Sea Ledger, June 2007

2007-06-01 to 2007-06-30 · archive

issued: 328
warning-days in force: 14,890
in force at month end: 515
sea × type cells: 240

baseline: same month, previous 5 years (2006-06, 2005-06, 2004-06, 2003-06, 2002-06)

By type

type	issued	warning-days	in force at end
Cable ops	60	1,529.7	48
Exercises	54	801.1	21
Incidents	46	1,318.1	54
Nav aids	45	5,248.9	178
Quakes	29	148.1	7
Derelicts	24	154.2	11
Surveys	24	2,109.1	71
Spills	12	173	6
Other	8	991.2	35
Icebergs	7	45.8	2
Restricted	4	261.3	8
Missiles	4	60	2
Debris	3	45.5	3
Wrecks	2	1,346.4	46
Ordnance	2	159.3	6
Containers	2	12.4	0
Towing	1	43.9	2
Mines	1	21.5	1
Volcanic	0	180	6
Structures	0	210	7
Piracy	0	30	1

By sea and type · 200 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Cable ops · South Atlantic Oceansurge	34	131.1	3	34	2.2× / 15.4
Nav aids · North Seasurge	10	289	9	254	2.3× / 4.4
Incidents · North Pacific Ocean	9	391.6	15	75	1.2× / 7.6
Incidents · Philippine Sea	9	130	6	77	1.9× / 4.8
Exercises · North Pacific Ocean	8	68.5	1	34	1.0× / 8.2
Cable ops · North Atlantic Oceansurge	7	116.5	5	50	2.3× / 3
Incidents · North Atlantic Ocean	7	114.7	4	240	1.8× / 3.8
Derelicts · North Atlantic Oceansurge	7	45.6	2	30	4.4× / 1.6
Exercises · Bay of Bengal	7	39.5	2	27	1.3× / 5.6
Spills · Gulf of Mexicosurge	6	91	2	41	3.8× / 1.6
Incidents · South Pacific Ocean	6	85.7	4	72	0.9× / 7
Surveys · North Atlantic Oceansurgelong running	6	64.2	2	451	2.7× / 2.2
Exercises · South Atlantic Oceansurge	6	34.6	1	32	2.7× / 2.2
Quakes · South Pacific Ocean	6	15.6	4	32	0.7× / 8.6
Surveys · Mediterranean Sea - Eastern Basinsurge	5	94.2	4	197	3.6× / 1.4
Nav aids · South Atlantic Ocean	4	156.6	3	238	0.8× / 4.8
Cable ops · Celtic Sea	4	97.8	4	144	0.7× / 6
Nav aids · English Channellong running	4	94.8	3	622	1.5× / 2.6
Exercises · Japan Sea	4	77.9	1	34	1.7× / 2.4
Missiles · North Pacific Ocean	4	60	2	34	0.8× / 5.2
Exercises · North Atlantic Ocean	4	55.8	0	—	0.4× / 9
Spills · North Atlantic Oceansurge	4	46	2	27	4.0× / 1
Exercises · Laccadive Sea	4	45.1	2	40	0.5× / 8.6
Icebergs · South Atlantic Ocean	4	33.8	0	—	1.5× / 2.6
Exercises · Baltic Seasurge	4	24.1	1	32	20× / 0.2
Nav aids · South Pacific Oceanlong running	3	578.9	21	541	1.7× / 1.8
Incidents · Indian Ocean	3	163.4	6	60	1.3× / 2.4
Incidents · South Atlantic Ocean	3	108.3	5	61	0.6× / 5
Nav aids · Inner Seas off the West Coast of Scotlandlong running	3	104.1	4	387	0.8× / 4
Nav aids · Bass Straitsurge	3	93.3	4	285	15× / 0.2
Nav aids · North Atlantic Oceanlong running	3	92.6	4	529	0.8× / 3.6
Exercises · Black Sea	3	44.1	2	72	0.4× / 7.6
Nav aids · Celtic Sea	3	40.7	2	23	1.5× / 2
Derelicts · Arabian Seasurge	3	27.2	3	19	3.0× / 1
Surveys · English Channelsurge	3	25.2	1	25	3.0× / 1
Icebergs · Southern Oceansurge	3	12	2	9	2.1× / 1.4
Quakes · South Atlantic Oceansurge	3	10.8	0	—	5.0× / 0.6
Quakes · Coral Sea	3	9.2	0	—	1.9× / 1.6
Quakes · Bismarck Seasurge	3	9	0	—	3.8× / 0.8
Quakes · Indian Ocean	3	9	0	—	1.4× / 2.2
Quakes · North Pacific Ocean	3	9	0	—	0.5× / 6.6
Quakes · Solomon Seasurge	3	8.9	1	16	3.8× / 0.8
Derelicts · Indian Oceansurge	3	4.2	1	18	3.8× / 0.8
Nav aids · Coral Sealong running	2	394.7	13	1,091	1.0× / 2
Cable ops · North Sea	2	110.3	4	80	1.4× / 1.4
Nav aids · Irish Sea and St. George's Channellong running	2	94.6	4	478	0.8× / 2.6
Exercises · Yellow Sea	2	69.1	1	34	0.9× / 2.2
Cable ops · Gulf of Mexico	2	51.2	2	38	10× / 0.2
Incidents · Bay of Bengal	2	50.8	3	50	5.0× / 0.4
Other · North Atlantic Ocean	2	39.6	3	59	0.5× / 4
Cable ops · Sea of Okhotsk	2	32	2	17	5.0× / 0.4
Restricted · North Atlantic Oceannew	2	29.8	1	25	new / 0
Nav aids · Gulf of Alaskanew	2	26.4	1	23	new / 0
Surveys · Aegean Seanew	2	21.8	1	30	new / 0
Derelicts · South Atlantic Ocean	2	20.9	1	19	1.7× / 1.2
Incidents · South China Sea	2	20.6	2	17	1.1× / 1.8
Surveys · Philippine Sea	2	17.2	1	26	5.0× / 0.4
Exercises · Arabian Sea	2	12.7	1	33	0.5× / 4
Exercises · South Pacific Ocean	2	12.6	0	—	0.8× / 2.6
Derelicts · Timor Sea	2	12.5	0	—	3.3× / 0.6
Debris · North Pacific Ocean	2	11.7	1	13	5.0× / 0.4
Cable ops · Eastern China Seanew	2	9.3	0	—	new / 0
Quakes · Philippine Sea	2	6	0	—	2.0× / 1
Other · Southern Oceannew	2	4	0	—	new / 0
Derelicts · South Pacific Ocean	2	2.8	1	4	1.0× / 2
Nav aids · Caribbean Sealong running	1	378.6	13	747	5.0× / 0.2
Exercises · Aegean Sea	1	184.3	6	178	0.6× / 1.6
Wrecks · North Sealong running	1	183.3	7	641	2.5× / 0.4
Cable ops · Indian Ocean	1	158.1	6	156	new / 0
Cable ops · South China Sea	1	107	3	111	2.5× / 0.4
Cable ops · Mediterranean Sea - Eastern Basin	1	97.8	2	165	0.4× / 2.8
Nav aids · Gulf of Mexicolong running	1	90.7	3	810	1.7× / 0.6
Exercises · Ionian Sea	1	89.3	3	169	1.0× / 1
Cable ops · South Pacific Ocean	1	76.3	2	78	5.0× / 0.2
Nav aids · Andaman or Burma Sealong running	1	66.7	2	605	5.0× / 0.2
Nav aids · Mediterranean Sea - Eastern Basinlong running	1	62.1	2	1,044	5.0× / 0.2
Ordnance · North Sea	1	60	2	64	1.3× / 0.8
Surveys · Bay of Bengal	1	57.3	2	93	5.0× / 0.2
Cable ops · Persian Gulf	1	57	2	71	2.5× / 0.4
Nav aids · Sea of Okhotsklong running	1	55.4	2	375	5.0× / 0.2
Towing · South Atlantic Ocean	1	43.9	2	224	new / 0
Surveys · Japan Sea	1	43.8	1	30	new / 0
Restricted · Mediterranean Sea - Eastern Basinlong running	1	41.8	1	389	2.5× / 0.4
Surveys · Indian Ocean	1	37.3	2	269	new / 0
Surveys · North Pacific Oceanlong running	1	31.5	1	698	2.5× / 0.4
Incidents · Tasman Sea	1	30.5	1	32	0.8× / 1.2
Other · Tasman Sea	1	30.2	1	158	2.5× / 0.4
Spills · North Pacific Ocean	1	24	1	43	1.3× / 0.8
Wrecks · English Channel	1	23.1	1	23	2.5× / 0.4
Mines · English Channel	1	21.5	1	21	new / 0
Incidents · Arabian Sea	1	21.2	1	71	0.5× / 2.2
Surveys · South Pacific Ocean	1	16.9	0	—	5.0× / 0.2
Exercises · Mediterranean Sea - Eastern Basin	1	16.7	0	—	0.3× / 3.6
Cable ops · Gulf of Thailand	1	16.6	0	—	5.0× / 0.2
Cable ops · Singapore Strait	1	16.5	1	16	new / 0
Derelicts · Bay of Bengal	1	14.2	1	14	5.0× / 0.2
Exercises · Philippine Sea	1	14.2	0	—	0.7× / 1.4
Nav aids · Baltic Sea	1	12.4	1	12	new / 0
Surveys · South Atlantic Ocean	1	12.2	1	12	1.0× / 1
Spills · The Coastal Waters of Southeast Alaska and British Columbia	1	12	1	12	2.5× / 0.4
Ordnance · South Pacific Ocean	1	9.3	1	9	new / 0
Derelicts · Arafura Sea	1	6.7	0	—	1.7× / 0.6
Derelicts · Mediterranean Sea - Western Basin	1	6.6	0	—	new / 0
Containers · Arabian Sea	1	6.3	0	—	1.7× / 0.6
Containers · Mediterranean Sea - Western Basin	1	6.1	0	—	new / 0
Other · North Pacific Ocean	1	5.5	1	5	1.7× / 0.6
Exercises · Indian Ocean	1	3.9	0	—	1.3× / 0.8
Exercises · Red Sea	1	3.9	0	—	5.0× / 0.2
Quakes · Molukka Sea	1	3.8	0	—	1.0× / 1
Debris · South Atlantic Ocean	1	3.8	1	3	5.0× / 0.2
Derelicts · Philippine Sea	1	3.6	1	3	2.5× / 0.4
Exercises · Alboran Sea	1	3.3	0	—	5.0× / 0.2
Restricted · South Atlantic Ocean	1	3.3	0	—	new / 0
Quakes · Banda Sea	1	3	0	—	2.5× / 0.4
Quakes · Southern Ocean	1	3	0	—	2.5× / 0.4
Derelicts · Bass Strait	1	2.9	1	2	new / 0
Incidents · Solomon Sea	1	2.3	0	—	new / 0
Exercises · Persian Gulf	1	1.5	0	—	1.3× / 0.8
Incidents · Timor Sea	1	0.6	1	0	2.5× / 0.4
Incidents · English Channel	1	0.4	1	0	new / 0
Other · Inner Seas off the West Coast of Scotland	1	0.3	0	—	5.0× / 0.2
Other · Irish Sea and St. George's Channel	1	0	0	—	5.0× / 0.2
Surveys · Beaufort Sealong running	0	690	23	1,269	— / 0
Nav aids · Arabian Sealong running	0	450	15	537	0.0× / 1.4
Surveys · Arctic Oceanlong running	0	360	12	1,269	— / 0
Nav aids · Indian Oceanlong running	0	330	11	411	0.0× / 1.8
Nav aids · Bay of Bengallong running	0	240	8	747	0.0× / 2.2
Nav aids · Mozambique Channellong running	0	210	7	809	0.0× / 0.4
Nav aids · Laccadive Sealong running	0	180	6	540	0.0× / 1
Wrecks · Mediterranean Sea - Eastern Basinlong running	0	180	6	1,097	0.0× / 0.2
Nav aids · North Pacific Oceanlong running	0	180	6	710	0.0× / 0.4
Wrecks · Persian Gulf	0	180	6	336	— / 0
Surveys · Baffin Baylong running	0	150	5	1,367	— / 0
Nav aids · Tyrrhenian Sealong running	0	150	5	954	0.0× / 0.8
Nav aids · Arafura Sea	0	120	4	327	0.0× / 0.2
Cable ops · Bay of Bengal	0	120	4	215	0.0× / 1
Nav aids · Bering Sea	0	120	4	346	— / 0
Nav aids · Mediterranean Sea - Western Basinlong running	0	120	4	435	0.0× / 0.8
Cable ops · Tasman Sealong running	0	101.2	3	517	— / 0
Incidents · Gulf of Guinea	0	90	3	253	0.0× / 0.4
Nav aids · Gulf of Suez	0	90	3	198	0.0× / 0.2
Other · Indian Oceanlong running	0	90	3	464	— / 0
Surveys · Laptev Sealong running	0	90	3	403	— / 0
Structures · Mediterranean Sea - Eastern Basinlong running	0	90	3	373	0.0× / 0.2
Other · Persian Gulflong running	0	90	3	509	0.0× / 0.8
Other · South Atlantic Ocean	0	90	3	273	0.0× / 1.6
Other · South Pacific Oceanlong running	0	90	3	369	0.0× / 0.2
Nav aids · Tasman Sealong running	0	90	3	504	0.0× / 0.2
Nav aids · Great Australian Bightlong running	0	67.3	2	373	0.0× / 1
Other · Arabian Sealong running	0	60	2	500	0.0× / 0.2
Quakes · Bay of Bengal	0	60	2	201	0.0× / 0.4
Other · Bay of Bengal	0	60	2	243	0.0× / 0.2
Wrecks · Bay of Bengallong running	0	60	2	393	0.0× / 0.4
Wrecks · Coral Sealong running	0	60	2	521	— / 0
Other · Mediterranean Sea - Eastern Basin	0	60	2	72	0.0× / 0.6
Nav aids · Persian Gulf	0	60	2	315	0.0× / 0.8
Volcanic · Philippine Sea	0	60	2	269	0.0× / 0.2
Wrecks · Philippine Sealong running	0	60	2	446	— / 0
Other · South China Sealong running	0	60	2	381	0.0× / 0.4
Wrecks · South China Sealong running	0	60	2	982	0.0× / 0.6
Volcanic · South Pacific Ocean	0	60	2	147	— / 0
Wrecks · South Pacific Ocean	0	60	2	288	— / 0
Wrecks · Tasman Sealong running	0	60	2	407	— / 0
Surveys · The Northwestern Passages	0	60	2	252	— / 0
Ordnance · Tyrrhenian Sea	0	60	2	226	0.0× / 0.2
Wrecks · Tyrrhenian Sealong running	0	60	2	466	— / 0
Cable ops · Black Sea	0	57.8	0	—	0.0× / 0.4
Cable ops · Sulu Sea	0	49	1	64	0.0× / 0.2
Surveys · Sea of Okhotsk	0	45	1	34	0.0× / 0.6
Surveys · Persian Gulf	0	36.4	1	301	0.0× / 0.2
Cable ops · Adriatic Sea	0	30	1	39	— / 0
Surveys · Arabian Sealong running	0	30	1	536	0.0× / 0.2
Wrecks · Arabian Sealong running	0	30	1	434	0.0× / 0.2
Incidents · Arafura Sea	0	30	1	40	0.0× / 0.4
Debris · Arctic Oceanlong running	0	30	1	921	— / 0
Volcanic · Banda Sea	0	30	1	89	— / 0
Restricted · Bay of Bengallong running	0	30	1	438	— / 0
Ordnance · Black Sea	0	30	1	33	— / 0
Cable ops · Caribbean Sea	0	30	1	86	— / 0
Other · Caribbean Sea	0	30	1	215	— / 0
Restricted · Caribbean Sea	0	30	1	137	— / 0
Wrecks · Caribbean Sea	0	30	1	243	0.0× / 0.2
Surveys · Chukchi Sealong running	0	30	1	802	— / 0
Other · Coral Sea	0	30	1	111	0.0× / 0.4
Other · Eastern China Sealong running	0	30	1	460	— / 0
Surveys · Greenland Sealong running	0	30	1	1,585	— / 0
Cable ops · Gulf of Guinea	0	30	1	103	— / 0
Other · Gulf of Guinea	0	30	1	88	— / 0
Wrecks · Gulf of Guinea	0	30	1	260	— / 0
Other · Gulf of Mexicolong running	0	30	1	586	0.0× / 0.2
Structures · Gulf of Mexico	0	30	1	74	— / 0
Other · Gulf of Suezlong running	0	30	1	484	0.0× / 0.2
Structures · Gulf of Suez	0	30	1	73	— / 0
Surveys · Gulf of Suez	0	30	1	347	0.0× / 0.6
Other · Gulf of Thailand	0	30	1	198	— / 0
Restricted · Indian Oceanlong running	0	30	1	797	0.0× / 0.2
Wrecks · Indian Oceanlong running	0	30	1	936	0.0× / 0.2
Nav aids · Ionian Sealong running	0	30	1	429	0.0× / 0.8
Wrecks · Irish Sea and St. George's Channellong running	0	30	1	1,024	0.0× / 0.2
Cable ops · Japan Sea	0	30	1	59	— / 0

Cite: seahazards.com Sea Ledger, 2007-06, 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.