- - - 8R
Bosporus - - - 8P
Caspian Sea - - - 8C
Dardanelles - - - 8U

NORTH ATLANTIC OCEAN 1 23 B 1A
Skagerrak 1.1 3 B24 1S
North Sea 1.2 4 B23 1N
Inner Seas off the West Coast of Scotland 1.3 18 - 1K
Irish Sea and Saint Georges Channel 1.4 19 B22 1R, 1Q
Bristol Channel 1.5 20 B21 1C
Celtic Sea 1.6 21 A - -
English Channel 1.7 21 B20 1E
Bay of Biscay 1.8 22 B19 1B
Canarias Sea 1.9 - - -
Gulf of Guinea 1.1 34 C4 1G
Caribbean Sea 1.11 27 B6 1X
Gulf of Mexico 1.12 26 B5 1M
Bay of Fundy 1.13 25 B4 1F
Gulf of Saint Lawrence 1.14 24 B3 1T
Labrador Sea 1.15 15 A - 1L
Greenland Sea 1.16 5 A1 5G
Denmark Strait - - B1 1D
Lake Erie - - - 9E
Lake Huron - - - 9H
Lake Michigan - - - 9M
Lake Ontario - - - 9N
Lake Superior - - - 9S
Panama Canal - - - 1J
Saint Lawrence Seaway - - - 9L

NORTH PACIFIC OCEAN 7 57 D 3A
Philippine Sea 7.1 56 D26 3P
Taiwan Strait (Formosa Strait) 7.2 - D17 3F
East China Sea (Tung Hai) 7.3 50 D13 3E
Yellow Sea (Huang Hai, Hwang Hai) 7.4 51 D14 3Y
Bo Hai (Bo Sea, Gulf of Chihli) 7.5 - D16 3X
Liaodong Wan (Liaodong Gulf) 7.6 - - -
Inland Sea of Japan (Seto Naikai) 7.7 53 - 3N
Sea of Japan (Japan Sea) 7.8 52 D11 3J
Gulf of Tartary 7.9 - D10 -
Sea of Okhotsk 7.10 54 D8 3Q
Bering Sea 7.11 55 D6 5D
Anadyrskiy Zaliv (Anadyrskiy Gulf) 7.12 - - 5Y
Gulf of Alaska 7.13 58 D4 5F