· North Sea 18 52.9 3 28 — · South Pacific Ocean 13 37.5 2 32 — · Adriatic Sea 11 27.5 0 — — · North Atlantic Ocean 11 16.4 1 34 — · North Sea 9 35.4 3 103 — · English Channel 8 60.1 2 65 — · South Atlantic Ocean 8 51.6 2 37 — · South Atlantic Ocean 7 180.1 5 132 — · North Pacific Ocean 7 110 4 52 — · North Sea 7 86.8 5 55 — · Tyrrhenian Sea 7 49.3 3 62 — · South Atlantic Ocean 6 14.7 1 21 — · South Atlantic Ocean 5 171.7 6 142 — · North Atlantic Ocean 5 141.6 3 188 — · North Pacific Ocean 5 62 2 34 — · Japan Sea 5 58 0 — — · North Atlantic Ocean 5 53 3 41 — · Mediterranean Sea - Eastern Basin 5 41.2 1 27 — · Japan Sea 5 37.9 3 23 — · North Atlantic Ocean 5 27.4 3 11 — · North Pacific Ocean 5 17.7 0 — — · North Atlantic Ocean 4 88.2 3 57 — · Aegean Sea 4 58.3 3 300 — · Southern Ocean 4 31.3 0 — — · Irish Sea and St. George's Channel 4 11.4 0 — — · Philippine Sea 4 7.2 0 — — · Coral Sea 3 112 3 341 — · South China Sea 3 88.8 4 34 — · Indian Ocean 3 70.7 1 71 — · Bay of Bengal 3 52.9 3 26 — · Gulf of Mexico 3 47 1 40 — · Indian Ocean 3 32.4 1 221 — · North Pacific Ocean 3 20 1 22 — · North Atlantic Ocean 3 13.7 0 — — · North Pacific Ocean 3 12.8 0 — — · Inner Seas off the West Coast of Scotland 2 137.7 5 164 — · South Pacific Ocean 2 68.7 2 35 — · Arabian Sea 2 48.2 1 54 — · Gulf of Oman 2 44.2 2 22 — · Black Sea 2 26.4 0 — — · Caribbean Sea 2 24 2 12 — · Tasman Sea 2 20.5 2 16 — · Mediterranean Sea - Western Basin 2 20.3 0 — — · North Pacific Ocean 2 18.6 0 — — · Bay of Bengal 2 16.6 1 16 — · Inner Seas off the West Coast of Scotland 2 16.4 1 16 — · North Atlantic Ocean 2 13.5 0 — — · North Atlantic Ocean 2 13.4 0 — — · North Sea 2 11.6 1 75 — · Irish Sea and St. George's Channel 2 10.8 1 18 — · Indian Ocean 2 10.2 2 5 — · Persian Gulf 2 7.3 2 6 — · Persian Gulf 2 7.3 0 — — · South China Sea 2 6 0 — — · Arabian Sea 2 5.4 0 — — · Mediterranean Sea - Eastern Basin 2 4 1 17 — · Adriatic Sea 1 771.6 21 166 — · Persian Gulf 1 97.4 4 318 — · South Pacific Ocean 1 76.4 3 263 — · North Atlantic Ocean long running 1 72.5 3 474 — · South China Sea 1 71.6 2 117 — · Irish Sea and St. George's Channel 1 62.2 2 91 — · Coral Sea 1 59.4 2 37 — · Celtic Sea 1 44 1 319 — · South China Sea 1 44 2 68 — · Mediterranean Sea - Eastern Basin 1 42.3 0 — — · Malacca Strait 1 37.7 1 103 — · Tasman Sea 1 31.7 1 75 — · Caribbean Sea 1 31 1 52 — · Aegean Sea 1 25.2 1 25 — · Tyrrhenian Sea 1 23.3 0 — — · Ligurian Sea 1 23.2 1 23 — · Gulf of Thailand 1 21 1 20 — · Black Sea 1 20.8 0 — — · Gulf of Mexico 1 19.8 1 19 — · South Atlantic Ocean 1 17.7 1 17 — · Coral Sea 1 17.4 1 17 — · North Pacific Ocean 1 14 0 — — · Ionian Sea 1 11.3 1 11 — · Mediterranean Sea - Western Basin 1 10.7 0 — — · Gulf of Alaska 1 9 1 9 — · Laccadive Sea 1 8.8 0 — — · Japan Sea 1 7.9 0 — — · English Channel 1 7 0 — — · Tasman Sea 1 7 0 — — · Indian Ocean 1 6.9 0 — — · North Atlantic Ocean 1 6.8 0 — — · Bay of Biscay 1 6.6 0 — — · Indian Ocean 1 6.6 0 — — · North Atlantic Ocean 1 6.5 0 — — · English Channel 1 5.3 0 — — · South China Sea 1 5.3 0 — — · Gulf of Mexico 1 5.1 0 — — · South Pacific Ocean 1 4.6 1 4 — · Tyrrhenian Sea 1 3.8 1 3 — · Bering Sea 1 3.2 0 — — · Persian Gulf 1 3.1 1 3 — · Banda Sea 1 3 0 — — · Bismarck Sea 1 3 0 — — · Gulf of Alaska 1 3 0 — — · Gulf of Tomini 1 3 0 — — · Mediterranean Sea - Eastern Basin 1 3 1 2 — · Philippine Sea 1 3 0 — — · Solomon Sea 1 3 0 — — · South Atlantic Ocean 1 3 0 — — · Bay of Bengal 1 2.6 1 2 — · South Pacific Ocean 1 2 0 — — · Philippine Sea 1 1.9 0 — — · Ligurian Sea 1 1.8 0 — — · North Atlantic Ocean 1 1.7 1 1 — · Ionian Sea 1 1.5 0 — — · Timor Sea 1 1.4 0 — — · Inner Seas off the West Coast of Scotland 1 1 0 — — · South Atlantic Ocean 1 1 0 — — · Celtic Sea 1 0.8 1 0 — · Arafura Sea 1 0.5 0 — — · Persian Gulf 1 0.2 0 — — · Bass Strait 1 0 0 — — · North Sea 0 93 3 185 — · Bering Sea 0 64.2 0 — — · North Pacific Ocean 0 62 2 275 — · North Sea long running 0 62 2 599 — · North Sea long running 0 62 2 502 — · Tyrrhenian Sea long running 0 62 2 374 — · Gulf of Mexico 0 61.2 1 101 — · South China Sea 0 45.4 1 151 — · Coral Sea 0 38.4 1 67 — · North Atlantic Ocean 0 31.4 1 145 — · North Pacific Ocean 0 31.4 1 154 — · Adriatic Sea 0 31 1 222 — · Adriatic Sea long running 0 31 1 1,049 — · Adriatic Sea 0 31 1 226 — · Adriatic Sea 0 31 1 199 — · Aegean Sea 0 31 1 33 — · Arabian Sea 0 31 1 33 — · Arabian Sea 0 31 1 102 — · Bay of Biscay 0 31 1 34 — · Caribbean Sea 0 31 1 117 — · English Channel long running 0 31 1 837 — · English Channel 0 31 1 123 — · Gulf of Mexico 0 31 1 51 — · Gulf of Suez long running 0 31 1 513 — · Makassar Strait 0 31 1 81 — · Malacca Strait 0 31 1 53 — · North Atlantic Ocean long running 0 31 1 593 — · Persian Gulf long running 0 31 1 417 — · Persian Gulf 0 31 1 104 — · Red Sea long running 0 31 1 1,423 — · South China Sea 0 31 1 109 — · Malacca Strait 0 29.6 0 — — · Mozambique Channel 0 29.2 0 — — · North Sea 0 28.8 0 — — · Bay of Bengal 0 28.4 0 — — · Japan Sea 0 21.4 0 — — · South Pacific Ocean 0 17.4 0 — — · South Atlantic Ocean 0 14.8 0 — — · Tyrrhenian Sea 0 14.4 0 — — · South Atlantic Ocean 0 13.6 0 — — · Bering Sea 0 13 0 — — · Adriatic Sea 0 10.9 0 — — · Mediterranean Sea - Eastern Basin 0 10.6 0 — — · Philippine Sea 0 10.2 0 — — · Malacca Strait 0 7.4 0 — — · Labrador Sea 0 5.6 0 — — · North Pacific Ocean 0 4.5 0 — — · Arabian Sea 0 4.2 0 — — · Gulf of Oman 0 3.4 0 — — · Sea of Okhotsk 0 1.7 0 — — · Mediterranean Sea - Eastern Basin 0 0.7 0 — — · Gulf of Guinea 0 0.4 0 — — · Mozambique Channel 0 0.4 0 — — · Mozambique Channel 0 0.4 0 — — · Red Sea 0 0.4 0 — — · Solomon Sea 0 0.4 0 — — · South Pacific Ocean 0 0.4 0 — — · Eastern China Sea 0 0.2 0 — — · Malacca Strait 0 0.2 0 — —