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Archipelago

    Pacific OceanUnited States

    25°00′N 168°00′W

    Northwestern Hawaiian Islands

    Northwestern Hawaiʻian Islands

    Part of Hawaiian Islands

    The Northwestern Hawaiian Islands, also known as the Leeward Hawaiian Islands, are a series of mostly uninhabited islands and atolls located northwest of Kauai and Niʻihau in the Hawaiian island chain. S.

    Lisianski Island, Northwestern Hawaiian Islands, from 33,000 feet. Looking south
    Lisianski Island, Northwestern Hawaiian Islands, from 33,000 feet. Looking south

    ​船长八帕拉佐洛 / CC BY-SA 3.0

    Chart

    44 landforms

    Overview

    The Northwestern Hawaiian Islands, also known as the Leeward Hawaiian Islands, are a series of mostly uninhabited islands and atolls located northwest of Kauai and Niʻihau in the Hawaiian island chain. Politically, these islands are part of Honolulu County in the U.S. state of Hawaii, with the exception of Midway Atoll, though they are generally not included on maps and graphic depictions of the State of Hawaii. Midway Atoll is a territory distinct from the State of Hawaii, and is classified as one of the United States Minor Outlying Islands. The United States Census Bureau designates this area, excluding Midway Atoll, as Census Tract 114.98 of Honolulu County. The total land area of these islands is 3.1075 square miles (8.048 km²). With the exception of Nīhoa, all of the islands lie north of the Tropic of Cancer, making them the only islands in Hawaii situated outside the tropics. Almost all of the islands are uninhabited, the main exception being Midway Atoll, which maintains a permanent rotating population of U.S. Fish and Wildlife Service staff and other workers. Kure Atoll and Tern Island have a seasonal population of a small team of environmental staff. At least some of the islands were visited by Ancient Hawaiians, with Nīhoa showing evidence of permanent habitation. The Northwestern Hawaiian Islands are part of the Papahānaumokuākea Marine National Monument, a globally significant marine conservation area. They are home to endangered species like the Hawaiian monk seal and green sea turtle and hold cultural importance for Native Hawaiians. Geologically, they are the oldest in the Hawaiian-Emperor seamount chain, shaped by volcanic activity and erosion over millions of years. The Northwestern or Leeward Hawaiian Islands include

    Nīhoa (Moku Manu) at 23°03′38″N 161°55′19″W Necker (Mokumanamana) at 23°34′30″N 164°42′01″W French Frigate Shoals (Kānemilohaʻi) (Lalo) at 23°52′12″N 166°17′06″W Gardner Pinnacles (Pūhāhonu) (ʻŌnūnui and/or ʻŌnūiki) at 24°59′57″N 167°59′56″W Maro Reef (Nalukākala) (Koʻanakoʻa) (Kamokuokamohoaliʻi) at 25°26′15″N 170°35′24″W Laysan (Kauō) (Kamole) at 25°46′12″N 171°44′06″W Lisianski (Papaʻāpoho) (Kapou) at 26°03′45″N 173°57′54″W Pearl and Hermes Atoll (Holoikauaua) (Manawai) at 27°47′24″N 175°49′12″W Midway Atoll (Pihemanu) (Kuaihelani) at 28°12′27″N 177°21′00″W – not part of the State of Hawaii Kure Atoll (Mokupāpapa) (Hōlanikū) at 28°23′24″N 178°17′42″W

    From Wikipedia, CC BY-SA 4.0

    Census, cataloged

    • Major islands8
    • Minor islands7
    • Islets18
    • Rocks & skerries11

    Major islands

    8
    • Sand Island

      Sand Island

      Area
      4.5 km²
      High point
      30 m
    • Laysan

      Laysan

      Area
      4.1 km²
      High point
      10 m

      Laysan (; Hawaiian: Kauō [kɐwˈoː]) is one of the Northwestern Hawaiian Islands, located 808 nautical miles (930 mi; 1,496 km) northwest of Honolulu. 4 km) in size. 9 ft) above sea level, that has a salinity approximately three times greater than the ocean. Laysan's Hawaiian name, Kauō, means "egg".

    • Johnston Atoll

      Johnston Atoll

      Area
      2.5 km²
      High point
      17 m

      Johnston Atoll is an unincorporated territory of the United States, under the jurisdiction of the United States Air Force (USAF). The island is closed to public entry, and limited access for management needs is only granted by a letter of authorization from the USAF.

    • Lisianski Island

      Lisianski Island

      Area
      1.4 km²
      High point
      7 m

      571 ha) and a maximum elevation of 40 feet (12 m) above sea level. It is a low, flat sand and coral island about 905 nautical miles (1,041 mi; 1,676 km) northwest of Honolulu, Hawaii. The island is surrounded by reefs and shoals, including the extensive Neva Shoals.

    • Nīhoa

      Nīhoa

      Area
      0.7 km²
      High point
      277 m

      Nīhoa, also written Nihoa and also known as Bird Island or Moku Manu, is the tallest of ten islands and atolls in the uninhabited Northwestern Hawaiian Islands (NWHI). The island is located at the southern end of the NWHI chain, 296 km (160 nmi) southeast of Necker Island.

    • Eastern Island

      Area
      1.3 km²
      High point
      6 m
    • Green Island

      Area
      0.9 km²
      High point
      6 m
    • Kure Atoll

      Area
      0.88 km²

      Kure Atoll (; Hawaiian: Hōlanikū, lit. 'bringing forth heaven'; Mokupāpapa, 'flat island') or Ocean Island is an atoll in the Pacific Ocean 48 nautical miles (89 km; 55 mi) west-northwest of Midway Atoll in the Northwestern Hawaiian Islands at 28°25′N 178°20′W. 7 km) across encloses a lagoon several meters deep.

    Minor islands

    7

    Islets

    18

    Rocks & skerries

    11
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha

    Figures

    Comparative heights

    Sea level100 m200 m300 m277 mNīhoa84 mNecker36 mFrench Frigate Shoals30 mSand17 mJohnston Atoll10 mLaysan9 mGin9 mLittle Gin9 mEast7 mLisianski6 mEastern6 mGreen4 mTern4 mNorth
    High points by island, metres above sea level.

    Islands by area

    0.00010.0010.010.1110Sand: 4.5 km²SandLaysan: 4.1 km²LaysanJohnston Atoll: 2.5 km²Johnston AtollLisianski: 1.4 km²LisianskiEastern: 1.3 km²EasternGreen: 0.9 km²GreenKure Atoll: 0.88 km²Kure AtollNīhoa: 0.7 km²NīhoaPearl and Hermes Atoll: 0.36 km²Pearl and Hermes …French Frigate Shoals: 0.25 km²French Frigate Sh…Necker: 0.18 km²NeckerSoutheast: 0.17 km²SoutheastSeal Kittery: 0.12 km²Seal KitteryTern: 0.12 km²TernUnnamed island: 0.12 km²Unnamed islandNorth: 0.07 km²NorthSpit: 0.05 km²SpitGrass: 0.03 km²GrassGin: 0.02 km²GinGardner Pinnacles: 0.02 km²Gardner PinnaclesLittle Gin: 0.02 km²Little GinEast: 0.02 km²EastLittle North: 0.02 km²Little NorthSand: 0.01 km²SandBird: 0.6 haBirdDisappearing: 0.5 haDisappearingShark: 0.5 haSharkUnnamed island: 0.4 haUnnamed islandLa Perouse Pinnacle: 0.3 haLa Perouse Pinnac…Unnamed island: 0.2 haUnnamed islandUnnamed island: 0.2 haUnnamed islandUnnamed island: 0.1 haUnnamed islandUnnamed island: 0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed island
    km², log scale
    Sand Island4.5 km²
    Laysan4.1 km²
    Johnston Atoll2.5 km²
    Lisianski Island1.4 km²
    Eastern Island1.3 km²
    Green Island0.9 km²
    Kure Atoll0.88 km²
    Nīhoa0.7 km²
    Pearl and Hermes Atoll0.36 km²
    French Frigate Shoals0.25 km²
    Necker Island0.18 km²
    Southeast Island0.17 km²
    Seal Kittery Island0.12 km²
    Tern Island0.12 km²
    Unnamed island0.12 km²
    North Island0.07 km²
    Spit Island0.05 km²
    Grass Island0.03 km²
    Gin Island0.02 km²
    Gardner Pinnacles0.02 km²
    Little Gin Island0.02 km²
    East Island0.02 km²
    Little North Island0.02 km²
    Sand Island0.01 km²
    Bird Island0.6 ha
    Disappearing Island0.5 ha
    Shark Island0.5 ha
    Unnamed island0.4 ha
    La Perouse Pinnacle0.3 ha
    Unnamed island0.2 ha
    Unnamed island0.2 ha
    Unnamed island0.1 ha
    Unnamed island0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha

    Groups within

    2

    Sources

    Facts

    • Geometry, areas and high points: OpenStreetMap contributors (ODbL), Copernicus GLO-30, via Talus.
    • Wikidata
    • Talus
    • Wikipedia

    Photographs