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Sector 6. Iles Loyaute to the Santa Cruz Islands

of Ned Point, the NE extremity of Malo Island, and is separ- ated from the N shore of Malo Island by a boat passage. Anchorage.—Good anchorage can be found about 0.4 mile

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E of Suchun Lagre Island, in depths of 16 to 18m, 0.4 mile offshore, and outside the strong tidal currents setting through the channel.

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Ratoua Island, lying N of Suchun Lagre Island, is densely

wooded and about 37m high. Between it and Aore Island is a narrow boat channel, the E end of which dries. Guichen Reef, from 0.1 to 0.3 mile SSW of the SW extremity of Ratoua Is- land, is a dangerous group of coral heads, with a depth of 1.8m. This reef narrows the fairway in Bruat Channel to about 0.3 mile. The tidal currents across the reef attain a velocity of 5 to 6 knots.

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Port Lautour (15°37'S., 167°10'E.) is sheltered from all ex-

cept W winds and is out of the tidal current; it lies on the W side of Ratoua Island.

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Anchorage.—Anchorage can be taken, in a depth of about

26m, with the S extremity of Wekesa Island in line with the N extremity of Araki Island, about 11 miles W, bearing 268°. Caution should be used when anchoring as there is foul ground extending 0.2 mile from the N shore of Ratoua Island. Turtle Island (Wekesa Island), 0.4 mile off the N side of

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Bruat Channel and 1.8 miles W of Ratoua Island, is small and surmounted by bushes. It is surrounded by a reef that extends W of the island in a long narrow spit for a distance of nearly 0.4 mile. Vessels should not pass N of the island unless the light is favorable, as the passage is obstructed by foul ground that extends 0.3 mile from the N shore.

6.60 Aore Island (15°34'S., 167°10'E.) lies between Malo

Island and the SE shore of Espiritu Santo. Its NW side forms the SE side of Segond Canal. Its E shore is indented by two bays which do not afford good shelter or anchorage. A light is shown from the NE point of the island. A pilot station is situ- ated about 1 mile E of the light.

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Tutuba Island, 1.5 miles E of Aore Island, is of a formation

similar to Aore Island, mainly coral. There are several villages about the island. A fringing reef encircles the island except at the SW extremity, which terminates in a steep-to sandy spit. There are moderate depths on the E side of the island and the W side is steep-to. A light is shown 2 miles S of its N end.

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Bogacio Island (15°35'S., 167°14'E.) lies in the middle of

the channel between the SW part of Tutuba Island and the E side of Aore Island. The channel on either side of the island is clear and deep. There is anchorage for one small vessel be- tween Bogacio Island and Tutuba Island, in a depth of 31.1m. Segond Channel, separating Aore Island from Espirito Santo

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Island, is a much-used deep-water channel. On the N shore of the channel lies the port of Luganville.

Luganville (Santo) (15°31'S., 167°10'E.)

World Port Index No. 57200 6.61 Luganville is the administrative and commercial

center of Espirito Santo Island, and is a port of entry. The largest vessel to use the port was 230m in length. The port handles both wet and dry cargoes, importing general goods and oils and exporting fish products and copra.

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Winds—Weather.—The prevailing wind here is from the

SE, but follows a regular seasonal pattern. In winter, light airs exist, freshening rapidly to a maximum of 20 knots at about 0800. During the afternoon the winds generally die out. In the summer, the pattern is less regular, with the wind SE in the morning but frequently backing to the E in the afternoon. Occasionally, for a period of several days the wind will blow from the SW, force 3 to 5. Winds seldom blow greater than 30 knots other than during a hurricane.

Tides—Currents.—The tidal rise at MHHW is 1.2m, while the rise at MLLW is 0.3m.

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Tidal currents within Segond Channel set W on the flood and

E on the ebb, attaining rates up to 2 knots. Along the channel’s N shore, currents are stronger. Off Main Wharf, the flood attains rates of 2.5 knots with fresh E winds. West of Main Wharf, this current alters to the SW, rounding the spit off the river SW of the wharf. The ebb is weaker, attaining rates of 1.5 knots with SW winds, and is further weakened by strong and persistent trade winds.

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Tidal currents in the W portion of Segond Channel attain

rates of 3.5 knots, with cross currents and eddies having been reported, especially during the monsoon when the rivers are full.

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Depths—Limitations.—Segond Channel is deep and free of

dangers in its NE portion, but the SW end of the channel is restricted to a width of about 0.4 mile by dangers extending from both shores. The channel at this end has a least charted depth of 12.8m.

Black Rock Point should be given a wide berth due to the 8.5m patch that was reported to lie 0.3 mile SE of the point. The LPG terminal, situated 1.3 miles NE of Black Rock

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Point, will accommodate vessels up to 80m in length. Main Wharf, 2.3 miles NW of Black Rock Point, handles container, ro-ro, and tank vessels. The wharf has an alongside depth of 10.5m and will accommodate vessels up to 200m in length. BP Terminal, 1.8 miles SW of Main Wharf, regularly berths vessels up to 200m in length.

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Segond Channel

Aspect.—The shores of Segond Channel are low, with trees reaching to the water’s edge. Several coconut plantations may also be seen here.

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