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Tidal Station Locations and Ranges
NORTHERN MARIANAS ISLANDS Mean Spring Mean Tide 
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Tanapag Harbor, Saipan Island 15° 13.6' 145°44.2' 1.46 2.20 1.34
Predictions Saipan Harbor, Saipan Island 15° 12' 145°43' 1.3 1.9 1.2
Predictions Tinian Island 14° 58' 145°37' 1.5 1.8 1.0
Predictions APRA HARBOR, GUAM 13° 26.5' 144°39.2' 1.6 2.4 1.4
PALAU Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Shonian Harbor 7° 3' 134°16' 3.3 4.4 3.3
Predictions Koror 7° 21' 134°29' 3.8 5.0 3.5
Predictions MALAKAL HARBOR 7° 20' 134°28' 3.9 5.1 3.6
Predictions West Passage 7° 30' 134°31' 3.8 4.8 3.5
FEDERATED STATES of MICRONESIA Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Ngulu Islands 8° 18' 137°29' 3.0 3.8 2.8
Predictions Ifalik Atoll 7° 15' 144°27' 1.5 1.8 1.6
Predictions Pulap Atoll 7° 38' 149°25' 1.4 1.9 1.4
Predictions Namonuito Atoll 8° 35' 149°39' 1.3 1.9 1.2
Predictions Moen Island, Truk Islands 7° 27' 151°51' 1.6 2.1 1.6
Predictions CHUUK, Moen Island 7° 26.8' 151°50.8' 1.40 1.84 0.83
Predictions Dublon Island, Truk Islands 7° 22' 151°53' 1.5 2.0 1.5
Predictions Nomwin Atoll, Hall Islands 8° 27' 151°47' 1.5 1.9 1.5
Predictions Murilo Atoll, Hall Islands 8° 36' 152°15' 1.6 1.9 1.7
Predictions Losap Atoll 6° 54' 152°44' 1.5 2.0 1.5
Predictions Namoluk Atoll 5° 54' 153°8' 1.5 2.0 1.5
Predictions Satawan Anchorage, Nomoi Islands 5° 20' 153°44' 1.8 2.1 2.0
Predictions Ant Islands (Tauenai Channel) 6° 46' 158°0' 2.0 3.0 2.4
Predictions POHNPEI HARBOR, Pohnpei Island 6° 59' 158°13' 2.3 3.4 2.3
Predictions Metalanim Harbor, Pohnpei Island 6° 52' 158°21' 2.5 3.7 2.6
MARSHALL ISLANDS Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions WAKE ISLAND (U.S.) 19° 17.4' 166°37.1' 2.02 2.36 1.13
Predictions Bikini Atoll 11° 36' 165°33' 3.4 4.9 3.0
Predictions Eniirikku Island, Bikini Atoll 11° 30' 165°20' 2.9 4.2 2.6
Predictions Rongelap Island, Rongelap Atoll 11° 9' 166°54' 3.3 4.7 2.9
Predictions Rongerik Atoll 11° 23' 167°31' 3.6 5.0 3.0
Predictions Ujae Atoll 9° 2' 165°36' 3.5 5.0 3.0
Predictions Kwajalein Atoll (Namur Island) 9° 24' 167°29' 3.5 5.0 3.0
Predictions KWAJALEIN ATOLL (Kwajalein I.) 8° 44.2' 167°44.3' 3.6 3.9 1.9
Predictions Ailinglapalap Atoll 7° 17' 168°45' 3.6 5.2 3.3
Predictions Jaluit Atoll (SE Pass) 5° 55' 169°39' 3.5 4.9 2.9
Predictions Ebon (Boston) Atoll 4° 36' 168°41' 3.4 4.8 3.0
Predictions Taongi Atoll 14° 34' 168°57' 3.3 4.7 3.0
Predictions Bikar (Dawson) Atoll 12° 15' 170°8' 3.5 4.9 3.0
Predictions Ailuk Atoll 10° 13' 169°59' 3.5 4.9 3.0
Predictions Likiep Atoll 9° 49' 169°19' 3.6 5.0 3.0
Predictions Wotje Atoll 9° 28' 170°14' 3.4 4.7 2.8
Predictions Erikub Atoll 9° 12' 169°55' 3.5 4.9 3.0
Predictions Maloelap Atoll 8° 43' 171°14' 3.7 5.1 3.0
Predictions Majuro Atoll 7° 7' 171°22' 3.7 5.3 3.2
Predictions Arno Atoll 7° 8' 171°42' 4.2 5.7 3.2
Predictions Port Rhin, Mili Atoll 6° 14' 171°48' 4.2 5.9 3.3
HAWAIIAN ISLANDS Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions SAND ISLAND, MIDWAY ISLANDS 28° 12.7' 177°21.6' 0.9 1.3 0.7
Predictions Laysan Island 25° 46' 171°45' 0.7 1.0 0.4
Predictions East Island, French Frigate Shoals 23° 47' 166°13' 0.9 1.4 0.6
Predictions Nonopapa, Niihau Island 21° 52' 160°14' 1.0 1.6 0.7
Kauai Island
Predictions Waimea Bay 21° 57' 159°40' 1.0 1.6 0.7
Predictions Port Allen, Hanapepe Bay 21° 54.2' 159°35.5' 1.24 1.84 0.82
Predictions NAWILIWILI 21° 57.3' 159°21.4' 1.22 1.83 0.81
Predictions Hanamaulu Bay 22° 0' 159°20' 0.0 1.2 1.8
Predictions Hanalei Bay 22° 13' 159°30' 1.3 1.8 0.8
Oahu Island
Predictions Haleiwa, Waialua Bay 21° 36' 158°7' - - 1.6 0.7
Predictions Waianae 21° 27' 158°12' 1.2 1.8 0.8
Predictions Pearl Harbor Entrance, Bishop Point 21° 19.8' 157°58.0' 1.30 1.66 0.79
Predictions Pearl Harbor, Ford Island Ferry 21° 22.1' 157°56.4' 1.35 1.73 0.82
Predictions HONOLULU 21° 18.5' 157°52.0' 1.28 1.64 0.80
Predictions Hanauma Bay 21° 17' 157°42' 1.3 1.9 0.8
Predictions Waimanalo 21° 20' 157°42' 1.1 1.8 0.8
Predictions MOKU O LOE 21° 26.2' 157°47.6' 1.5 2.1 1.0
Predictions Waikane, Kaneohe Bay 21° 30' 157°51' 1.4 2.2 1.1
Predictions Laie Bay 21° 39' 157°56' 1.3 2.2 0.9
Molokai Island
Predictions Kolo 21° 6' 157°12' 1.3 2.0 0.8
Predictions Kaunakakai 21° 05.1' 157°01.9' 1.42 1.82 0.91
Predictions Kamalo Harbor 21° 3' 156°53' 1.4 2.1 0.9
Predictions Pukoo Harbor 21° 4' 156°48' 1.4 2.1 0.9
Predictions Kaumalapau, Lanai Island 20° 47' 157°0' 1.5 2.2 0.9
Kahoolawe Island
Predictions Kuheia Bay 20° 36' 156°36' 1.5 2.1 0.9
Predictions Smuggler Cove 20° 31' 156°41' 1.5 2.2 0.9
Maui Island
Predictions KAHULUI 20° 53.9' 156°28.3' 1.6 2.3 1.1
Predictions Hana 20° 46' 155°59' 1.8 2.5 1.1
Predictions Makena 20° 39' 156°27' 1.2 1.8 0.8
Predictions Kihei, Maalaea Bay 20° 47' 156°28' 1.6 2.3 1.0
Predictions Lahaina 20° 53' 156°41' 1.4 2.2 1.0
Hawaii Island
Predictions Mahukona 20° 11' 155°54' 1.4 2.1 0.9
Predictions Kawaihae 20° 02.4' 155°49.9' 1.46 2.14 0.91
Predictions Kailua Kona 19° 39' 156°0' 1.4 2.1 0.9
Predictions Napoopoo, Kealakekua Bay 19° 28' 155°55' 1.4 2.1 0.9
Predictions Honuapo 19° 5' 155°33' 1.7 2.5 1.1
Predictions HILO 19° 43.8' 155°03.4' 1.67 2.40 1.13
Predictions JOHNSTON ATOLL 16° 44.3' 169°31.8' 1.9 2.2 1.1
Predictions Palmyra Island 5° 53' 162°5' 2.0 2.7 1.0
Predictions Howland Island 0° 48' 176°38' 5.0 6.2 3.1
Predictions Easter Island (Chile) 27° 9' 109°27' 1.5 1.9 1.5
FRENCH POLYNESIA Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Marquesas Islands
Predictions Taio Hae Bay, Nuku Hiva Island 8° 56' 140°6' 3.2 3.8 2.4
Predictions Vai Tahu, Tahu Ata Island 9° 56' 139°6' 2.5 3.1 2.4
Tuamotu Archipelago
Predictions Mangareva Island 23° 8' 134°58' 1.8 2.3 1.3
Predictions Hao (Bow or La Harpe) Island 18° 4' 140°59' 1.9 2.4 1.7
Predictions Rahiroa (Rangiroa) Island 14° 57' 147°44' 1.7 2.1 1.7
Society Islands
Predictions PAPEETE HARBOR, Tahiti Island 17° 32' 149°34' 0.8 1.1 0.5
Tubuai or Asutral Islands
Predictions Rapa (Oparo) Island 27° 36' 144°17' 1.9 2.4 1.7
Predictions Tubuai Island 23° 22' 149°28' 1.9 2.4 1.7
COOK ISLANDS Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Avarua, Rarotonga 21° 12' 159°46' 1.8 2.2 1.0
Predictions Pukapuka 10° 52' 165°53' 1.0 1.2 1.5
TOKELAU Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Fakaofo Island 9° 23' 171°15' 1.9 2.4 1.7
SAMOA and AMERICAN SAMOA Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Asau Harbor, Savaii Island 13° 30' 172°38' 3.1 3.9 1.6
Predictions APIA (Observatory), Upolu Island 13° 48' 171°46' 2.6 3.2 1.6
Predictions PAGO PAGO Harbor, Tutuila Island 14° 16.8' 170°41.4' 2.51 2.72 1.32
Predictions Tau Island, Manua Islands 14° 13' 169°32' 3.7 4.6 1.8
Predictions Niue Island (N.Z.) 19° 2' 169°55' 2.2 2.4 2.4
TONGA Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Neiafu 18° 39' 186°1' 3.0 3.4 3.3
Predictions Lifuka Island 19° 48' 185°39' 2.9 3.2 3.2
Predictions Nomuka 20° 16' 185°12' 3.3 3.8 3.1
Predictions Nukualofa 21° 8' 184°48' 3.5 4.0 3.0
Predictions Raoul or Sunday Island 29° 15' 182°3' 3.0 3.3 3.3
FIJI Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Tailevu, Viti Levu Island 17° 39' 178°35' 3.6 4.4 3.0
Predictions Nandi Waters, Viti Levu 17° 45' 177°26' 4.1 4.9 3.3
Predictions Ngaloa Harbor, Kandavu Island 19° 5' 178°11' 4.4 5.1 2.6
Predictions Matuku Island 19° 10' 179°45' 3.4 4.1 3.0
Predictions Totoya Island 18° 59' 180°7' 3.8 4.1 3.0
Predictions Moala Island 18° 32' 179°58' 4.4 4.9 3.0
Predictions SUVA HARBOR, Viti Levu Island 18° 9' 178°26' 3.82 4.27 2.15
Predictions Ngau Island 18° 0' 179°14' 3.4 3.7 2.7
Predictions Nairai Island 17° 48' 179°23' 3.4 3.7 2.2
Predictions Levuka, Ovalau Island 17° 41' 178°51' 3.6 4.3 3.1
Predictions Nandi, Vanua Levu Island 16° 58' 178°47' 3.2 3.9 2.7
KIRIBATI Mean Spring Mean Tide
Range Range Level
Predictions Station Latitude Longitude (ft) (ft) (ft)
Predictions Christmas Island 1° 59' 157°28' 1.9 2.3 1.2
Predictions Fanning Island 3° 51' 159°22' 1.2 1.6 1.2
Phoenix Islands
Predictions Canton Island 2° 48' 171°43' 2.5 3.4 2.1
Gilbert Islands
Predictions Makin Atoll 3° 2' 172°48' 4.3 6.1 3.3
Predictions Tarawa Atoll 1° 22' 172°56' 4.4 6.2 3.3
Predictions Abemama Atoll 0° 28' 173°50' 4.3 6.1 3.3
Predictions Nonouti Atoll 0° 40' 174°27' 4.4 6.2 3.5
Predictions Ocean Island 0° 52' 169°35' 3.7 5.2 3.4
Revised: 3 November 2008