Sea Ledger, March 2002

2002-03-01 to 2002-03-31 · archive

issued: 392
warning-days in force: 6,339
in force at month end: 200
sea × type cells: 199

baseline: same month, previous 5 years (2001-03, 2000-03, 1999-03, 1998-03, 1997-03)

By type

type	issued	warning-days	in force at end
Incidents	79	1,111.8	46
Cable ops	72	657.8	20
Nav aids	56	1,974.5	55
Exercises	50	368.7	11
Quakes	37	107.8	2
Other	32	490	15
Surveys	21	200.4	7
Ordnance	12	182.7	4
Derelicts	11	69.6	1
Icebergs	9	36.7	3
Missiles	6	66.7	2
Debris	3	16.1	1
Wrecks	1	833.8	27
Structures	1	57.4	2
Spills	1	18	0
Towing	1	22.5	0
War risk	0	62	2
Containers	0	0	0
Volcanic	0	62	2

By sea and type · 199 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Ocean	42	159.1	4	54	1.4× / 30
Incidents · Philippine Seasurge	13	201.4	7	76	6.5× / 2
Incidents · North Pacific Oceansurge	10	252	11	65	2.6× / 3.8
Incidents · South Pacific Oceansurge	10	98	4	74	6.3× / 1.6
Incidents · North Atlantic Oceansurge	10	60.9	3	22	3.9× / 2.6
Nav aids · North Seasurgelong running	9	200.5	6	556	2.0× / 4.4
Exercises · North Pacific Oceansurge	8	34	1	31	2.2× / 3.6
Quakes · North Pacific Ocean	8	21	1	30	1.9× / 4.2
Incidents · Indian Oceansurge	7	75.3	3	62	5.8× / 1.2
Exercises · North Atlantic Oceansurge	7	36.9	3	31	2.7× / 2.6
Surveys · Mediterranean Sea - Eastern Basinsurge	7	30.1	0	—	35× / 0.2
Quakes · South Pacific Ocean	7	21	0	—	0.8× / 8.8
Nav aids · South Atlantic Oceanlong running	6	286.9	8	437	1.5× / 4
Nav aids · Inner Seas off the West Coast of Scotlandsurgelong running	6	75.8	2	705	4.3× / 1.4
Nav aids · North Atlantic Oceanlong running	6	68.8	1	582	1.7× / 3.6
Cable ops · North Sea	6	46.2	2	31	1.7× / 3.6
Other · North Atlantic Oceansurge	6	44.9	0	—	15× / 0.4
Missiles · North Pacific Ocean	5	62	2	34	1.5× / 3.4
Cable ops · South China Seasurge	5	52.5	2	38	8.3× / 0.6
Other · North Pacific Oceansurge	5	21.2	0	—	6.3× / 0.8
Exercises · South Pacific Oceansurge	5	7.6	1	11	8.3× / 0.6
Nav aids · South Pacific Oceansurgelong running	4	130.3	2	536	6.7× / 0.6
Nav aids · English Channellong running	4	109.8	3	531	1.7× / 2.4
Incidents · Mediterranean Sea - Eastern Basinsurge	4	59.9	3	79	6.7× / 0.6
Incidents · South Atlantic Ocean	4	55.8	3	36	1.1× / 3.8
Surveys · North Atlantic Oceansurge	4	27.5	1	33	10× / 0.4
Exercises · Mediterranean Sea - Eastern Basinsurge	4	21.6	0	—	2.9× / 1.4
Exercises · Bay of Bengalsurge	4	20.9	1	32	5.0× / 0.8
Icebergs · Southern Oceannew	4	17.2	2	13	new / 0
Exercises · South Atlantic Oceansurge	4	10.9	1	16	20× / 0.2
Nav aids · Coral Seasurgelong running	3	127.5	5	710	3.0× / 1
Nav aids · Irish Sea and St. George's Channellong running	3	95.4	3	697	1.9× / 1.6
Nav aids · Celtic Seasurge	3	65.1	1	355	3.8× / 0.8
Surveys · South Atlantic Ocean	3	56.9	2	37	1.4× / 2.2
Cable ops · North Atlantic Ocean	3	52.6	2	73	0.7× / 4.2
Other · Rio de La Platanew	3	31	1	192	new / 0
Exercises · Laccadive Seasurge	3	26.7	0	—	15× / 0.2
Derelicts · North Atlantic Oceansurge	3	20.1	0	—	3.8× / 0.8
Other · Bass Straitnew	3	19.8	1	87	new / 0
Nav aids · Tasman Sea	3	19.8	1	30	1.1× / 2.6
Ordnance · Philippine Seasurge	3	18.7	0	—	7.5× / 0.4
Cable ops · Celtic Sea	3	16.4	0	—	1.3× / 2.4
Ordnance · Japan Seasurge	3	13.5	0	—	15× / 0.2
Cable ops · Bass Straitnew	3	12.5	1	12	new / 0
Quakes · Banda Seasurge	3	9	0	—	3.0× / 1
Quakes · North Atlantic Oceansurge	3	9	0	—	7.5× / 0.4
Quakes · South Atlantic Oceansurge	3	9	0	—	3.8× / 0.8
Incidents · Timor Seanew	3	7.1	0	—	new / 0
Quakes · Philippine Seasurge	3	6.7	1	9	2.1× / 1.4
Incidents · Tasman Seasurge	3	1.3	0	—	3.0× / 1
Incidents · South China Sea	2	67	3	72	1.3× / 1.6
Other · Japan Sea	2	64	2	34	3.3× / 0.6
Nav aids · Tyrrhenian Sea	2	43.2	1	341	1.4× / 1.4
Surveys · Indian Oceannew	2	41.9	2	68	new / 0
Other · South China Sea	2	36.6	2	86	5.0× / 0.4
Cable ops · Mediterranean Sea - Eastern Basin	2	28.5	1	56	0.9× / 2.2
Cable ops · Persian Gulf	2	28	1	33	5.0× / 0.4
Exercises · Mediterranean Sea - Western Basin	2	25.1	0	—	0.9× / 2.2
Incidents · Tyrrhenian Seanew	2	22.1	2	15	new / 0
Incidents · Coral Sea	2	21.7	0	—	1.4× / 1.4
Exercises · Ionian Sea	2	15.8	0	—	5.0× / 0.4
Exercises · Arctic Oceannew	2	9.3	0	—	new / 0
Derelicts · South Atlantic Ocean	2	8.3	0	—	5.0× / 0.4
Exercises · Arabian Seanew	2	7.8	0	—	new / 0
Quakes · Bismarck Sea	2	6	0	—	10× / 0.2
Quakes · Celebes Sea	2	6	0	—	5.0× / 0.4
Exercises · Gulf of Mexico	2	3	0	—	3.3× / 0.6
Icebergs · North Atlantic Ocean	2	2	0	—	1.7× / 1.2
Nav aids · Gulf of Suez	1	82.4	2	213	new / 0
Nav aids · Persian Gulf	1	68	2	117	2.5× / 0.4
Nav aids · Great Australian Bight	1	62.6	2	346	5.0× / 0.2
Cable ops · Arabian Sea	1	58.5	1	53	0.6× / 1.6
Cable ops · Bay of Bengal	1	43.6	2	46	1.3× / 0.8
Wrecks · Irish Sea and St. George's Channellong running	1	37.3	2	636	new / 0
Ordnance · North Pacific Ocean	1	35.9	1	171	2.5× / 0.4
Other · Persian Gulf	1	34.3	2	186	5.0× / 0.2
Exercises · Malacca Strait	1	33.3	1	35	1.7× / 0.6
Other · Yellow Sea	1	32.1	1	33	5.0× / 0.2
Other · North Sealong running	1	31.7	1	727	0.8× / 1.2
Exercises · Tyrrhenian Sea	1	31.1	1	31	0.6× / 1.8
Other · Sea of Marmara	1	31	1	47	new / 0
Other · Black Sea	1	30.4	1	30	new / 0
Surveys · South Pacific Ocean	1	30.3	1	30	new / 0
Structures · Balearic (Iberian Sea)	1	26.4	1	26	new / 0
Nav aids · Savu Sea	1	26.3	1	26	new / 0
Ordnance · Persian Gulf	1	25.7	0	—	0.8× / 1.2
Cable ops · Eastern China Sea	1	24.6	1	55	1.7× / 0.6
Ordnance · Gulf of Aden	1	17.4	1	17	new / 0
Derelicts · South Pacific Ocean	1	17	0	—	5.0× / 0.2
Incidents · Malacca Strait	1	14.8	1	14	new / 0
Exercises · Great Australian Bight	1	14	0	—	new / 0
Spills · North Atlantic Ocean	1	14	0	—	0.4× / 2.4
Incidents · Japan Sea	1	13.8	1	13	5.0× / 0.2
Nav aids · Red Sea	1	13.4	1	13	new / 0
Incidents · Persian Gulf	1	13.2	1	13	new / 0
Incidents · Andaman or Burma Sea	1	10.3	1	10	5.0× / 0.2
Other · South Atlantic Ocean	1	9	0	—	1.0× / 1
Cable ops · Tyrrhenian Sea	1	8.9	0	—	new / 0
Ordnance · North Atlantic Ocean	1	7.2	0	—	1.0× / 1
Cable ops · Tasman Sea	1	7	1	7	new / 0
Icebergs · South Atlantic Ocean	1	6.9	0	—	0.4× / 2.4
Debris · South Pacific Ocean	1	6.9	0	—	new / 0
Surveys · Arabian Sea	1	6.7	0	—	new / 0
Derelicts · Timor Sea	1	6.6	0	—	5.0× / 0.2
Towing · Mediterranean Sea - Eastern Basin	1	6.5	0	—	new / 0
Derelicts · Tyrrhenian Sea	1	6.3	0	—	new / 0
Icebergs · Indian Ocean	1	6.1	0	—	new / 0
Derelicts · Mediterranean Sea - Eastern Basin	1	6.1	0	—	new / 0
Debris · North Atlantic Ocean	1	6.1	0	—	2.5× / 0.4
Other · Bay of Bengal	1	6	0	—	new / 0
Derelicts · Caribbean Sea	1	5.1	1	5	5.0× / 0.2
Quakes · Solomon Sea	1	5.1	0	—	1.0× / 1
Surveys · Irish Sea and St. George's Channel	1	4.9	0	—	0.5× / 2
Exercises · Persian Gulf	1	4.9	0	—	new / 0
Missiles · South Pacific Ocean	1	4.7	0	—	0.8× / 1.2
Icebergs · South Pacific Ocean	1	4.5	1	4	5.0× / 0.2
Cable ops · Bristol Channel	1	3.4	0	—	0.8× / 1.2
Debris · Philippine Sea	1	3.1	1	3	new / 0
Quakes · Gulf of Tomini	1	3	0	—	5.0× / 0.2
Quakes · Halmahera Sea	1	3	0	—	new / 0
Quakes · Indian Ocean	1	3	0	—	0.4× / 2.4
Quakes · Sea of Okhotsk	1	3	0	—	5.0× / 0.2
Quakes · South China Sea	1	3	0	—	5.0× / 0.2
Exercises · Coral Sea	1	2.5	0	—	new / 0
Ordnance · Arabian Sea	1	1.9	0	—	new / 0
Other · South Pacific Ocean	1	1.8	0	—	5.0× / 0.2
Incidents · Laccadive Sea	1	1.6	1	1	new / 0
Other · English Channel	1	1.5	0	—	new / 0
Surveys · Ionian Sea	1	1.5	1	1	1.3× / 0.8
Incidents · Adriatic Sea	1	1	0	—	5.0× / 0.2
Nav aids · Bass Strait	1	0.9	0	—	0.7× / 1.4
Other · Celtic Sea	1	0.9	0	—	5.0× / 0.2
Nav aids · Gulf of Mexico	1	0.8	0	—	5.0× / 0.2
Other · Inner Seas off the West Coast of Scotland	1	0.8	0	—	5.0× / 0.2
Surveys · Celtic Sea	1	0.6	0	—	0.2× / 5.8
Ordnance · South Pacific Ocean	1	0.4	0	—	new / 0
Derelicts · Adriatic Sea	1	0.1	0	—	new / 0
Incidents · Celtic Sea	1	0.1	0	—	5.0× / 0.2
Incidents · Great Australian Bight	1	0.1	0	—	2.5× / 0.4
Incidents · Bass Strait	1	0	0	—	5.0× / 0.2
Wrecks · English Channellong running	0	124	4	1,005	0.0× / 0.2
Wrecks · South China Sea	0	124	4	185	0.0× / 0.2
Cable ops · Caribbean Sea	0	80.4	2	151	— / 0
Exercises · Aegean Sea	0	62.7	2	87	0.0× / 3.2
Wrecks · Baltic Sealong running	0	62	2	457	— / 0
Wrecks · Coral Sealong running	0	62	2	419	0.0× / 0.2
Wrecks · North Sea	0	62	2	283	0.0× / 0.4
War risk · Persian Gulf	0	62	2	58	— / 0
Volcanic · Philippine Sea	0	62	2	191	— / 0
Nav aids · Singapore Straitlong running	0	62	2	383	0.0× / 0.2
Nav aids · South China Sea	0	62	2	290	— / 0
Wrecks · Tyrrhenian Sealong running	0	62	2	416	— / 0
Nav aids · Mozambique Channel	0	32.6	1	318	0.0× / 0.2
Nav aids · Adriatic Sea	0	31	1	303	0.0× / 0.4
Incidents · Aegean Sea	0	31	1	32	— / 0
Nav aids · Bering Sea	0	31	1	241	0.0× / 0.4
Nav aids · Caribbean Sea	0	31	1	304	0.0× / 0.4
Wrecks · Celtic Sea	0	31	1	135	— / 0
Other · Coral Sea	0	31	1	63	— / 0
Nav aids · Eastern China Sealong running	0	31	1	524	0.0× / 0.2
Other · Greenland Sealong running	0	31	1	585	— / 0
Ordnance · Indian Ocean	0	31	1	59	— / 0
Wrecks · Kattegatlong running	0	31	1	405	0.0× / 0.2
Ordnance · Ligurian Sea	0	31	1	42	— / 0
Incidents · Ligurian Sea	0	31	1	36	— / 0
Wrecks · Malacca Strait	0	31	1	278	— / 0
Other · Mediterranean Sea - Eastern Basin	0	31	1	102	0.0× / 0.2
Wrecks · North Pacific Ocean	0	31	1	171	— / 0
Wrecks · Persian Gulf	0	31	1	283	— / 0
Nav aids · Philippine Sea	0	31	1	290	— / 0
Wrecks · Red Sea	0	31	1	330	— / 0
Wrecks · Sea of Okhotsk	0	31	1	181	— / 0
Nav aids · Skagerrak	0	31	1	271	— / 0
Wrecks · Skagerraklong running	0	31	1	508	— / 0
Nav aids · Solomon Sea	0	31	1	35	— / 0
Structures · South China Sea	0	31	1	141	— / 0
Wrecks · South Pacific Ocean	0	31	1	32	— / 0
Nav aids · Sulu Sealong running	0	31	1	443	— / 0
Nav aids · Timor Sealong running	0	31	1	796	— / 0
Incidents · Arabian Sea	0	28.9	0	—	0.0× / 0.8
Nav aids · Mediterranean Sea - Eastern Basin	0	27.9	0	—	0.0× / 0.4
Cable ops · Black Sea	0	22.6	0	—	0.0× / 0.4
Nav aids · Arabian Sea	0	21.5	0	—	— / 0
Wrecks · Bay of Biscay	0	21.5	0	—	— / 0
Incidents · Ionian Sea	0	21.5	0	—	0.0× / 0.2
Incidents · Mediterranean Sea - Western Basin	0	21.5	0	—	— / 0
Towing · North Atlantic Ocean	0	16	0	—	— / 0
Cable ops · Laccadive Sea	0	12.5	0	—	— / 0
Nav aids · North Pacific Ocean	0	11	0	—	0.0× / 0.6
Spills · Gulf of Mexico	0	4	0	—	0.0× / 2.2
Exercises · Adriatic Sea	0	0.6	0	—	0.0× / 8.4
Nav aids · Andaman or Burma Sea	0	0.5	0	—	0.0× / 0.2
Nav aids · Laccadive Sea	0	0.5	0	—	0.0× / 0.2
Cable ops · Mozambique Channel	0	0.5	0	—	— / 0
Incidents · Sea of Okhotsk	0	0.5	0	—	— / 0
Surveys · Adriatic Sea	0	0	0	—	0.0× / 0.4
Other · Gulf of Suez	0	0	0	—	— / 0
Cable ops · Java Sea	0	0	0	—	— / 0
Containers · Ligurian Sea	0	0	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2002-03, 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.