INDIAN OCEAN 5 45 F 6A
Mozambique Channel 5.1 45 A F1 6Z
Gulf of Suez 5.2 35 F5 6W
Gulf of Aqaba 5.3 36 -- 6Q
Red Sea 5.4 37 F4 6E
Gulf of Aden 5.5 38 F3 6D
Persian Gulf (Gulf of Iran) 5.6 41 F7 6P
Gulf of Oman 5.7 40 F6 6M
Arabian Sea 5.8 39 F2 6R
Laccadive Sea (Ladshadweep Sea) 5.9 42 F9 6L
Gulf of Mannar 5.10 -- F8 --
Palk Strait and Palk Bay 5.11 -- -- --
Bay of Bengal 5.12 43 F10 6B
Andaman Sea (Burma Sea) 5.13 44 F11 6N
Strait of Malacca (Malacca Strait) 5.14 46 (a) F12 6C
Great Australian Bight 5.15 62 F21 6G
Suez Canal -- -- -- 6U
MEDITERRANEAN REGION 3 -- -- --
Mediterranean Sea 3.1 28 B11 --
Mediterranean Sea, Western Basin 3.1.1 28 A -- 8W
Strait of Gibraltar 3.1.1.1 28 (a) B7 8S
Alboran Sea 3.1.1.2 28 (b) -- 8Y
Balearic Sea (Balear Sea, Iberian Sea) 3.1.1.3 28 (c) B9 8J
Ligurian Sea (Ligure Sea) 3.1.1.4 28 (d) B10 8L
Tyrrhenian Sea (Tirreno Sea) 3.1.1.5 28 (e) B12 8T
Mediterranean Sea, Eastern Basin 3.1.2 28 B -- 8E
Adriatic Sea 3.1.2.1 28 (g) B14 8D
Strait of Sicily (Strait of Sicilia) 3.1.2.2 -- -- --
Ionian Sea 3.1.2.3 28 (f) B13 8N
Aegean Sea 3.1.2.4 28 (h) B15 8G
Sea of Marmara 3.2 29 B16 8M
Black Sea 3.3 30 B17 8B
Sea of Azov 3.4 31 B18 8Z
Gulf of Lion (Gulf of Lions) -- -- B8 8X
Aral Sea -- -- -- 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 1.10 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 Tarta