Sea Ledger, March 2004

2004-03-01 to 2004-03-31 · archive

issued: 326
warning-days in force: 5,865
in force at month end: 178
sea × type cells: 173

baseline: same month, previous 5 years (2003-03, 2002-03, 2001-03, 2000-03, 1999-03)

By type

type	issued	warning-days	in force at end
Exercises	75	878.7	27
Incidents	56	688.6	19
Cable ops	49	730.6	25
Nav aids	41	1,508.1	46
Quakes	32	96.3	0
Surveys	17	629.5	20
Other	16	434.4	12
Derelicts	11	58.1	0
Spills	7	93	6
Missiles	5	62	2
Icebergs	5	40.4	1
Ordnance	4	18	0
Wrecks	4	509.5	17
Debris	2	7.7	0
Containers	2	12.6	0
War risk	0	62	2
Restricted	0	31	1
Structures	0	4.5	0

By sea and type · 173 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Ocean	20	58.7	2	32	0.5× / 42
Exercises · Black Seasurge	18	106.8	4	34	5.3× / 3.4
Quakes · South Pacific Ocean	14	42.3	0	—	1.8× / 7.6
Exercises · North Atlantic Oceansurge	11	117.1	3	83	2.0× / 5.4
Incidents · Indian Oceansurge	10	76	3	76	2.6× / 3.8
Exercises · Laccadive Seasurge	10	67.3	2	34	3.6× / 2.8
Incidents · South Atlantic Ocean	9	94.3	2	160	1.9× / 4.8
Incidents · South Pacific Ocean	8	88.3	1	75	1.5× / 5.4
Exercises · Arabian Seasurge	8	37.5	1	36	6.7× / 1.2
Exercises · Bay of Bengalsurge	7	16.5	1	28	2.1× / 3.4
Incidents · Philippine Sea	7	9.7	1	23	1.3× / 5.6
Nav aids · South Atlantic Ocean	5	265.9	10	278	0.9× / 5.6
Incidents · North Pacific Ocean	5	113.1	3	57	0.7× / 7.2
Missiles · North Pacific Ocean	5	62	2	35	0.9× / 5.4
Surveys · South Atlantic Ocean	5	60.5	1	52	1.4× / 3.6
Incidents · Coral Sea	5	49.6	1	60	1.8× / 2.8
Nav aids · Coral Sea	5	41	2	131	1.9× / 2.6
Surveys · Tasman Seanew	5	34	2	52	new / 0
Cable ops · Arabian Sea	4	170.9	6	49	1.8× / 2.2
Cable ops · Bay of Bengalsurge	4	146.3	5	112	2.9× / 1.4
Nav aids · South Pacific Oceansurge	4	74.8	4	216	2.9× / 1.4
Exercises · Mediterranean Sea - Western Basin	4	55.5	1	32	1.3× / 3
Exercises · North Pacific Ocean	4	16.1	0	—	0.7× / 5.8
Nav aids · English Channellong running	3	104	1	450	0.8× / 3.8
Nav aids · North Atlantic Ocean	3	101.8	3	357	0.7× / 4.6
Cable ops · Gulf of Sueznew	3	65.5	0	—	new / 0
Spills · Gulf of Mexicosurge	3	48	2	40	2.1× / 1.4
Exercises · Mediterranean Sea - Eastern Basin	3	39.2	3	35	1.3× / 2.4
Spills · North Atlantic Ocean	3	33	3	37	1.7× / 1.8
Icebergs · Southern Ocean	3	21.7	1	31	1.9× / 1.6
Derelicts · Gulf of Mexicosurge	3	18.8	0	—	3.8× / 0.8
Nav aids · Indian Oceansurge	3	15.2	2	10	2.1× / 1.4
Cable ops · Celtic Sea	3	13.1	2	8	0.8× / 3.6
Derelicts · South Pacific Oceansurge	3	11.3	0	—	2.5× / 1.2
Quakes · North Pacific Ocean	3	9	0	—	0.5× / 5.8
Quakes · Philippine Seasurge	3	9	0	—	3.0× / 1
Nav aids · Tyrrhenian Sea	2	131.2	4	167	0.9× / 2.2
Exercises · Ionian Sea	2	102.8	3	92	2.0× / 1
Other · Japan Sea	2	69.7	2	33	1.4× / 1.4
Other · Yellow Sea	2	42.4	1	34	3.3× / 0.6
Nav aids · Caribbean Sea	2	38.5	2	19	10× / 0.2
Nav aids · Inner Seas off the West Coast of Scotland	2	36.9	1	240	0.6× / 3.6
Cable ops · Laccadive Seanew	2	33.3	1	48	new / 0
Incidents · North Sea	2	30.4	2	29	5.0× / 0.4
Nav aids · North Sea	2	27.2	0	—	0.3× / 6.4
Incidents · South China Sea	2	24.5	1	23	0.8× / 2.6
Cable ops · Philippine Sea	2	24	1	36	3.3× / 0.6
Cable ops · Aegean Sea	2	22.5	1	22	10× / 0.2
Derelicts · Philippine Sea	2	12.8	0	—	10× / 0.2
Icebergs · North Atlantic Ocean	2	12.7	0	—	0.7× / 2.8
Containers · North Atlantic Ocean	2	12.6	0	—	2.0× / 1
Other · South Pacific Ocean	2	12	1	19	5.0× / 0.4
Cable ops · North Atlantic Ocean	2	11.8	1	7	0.4× / 5.2
Nav aids · Mediterranean Sea - Western Basin	2	7.4	0	—	2.0× / 1
Quakes · Banda Sea	2	6	0	—	1.0× / 2
Surveys · Mediterranean Sea - Western Basin	2	6	1	10	2.5× / 0.8
Quakes · Solomon Sea	2	6	0	—	1.4× / 1.4
Other · Inner Seas off the West Coast of Scotland	2	4.8	0	—	5.0× / 0.4
Other · North Pacific Ocean	2	4.3	0	—	0.5× / 4
Incidents · Tasman Sea	2	0.6	1	23	0.9× / 2.2
Wrecks · North Sealong running	1	119.1	4	446	1.7× / 0.6
Nav aids · Mozambique Channel	1	110.1	3	49	1.7× / 0.6
Surveys · North Sealong running	1	70.3	2	460	0.5× / 2.2
Nav aids · Bay of Bengal	1	62.9	2	334	5.0× / 0.2
Wrecks · Persian Gulf	1	57.5	2	44	5.0× / 0.2
Cable ops · Gulf of Guinea	1	41.3	1	52	new / 0
Cable ops · South China Sea	1	39.7	2	38	0.6× / 1.6
Exercises · Malacca Strait	1	35	1	35	1.3× / 0.8
Wrecks · South Atlantic Ocean	1	33.6	1	98	2.5× / 0.4
Exercises · Tyrrhenian Sea	1	32.3	1	32	0.4× / 2.4
Cable ops · South Pacific Ocean	1	31	1	36	0.5× / 2.2
Nav aids · Southern Ocean	1	31	1	187	new / 0
Surveys · Persian Gulf	1	26.5	1	26	5.0× / 0.2
Cable ops · Indian Ocean	1	24.7	1	24	1.7× / 0.6
Incidents · Persian Gulf	1	24.3	0	—	5.0× / 0.2
Incidents · Celtic Sea	1	21.2	1	21	1.7× / 0.6
Exercises · Japan Sea	1	21.1	0	—	0.8× / 1.2
Nav aids · Andaman or Burma Sea	1	21	0	—	5.0× / 0.2
Other · Mediterranean Sea - Western Basin	1	16.5	0	—	new / 0
Other · Tasman Sea	1	15.6	1	15	5.0× / 0.2
Nav aids · Mediterranean Sea - Eastern Basin	1	15.4	1	258	2.5× / 0.4
Incidents · Arabian Sea	1	15	0	—	1.3× / 0.8
Cable ops · Inner Seas off the West Coast of Scotland	1	12.7	0	—	5.0× / 0.2
Incidents · Bay of Bengal	1	12.1	0	—	5.0× / 0.2
Nav aids · Black Sea	1	12	1	11	new / 0
Spills · North Pacific Ocean	1	12	1	12	1.3× / 0.8
Ordnance · North Atlantic Ocean	1	10.7	0	—	0.8× / 1.2
Surveys · Tyrrhenian Sea	1	8.9	1	48	1.7× / 0.6
Cable ops · Irish Sea and St. George's Channel	1	7.6	0	—	1.3× / 0.8
Debris · South Pacific Ocean	1	6.8	0	—	2.5× / 0.4
Derelicts · Arabian Sea	1	6.2	0	—	new / 0
Ordnance · North Pacific Ocean	1	6.1	0	—	1.7× / 0.6
Exercises · Persian Gulf	1	5.1	0	—	2.5× / 0.4
Other · Mediterranean Sea - Eastern Basin	1	4.7	0	—	0.8× / 1.2
Exercises · Adriatic Sea	1	4.4	0	—	0.1× / 8.4
Other · Celtic Sea	1	4.3	0	—	2.5× / 0.4
Exercises · Red Sea	1	4.1	0	—	new / 0
Derelicts · Arafura Sea	1	3.4	0	—	5.0× / 0.2
Quakes · Andaman or Burma Sea	1	3	0	—	5.0× / 0.2
Quakes · Bismarck Sea	1	3	0	—	1.7× / 0.6
Quakes · Indian Ocean	1	3	0	—	0.5× / 2.2
Quakes · Ionian Sea	1	3	0	—	new / 0
Quakes · Mediterranean Sea - Eastern Basin	1	3	0	—	new / 0
Quakes · Molukka Sea	1	3	0	—	1.0× / 1
Quakes · North Atlantic Ocean	1	3	0	—	1.3× / 0.8
Quakes · Southern Ocean	1	3	0	—	0.8× / 1.2
Surveys · Caribbean Sea	1	2.6	0	—	new / 0
Cable ops · Mediterranean Sea - Western Basin	1	2.4	1	2	5.0× / 0.2
Wrecks · Gulf of Mexico	1	2.3	1	2	new / 0
Incidents · Arafura Sea	1	2	0	—	new / 0
Other · Irish Sea and St. George's Channel	1	1.9	0	—	new / 0
Derelicts · South Atlantic Ocean	1	1.7	0	—	0.4× / 2.8
Nav aids · Bass Strait	1	1.2	0	—	0.6× / 1.6
Surveys · Bass Strait	1	1.2	0	—	new / 0
Ordnance · Persian Gulf	1	1.1	0	—	0.6× / 1.8
Nav aids · Great Australian Bight	1	0.9	0	—	2.5× / 0.4
Debris · North Sea	1	0.9	0	—	new / 0
Exercises · Gulf of Mexico	1	0.7	0	—	0.8× / 1.2
Incidents · Andaman or Burma Sea	1	0.5	1	0	2.5× / 0.4
Other · Arafura Sea	1	0.2	0	—	new / 0
Exercises · Bering Sea	1	0.2	0	—	5.0× / 0.2
Ordnance · Japan Sea	1	0.1	0	—	0.8× / 1.2
Exercises · Aegean Sea	0	217	7	92	0.0× / 3.4
Surveys · Baffin Bay	0	155	5	181	— / 0
Surveys · Beaufort Sea	0	93	3	83	— / 0
Other · Persian Gulflong running	0	93	3	421	0.0× / 0.4
Nav aids · Persian Gulflong running	0	88.5	2	848	0.0× / 0.6
Incidents · Mediterranean Sea - Eastern Basin	0	63	1	69	0.0× / 3.6
Wrecks · Baltic Sealong running	0	62	2	1,188	— / 0
War risk · Persian Gulflong running	0	62	2	789	— / 0
Nav aids · Solomon Sea	0	56.6	0	—	0.0× / 0.4
Nav aids · Gulf of Suez	0	53.5	1	356	0.0× / 0.2
Nav aids · Laccadive Sea	0	42.1	1	334	0.0× / 0.2
Incidents · Japan Sea	0	39	1	72	0.0× / 0.4
Wrecks · Arabian Sealong running	0	36.5	1	476	— / 0
Nav aids · Celtic Sea	0	32.5	1	203	0.0× / 1.4
Surveys · North Atlantic Ocean	0	32	0	—	0.0× / 1.2
Surveys · Arctic Ocean	0	31	1	83	— / 0
Surveys · Balearic (Iberian Sea)	0	31	1	251	— / 0
Other · Black Sealong running	0	31	1	385	0.0× / 0.4
Wrecks · English Channellong running	0	31	1	895	— / 0
Other · Greenland Sealong running	0	31	1	1,316	— / 0
Surveys · Greenland Sealong running	0	31	1	399	— / 0
Restricted · Indian Ocean	0	31	1	295	— / 0
Nav aids · Ionian Sea	0	31	1	128	— / 0
Other · Ionian Sea	0	31	1	109	— / 0
Surveys · Irish Sea and St. George's Channel	0	31	1	32	0.0× / 2.2
Wrecks · Japan Sealong running	0	31	1	427	— / 0
Wrecks · Kattegatlong running	0	31	1	1,136	0.0× / 0.2
Wrecks · North Atlantic Oceanlong running	0	31	1	482	0.0× / 0.2
Nav aids · Red Sealong running	0	31	1	477	0.0× / 0.2
Nav aids · Savu Sealong running	0	31	1	757	0.0× / 0.2
Other · Sea of Marmara	0	31	1	154	0.0× / 0.4
Wrecks · Skagerraklong running	0	31	1	1,239	— / 0
Nav aids · South China Sea	0	31	1	287	— / 0
Wrecks · Sulu Sea	0	31	1	264	— / 0
Other · North Sea	0	17.5	0	—	0.0× / 1.4
Cable ops · Java Sea	0	15.1	0	—	— / 0
Nav aids · Arabian Sea	0	12.5	0	—	— / 0
Wrecks · Java Sea	0	12.5	0	—	— / 0
Incidents · North Atlantic Ocean	0	12.5	0	—	0.0× / 5
Other · Sea of Okhotsk	0	12.5	0	—	0.0× / 0.2
Incidents · Southern Ocean	0	12.5	0	—	— / 0
Surveys · Mediterranean Sea - Eastern Basin	0	10	0	—	0.0× / 2
Cable ops · North Sea	0	10	0	—	0.0× / 4.8
Icebergs · South Atlantic Ocean	0	6	0	—	0.0× / 3.6
Other · Coral Sea	0	5.5	0	—	— / 0
Surveys · Japan Sea	0	5.5	0	—	— / 0
Other · Laccadive Sea	0	5.5	0	—	— / 0
Structures · Persian Gulf	0	4.5	0	—	— / 0
Derelicts · Mediterranean Sea - Eastern Basin	0	2.4	0	—	0.0× / 0.4
Derelicts · North Atlantic Ocean	0	1.5	0	—	0.0× / 1.8
Surveys · Ionian Sea	0	0	0	—	0.0× / 1

Cite: seahazards.com Sea Ledger, 2004-03, 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.