Sea Ledger, February 2004

2004-02-01 to 2004-02-29 · archive

issued: 285
warning-days in force: 5,641
in force at month end: 201
sea × type cells: 164

baseline: same month, previous 5 years (2003-02, 2002-02, 2001-02, 2000-02, 1999-02)

By type

type	issued	warning-days	in force at end
Cable ops	65	628.2	23
Exercises	57	696.9	28
Incidents	48	715.4	25
Quakes	31	99.1	1
Nav aids	30	1,636.1	56
Surveys	13	603	23
Derelicts	10	55.5	2
Other	7	457.5	15
Icebergs	6	34.6	2
Missiles	5	58	2
Spills	4	48	4
Ordnance	3	37.7	0
Wrecks	2	430.6	16
Debris	2	8.9	0
Containers	2	15.9	0
War risk	0	58	2
Restricted	0	29	1
Structures	0	29	1

By sea and type · 164 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Ocean	32	99.6	1	32	0.8× / 42.4
Quakes · South Pacific Ocean	13	42.1	1	31	2.0× / 6.6
Exercises · North Atlantic Ocean	10	111.3	5	52	1.1× / 8.8
Exercises · Laccadive Seasurge	10	73.4	2	32	3.1× / 3.2
Exercises · Arabian Seasurge	10	35.2	5	30	2.4× / 4.2
Cable ops · Arabian Seasurge	9	150.8	8	145	6.4× / 1.4
Incidents · South Pacific Ocean	8	93.1	3	66	1.6× / 5
Incidents · North Pacific Ocean	7	78.6	4	41	0.8× / 8.8
Exercises · Black Seasurge	7	30.7	1	17	3.5× / 2
Nav aids · Mozambique Channelsurge	6	92.5	4	101	30× / 0.2
Incidents · South Atlantic Ocean	6	76.1	2	129	1.6× / 3.8
Missiles · North Pacific Ocean	5	58	2	33	1.0× / 5
Surveys · South Atlantic Oceansurge	5	55.3	1	30	5.0× / 1
Quakes · North Pacific Ocean	5	17.6	0	—	1.3× / 3.8
Nav aids · South Atlantic Ocean	4	276.2	9	247	0.6× / 6.4
Cable ops · Bay of Bengalsurge	4	106.3	4	81	5.0× / 0.8
Incidents · Indian Ocean	4	65.5	3	64	1.4× / 2.8
Incidents · Mediterranean Sea - Eastern Basinsurge	4	50.4	3	38	3.3× / 1.2
Nav aids · North Sea	4	45.2	2	36	0.4× / 9.2
Incidents · Coral Sea	4	31.1	2	29	1.5× / 2.6
Cable ops · English Channel	4	5.1	0	—	1.4× / 2.8
Incidents · Japan Seanew	3	97.2	4	53	new / 0
Cable ops · Philippine Seasurge	3	74.2	1	47	15× / 0.2
Exercises · Mediterranean Sea - Eastern Basin	3	38.2	1	30	1.3× / 2.4
Exercises · Tyrrhenian Sea	3	26.8	1	27	1.3× / 2.4
Icebergs · South Atlantic Ocean	3	17.3	1	32	1.0× / 3
Icebergs · Southern Ocean	3	17.3	1	32	1.5× / 2
Incidents · North Atlantic Ocean	3	10	1	67	0.6× / 4.8
Quakes · Indian Ocean	3	9	0	—	1.3× / 2.4
Nav aids · Tyrrhenian Sea	2	131.1	4	136	0.9× / 2.2
Nav aids · North Atlantic Ocean	2	71.2	3	326	0.8× / 2.6
Incidents · Arabian Sea	2	68.7	2	44	1.7× / 1.2
Exercises · Ionian Sea	2	64.3	3	61	5.0× / 0.4
Other · Japan Sea	2	60.4	2	31	1.4× / 1.4
Incidents · Mozambique Channel	2	54.1	0	—	5.0× / 0.4
Nav aids · Inner Seas off the West Coast of Scotland	2	42.4	1	209	0.3× / 6.2
Other · North Sea	2	39.1	1	33	2.5× / 0.8
Other · Yellow Sea	2	33.7	2	31	2.5× / 0.8
Exercises · Mediterranean Sea - Western Basin	2	32.4	1	30	0.8× / 2.6
Spills · Gulf of Mexico	2	27	2	42	0.7× / 2.8
Incidents · Philippine Sea	2	24.7	0	—	0.7× / 2.8
Spills · North Atlantic Ocean	2	21	2	30	0.9× / 2.2
Exercises · North Pacific Ocean	2	16.4	1	18	0.3× / 7.4
Exercises · Bay of Bengal	2	12.3	0	—	0.7× / 3
Surveys · North Atlantic Ocean	2	11	2	5	1.0× / 2
Cable ops · North Sea	2	6.8	2	5	0.6× / 3.6
Quakes · Philippine Sea	2	6.4	0	—	0.7× / 3
Quakes · Arafura Sea	2	6	0	—	10× / 0.2
Derelicts · Japan Seanew	2	2.1	0	—	new / 0
Derelicts · Mediterranean Sea - Eastern Basin	2	1.7	1	25	1.7× / 1.2
Derelicts · South Atlantic Ocean	2	1.1	0	—	0.8× / 2.6
Incidents · Tasman Sea	2	0.3	0	—	2.0× / 1
Nav aids · English Channellong running	1	116	4	419	0.2× / 4.8
Nav aids · Persian Gulflong running	1	80.4	3	817	1.7× / 0.6
Surveys · Mediterranean Sea - Eastern Basin	1	69.5	2	39	0.8× / 1.2
Nav aids · Bay of Bengal	1	60	2	303	2.5× / 0.4
Nav aids · Celtic Sea	1	43	2	172	0.3× / 3.2
Wrecks · Arabian Sealong running	1	33.6	2	445	new / 0
Cable ops · Eastern China Sea	1	32.8	0	—	1.7× / 0.6
Exercises · Malacca Strait	1	32.4	1	31	1.7× / 0.6
Nav aids · Arabian Sea	1	31.9	1	270	new / 0
Nav aids · Coral Sea	1	29.8	1	100	0.3× / 3.4
Surveys · Tasman Sea	1	29.5	1	29	new / 0
Derelicts · North Atlantic Ocean	1	29.1	1	41	0.3× / 4
Cable ops · Gulf of Guinea	1	29	1	39	5.0× / 0.2
Cable ops · Tasman Sea	1	23.1	0	—	1.7× / 0.6
Cable ops · Laccadive Sea	1	17.6	1	17	5.0× / 0.2
Surveys · Tyrrhenian Sea	1	17.5	1	17	1.0× / 1
Wrecks · Persian Gulf	1	13.5	1	13	new / 0
Surveys · Ionian Sea	1	11.6	1	11	2.5× / 0.4
Cable ops · Gulf of Suez	1	9.5	1	39	1.3× / 0.8
Cable ops · South China Sea	1	7.7	1	7	0.8× / 1.2
Derelicts · Banda Sea	1	6.8	0	—	new / 0
Exercises · Japan Sea	1	6.8	0	—	5.0× / 0.2
Derelicts · Indian Ocean	1	6.6	0	—	1.3× / 0.8
Containers · North Atlantic Ocean	1	6.6	0	—	0.6× / 1.8
Debris · South Atlantic Ocean	1	6.4	0	—	new / 0
Other · Arabian Sea	1	6.3	0	—	new / 0
Containers · Caribbean Sea	1	6.3	0	—	new / 0
Exercises · Persian Gulf	1	5.9	0	—	new / 0
Cable ops · South Pacific Ocean	1	5.9	1	5	0.5× / 2
Cable ops · Irish Sea and St. George's Channel	1	4.1	1	4	0.3× / 3.4
Exercises · Andaman or Burma Sea	1	4	0	—	2.5× / 0.4
Cable ops · Indian Ocean	1	4	0	—	0.7× / 1.4
Cable ops · Celtic Sea	1	3.7	0	—	0.4× / 2.6
Cable ops · Java Sea	1	3.5	1	3	2.5× / 0.4
Nav aids · Indian Ocean	1	3.1	0	—	0.8× / 1.2
Quakes · Alboran Sea	1	3	0	—	new / 0
Quakes · Arabian Sea	1	3	0	—	new / 0
Quakes · Coral Sea	1	3	0	—	1.0× / 1
Quakes · Gulf of Alaska	1	3	0	—	new / 0
Quakes · Gulf of California	1	3	0	—	5.0× / 0.2
Ordnance · North Pacific Ocean	1	3	0	—	2.5× / 0.4
Quakes · South Atlantic Ocean	1	3	0	—	1.3× / 0.8
Exercises · South Atlantic Ocean	1	2.8	0	—	1.7× / 0.6
Debris · Indian Ocean	1	2.5	0	—	new / 0
Ordnance · Mediterranean Sea - Eastern Basin	1	2.2	0	—	new / 0
Surveys · Irish Sea and St. George's Channel	1	1.8	1	1	0.5× / 2
Derelicts · South Pacific Ocean	1	1.6	0	—	0.8× / 1.2
Exercises · Gulf of Mexico	1	1	0	—	1.7× / 0.6
Surveys · Great Australian Bight	1	0.8	0	—	new / 0
Nav aids · Bristol Channel	1	0.7	0	—	1.3× / 0.8
Nav aids · Gulf of Mexico	1	0.6	0	—	1.7× / 0.6
Ordnance · Tyrrhenian Sea	1	0.5	0	—	1.7× / 0.6
Incidents · Celtic Sea	1	0.1	0	—	new / 0
Nav aids · Irish Sea and St. George's Channel	1	0.1	0	—	0.4× / 2.4
Exercises · Aegean Sea	0	203	7	61	0.0× / 4.4
Nav aids · Solomon Sea	0	174	6	344	0.0× / 0.4
Surveys · Baffin Bay	0	145	5	150	— / 0
Wrecks · North Sealong running	0	93.5	3	415	— / 0
Surveys · Beaufort Sea	0	87	3	52	— / 0
Nav aids · Laccadive Sea	0	87	3	303	0.0× / 0.2
Other · Persian Gulflong running	0	87	3	390	0.0× / 0.6
Wrecks · Baltic Sealong running	0	58	2	1,157	— / 0
Nav aids · Gulf of Suez	0	58	2	325	0.0× / 0.2
Nav aids · Mediterranean Sea - Eastern Basin	0	58	2	227	— / 0
Surveys · North Sealong running	0	58	2	429	0.0× / 2.8
War risk · Persian Gulflong running	0	58	2	758	0.0× / 1.6
Nav aids · South Pacific Ocean	0	58	2	185	0.0× / 2.6
Cable ops · Mediterranean Sea - Eastern Basin	0	34.5	0	—	0.0× / 2.4
Surveys · Arctic Ocean	0	29	1	52	— / 0
Surveys · Balearic (Iberian Sea)	0	29	1	220	— / 0
Other · Black Sea	0	29	1	354	— / 0
Other · Coral Sea	0	29	1	145	— / 0
Wrecks · English Channellong running	0	29	1	864	0.0× / 0.2
Other · Greenland Sealong running	0	29	1	1,285	— / 0
Surveys · Greenland Sealong running	0	29	1	368	0.0× / 0.6
Restricted · Indian Ocean	0	29	1	264	— / 0
Nav aids · Ionian Sea	0	29	1	97	0.0× / 0.4
Other · Ionian Sea	0	29	1	78	0.0× / 1
Surveys · Japan Sea	0	29	1	138	— / 0
Wrecks · Japan Sealong running	0	29	1	396	— / 0
Wrecks · Java Sea	0	29	1	297	— / 0
Wrecks · Kattegatlong running	0	29	1	1,105	0.0× / 0.4
Other · Laccadive Sealong running	0	29	1	461	— / 0
Wrecks · North Atlantic Oceanlong running	0	29	1	451	0.0× / 0.2
Structures · Persian Gulf	0	29	1	42	— / 0
Nav aids · Red Sealong running	0	29	1	446	— / 0
Nav aids · Savu Sealong running	0	29	1	726	— / 0
Other · Sea of Marmara	0	29	1	123	0.0× / 0.4
Other · Sea of Okhotsk	0	29	1	353	— / 0
Wrecks · Skagerraklong running	0	29	1	1,208	— / 0
Wrecks · South Atlantic Ocean	0	29	1	67	— / 0
Nav aids · South China Sea	0	29	1	256	0.0× / 0.8
Nav aids · Southern Ocean	0	29	1	156	— / 0
Incidents · Southern Ocean	0	29	1	33	0.0× / 0.2
Wrecks · Sulu Sea	0	29	1	233	— / 0
Incidents · Adriatic Sea	0	23.5	0	—	0.0× / 0.2
Nav aids · Mediterranean Sea - Western Basin	0	23.5	0	—	0.0× / 0.6
Other · Celtic Sea	0	21.2	0	—	0.0× / 0.2
Ordnance · Sea of Okhotsk	0	18.5	0	—	— / 0
Ordnance · Arabian Sea	0	13.5	0	—	— / 0
Cable ops · Tyrrhenian Sea	0	10	0	—	— / 0
Nav aids · Malacca Strait	0	8.4	0	—	0.0× / 0.2
Incidents · Eastern China Sea	0	6.5	0	—	0.0× / 0.2
Incidents · Tyrrhenian Sea	0	6.5	0	—	0.0× / 0.4
Other · North Atlantic Ocean	0	5	0	—	0.0× / 0.4
Derelicts · Tyrrhenian Sea	0	3.5	0	—	— / 0
Containers · Mediterranean Sea - Eastern Basin	0	3	0	—	— / 0
Derelicts · North Pacific Ocean	0	3	0	—	0.0× / 0.8
Other · Inner Seas off the West Coast of Scotland	0	1.8	0	—	0.0× / 0.2
Nav aids · Gulf of Guinea	0	0	0	—	— / 0
Surveys · Gulf of Suez	0	0	0	—	— / 0
Exercises · Indian Ocean	0	0	0	—	— / 0

Cite: seahazards.com Sea Ledger, 2004-02, 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.