Sea Ledger, June 2008

2008-06-01 to 2008-06-30 · archive

issued: 332
warning-days in force: 8,435
in force at month end: 271
sea × type cells: 223

baseline: same month, previous 5 years (2007-06, 2006-06, 2005-06, 2004-06, 2003-06)

By type

type	issued	warning-days	in force at end
Exercises	56	641	16
Incidents	55	1,010.2	31
Nav aids	46	1,931.5	64
Cable ops	46	1,064.1	32
Quakes	38	116.6	4
Spills	17	214	10
Surveys	15	2,023.5	67
Other	14	340.2	13
Derelicts	8	93.2	3
Missiles	7	60	2
Icebergs	7	44.7	1
Volcanic	4	127.6	4
Restricted	4	89	3
Wrecks	3	397.3	13
Piracy	3	61.6	1
Containers	3	18.2	1
Debris	3	59.5	2
Ordnance	2	62.2	1
Towing	1	7.4	1
Structures	0	73.4	2

By sea and type · 200 cells, most issued first

cell	issued	warning-days	at end	longest d	vs 5 y
Exercises · North Pacific Ocean	12	93.5	1	33	1.4× / 8.6
Spills · Gulf of Mexicosurge	11	127	7	41	3.9× / 2.8
Nav aids · North Sea	10	98.3	4	175	1.7× / 5.8
Cable ops · South Atlantic Ocean	10	70.7	1	62	0.6× / 15.8
Incidents · South Pacific Ocean	9	152.8	6	76	1.5× / 6
Quakes · South Pacific Ocean	9	30	0	—	1.1× / 8
Exercises · North Atlantic Ocean	8	96.6	3	48	1.0× / 7.8
Exercises · Japan Seasurge	7	93	3	31	2.2× / 3.2
Missiles · North Pacific Ocean	7	60	2	59	1.4× / 5
Icebergs · South Atlantic Oceansurge	7	44.7	1	36	2.1× / 3.4
Incidents · Mediterranean Sea - Eastern Basinsurge	6	109	3	75	2.7× / 2.2
Cable ops · North Atlantic Oceansurgelong running	6	75	2	416	2.1× / 2.8
Nav aids · The Coastal Waters of Southeast Alaska and British Columbianew	6	18.1	0	—	new / 0
Incidents · Indian Oceansurge	6	17.5	2	22	2.5× / 2.4
Incidents · North Pacific Ocean	5	153.6	4	76	0.6× / 8
Cable ops · Mediterranean Sea - Eastern Basin	5	130.1	4	143	1.9× / 2.6
Incidents · Philippine Sea	5	42.6	2	72	0.9× / 5.8
Exercises · Bay of Bengal	5	38	2	57	0.8× / 6.6
Nav aids · Inner Seas off the West Coast of Scotland	5	21.2	1	75	1.1× / 4.4
Quakes · North Pacific Ocean	5	14.9	1	31	0.9× / 5.8
Nav aids · Gulf of Mexicosurge	4	147.7	5	262	5.0× / 0.8
Incidents · North Atlantic Ocean	4	84.6	2	70	0.9× / 4.4
Volcanic · Indian Oceannew	4	17.2	1	17	new / 0
Surveys · Mediterranean Sea - Eastern Basin	3	66.4	4	157	1.3× / 2.4
Cable ops · Singapore Straitsurge	3	57.9	2	80	15× / 0.2
Incidents · South Atlantic Ocean	3	45.8	1	46	0.7× / 4.2
Spills · North Atlantic Ocean	3	45	2	43	1.7× / 1.8
Cable ops · Philippine Seasurge	3	43.5	2	46	7.5× / 0.4
Spills · North Pacific Oceansurge	3	42	1	30	3.0× / 1
Exercises · Laccadive Sea	3	37.4	2	34	0.4× / 7.8
Cable ops · Norwegian Seasurge	3	30	1	34	15× / 0.2
Exercises · Philippine Sea	3	27.9	0	—	1.9× / 1.6
Exercises · Baltic Seasurge	3	17.7	1	25	3.0× / 1
Incidents · Bismarck Seasurge	3	10.8	0	—	15× / 0.2
Quakes · Flores Seanew	3	9	0	—	new / 0
Quakes · Solomon Seasurge	3	9	0	—	2.1× / 1.4
Quakes · Bay of Bengalsurge	3	8.5	1	3	7.5× / 0.4
Nav aids · English Channel	3	1.9	0	—	1.1× / 2.8
Nav aids · Coral Sealong running	2	132.5	5	566	1.0× / 2
Cable ops · South China Sea	2	122	4	268	5.0× / 0.4
Nav aids · South Atlantic Ocean	2	117	5	223	0.5× / 4.2
Cable ops · Caribbean Seanewlong running	2	94.2	4	452	new / 0
Exercises · Yellow Sea	2	65.3	1	31	0.8× / 2.6
Ordnance · North Sea	2	62.2	1	53	2.5× / 0.8
Cable ops · Persian Gulf	2	49.6	2	117	5.0× / 0.4
Exercises · South China Sea	2	36.9	0	—	5.0× / 0.4
Cable ops · Gulf of Mexico	2	35.3	2	40	3.3× / 0.6
Nav aids · Irish Sea and St. George's Channel	2	33.7	1	59	0.8× / 2.4
Nav aids · North Atlantic Ocean	2	32.2	1	74	0.6× / 3.4
Surveys · North Sea	2	30.2	1	21	2.5× / 0.8
Cable ops · Timor Sea	2	25.3	1	25	5.0× / 0.4
Incidents · Tasman Sea	2	17.7	1	17	1.7× / 1.2
Other · Coral Sea	2	14.2	1	18	10× / 0.2
Other · Indian Oceannew	2	14.2	1	14	new / 0
Containers · English Channel	2	12.8	0	—	10× / 0.2
Exercises · South Atlantic Ocean	2	12.6	0	—	0.6× / 3.2
Derelicts · North Pacific Ocean	2	12.4	0	—	1.1× / 1.8
Quakes · Indian Ocean	2	8.2	0	—	0.9× / 2.2
Surveys · English Channel	2	7.8	1	10	2.5× / 0.8
Quakes · Bismarck Sea	2	6	0	—	1.7× / 1.2
Quakes · Coral Sea	2	6	0	—	1.4× / 1.4
Exercises · Bering Seanew	2	5.4	0	—	new / 0
Quakes · South Atlantic Ocean	2	5.2	1	31	2.5× / 0.8
Exercises · Mediterranean Sea - Eastern Basin	2	5	0	—	0.7× / 2.8
Other · Celtic Seanew	2	4.6	0	—	new / 0
Exercises · Caribbean Seanew	2	4.3	0	—	new / 0
Quakes · Japan Seanew	2	4.1	1	26	new / 0
Other · English Channel	2	3.5	0	—	10× / 0.2
Nav aids · North Pacific Ocean	1	427.2	14	262	2.5× / 0.4
Nav aids · Gulf of California	1	188.8	6	212	new / 0
Nav aids · South Pacific Oceanlong running	1	111.2	3	387	0.5× / 2.2
Other · Mediterranean Sea - Eastern Basin	1	90.5	4	218	2.5× / 0.4
Cable ops · Japan Sea	1	90	3	207	new / 0
Incidents · South China Sea	1	72.3	1	61	0.5× / 2
Nav aids · Laccadive Sealong running	1	67.4	3	593	1.0× / 1
Nav aids · South China Sea	1	60.7	2	99	2.5× / 0.4
Other · North Atlantic Oceanlong running	1	51.8	1	425	0.3× / 4
Surveys · South Atlantic Ocean	1	48.9	2	52	0.8× / 1.2
Incidents · Coral Sea	1	47.5	1	63	0.8× / 1.2
Derelicts · Arabian Sealong running	1	44.8	1	370	0.8× / 1.2
Incidents · Persian Gulf	1	40.1	0	—	new / 0
Nav aids · Celtic Sea	1	34.8	2	130	0.6× / 1.8
Other · South Atlantic Ocean	1	33.6	1	56	1.0× / 1
Wrecks · North Atlantic Ocean	1	32.8	1	34	5.0× / 0.2
Incidents · Arabian Sea	1	29	1	66	0.5× / 2.2
Cable ops · North Sea	1	28.4	1	28	0.6× / 1.8
Surveys · Mozambique Channel	1	26.3	0	—	new / 0
Surveys · Indian Ocean	1	23.1	1	133	5.0× / 0.2
Incidents · Japan Sea	1	21.9	1	21	new / 0
Incidents · Tyrrhenian Sea	1	17.2	1	78	2.5× / 0.4
Surveys · Arabian Sea	1	13.7	0	—	5.0× / 0.2
Piracy · Celebes Sea	1	13.6	0	—	new / 0
Cable ops · Gulf of Suez	1	13	0	—	1.7× / 0.6
Cable ops · Java Sea	1	11.5	1	11	new / 0
Derelicts · South China Sea	1	10.7	1	10	new / 0
Surveys · Irish Sea and St. George's Channel	1	9.9	0	—	new / 0
Surveys · North Pacific Ocean	1	9.4	1	9	2.5× / 0.4
Piracy · Singapore Strait	1	9	0	—	new / 0
Piracy · South China Sea	1	9	0	—	new / 0
Incidents · Solomon Sea	1	7.9	0	—	5.0× / 0.2
Nav aids · Tasman Sea	1	7.9	1	7	5.0× / 0.2
Towing · Black Sea	1	7.4	1	7	new / 0
Restricted · Mediterranean Sea - Eastern Basin	1	7.4	1	7	1.7× / 0.6
Incidents · North Sea	1	7	1	7	5.0× / 0.2
Debris · Caribbean Sea	1	6.6	0	—	new / 0
Derelicts · Philippine Sea	1	6.6	0	—	1.7× / 0.6
Debris · Arabian Sea	1	6.5	0	—	2.5× / 0.4
Debris · North Atlantic Ocean	1	6.4	1	6	2.5× / 0.4
Incidents · Eastern China Sea	1	6.3	1	6	2.5× / 0.4
Wrecks · Persian Gulf	1	6.3	0	—	new / 0
Incidents · Gulf of Oman	1	5.6	1	5	new / 0
Surveys · Mediterranean Sea - Western Basin	1	5.4	1	5	0.8× / 1.2
Restricted · Sea of Okhotsk	1	5.1	0	—	new / 0
Cable ops · English Channel	1	4.7	0	—	0.6× / 1.6
Wrecks · Mediterranean Sea - Eastern Basin	1	4.4	1	4	5.0× / 0.2
Exercises · Tasman Sea	1	3.8	0	—	new / 0
Restricted · Black Sea	1	3.3	0	—	new / 0
Derelicts · Indian Ocean	1	3.3	1	3	1.0× / 1
Quakes · Banda Sea	1	3	0	—	1.7× / 0.6
Quakes · Ionian Sea	1	3	0	—	new / 0
Quakes · Mediterranean Sea - Eastern Basin	1	3	0	—	new / 0
Quakes · Mediterranean Sea - Western Basin	1	3	0	—	new / 0
Nav aids · Sea of Okhotsk	1	3	0	—	2.5× / 0.4
Quakes · South China Sea	1	3	0	—	new / 0
Nav aids · Singapore Strait	1	2.9	0	—	new / 0
Surveys · Gulf of Mexico	1	2.8	1	2	new / 0
Exercises · Adriatic Sea	1	2.6	0	—	1.0× / 1
Containers · Celtic Sea	1	2.4	1	2	new / 0
Cable ops · Celtic Sea	1	2.1	0	—	0.3× / 3
Nav aids · Gulf of Alaska	1	1.1	0	—	2.5× / 0.4
Other · Gulf of Mexico	1	1.1	0	—	5.0× / 0.2
Exercises · South Pacific Ocean	1	1.1	0	—	0.5× / 2.2
Derelicts · Caribbean Sea	1	1	0	—	1.7× / 0.6
Incidents · Timor Sea	1	0.9	0	—	2.5× / 0.4
Incidents · Ionian Sea	1	0.5	1	0	new / 0
Restricted · Strait of Gibraltar	1	0.4	1	0	5.0× / 0.2
Other · North Sea	1	0.3	0	—	2.5× / 0.4
Derelicts · Gulf of Alaska	1	0	0	—	new / 0
Other · Inner Seas off the West Coast of Scotland	1	0	1	0	2.5× / 0.4
Surveys · Beaufort Sealong running	0	690	23	1,635	— / 0
Surveys · Arctic Oceanlong running	0	450	15	1,635	— / 0
Surveys · Baffin Baylong running	0	150	5	1,733	— / 0
Nav aids · Caribbean Sealong running	0	103.4	3	530	0.0× / 0.4
Nav aids · Indian Oceanlong running	0	103.4	3	759	0.0× / 1.8
Cable ops · Bay of Bengal	0	90.7	2	223	0.0× / 1
Exercises · Aegean Sea	0	90	3	156	0.0× / 1.8
Surveys · Laptev Sealong running	0	90	3	769	— / 0
Wrecks · South China Sealong running	0	90	3	545	0.0× / 0.6
Wrecks · Arabian Sealong running	0	79.6	2	800	0.0× / 0.2
Nav aids · Gulf of Suez	0	70.4	2	96	0.0× / 0.2
Nav aids · Arabian Sealong running	0	68.5	2	566	0.0× / 1.2
Surveys · The Northwestern Passageslong running	0	60	2	618	— / 0
Surveys · North Atlantic Ocean	0	46.7	0	—	0.0× / 3
Surveys · Gulf of Guinea	0	46	1	172	0.0× / 0.2
Incidents · Laccadive Sea	0	40.8	0	—	0.0× / 0.4
Wrecks · Laccadive Sealong running	0	31.4	1	502	— / 0
Debris · Arctic Oceanlong running	0	30	1	1,287	— / 0
Other · Arctic Ocean	0	30	1	300	— / 0
Volcanic · Banda Sealong running	0	30	1	455	— / 0
Wrecks · Bay of Bengallong running	0	30	1	759	0.0× / 0.4
Surveys · Bering Sea	0	30	1	286	— / 0
Wrecks · Caribbean Sea	0	30	1	34	0.0× / 0.2
Surveys · Chukchi Sealong running	0	30	1	1,168	— / 0
Surveys · Greenland Sealong running	0	30	1	1,951	— / 0
Structures · Gulf of Suezlong running	0	30	1	439	— / 0
Surveys · Gulf of Suez	0	30	1	152	0.0× / 0.4
Other · Gulf of Thailandlong running	0	30	1	564	— / 0
Other · Irish Sea and St. George's Channel	0	30	1	66	0.0× / 0.2
Incidents · Java Sea	0	30	1	31	— / 0
Wrecks · North Pacific Oceanlong running	0	30	1	474	— / 0
Wrecks · North Sea	0	30	1	46	0.0× / 0.6
Piracy · Persian Gulf	0	30	1	173	— / 0
Surveys · Persian Gulf	0	30	1	67	0.0× / 0.2
Nav aids · Philippine Sea	0	30	1	71	— / 0
Volcanic · Philippine Sea	0	30	1	132	0.0× / 0.2
Volcanic · Red Sea	0	30	1	273	— / 0
Restricted · South Atlantic Ocean	0	30	1	54	0.0× / 0.2
Wrecks · South Atlantic Ocean	0	30	1	49	— / 0
Other · South China Sealong running	0	30	1	670	0.0× / 0.2
Structures · South China Sea	0	30	1	53	0.0× / 0.2
Surveys · South Pacific Ocean	0	30	1	241	0.0× / 0.4
Restricted · Bay of Bengal	0	27.4	0	—	— / 0
Surveys · Tasman Sea	0	27.4	0	—	— / 0
Volcanic · North Pacific Ocean	0	20.4	0	—	— / 0
Incidents · Sea of Okhotsk	0	20.4	0	—	— / 0
Nav aids · Andaman or Burma Sea	0	19.6	0	—	0.0× / 0.4
Cable ops · Eastern China Sea	0	17.5	0	—	0.0× / 0.4
Cable ops · North Pacific Ocean	0	15.3	0	—	— / 0
Cable ops · Celebes Sea	0	15	0	—	— / 0
Surveys · Sea of Marmara	0	15	0	—	0.0× / 0.2
Structures · Gulf of Mexico	0	13.4	0	—	— / 0
Incidents · Red Sea	0	13.4	0	—	— / 0
Cable ops · South Pacific Ocean	0	13.4	0	—	0.0× / 0.4
Surveys · Andaman or Burma Sea	0	12.5	0	—	— / 0
Cable ops · Mozambique Channel	0	12.5	0	—	— / 0
Nav aids · Mozambique Channel	0	12.5	0	—	0.0× / 0.4
Surveys · Alboran Sea	0	12	0	—	— / 0
Exercises · Arabian Sea	0	9.9	0	—	0.0× / 2.6
Restricted · North Atlantic Ocean	0	9.5	0	—	0.0× / 0.4
Nav aids · Persian Gulf	0	8.4	0	—	0.0× / 0.4

Cite: seahazards.com Sea Ledger, 2008-06, 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.