· South Atlantic Ocean long running 5 773.1 25 541 — · North Pacific Ocean 5 13.7 1 31 — · North Atlantic Ocean long running 4 680.3 24 1,007 — · Philippine Sea long running 4 347.6 14 1,382 — · Gulf of Mexico 4 48 1 30 — · North Pacific Ocean 4 23.7 4 7 — · Bay of Bengal 4 12.2 4 7 — · South Pacific Ocean 4 12 0 — — · Caribbean Sea long running 3 1,211.7 41 1,322 — · North Atlantic Ocean 3 165.7 8 108 — · South China Sea 3 96.4 5 246 — · North Atlantic Ocean long running 3 64 2 802 — · North Pacific Ocean 3 51 2 40 — · Philippine Sea 3 17.5 3 5 — · Arabian Sea 3 10 3 3 — · Bismarck Sea 3 9 0 — — · Philippine Sea 3 9 0 — — · South Pacific Ocean long running 2 411.9 14 921 — · North Atlantic Ocean 2 373.3 14 271 — · North Atlantic Ocean 2 311.5 12 216 — · Indian Ocean long running 2 275.7 10 584 — · Celtic Sea long running 2 174.7 6 385 — · Irish Sea and St. George's Channel 2 78.4 4 295 — · Black Sea long running 2 65.9 4 922 — · Laccadive Sea long running 2 61.6 3 961 — · South Atlantic Ocean 2 46.4 2 25 — · Bay of Bengal 2 45 2 27 — · Arabian Sea 2 34 2 26 — · South China Sea 2 26 2 14 — · Great Australian Bight 2 24 2 13 — · Arabian Sea 2 21.3 2 21 — · North Pacific Ocean 2 19.6 2 18 — · South Pacific Ocean 2 1.2 2 1 — · Caribbean Sea long running 1 216.6 8 579 — · Persian Gulf long running 1 194.3 7 957 — · South Atlantic Ocean 1 170.9 6 334 — · South Atlantic Ocean long running 1 163.3 6 419 — · South Pacific Ocean 1 151.1 6 234 — · Black Sea long running 1 120.4 5 949 — · Celtic Sea 1 99.2 4 152 — · Timor Sea 1 95.9 4 212 — · Caribbean Sea 1 95.2 4 145 — · Philippine Sea 1 90.3 4 146 — · Sea of Okhotsk 1 83.6 3 111 — · North Atlantic Ocean 1 79.9 3 160 — · Laccadive Sea long running 1 64.2 3 473 — · Indian Ocean 1 63.8 3 192 — · North Atlantic Ocean 1 63.1 3 38 — · Gulf of Mexico 1 57.6 2 87 — · Bay of Bengal 1 49.6 2 32 — · Indian Ocean 1 41.4 2 30 — · Irish Sea and St. George's Channel 1 34.6 2 165 — · Coral Sea 1 33 1 313 — · Coral Sea 1 32.7 2 144 — · Mediterranean Sea - Western Basin 1 28 1 27 — · The Coastal Waters of Southeast Alaska and British Columbia 1 22 0 — — · Inner Seas off the West Coast of Scotland 1 18.4 1 18 — · South Pacific Ocean 1 16 1 16 — · Black Sea 1 14.5 1 14 — · Bering Sea 1 14 1 14 — · Mozambique Channel 1 10.6 1 10 — · South China Sea 1 7.4 1 7 — · Sea of Okhotsk 1 6.1 1 6 — · Japan Sea 1 5.6 1 5 — · Coral Sea 1 4.7 1 4 — · North Atlantic Ocean 1 4.4 0 — — · Arabian Sea 1 4.3 1 4 — · Great Australian Bight 1 3.3 1 3 — · Red Sea 1 3.3 1 3 — · Celebes Sea 1 3 0 — — · Gulf of Tomini 1 3 0 — — · Indian Ocean 1 3 0 — — · Solomon Sea 1 3 0 — — · South Atlantic Ocean 1 3 0 — — · Gulf of Mexico 1 1 1 0 — · North Sea 1 0.4 1 0 — · Irish Sea and St. George's Channel 1 0.3 1 0 — · Gulf of Mexico long running 0 330 11 1,277 — · Gulf of Mexico 0 270 9 137 — · North Pacific Ocean long running 0 270 9 908 — · Arabian Sea long running 0 240 8 503 — · South China Sea 0 210 7 301 — · The Northwestern Passages long running 0 210 7 773 — · Arabian Sea long running 0 180 6 1,069 — · North Atlantic Ocean 0 180 6 348 — · Persian Gulf long running 0 180 6 558 — · The Northwestern Passages long running 0 180 6 1,124 — · Andaman or Burma Sea long running 0 150 5 511 — · Caribbean Sea long running 0 150 5 568 — · Bering Sea long running 0 120 4 647 — · English Channel 0 120 4 332 — · Persian Gulf long running 0 120 4 773 — · Aegean Sea 0 90 3 270 — · Arctic Ocean 0 90 3 341 — · Bay of Biscay long running 0 90 3 794 — · Bay of Biscay long running 0 90 3 469 — · Beaufort Sea long running 0 90 3 781 — · Gulf of Alaska 0 90 3 210 — · Hudson Strait long running 0 90 3 444 — · Indian Ocean long running 0 90 3 404 — · South China Sea long running 0 90 3 2,034 — · South Pacific Ocean long running 0 90 3 546 — · Arafura Sea 0 60 2 146 — · Bay of Bengal long running 0 60 2 432 — · Bay of Biscay long running 0 60 2 621 — · Bay of Biscay 0 60 2 82 — · Black Sea 0 60 2 94 — · Black Sea long running 0 60 2 923 — · Caribbean Sea 0 60 2 228 — · Chukchi Sea long running 0 60 2 418 — · Coral Sea long running 0 60 2 822 — · Gulf of Mexico 0 60 2 137 — · Indian Ocean 0 60 2 258 — · Kara Sea long running 0 60 2 798 — · Kara Sea 0 60 2 349 — · North Pacific Ocean 0 60 2 160 — · North Pacific Ocean 0 60 2 188 — · North Pacific Ocean 0 60 2 273 — · North Pacific Ocean long running 0 60 2 647 — · North Sea 0 60 2 182 — · Persian Gulf long running 0 60 2 860 — · Persian Gulf long running 0 60 2 592 — · Sulu Sea 0 60 2 197 — · Tasman Sea 0 60 2 147 — · Aegean Sea 0 30 1 258 — · Arafura Sea 0 30 1 263 — · Arctic Ocean 0 30 1 353 — · Bass Strait 0 30 1 171 — · Bass Strait 0 30 1 143 — · Bay of Bengal long running 0 30 1 422 — · Bay of Biscay long running 0 30 1 754 — · Bay of Biscay 0 30 1 125 — · Beaufort Sea 0 30 1 171 — · Beaufort Sea long running 0 30 1 418 — · Black Sea 0 30 1 181 — · Caribbean Sea 0 30 1 238 — · Caribbean Sea 0 30 1 82 — · Caribbean Sea long running 0 30 1 374 — · Celtic Sea 0 30 1 69 — · Eastern China Sea long running 0 30 1 430 — · English Channel 0 30 1 166 — · Gulf of California long running 0 30 1 899 — · Gulf of Guinea 0 30 1 149 — · Gulf of Mexico long running 0 30 1 932 — · Gulf of Oman 0 30 1 176 — · Gulf of Suez 0 30 1 255 — · Hudson Bay 0 30 1 76 — · Hudson Bay long running 0 30 1 440 — · Indian Ocean 0 30 1 199 — · Irish Sea and St. George's Channel 0 30 1 161 — · Irish Sea and St. George's Channel 0 30 1 151 — · Java Sea 0 30 1 340 — · Labrador Sea 0 30 1 103 — · Laccadive Sea long running 0 30 1 591 — · Ligurian Sea 0 30 1 287 — · Mediterranean Sea - Eastern Basin long running 0 30 1 1,216 — · Mediterranean Sea - Eastern Basin 0 30 1 161 — · Mediterranean Sea - Eastern Basin 0 30 1 280 — · Mediterranean Sea - Western Basin 0 30 1 158 — · Mozambique Channel long running 0 30 1 580 — · North Atlantic Ocean 0 30 1 335 — · North Atlantic Ocean 0 30 1 115 — · North Pacific Ocean long running 0 30 1 580 — · Norwegian Sea 0 30 1 157 — · Philippine Sea 0 30 1 284 — · South China Sea 0 30 1 146 — · Tasman Sea 0 30 1 227 — · The Coastal Waters of Southeast Alaska and British Columbia long running 0 30 1 568 — · The Northwestern Passages 0 30 1 361 — · Timor Sea 0 30 1 71 — · Red Sea 0 5 0 — —