks · Kattegat	0	31	1	132	— / 0
Surveys · Laccadive Sea	0	31	1	81	— / 0
Other · Mozambique Channel	0	31	1	94	— / 0
Debris · North Pacific Ocean	0	31	1	289	0.0× / 0.4
Surveys · North Pacific Ocean	0	31	1	242	— / 0
Volcanic · North Pacific Ocean	0	31	1	83	— / 0
Wrecks · North Pacific Ocean	0	31	1	85	— / 0
Nav aids · Persian Gulf	0	31	1	37	0.0× / 0.4
Restricted · Persian Gulf	0	31	1	121	— / 0
Structures · Persian Gulflong running	0	31	1	529	— / 0
Wrecks · Persian Gulf	0	31	1	82	0.0× / 0.4
Volcanic · Philippine Sea	0	31	1	36	— / 0
Wrecks · Red Sea	0	31	1	137	— / 0
Wrecks · Singapore Straitlong running	0	31	1	676	— / 0
Other · South Atlantic Ocean	0	31	1	58	0.0× / 1
Wrecks · South Atlantic Oceanlong running	0	31	1	383	0.0× / 0.8
Other · South Pacific Ocean	0	31	1	39	0.0× / 1
Surveys · South Pacific Ocean	0	31	1	72	0.0× / 0.2
Wrecks · South Pacific Oceanlong running	0	31	1	670	— / 0
Cable ops · Tasman Sea	0	31	1	61	0.0× / 0.4

Cite: seahazards.com Sea Ledger, 2006-03, 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.