Sea Ledger, March 2000

2000-03-01 to 2000-03-31 · archive

issued: 402
warning-days in force: 5,846
in force at month end: 168
sea × type cells: 170

baseline: same month, previous 5 years (1999-03, 1998-03, 1997-03)

By type

type	issued	warning-days	in force at end
Cable ops	134	905.4	28
Nav aids	59	1,373.7	42
Incidents	51	522.8	16
Exercises	41	399.1	5
Quakes	29	95.2	1
Surveys	22	198	7
Other	21	501.8	17
Ordnance	9	469.6	10
Derelicts	8	60.3	1
Missiles	8	88.5	3
Icebergs	8	42	2
Spills	7	139	3
Wrecks	4	694.9	22
Containers	1	5.7	0
War risk	0	155	5
Structures	0	31	1
Restricted	0	31	1
Mines	0	71.4	2
Volcanic	0	62	2

By sea and type · 170 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Oceansurge	91	293.8	8	95	276× / 0.33
Cable ops · North Atlantic Oceansurge	18	141.1	5	35	18× / 1
Nav aids · North Seasurge	12	61	2	35	9.0× / 1.33
Exercises · North Pacific Oceansurge	10	74.2	0	—	5.0× / 2
Incidents · South Atlantic Oceansurge	9	72.4	3	69	13× / 0.67
Nav aids · Tasman Seasurge	9	46.7	1	227	27× / 0.33
Quakes · South Pacific Ocean	8	32.2	1	32	0.9× / 9.33
Surveys · Celtic Seasurge	8	11.6	0	—	8.0× / 1
Nav aids · South Atlantic Oceansurge	7	229	7	91	2.6× / 2.67
Incidents · North Pacific Oceansurge	7	144.1	3	67	2.6× / 2.67
Nav aids · North Atlantic Oceansurge	7	84.3	3	340	2.1× / 3.33
Exercises · Adriatic Sea	7	21.6	0	—	0.7× / 10.33
Missiles · North Pacific Oceansurge	6	62	2	36	3.6× / 1.67
Icebergs · South Atlantic Oceansurge	6	37.5	2	36	9.0× / 0.67
Exercises · Aegean Seasurge	5	109.8	4	89	2.5× / 2
Cable ops · English Channelsurge	5	18.9	1	25	5.0× / 1
Quakes · Indian Oceansurge	5	15	0	—	3.0× / 1.67
Quakes · Southern Oceansurge	5	15	0	—	3.8× / 1.33
Incidents · South China Seanew	4	97.6	3	72	new / 0
Exercises · Tyrrhenian Seasurge	4	96.4	0	—	6.0× / 0.67
Incidents · North Atlantic Oceannew	4	40.6	2	35	new / 0
Cable ops · North Sea	4	29.9	1	38	1.5× / 2.67
Exercises · Mediterranean Sea - Eastern Basinsurge	4	16.6	0	—	6.0× / 0.67
Surveys · English Channelsurge	4	16.4	0	—	12× / 0.33
Nav aids · Irish Sea and St. George's Channelsurge	4	10.8	0	—	12× / 0.33
Incidents · Philippine Seasurge	4	5.4	0	—	4.0× / 1
Cable ops · Mediterranean Sea - Eastern Basinsurge	3	102.7	3	34	3.0× / 1
Surveys · Ionian Seasurge	3	81.6	2	84	9.1× / 0.33
Ordnance · Tyrrhenian Seasurge	3	40	2	148	9.1× / 0.33
Other · Indian Oceannew	3	36.9	1	30	new / 0
Cable ops · South China Seanew	3	30.4	1	29	new / 0
Derelicts · North Pacific Oceannew	3	19.9	0	—	new / 0
Incidents · Indian Oceannew	3	11	0	—	new / 0
Quakes · North Pacific Ocean	3	9	0	—	0.6× / 4.67
Nav aids · English Channelsurge	3	8.9	0	—	4.5× / 0.67
Incidents · Coral Seanew	3	0.3	0	—	new / 0
Nav aids · Tyrrhenian Sea	2	75.3	3	35	1.2× / 1.67
Other · North Atlantic Oceannewlong running	2	67.6	4	626	new / 0
Nav aids · North Pacific Oceannew	2	59.6	3	192	new / 0
Incidents · Arabian Seanew	2	55.8	2	32	new / 0
Cable ops · North Pacific Oceannew	2	49.8	2	86	new / 0
Spills · Gulf of Mexico	2	46	1	44	1.2× / 1.67
Spills · Gulf of Alaskanew	2	38	0	—	new / 0
Cable ops · Arabian Seanew	2	36.6	1	39	new / 0
Other · Gulf of Mexiconew	2	36.6	2	31	new / 0
Other · South China Seanew	2	34	1	220	new / 0
Nav aids · Indian Ocean	2	19.1	0	—	1.2× / 1.67
Ordnance · North Atlantic Oceannew	2	16.4	0	—	new / 0
Incidents · Caribbean Seanew	2	13	0	—	new / 0
Surveys · North Pacific Oceannew	2	11.5	2	6	new / 0
Exercises · Mediterranean Sea - Western Basin	2	9.7	1	14	2.0× / 1
Exercises · Ligurian Sea	2	7.2	0	—	1.2× / 1.67
Exercises · South Pacific Oceannew	2	7.2	0	—	new / 0
Ordnance · Persian Gulfnew	2	7.1	0	—	new / 0
Quakes · Coral Sea	2	6	0	—	1.5× / 1.33
Exercises · Gulf of Mexiconew	2	5.7	0	—	new / 0
Icebergs · North Atlantic Ocean	2	4.5	0	—	1.5× / 1.33
Incidents · South Pacific Oceannew	2	4.3	0	—	new / 0
Cable ops · Black Seanew	2	2.7	0	—	new / 0
Other · South Atlantic Ocean	2	2.7	0	—	6.1× / 0.33
Other · North Pacific Ocean	2	2.6	0	—	3.0× / 0.67
Incidents · Great Australian Bightnew	2	0.3	0	—	new / 0
Nav aids · Inner Seas off the West Coast of Scotland	1	154	3	316	1.0× / 1
Wrecks · South China Sea	1	126.6	4	171	new / 0
Wrecks · North Sealong running	1	104.4	2	654	3.0× / 0.33
Nav aids · Coral Sea	1	69.2	2	288	1.5× / 0.67
Nav aids · Bay of Bengal	1	65.1	2	178	new / 0
Nav aids · Andaman or Burma Sea	1	65	2	120	new / 0
Other · North Sea	1	63	2	337	3.0× / 0.33
Nav aids · Caribbean Sea	1	31.1	2	269	3.0× / 0.33
Cable ops · Persian Gulf	1	29.5	1	29	new / 0
Incidents · Mediterranean Sea - Eastern Basin	1	29.2	0	—	new / 0
Wrecks · Coral Sea	1	27.9	1	27	new / 0
Missiles · Bay of Bengal	1	21.4	1	21	new / 0
Incidents · Mozambique Channel	1	20.2	1	20	new / 0
Nav aids · Persian Gulf	1	19.4	0	—	new / 0
Spills · North Atlantic Ocean	1	18	1	39	0.5× / 2
Cable ops · South Pacific Ocean	1	16.9	0	—	new / 0
Spills · North Pacific Ocean	1	14	0	—	0.8× / 1.33
Nav aids · Gulf of Mexico	1	13.5	0	—	new / 0
Derelicts · Coral Sea	1	10.9	1	33	new / 0
Spills · Philippine Sea	1	10	1	10	new / 0
Incidents · Andaman or Burma Sea	1	9.5	0	—	new / 0
Incidents · Japan Sea	1	9	1	8	new / 0
Nav aids · Mediterranean Sea - Eastern Basin	1	8.4	1	8	new / 0
Incidents · Bay of Bengal	1	7.3	1	7	new / 0
Derelicts · Caribbean Sea	1	7.1	0	—	new / 0
Derelicts · Persian Gulf	1	6.6	0	—	new / 0
Other · Caribbean Sea	1	6.5	0	—	new / 0
Derelicts · Gulf of Mexico	1	6.5	0	—	3.0× / 0.33
Other · Ligurian Sea	1	6.3	0	—	3.0× / 0.33
Containers · Caribbean Sea	1	5.7	0	—	new / 0
Exercises · North Atlantic Ocean	1	5.7	0	—	0.4× / 2.67
Other · Celtic Sea	1	5.4	0	—	new / 0
Other · Tyrrhenian Sea	1	5.2	0	—	new / 0
Missiles · Laccadive Sea	1	5.1	0	—	new / 0
Ordnance · Philippine Sea	1	5.1	0	—	new / 0
Surveys · Ligurian Sea	1	4.7	0	—	3.0× / 0.33
Nav aids · Great Australian Bight	1	4.4	0	—	new / 0
Other · Gulf of California	1	4.4	1	4	new / 0
Surveys · Bristol Channel	1	4.1	0	—	new / 0
Other · Great Australian Bight	1	4	0	—	new / 0
Cable ops · Mediterranean Sea - Western Basin	1	3.9	1	3	new / 0
Cable ops · Aegean Sea	1	3.7	0	—	new / 0
Derelicts · South Atlantic Ocean	1	3.5	0	—	3.0× / 0.33
Surveys · North Sea	1	3.1	1	41	new / 0
Quakes · Banda Sea	1	3	0	—	1.5× / 0.67
Quakes · Bismarck Sea	1	3	0	—	new / 0
Quakes · Gulf of California	1	3	0	—	new / 0
Quakes · Molukka Sea	1	3	0	—	0.8× / 1.33
Quakes · Solomon Sea	1	3	0	—	1.0× / 1
Quakes · Tasman Sea	1	3	0	—	new / 0
Exercises · Gulf of California	1	2.8	0	—	new / 0
Incidents · Celtic Sea	1	2.6	0	—	new / 0
Exercises · Laccadive Sea	1	2.3	0	—	new / 0
Surveys · Inner Seas off the West Coast of Scotland	1	2	0	—	new / 0
Wrecks · Kattegat	1	2	1	2	new / 0
Ordnance · Mediterranean Sea - Western Basin	1	2	0	—	new / 0
Nav aids · Laccadive Sea	1	1.5	1	1	new / 0
Surveys · Irish Sea and St. George's Channel	1	1	0	—	1.0× / 1
Nav aids · Bass Strait	1	0.9	0	—	0.6× / 1.67
Other · Inner Seas off the West Coast of Scotland	1	0.8	0	—	new / 0
Incidents · Bass Strait	1	0.1	0	—	new / 0
Incidents · Tasman Sea	1	0.1	0	—	new / 0
Incidents · Adriatic Sea	1	0	0	—	new / 0
Ordnance · Adriatic Sea	0	375.5	8	294	— / 0
War risk · Persian Gulf	0	124	4	57	— / 0
Nav aids · South Pacific Ocean	0	110.6	3	237	0.0× / 0.67
Wrecks · English Channel	0	93	3	275	0.0× / 0.33
Other · Persian Gulf	0	93	3	155	0.0× / 0.33
Wrecks · Bay of Biscay	0	62	2	107	— / 0
Nav aids · Malacca Strait	0	62	2	168	0.0× / 0.33
Wrecks · North Atlantic Ocean	0	62	2	297	— / 0
Volcanic · North Pacific Oceanlong running	0	62	2	427	— / 0
Mines · North Sealong running	0	62	2	751	0.0× / 0.33
Wrecks · Tyrrhenian Sealong running	0	62	2	526	— / 0
Nav aids · Adriatic Sealong running	0	31	1	374	0.0× / 0.67
Other · Adriatic Sealong running	0	31	1	1,201	— / 0
Surveys · Adriatic Sealong running	0	31	1	378	0.0× / 0.33
War risk · Adriatic Sea	0	31	1	351	— / 0
Wrecks · Adriatic Sea	0	31	1	46	— / 0
Cable ops · Gulf of Guinea	0	31	1	102	— / 0
Nav aids · Gulf of Suezlong running	0	31	1	665	— / 0
Wrecks · Gulf of Thailand	0	31	1	172	— / 0
Surveys · Indian Ocean	0	31	1	42	— / 0
Wrecks · Irish Sea and St. George's Channel	0	31	1	50	— / 0
Cable ops · Malacca Strait	0	31	1	103	— / 0
Wrecks · Malacca Strait	0	31	1	100	— / 0
Restricted · North Atlantic Oceanlong running	0	31	1	745	0.0× / 0.33
Other · Red Sealong running	0	31	1	1,575	— / 0
Cable ops · Singapore Strait	0	31	1	53	— / 0
Nav aids · South China Sea	0	31	1	303	— / 0
Structures · South China Sea	0	31	1	261	— / 0
Other · South Pacific Ocean	0	31	1	44	— / 0
Wrecks · South Pacific Ocean	0	31	1	139	— / 0
Nav aids · Southern Ocean	0	31	1	65	— / 0
Cable ops · Tasman Sea	0	31	1	121	— / 0
Nav aids · Timor Sea	0	31	1	66	— / 0
Exercises · Yellow Sea	0	30.5	0	—	— / 0
Other · Tasman Sea	0	30.4	0	—	— / 0
Ordnance · English Channel	0	23.5	0	—	— / 0
Cable ops · Adriatic Sea	0	21.5	0	—	— / 0
Nav aids · Mozambique Channel	0	18.9	0	—	— / 0
Spills · The Coastal Waters of Southeast Alaska and British Columbia	0	13	0	—	0.0× / 0.33
Mines · Adriatic Sea	0	9.4	0	—	— / 0
Exercises · Bay of Bengal	0	9.4	0	—	— / 0
Other · Philippine Sea	0	9.4	0	—	— / 0
Derelicts · South China Sea	0	3.2	0	—	— / 0
Derelicts · Timor Sea	0	2.4	0	—	— / 0
Derelicts · Indian Ocean	0	0.2	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2000-03, 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.