Sea Ledger, June 2003

2003-06-01 to 2003-06-30 · archive

issued: 366
warning-days in force: 5,517
in force at month end: 180
sea × type cells: 187

baseline: same month, previous 5 years (2002-06, 2001-06, 2000-06, 1999-06, 1998-06)

By type

type	issued	warning-days	in force at end
Exercises	81	509.4	16
Incidents	63	936.5	34
Cable ops	44	488.1	14
Nav aids	39	1,242.7	43
Derelicts	28	196.2	5
Quakes	27	75.8	3
Other	18	552	18
Surveys	14	444.7	15
Icebergs	13	57.6	0
Ordnance	8	120.4	4
Spills	8	147	3
Debris	7	46.1	0
Missiles	5	60	2
Restricted	4	70.2	3
Wrecks	4	478.3	16
Containers	2	14.1	1
Towing	1	17.6	1
War risk	0	60	2

By sea and type · 187 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Ocean	23	97.4	2	47	0.9× / 26.2
Exercises · North Atlantic Oceansurge	15	99.3	3	38	2.1× / 7
Other · North Atlantic Oceansurge	13	58.4	6	119	4.3× / 3
Exercises · Laccadive Seasurge	12	46.8	3	33	7.5× / 1.6
Exercises · North Pacific Oceansurge	12	34.4	0	—	2.5× / 4.8
Incidents · South Pacific Oceansurge	10	61.3	3	27	2.8× / 3.6
Exercises · Black Seasurge	9	53	2	28	3.8× / 2.4
Incidents · South Atlantic Ocean	8	63.6	2	30	1.9× / 4.2
Cable ops · Mediterranean Sea - Western Basinnew	8	51.9	1	36	new / 0
Icebergs · South Atlantic Oceansurge	8	46.9	0	—	5.7× / 1.4
Nav aids · Inner Seas off the West Coast of Scotlandsurge	8	15.9	2	19	4.0× / 2
Derelicts · Mediterranean Sea - Eastern Basinsurge	6	39.8	0	—	30× / 0.2
Quakes · South Pacific Ocean	6	18	0	—	0.7× / 8.8
Nav aids · South Atlantic Ocean	5	92.1	4	360	0.8× / 6.2
Missiles · North Pacific Ocean	5	60	2	34	1.1× / 4.6
Incidents · Indian Ocean	5	50.2	1	57	1.8× / 2.8
Incidents · Arabian Seasurge	5	21	1	20	8.3× / 0.6
Exercises · Bay of Bengalsurge	5	18.4	2	31	4.2× / 1.2
Derelicts · Coral Seasurge	5	15.1	0	—	25× / 0.2
Incidents · Mediterranean Sea - Eastern Basinsurge	5	14.9	1	16	8.3× / 0.6
Quakes · North Pacific Ocean	5	12.4	1	29	0.9× / 5.6
Incidents · North Pacific Ocean	4	298.2	9	57	0.7× / 6.2
Incidents · South China Seasurge	4	136.2	6	71	5.0× / 0.8
Incidents · Philippine Sea	4	91.7	4	59	1.7× / 2.4
Derelicts · North Atlantic Oceansurge	4	63.7	1	270	2.9× / 1.4
Spills · Gulf of Mexicosurge	4	59	3	41	2.5× / 1.6
Incidents · North Atlantic Ocean	4	37	1	62	0.8× / 4.8
Exercises · Arabian Seasurge	4	15.4	0	—	2.2× / 1.8
Quakes · Philippine Sea	4	12	0	—	0.9× / 4.2
Exercises · Philippine Seanew	4	8.4	0	—	new / 0
Icebergs · North Atlantic Ocean	4	4	0	—	1.4× / 2.8
Spills · North Atlantic Ocean	3	63	0	—	1.4× / 2.2
Nav aids · Bay of Bengalnew	3	39.6	1	59	new / 0
Surveys · North Atlantic Oceansurge	3	37.9	0	—	3.8× / 0.8
Ordnance · Persian Gulfsurge	3	29.9	1	17	2.1× / 1.4
Exercises · Persian Gulfnew	3	11.3	0	—	new / 0
Quakes · Solomon Seasurge	3	9	0	—	2.5× / 1.2
Exercises · Gulf of Mexicosurge	3	6.2	0	—	7.5× / 0.4
Incidents · Coral Sea	3	0.9	0	—	0.8× / 4
Wrecks · North Sealong running	2	114.4	4	739	2.5× / 0.8
Other · Japan Sea	2	68.2	2	33	2.5× / 0.8
Nav aids · Mediterranean Sea - Western Basin	2	67.9	1	249	1.7× / 1.2
Nav aids · Arabian Sea	2	60.4	2	38	10× / 0.2
Cable ops · North Atlantic Ocean	2	54.3	1	97	0.2× / 8.8
Cable ops · Arabian Sea	2	49.1	1	59	3.3× / 0.6
Nav aids · North Atlantic Ocean	2	44.7	1	82	0.9× / 2.2
Surveys · North Sea	2	41.1	1	185	0.6× / 3.6
Surveys · Mediterranean Sea - Eastern Basinnew	2	38.3	2	28	new / 0
Nav aids · North Sea	2	33.8	1	140	0.6× / 3.4
Nav aids · English Channel	2	32.9	1	175	0.7× / 3
Incidents · Arafura Sea	2	25.5	1	25	10× / 0.2
Exercises · South China Sea	2	24.3	1	19	10× / 0.2
Exercises · Mediterranean Sea - Eastern Basin	2	22.9	1	19	0.7× / 3
Surveys · South Atlantic Ocean	2	21.8	1	26	2.5× / 0.8
Restricted · Bristol Channelnew	2	18.1	1	18	new / 0
Derelicts · Philippine Seanew	2	18.1	0	—	new / 0
Derelicts · Caribbean Sea	2	14	1	29	3.3× / 0.6
Exercises · South Pacific Ocean	2	13.9	0	—	1.7× / 1.2
Debris · North Atlantic Ocean	2	12.6	0	—	0.9× / 2.2
Exercises · Indian Oceannew	2	10.2	1	32	new / 0
Derelicts · Arabian Sea	2	9.5	1	6	2.0× / 1
Cable ops · North Sea	2	9.3	1	9	0.5× / 4
Nav aids · Tyrrhenian Sea	2	7.5	1	25	1.3× / 1.6
Quakes · Bismarck Sea	2	5.4	1	29	3.3× / 0.6
Quakes · North Atlantic Ocean	2	4	1	5	1.3× / 1.6
Incidents · Banda Seanew	2	3.6	0	—	new / 0
Nav aids · Irish Sea and St. George's Channel	2	2.2	0	—	0.8× / 2.6
Derelicts · South Atlantic Ocean	2	2	0	—	10× / 0.2
Derelicts · Celtic Sea	2	1.6	1	20	10× / 0.2
Cable ops · English Channel	2	0.7	0	—	0.8× / 2.6
Nav aids · Persian Gulflong running	1	121.2	4	573	1.0× / 1
Nav aids · Coral Sealong running	1	95.9	3	1,166	0.4× / 2.4
Nav aids · South Pacific Ocean	1	93.4	3	270	0.8× / 1.2
Cable ops · Mediterranean Sea - Eastern Basin	1	82.4	2	38	0.8× / 1.2
Nav aids · Red Sea	1	66.9	3	202	new / 0
Surveys · Gulf of Guinea	1	56.7	2	32	new / 0
Incidents · Eastern China Sea	1	23.3	1	23	new / 0
Surveys · Persian Gulf	1	21.5	1	21	5.0× / 0.2
Restricted · Indian Ocean	1	20.6	1	20	new / 0
Wrecks · Bay of Bengal	1	18.5	1	18	new / 0
Towing · Tyrrhenian Sea	1	17.6	1	17	new / 0
Exercises · Norwegian Sea	1	17.5	0	—	new / 0
Incidents · Mediterranean Sea - Western Basin	1	15.1	1	64	new / 0
Cable ops · Persian Gulf	1	14.6	1	14	0.6× / 1.6
Cable ops · Irish Sea and St. George's Channel	1	14	1	14	1.3× / 0.8
Spills · North Pacific Ocean	1	14	0	—	2.5× / 0.4
Nav aids · South China Sea	1	12.7	1	12	1.3× / 0.8
Other · North Pacific Ocean	1	12.6	0	—	1.0× / 1
Ordnance · Philippine Sea	1	12.4	1	12	1.0× / 1
Incidents · Celtic Sea	1	11.8	1	11	1.7× / 0.6
Incidents · North Sea	1	11.8	1	11	new / 0
Ordnance · Mediterranean Sea - Western Basin	1	11.7	1	11	2.5× / 0.4
Debris · South Pacific Ocean	1	11.7	0	—	new / 0
Exercises · Alboran Sea	1	9.5	0	—	new / 0
Exercises · Baltic Sea	1	8.6	0	—	new / 0
Surveys · Arabian Sea	1	6.8	0	—	new / 0
Icebergs · Barentsz Sea	1	6.7	0	—	new / 0
Other · Great Australian Bight	1	6.6	0	—	2.5× / 0.4
Debris · English Channel	1	6.4	0	—	new / 0
Containers · English Channel	1	6.3	0	—	new / 0
Incidents · Tasman Sea	1	6.2	0	—	1.3× / 0.8
Debris · Tyrrhenian Sea	1	6.2	0	—	new / 0
Ordnance · North Atlantic Ocean	1	5.7	0	—	0.4× / 2.6
Exercises · Andaman or Burma Sea	1	4.8	0	—	new / 0
Wrecks · Andaman or Burma Sea	1	4.6	0	—	new / 0
Other · Yellow Sea	1	4.5	1	4	1.3× / 0.8
Cable ops · Bass Strait	1	4.3	0	—	1.7× / 0.6
Restricted · North Sea	1	4.1	1	4	new / 0
Debris · Celtic Sea	1	4	0	—	new / 0
Exercises · Ionian Sea	1	3.4	0	—	0.7× / 1.4
Debris · South Atlantic Ocean	1	3.2	0	—	new / 0
Quakes · Banda Sea	1	3	0	—	2.5× / 0.4
Quakes · Ceram Sea	1	3	0	—	new / 0
Quakes · Coral Sea	1	3	0	—	0.6× / 1.6
Nav aids · Mozambique Channel	1	3	1	3	new / 0
Quakes · Norwegian Sea	1	3	0	—	2.5× / 0.4
Quakes · Sulu Sea	1	3	0	—	new / 0
Derelicts · Indian Ocean	1	2.9	1	2	1.7× / 0.6
Ordnance · Greenland Sea	1	2.7	0	—	2.5× / 0.4
Surveys · Baltic Sea	1	2.5	1	2	new / 0
Nav aids · Gulf of Aqaba	1	2.5	1	2	new / 0
Nav aids · Indian Ocean	1	2.5	0	—	2.5× / 0.4
Exercises · Sea of Azov	1	2.5	1	2	new / 0
Derelicts · South Pacific Ocean	1	1.4	0	—	0.8× / 1.2
Incidents · Caribbean Sea	1	1.3	0	—	new / 0
Nav aids · Gulf of Mexico	1	1	0	—	new / 0
Containers · Arabian Sea	1	0.8	1	0	new / 0
Cable ops · Celtic Sea	1	0.7	1	0	0.1× / 8
Derelicts · North Pacific Ocean	1	0.6	0	—	2.5× / 0.4
Ordnance · Inner Seas off the West Coast of Scotland	1	0.5	0	—	new / 0
Surveys · Sea of Okhotsk	1	0.4	1	0	new / 0
Incidents · Timor Sea	1	0.1	0	—	2.5× / 0.4
Nav aids · Gulf of Suez	0	114.9	2	88	0.0× / 0.8
Nav aids · Celtic Sea	0	90	3	80	0.0× / 2.8
Surveys · Greenland Sea	0	90	3	124	— / 0
Nav aids · Solomon Sealong running	0	90	3	491	0.0× / 0.2
Other · Black Sea	0	79.4	1	110	— / 0
Exercises · Aegean Sea	0	60	2	181	0.0× / 4.2
Wrecks · Baltic Sealong running	0	60	2	913	— / 0
Cable ops · Eastern China Sea	0	60	2	49	0.0× / 2.2
Surveys · Mediterranean Sea - Western Basinlong running	0	60	2	433	0.0× / 0.6
War risk · Persian Gulflong running	0	60	2	514	— / 0
Other · Mediterranean Sea - Eastern Basin	0	58.2	1	35	0.0× / 0.8
Other · Persian Gulf	0	47.1	1	146	0.0× / 0.2
Wrecks · North Atlantic Ocean	0	35.4	1	207	0.0× / 0.2
Incidents · Andaman or Burma Sea	0	30	1	34	— / 0
Wrecks · Arabian Sea	0	30	1	201	— / 0
Other · Bass Straitlong running	0	30	1	451	0.0× / 0.8
Surveys · English Channel	0	30	1	91	0.0× / 3.6
Wrecks · English Channellong running	0	30	1	620	0.0× / 0.4
Other · Greenland Sealong running	0	30	1	1,041	— / 0
Nav aids · Ionian Sea	0	30	1	170	0.0× / 0.4
Wrecks · Japan Sea	0	30	1	152	— / 0
Wrecks · Java Sea	0	30	1	53	— / 0
Wrecks · Kattegatlong running	0	30	1	861	— / 0
Nav aids · Laccadive Sea	0	30	1	59	— / 0
Other · Laccadive Sea	0	30	1	217	— / 0
Ordnance · Ligurian Sealong running	0	30	1	498	— / 0
Nav aids · Malacca Strait	0	30	1	147	— / 0
Other · Malacca Strait	0	30	1	277	0.0× / 0.4
Nav aids · Savu Sealong running	0	30	1	482	— / 0
Other · Sea of Okhotsk	0	30	1	109	— / 0
Wrecks · Skagerraklong running	0	30	1	964	— / 0
Cable ops · South China Sea	0	30	1	30	0.0× / 2.2
Wrecks · South China Sealong running	0	30	1	514	— / 0
Nav aids · Southern Ocean	0	30	1	163	— / 0
Wrecks · Southern Ocean	0	30	1	64	— / 0
Other · Tyrrhenian Sea	0	30	1	171	0.0× / 0.6
Derelicts · Bay of Bengal	0	27.5	0	—	— / 0
Ordnance · Indian Ocean	0	27.5	0	—	— / 0
Incidents · Adriatic Sea	0	27.4	0	—	— / 0
Restricted · North Atlantic Ocean	0	27.4	0	—	0.0× / 0.4
Exercises · Tyrrhenian Sea	0	19.8	0	—	0.0× / 1.2
Surveys · Black Sea	0	19.7	0	—	— / 0
Other · North Sea	0	19.7	0	—	0.0× / 0.8
Exercises · Mediterranean Sea - Western Basin	0	18.8	0	—	0.0× / 3.6
Surveys · Malacca Strait	0	18	0	—	— / 0
Other · Sea of Marmara	0	17.3	0	—	— / 0
Cable ops · Bay of Bengal	0	15	0	—	0.0× / 0.6
Spills · The Coastal Waters of Southeast Alaska and British Columbia	0	11	0	—	0.0× / 0.8
Wrecks · Persian Gulf	0	5.4	0	—	0.0× / 1
Incidents · Solomon Sea	0	5.4	0	—	0.0× / 0.2
Cable ops · Gulf of Suez	0	4.4	0	—	— / 0
Containers · Tyrrhenian Sea	0	4	0	—	— / 0
Containers · Indian Ocean	0	3	0	—	— / 0
Debris · Mediterranean Sea - Western Basin	0	2	0	—	— / 0
Nav aids · Bristol Channel	0	1.7	0	—	0.0× / 0.8

Cite: seahazards.com Sea Ledger, 2003-06, 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.