CHART 4104	Approaches to Port Meadows and Kotara Anchorage

Andaman Strait., Referring to the E entrance of that strait, lies between North Point, a 76m promontory forming the SE extremity of Baratang Island, and South Point, the NE extremity of South Andaman Island, about 2 miles SSW. From the 76m promontory the coast extends about 1.8 miles WSW to Entrance Hill, the N point of the inner entrance of the strait. This 30m high conical hill is conspicuous.
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Andaman Strait Light is shown from the summit on North Point.
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The general width of the strait ranges from 0.2 to 0.3 mile, but narrows to a width of 73m in places.
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The strait has moderate depths, except for two ridges which span the strait, and over which the least depth is 5.5m. A bar, over which there are depths of 2.4 to 4.8m, obstructs the entrance from a position about 0.5 mile NE of Entrance Hill and South Point. The navigable width of the bar is about 183m. A vessel with a draft of 4m has passed through the strait. The bottom throughout is of mud and sand.
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A small isolated, rocky ledge topped by a 4m high prominent rock on it, lies about 0.5 mile SE of the 76m promontory. A detached shoal, with a least depth of 2.1m, lies about 0.5 mile S of the promontory.
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A coral reef, which dries in places, extends up to 0.5 mile offshore between North Point and Entrance Hill.
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A ledge of drying coral extends almost 0.5 mile NE from South Point. The coast between this point, and the S point of the inner entrance of the strait about 1.5 miles W, is bordered by foul ground which extends up to 0.3 mile offshore.
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Whitehouse Rock, which has a least depth of 3.6m, lies 1 mile E of Wedge Point. A shoal, with a least depth of 1.2m, lies midway between this rock and the point.
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A rock, barely above water, lies 0.5 mile SE of South Point. Rocks, which dry up to 1.2m, lie about 0.4 mile N and 0.3 mile NNE of Wedge Point.
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Wedge Rock, 8.5m high and prominent, lies close S of Wedge Point.
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Port Meadows (12°01'N., 92°46'E.) is entered between Wedge Point and Cape Persain, a little over 1 mile SW. The shores of the port are reef fringed and the low land is covered with mangroves. Cape Persain is the NE extremity of a fairly high hill which lies on a promontory separated from the coast by mangroves.

Duncan Island (12°01'N., 92°47'E.), 57m high and densely wooded, is connected to the shore W of Wedge Point by a drying shoal.
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The entrance channel, which lies between Duncan Island and Cape Persain has a least depth of 20.1m.
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The E and S sides of Duncan Island are fringed by above-water and sunken rocks which extend up to 183m offshore. A prominent 5.5m high rock lies close off the SW side of the island. A drying rock lies 137m SW of this rock. 
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The E side of the promontory forming Cape Persain is fronted by a drying reef that extends about 0.4 mile offshore. This reef only extends about 183m offshore, E and N of Cape Persain. Some drying rocks lie on the reef.
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A detached 4.5m patch lies about 0.2 mile E of Cape Persain.
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A two-pronged pinnacle rock, with a least depth of 5m, lies on the S side of the approach to Port Meadows about 0.7 mile SE of the summit of Duncan Island. A dangerous wreck, marked by a buoy, lies on this rock.
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The Patch, a shoal with a least depth of 7.3m, lies about 0.8 mile ESE of Cape Persain.
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Anchorage.—Anchorage can be taken in depths of 16.5 to 18.3m, about 0.2 mile W of the W point of Duncan Island. Anchorage can also be taken in a depth of 14.6m in the center of the SW part of the harbor, about 0.6 mile W of Cape Persain.
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Directions.—Vessels should keep Cape Persain bearing 276° until the E end of Duncan Island is in line bearing 012° with Wedge Point. A course of about 292° then leads in mid-channel through the entrance. When Wedge Rock becomes visible, course can be altered to 000° for the E anchorage, or to 260° for the W anchorage previously mentioned.
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A jetty extends from the W side of the promontory about 0.3 mile Wof Cape Persain. A lumber camp lies near the inner end of the jetty. The coast between Cape Persian and Point Crawley, about 0.8 mile S, and then to Kotara Point, about 1.5 miles farther SW, is fringed by a drying reef which extends about 0.5 mile offshore. Some drying rocks lie on this reef.
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Kotara Anchorage (11°59'N., 92°45'E.) lies between Kotara Point and the N side of Kyd Island, about 0.8 mile to the S. This island is 205m high and rounded.
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A least depth of 6.4m exists in the fairway with depths of 8.2 to 14.6m being found in the entrance.
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Anchorage can be taken in depths of 6.4 to 7.3m, mud, about 0.5 mile SW of Kotara Point. Small vessels with local knowledge can anchor in depths of 7.3 to 8.2m, mud, in the outer part of an inlet about 1.5 miles W of Kotara Point.
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Shoal Bay (11°56'N., 92°47'E.) entered between the SE side of Kyd Island and Cape Masy, about 1.5 miles to the SE, is shoal over most of its area.
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Depths of 6.4m are found in the narrow entrance channel decreasing to a depth of 4.2m about 1.5 miles within the entrance and to a depth of 1.2m at the entrance of Shoal Bay Creek.
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The coast between Cape Masy and North Point, about 14.5 miles to the S, is bold. The land rises to form a broken ridge which parallels the coast at a distance of about 2 miles. Koyob, a peak which rises to a height of 459m, lies 6.8 miles N of North Point.

Tarmugli Island, the NW island of Labyrinth Group, lies with Frederick Point, its NW point, 4˝  miles WSW of Perseus Point. Its SW extremity is cliffy. A continuous reef fringes the coasts of the island.
Grub Island, 24 m high and with a high yellow cliff, lies 1 ˝ miles E of the E point of Tarmugli Island.