Sea Ledger, July 2005

2005-07-01 to 2005-07-31 · archive

issued: 282
warning-days in force: 8,394
in force at month end: 285
sea × type cells: 199

baseline: same month, previous 5 years (2004-07, 2003-07, 2002-07, 2001-07, 2000-07)

By type

type	issued	warning-days	in force at end
Exercises	62	750	18
Nav aids	41	2,865.9	101
Quakes	35	107	4
Incidents	31	443.6	19
Cable ops	25	739.7	26
Surveys	24	1,094.3	37
Other	12	491.4	16
Derelicts	9	54.3	3
Wrecks	7	1,004.5	31
Missiles	6	62	2
Ordnance	6	206.1	7
Spills	6	83	4
Restricted	4	153.7	7
Volcanic	4	60.4	2
Icebergs	4	25.2	0
Containers	3	19.4	0
Debris	2	74.9	2
Structures	1	65.9	3
War risk	0	31	1
Piracy	0	62	2

By sea and type · 199 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Exercises · North Pacific Ocean	11	61.9	1	34	1.3× / 8.2
Exercises · Laccadive Sea	9	51.8	0	—	1.7× / 5.2
Exercises · North Atlantic Ocean	7	58.9	2	207	0.9× / 7.8
Quakes · South Pacific Ocean	7	21.7	0	—	0.9× / 7.4
Nav aids · South Atlantic Ocean	6	201.7	7	232	1.0× / 6.2
Exercises · Japan Seasurge	6	93.4	2	36	2.3× / 2.6
Missiles · North Pacific Ocean	6	62	2	55	1.1× / 5.4
Incidents · Philippine Sea	6	45	3	27	0.8× / 7.6
Quakes · North Pacific Ocean	6	20.7	1	31	1.3× / 4.8
Quakes · Indian Oceansurge	6	15.5	2	27	2.0× / 3
Surveys · Mediterranean Sea - Eastern Basin	5	64.3	3	52	1.8× / 2.8
Exercises · South Atlantic Oceansurge	5	45.6	0	—	8.3× / 0.6
Exercises · South Pacific Oceansurge	5	22.4	2	25	2.5× / 2
Surveys · South Atlantic Oceansurge	5	13.5	0	—	4.2× / 1.2
Nav aids · North Sea	4	281.1	8	257	0.9× / 4.6
Nav aids · North Atlantic Ocean	4	65.6	2	71	0.9× / 4.6
Cable ops · Bass Straitsurge	4	48.8	1	27	20× / 0.2
Incidents · North Atlantic Ocean	4	31	0	—	0.8× / 5.2
Volcanic · Philippine Seasurge	4	29.4	1	29	20× / 0.2
Icebergs · Southern Oceansurge	4	25.2	0	—	10× / 0.4
Exercises · Bay of Bengal	4	8.6	0	—	1.3× / 3
Ordnance · North Seasurge	3	143.9	5	73	5.0× / 0.6
Nav aids · English Channel	3	123.3	4	229	1.9× / 1.6
Nav aids · Bay of Bengalsurge	3	112.2	5	158	2.5× / 1.2
Incidents · North Pacific Ocean	3	78.5	2	39	0.4× / 8
Nav aids · North Pacific Oceansurge	3	76.3	4	344	3.8× / 0.8
Surveys · Celtic Sea	3	64.3	3	31	0.5× / 5.8
Other · Persian Gulfsurge	3	61.8	2	43	15× / 0.2
Spills · Gulf of Mexico	3	49	2	34	1.0× / 3
Other · North Pacific Oceannew	3	40.9	1	188	new / 0
Derelicts · Mediterranean Sea - Eastern Basin	3	24.4	1	37	1.3× / 2.4
Derelicts · South Atlantic Ocean	3	15.4	2	26	1.1× / 2.8
Nav aids · South Pacific Ocean	2	151.1	5	187	0.9× / 2.2
Exercises · Aegean Sea	2	133.6	5	209	3.3× / 0.6
Nav aids · Caribbean Sea	2	103	4	226	2.5× / 0.8
Cable ops · South China Sea	2	95.5	4	112	0.8× / 2.4
Incidents · South Pacific Oceanlong running	2	89.6	3	398	0.3× / 7.2
Cable ops · Mediterranean Sea - Eastern Basin	2	71.8	3	52	2.5× / 0.8
Exercises · Yellow Sea	2	68.5	2	37	2.5× / 0.8
Cable ops · North Sea	2	66.7	3	96	0.5× / 4.2
Incidents · Indian Ocean	2	61.8	3	106	0.5× / 4
Nav aids · Mediterranean Sea - Western Basin	2	47.5	3	222	5.0× / 0.4
Cable ops · Eastern China Sea	2	44.9	2	24	1.4× / 1.4
Cable ops · North Atlantic Ocean	2	37.9	2	28	0.2× / 9.8
Restricted · Black Seanew	2	35.8	2	19	new / 0
Incidents · Mediterranean Sea - Eastern Basin	2	31.9	1	103	1.1× / 1.8
Spills · North Pacific Ocean	2	31	1	35	2.5× / 0.8
Cable ops · Sea of Okhotsk	2	30.1	1	30	5.0× / 0.4
Cable ops · Celtic Sea	2	26.1	0	—	0.2× / 8.2
Exercises · Black Sea	2	20	0	—	1.0× / 2
Incidents · South China Sea	2	19.9	1	19	0.9× / 2.2
Incidents · South Atlantic Ocean	2	9.2	0	—	0.3× / 6
Quakes · Coral Sea	2	8.6	0	—	1.1× / 1.8
Quakes · Bay of Bengal	2	6	0	—	3.3× / 0.6
Quakes · Molukka Sea	2	6	0	—	3.3× / 0.6
Surveys · North Sea	2	4.8	0	—	0.3× / 6.4
Nav aids · Tasman Sea	1	186	6	343	0.8× / 1.2
Nav aids · Coral Sealong running	1	155.5	5	405	0.5× / 2
Nav aids · Tyrrhenian Sea	1	145	5	255	1.0× / 1
Other · North Sea	1	96.4	4	103	0.5× / 2.2
Exercises · Ionian Sea	1	94.5	3	209	0.4× / 2.6
Nav aids · Celtic Sea	1	93.3	4	267	0.4× / 2.6
Wrecks · South China Sea	1	93	3	337	5.0× / 0.2
Wrecks · Mediterranean Sea - Eastern Basinlong running	1	89.3	3	398	2.5× / 0.4
Wrecks · Arabian Sea	1	89.2	3	334	5.0× / 0.2
Surveys · Bay of Bengal	1	81.5	3	271	5.0× / 0.2
Wrecks · Persian Gulf	1	75.7	1	284	5.0× / 0.2
Surveys · Arctic Oceanlong running	1	75.5	3	570	new / 0
Nav aids · Irish Sea and St. George's Channel	1	69.3	2	87	0.5× / 2
Wrecks · English Channel	1	66.7	2	54	new / 0
Nav aids · Inner Seas off the West Coast of Scotland	1	62.5	3	52	0.4× / 2.6
Wrecks · South Atlantic Ocean	1	50.7	2	140	new / 0
Nav aids · Arafura Sea	1	50.1	2	45	5.0× / 0.2
Surveys · North Atlantic Ocean	1	46.6	1	160	0.6× / 1.6
Wrecks · Indian Ocean	1	43.9	1	237	new / 0
Nav aids · Mozambique Channel	1	36.1	2	110	1.7× / 0.6
Surveys · Bass Strait	1	32	1	71	5.0× / 0.2
Exercises · Mediterranean Sea - Eastern Basin	1	31.9	1	62	0.3× / 3.2
Surveys · Adriatic Sea	1	31.6	1	42	5.0× / 0.2
Nav aids · Mediterranean Sea - Eastern Basin	1	31.3	1	345	1.7× / 0.6
Other · Indian Ocean	1	31.2	1	74	1.7× / 0.6
Other · Arabian Sea	1	31.1	1	41	2.5× / 0.4
Cable ops · Mediterranean Sea - Western Basin	1	30.9	0	—	0.4× / 2.4
Other · Coral Sea	1	28.5	1	28	5.0× / 0.2
Cable ops · Caribbean Sea	1	25.7	1	25	new / 0
Nav aids · Laccadive Sea	1	24.9	1	24	new / 0
Other · North Atlantic Ocean	1	24.7	0	—	0.2× / 6.4
Surveys · Timor Sea	1	24.7	1	24	new / 0
Incidents · Sea of Okhotsk	1	23.6	1	23	2.5× / 0.4
Incidents · Gulf of Aden	1	21.1	1	21	new / 0
Cable ops · Persian Gulf	1	20.7	1	20	0.8× / 1.2
Restricted · North Atlantic Ocean	1	20.4	1	20	2.5× / 0.4
Cable ops · Davis Strait	1	17.6	1	17	new / 0
Surveys · North Pacific Ocean	1	17.6	0	—	5.0× / 0.2
Other · Sea of Okhotsk	1	17.6	1	17	new / 0
Cable ops · Laccadive Sea	1	15.4	1	31	new / 0
Ordnance · North Pacific Ocean	1	15.4	1	15	5.0× / 0.2
Exercises · Caribbean Sea	1	14.4	0	—	5.0× / 0.2
Nav aids · Philippine Sea	1	12.5	1	12	1.7× / 0.6
Cable ops · Tyrrhenian Sea	1	12.2	0	—	1.7× / 0.6
Ordnance · Persian Gulf	1	11.8	0	—	1.7× / 0.6
Surveys · Tyrrhenian Sea	1	11.3	1	11	0.7× / 1.4
Incidents · Gulf of Guinea	1	11.1	1	11	1.7× / 0.6
Incidents · Coral Sea	1	10	1	10	0.2× / 5.8
Derelicts · Bay of Bengal	1	6.9	0	—	new / 0
Containers · Arabian Sea	1	6.7	0	—	2.5× / 0.4
Containers · South Atlantic Ocean	1	6.6	0	—	new / 0
Debris · South China Sea	1	6.6	0	—	new / 0
Derelicts · Caribbean Sea	1	6.5	0	—	new / 0
Debris · Gulf of Mexico	1	6.3	0	—	new / 0
Containers · South Pacific Ocean	1	6.1	0	—	1.3× / 0.8
Incidents · Yellow Sea	1	5.7	1	5	new / 0
Exercises · Persian Gulf	1	5.1	0	—	new / 0
Exercises · Tyrrhenian Sea	1	5	0	—	0.6× / 1.8
Incidents · Tasman Sea	1	4.6	1	4	0.7× / 1.4
Restricted · Norwegian Sea	1	4.5	1	4	new / 0
Structures · Arabian Sea	1	3.9	1	3	new / 0
Cable ops · Norwegian Sea	1	3.4	1	3	1.3× / 0.8
Quakes · Andaman or Burma Sea	1	3	0	—	1.7× / 0.6
Quakes · Banda Sea	1	3	0	—	1.3× / 0.8
Quakes · Bering Sea	1	3	0	—	5.0× / 0.2
Quakes · Greenland Sea	1	3	0	—	new / 0
Quakes · Makassar Strait	1	3	0	—	new / 0
Spills · North Atlantic Ocean	1	3	1	3	1.0× / 1
Quakes · Norwegian Sea	1	3	0	—	new / 0
Quakes · Philippine Sea	1	3	0	—	0.2× / 4.8
Quakes · South Atlantic Ocean	1	3	0	—	0.6× / 1.6
Quakes · Timor Sea	1	3	0	—	new / 0
Exercises · Andaman or Burma Sea	1	2.8	0	—	2.5× / 0.4
Ordnance · Mediterranean Sea - Western Basin	1	2.5	0	—	1.7× / 0.6
Quakes · Southern Ocean	1	1.5	1	1	1.3× / 0.8
Derelicts · Philippine Sea	1	1.1	0	—	1.7× / 0.6
Exercises · Bering Sea	1	1	0	—	5.0× / 0.2
Exercises · Mediterranean Sea - Western Basin	1	0.6	0	—	0.5× / 2.2
Nav aids · Timor Sea	1	0.6	0	—	new / 0
Incidents · Great Australian Bight	1	0.5	0	—	5.0× / 0.2
Exercises · Arabian Sea	1	0.3	0	—	0.5× / 2.2
Surveys · Black Sea	1	0.2	0	—	new / 0
Incidents · Bass Strait	1	0.1	0	—	new / 0
Nav aids · Arabian Sea	0	217	7	347	0.0× / 0.8
Surveys · Baffin Baylong running	0	155	5	668	— / 0
Nav aids · Indian Ocean	0	155	5	113	0.0× / 0.4
Wrecks · Irish Sea and St. George's Channel	0	124	4	328	0.0× / 0.2
Other · Bay of Bengal	0	93	3	151	— / 0
Surveys · Beaufort Sealong running	0	93	3	570	— / 0
Nav aids · Great Australian Bight	0	93	3	239	0.0× / 0.2
Nav aids · Red Sea	0	93	3	363	0.0× / 0.2
Surveys · Arabian Sea	0	62	2	141	— / 0
Nav aids · Bass Strait	0	62	2	173	0.0× / 0.8
Wrecks · North Sea	0	62	2	282	0.0× / 0.4
Piracy · Persian Gulf	0	62	2	173	— / 0
Surveys · Sea of Okhotsk	0	62	2	52	0.0× / 0.6
Wrecks · South Pacific Oceanlong running	0	62	2	427	0.0× / 0.6
Surveys · Tasman Sea	0	62	2	187	— / 0
Wrecks · Yellow Sealong running	0	62	2	410	— / 0
Cable ops · Bay of Bengal	0	44.1	1	155	0.0× / 1
Cable ops · South Atlantic Ocean	0	34.2	1	116	0.0× / 31.6
Structures · Adriatic Sea	0	31	1	317	— / 0
Nav aids · Andaman or Burma Sea	0	31	1	200	0.0× / 0.6
Volcanic · Andaman or Burma Sea	0	31	1	55	— / 0
Debris · Arctic Ocean	0	31	1	222	— / 0
Surveys · Bering Sea	0	31	1	103	— / 0
Cable ops · Black Sea	0	31	1	82	0.0× / 0.4
Wrecks · Caribbean Sea	0	31	1	193	— / 0
Surveys · Chukchi Sea	0	31	1	103	— / 0
Surveys · Greenland Sealong running	0	31	1	886	— / 0
Nav aids · Gulf of Mexico	0	31	1	111	— / 0
Wrecks · Gulf of Mexico	0	31	1	307	— / 0
Ordnance · Gulf of Omanlong running	0	31	1	397	0.0× / 0.2
Nav aids · Gulf of Suez	0	31	1	246	0.0× / 0.6
Wrecks · Gulf of Suez	0	31	1	106	— / 0
Restricted · Indian Ocean	0	31	1	98	0.0× / 0.2
Surveys · Indian Ocean	0	31	1	209	— / 0
Nav aids · Ionian Sea	0	31	1	32	— / 0
Restricted · Irish Sea and St. George's Channel	0	31	1	37	— / 0
Cable ops · Labrador Sea	0	31	1	37	— / 0
Wrecks · Malacca Strait	0	31	1	296	— / 0
Debris · North Pacific Ocean	0	31	1	46	— / 0
Wrecks · North Pacific Ocean	0	31	1	188	0.0× / 0.2
Nav aids · Persian Gulf	0	31	1	32	0.0× / 0.8
Restricted · Persian Gulf	0	31	1	73	— / 0
Structures · Persian Gulf	0	31	1	286	— / 0
War risk · Persian Gulflong running	0	31	1	454	— / 0
Surveys · Philippine Sea	0	31	1	85	0.0× / 0.2
Nav aids · Singapore Strait	0	31	1	147	0.0× / 0.4
Wrecks · Singapore Straitlong running	0	31	1	433	— / 0
Nav aids · South China Sea	0	31	1	32	— / 0
Cable ops · South Pacific Ocean	0	31	1	155	0.0× / 0.4
Other · South Pacific Ocean	0	31	1	94	0.0× / 0.6
Surveys · Strait of Gibraltar	0	31	1	64	— / 0
Other · Tasman Sea	0	31	1	264	0.0× / 0.2
Exercises · Malacca Strait	0	29.7	0	—	0.0× / 1
Cable ops · Philippine Sea	0	12	0	—	— / 0
Cable ops · Arabian Sea	0	8	0	—	0.0× / 0.6
Surveys · Bristol Channel	0	6.4	0	—	— / 0
Other · Labrador Sea	0	4	0	—	0.0× / 1.6
Ordnance · Philippine Sea	0	1.5	0	—	0.0× / 0.2
Cable ops · English Channel	0	0.7	0	—	0.0× / 1.2
Other · South Atlantic Ocean	0	0.2	0	—	0.0× / 0.4

Cite: seahazards.com Sea Ledger, 2005-07, 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.