Sea Ledger, December 2000

2000-12-01 to 2000-12-31 · archive

issued: 390
warning-days in force: 6,649
in force at month end: 204
sea × type cells: 183

baseline: same month, previous 5 years (1999-12, 1998-12, 1997-12)

By type

type	issued	warning-days	in force at end
Cable ops	89	667.8	18
Incidents	48	839	28
Nav aids	47	2,150.4	68
Quakes	47	142.2	1
Surveys	44	306.5	8
Exercises	39	286.7	6
Other	23	726.5	25
Derelicts	15	75.4	3
Ordnance	7	298	11
Missiles	6	62	2
Icebergs	6	35.1	2
Spills	6	114	2
Wrecks	4	686	24
Containers	3	20.5	0
Debris	3	13.7	0
Towing	3	41.5	1
War risk	0	124	4
Structures	0	59.5	1

By sea and type · 183 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Oceansurge	55	199.7	6	35	5.5× / 10
Surveys · English Channelnew	14	44.8	2	34	new / 0
Nav aids · English Channelsurge	12	99.6	5	76	4.0× / 3
Quakes · South Pacific Ocean	10	31.4	0	—	1.3× / 8
Surveys · Celtic Seasurge	10	8.1	0	—	10× / 1
Incidents · North Atlantic Oceansurge	9	175.9	7	76	3.4× / 2.67
Exercises · Mediterranean Sea - Western Basinnew	9	28.5	3	30	new / 0
Quakes · Bismarck Seasurge	9	27	0	—	9.0× / 1
Derelicts · North Atlantic Oceansurge	8	29.7	1	35	8.0× / 1
Incidents · North Pacific Ocean	7	131.4	4	64	1.8× / 4
Cable ops · Celtic Seasurge	7	44	1	50	7.0× / 1
Quakes · North Pacific Ocean	7	21	0	—	0.7× / 9.67
Surveys · Bristol Channelnew	7	18.7	1	24	new / 0
Incidents · South China Seasurge	6	113.3	4	48	3.6× / 1.67
Other · North Atlantic Oceannew	6	101.7	3	76	new / 0
Cable ops · North Atlantic Ocean	6	62.3	0	—	1.8× / 3.33
Missiles · North Pacific Oceansurge	6	62	2	38	2.3× / 2.67
Exercises · North Atlantic Oceansurge	6	39.2	0	—	2.0× / 3
Nav aids · North Sea	5	187.1	4	286	1.0× / 5
Nav aids · South Atlantic Ocean	5	167.5	5	151	1.9× / 2.67
Spills · North Atlantic Oceansurge	5	77	1	45	2.5× / 2
Incidents · South Atlantic Oceansurge	5	66.7	3	36	5.0× / 1
Nav aids · Celtic Sea	5	45.7	2	31	1.1× / 4.33
Icebergs · South Atlantic Ocean	5	28.8	2	27	1.9× / 2.67
Surveys · South Atlantic Oceansurge	5	26.5	1	44	15× / 0.33
Cable ops · Inner Seas off the West Coast of Scotlandsurge	5	15	0	—	15× / 0.33
Ordnance · North Atlantic Oceansurge	5	12.7	1	24	7.5× / 0.67
Incidents · Coral Seasurge	4	32.8	1	31	2.0× / 2
Exercises · South Atlantic Oceansurge	4	25.7	0	—	4.0× / 1
Cable ops · Irish Sea and St. George's Channelnew	4	23.4	0	—	new / 0
Cable ops · North Seasurge	4	17.7	0	—	2.0× / 2
Exercises · Adriatic Seasurge	4	15.1	0	—	4.0× / 1
Quakes · Solomon Seasurge	4	12	0	—	2.4× / 1.67
Nav aids · Coral Seasurgelong running	3	117	4	445	9.1× / 0.33
Incidents · Indian Oceansurge	3	105.9	2	73	4.5× / 0.67
Incidents · South Pacific Oceansurge	3	61.2	1	50	3.0× / 1
Cable ops · Caribbean Seanew	3	42.3	1	47	new / 0
Exercises · North Pacific Ocean	3	17.8	0	—	0.6× / 5
Exercises · Tyrrhenian Seasurge	3	14	0	—	9.1× / 0.33
Derelicts · South China Seanew	3	12.9	1	19	new / 0
Quakes · Coral Sea	3	7.7	1	12	0.8× / 3.67
Other · South Atlantic Oceansurge	3	3.3	0	—	9.1× / 0.33
Nav aids · Tasman Sealong running	2	106	4	502	3.0× / 0.67
Exercises · Aegean Sea	2	105.1	2	364	3.0× / 0.67
Nav aids · Tyrrhenian Sea	2	101.2	4	241	1.0× / 2
Nav aids · North Atlantic Ocean	2	96.2	3	194	1.2× / 1.67
Other · Japan Seanew	2	68.1	2	35	new / 0
Other · Tyrrhenian Seanew	2	39.5	2	69	new / 0
Incidents · Arabian Sea	2	21.8	1	21	1.5× / 1.33
Incidents · Tasman Sea	2	17.6	1	17	6.1× / 0.33
Exercises · Bay of Bengalnew	2	15.9	0	—	new / 0
Surveys · Inner Seas off the West Coast of Scotlandnew	2	10.5	0	—	new / 0
Towing · Adriatic Seanew	2	8.5	0	—	new / 0
Debris · North Atlantic Oceannew	2	7.3	0	—	new / 0
Quakes · North Atlantic Ocean	2	6	0	—	0.9× / 2.33
Quakes · South Atlantic Ocean	2	6	0	—	1.2× / 1.67
Exercises · Mediterranean Sea - Eastern Basinnew	2	5.8	0	—	new / 0
Nav aids · Great Australian Bight	2	5.7	0	—	3.0× / 0.67
Cable ops · English Channel	2	4.4	1	23	6.1× / 0.33
Wrecks · Baltic Sea	2	3.3	1	3	6.1× / 0.33
Other · Inner Seas off the West Coast of Scotlandnew	2	2.3	0	—	new / 0
Incidents · Celtic Seanew	2	0.6	0	—	new / 0
Other · Labrador Seanew	2	0.5	2	0	new / 0
Nav aids · South Pacific Oceanlong running	1	346.6	11	512	3.0× / 0.33
Nav aids · Irish Sea and St. George's Channel	1	79.6	2	242	1.5× / 0.67
Wrecks · English Channellong running	1	62	2	550	1.5× / 0.67
Other · Persian Gulf	1	43.4	2	55	new / 0
Surveys · Mediterranean Sea - Eastern Basin	1	43.3	1	33	3.0× / 0.33
Nav aids · Inner Seas off the West Coast of Scotland	1	42.7	1	250	0.5× / 2
Cable ops · South China Sea	1	41.6	2	148	3.0× / 0.33
Surveys · Adriatic Sealong running	1	39	1	653	3.0× / 0.33
Other · South China Sealong running	1	38.7	2	495	3.0× / 0.33
Incidents · Ionian Sea	1	36.7	2	38	new / 0
Spills · Gulf of Mexico	1	36	1	43	0.4× / 2.67
Other · Yellow Sea	1	34.1	1	35	new / 0
Incidents · Bay of Biscay	1	31.7	1	32	3.0× / 0.33
Wrecks · South Pacific Ocean	1	31.7	2	240	new / 0
Nav aids · Japan Sea	1	31.1	2	44	new / 0
Cable ops · South Pacific Ocean	1	31	1	73	new / 0
Nav aids · Persian Gulf	1	24.1	1	34	3.0× / 0.33
Surveys · Sulu Sea	1	14.7	1	14	new / 0
Towing · Ionian Sea	1	11.5	1	11	new / 0
Cable ops · Tasman Sea	1	10.9	1	10	3.0× / 0.33
Incidents · Great Australian Bight	1	10.7	1	10	new / 0
Surveys · South Pacific Ocean	1	8.7	0	—	new / 0
Exercises · Black Sea	1	7.7	0	—	new / 0
Other · Banda Sea	1	6.9	0	—	new / 0
Containers · North Pacific Ocean	1	6.8	0	—	new / 0
Derelicts · North Pacific Ocean	1	6.8	0	—	new / 0
Derelicts · South Atlantic Ocean	1	6.7	0	—	new / 0
Containers · Tasman Sea	1	6.5	0	—	new / 0
Debris · Molukka Sea	1	6.4	0	—	new / 0
Derelicts · Bay of Biscay	1	6.3	0	—	new / 0
Icebergs · Southern Ocean	1	6.3	0	—	new / 0
Containers · North Atlantic Ocean	1	6.2	0	—	0.4× / 2.33
Derelicts · Caribbean Sea	1	5	1	5	new / 0
Exercises · Japan Sea	1	5	0	—	new / 0
Exercises · Balearic (Iberian Sea)	1	4.2	1	4	new / 0
Quakes · Philippine Sea	1	4.1	0	—	0.6× / 1.67
Ordnance · Persian Gulf	1	4	0	—	new / 0
Surveys · Tyrrhenian Sea	1	3.2	0	—	new / 0
Quakes · Arafura Sea	1	3	0	—	new / 0
Quakes · Banda Sea	1	3	0	—	3.0× / 0.33
Quakes · Bering Sea	1	3	0	—	new / 0
Quakes · Gulf of Alaska	1	3	0	—	1.0× / 1
Quakes · Gulf of Tomini	1	3	0	—	new / 0
Quakes · Indian Ocean	1	3	0	—	0.4× / 2.33
Quakes · Molukka Sea	1	3	0	—	0.4× / 2.67
Quakes · Sea of Okhotsk	1	3	0	—	3.0× / 0.33
Quakes · South China Sea	1	3	0	—	1.5× / 0.67
Ordnance · Indian Ocean	1	2.3	1	2	new / 0
Nav aids · Laccadive Sea	1	2	0	—	new / 0
Exercises · Ligurian Sea	1	2	0	—	new / 0
Incidents · Mediterranean Sea - Eastern Basin	1	1.4	0	—	new / 0
Surveys · Ionian Sea	1	0.9	0	—	new / 0
Nav aids · Sea of Okhotsk	1	0.9	0	—	new / 0
Other · Celtic Sea	1	0.8	0	—	new / 0
Nav aids · Baltic Sea	1	0.5	0	—	new / 0
Incidents · Timor Sea	1	0.5	0	—	new / 0
Nav aids · Bass Strait	1	0.3	0	—	1.5× / 0.67
Other · Tasman Sea	1	0.3	1	0	3.0× / 0.33
Ordnance · Adriatic Sealong running	0	217	7	569	— / 0
War risk · Persian Gulf	0	124	4	332	— / 0
Nav aids · Gulf of Suez	0	113	2	243	— / 0
Nav aids · North Pacific Ocean	0	100.5	3	292	0.0× / 0.67
Nav aids · Mozambique Channel	0	93	3	143	0.0× / 0.67
Wrecks · North Sea	0	93	3	301	0.0× / 0.33
Wrecks · South China Sea	0	93	3	348	0.0× / 0.33
Other · Adriatic Sealong running	0	62	2	1,476	— / 0
Nav aids · Malacca Straitlong running	0	62	2	443	0.0× / 0.67
Other · North Pacific Ocean	0	62	2	44	— / 0
Other · North Sealong running	0	62	2	612	— / 0
Cable ops · Persian Gulf	0	62	2	126	— / 0
Wrecks · Persian Gulf	0	62	2	188	0.0× / 0.33
Wrecks · Red Sea	0	62	2	236	— / 0
Wrecks · Tyrrhenian Sealong running	0	62	2	801	— / 0
Other · South Pacific Ocean	0	52.5	1	238	— / 0
Surveys · North Atlantic Ocean	0	52	0	—	0.0× / 0.33
Nav aids · Indian Ocean	0	49.1	1	140	0.0× / 0.67
Cable ops · Mediterranean Sea - Eastern Basin	0	41	1	296	— / 0
Nav aids · Adriatic Sealong running	0	31	1	649	0.0× / 0.33
Wrecks · Adriatic Sea	0	31	1	321	— / 0
Nav aids · Andaman or Burma Sea	0	31	1	81	0.0× / 1
Cable ops · Arabian Sea	0	31	1	39	0.0× / 0.67
Wrecks · Arabian Sea	0	31	1	94	— / 0
Nav aids · Bay of Bengallong running	0	31	1	453	— / 0
Wrecks · Bay of Biscay	0	31	1	43	0.0× / 0.67
Nav aids · Caribbean Sea	0	31	1	240	— / 0
Wrecks · Coral Sea	0	31	1	216	— / 0
Nav aids · Eastern China Sea	0	31	1	69	— / 0
Other · Greenland Sea	0	31	1	130	— / 0
Nav aids · Gulf of Mexico	0	31	1	221	— / 0
Nav aids · Gulf of Riga	0	31	1	58	— / 0
Cable ops · Gulf of Suez	0	31	1	60	— / 0
Other · Indian Ocean	0	31	1	41	— / 0
Wrecks · Irish Sea and St. George's Channel	0	31	1	181	— / 0
Wrecks · North Atlantic Oceanlong running	0	31	1	572	— / 0
Ordnance · North Pacific Ocean	0	31	1	80	0.0× / 1
Surveys · North Pacific Ocean	0	31	1	281	— / 0
Nav aids · Red Sea	0	31	1	48	— / 0
Other · Red Sealong running	0	31	1	1,850	— / 0
Wrecks · Skagerrak	0	31	1	53	— / 0
Structures · South China Sealong running	0	31	1	536	— / 0
Nav aids · Timor Sea	0	31	1	341	— / 0
Ordnance · Tyrrhenian Sealong running	0	31	1	423	0.0× / 0.33
Structures · Mediterranean Sea - Eastern Basin	0	28.5	0	—	— / 0
Other · Mediterranean Sea - Eastern Basin	0	27	0	—	— / 0
Towing · South China Sea	0	21.5	0	—	— / 0
Other · Gulf of Mexico	0	20.2	0	—	— / 0
Cable ops · Black Sea	0	10.5	0	—	— / 0
Other · Gulf of California	0	8.2	0	—	— / 0
Incidents · Bering Sea	0	7.5	0	—	0.0× / 0.33
Incidents · Sea of Okhotsk	0	7.5	0	—	— / 0
Incidents · North Sea	0	7.4	0	—	— / 0
Incidents · Tyrrhenian Sea	0	7.4	0	—	— / 0
Derelicts · Celtic Sea	0	6	0	—	— / 0
Surveys · Timor Sea	0	5.1	0	—	— / 0
Derelicts · Persian Gulf	0	2	0	—	— / 0
Containers · South Pacific Ocean	0	1	0	—	— / 0
Spills · The Coastal Waters of Southeast Alaska and British Columbia	0	1	0	—	0.0× / 0.33
Exercises · Ionian Sea	0	0.7	0	—	0.0× / 1
Incidents · Eastern China Sea	0	0.5	0	—	— / 0
Incidents · Singapore Strait	0	0.5	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2000-12, 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.