Sailing Guide

Ujung Batumamak (W Sumatra)

Ujung Batumamak (W Sumatra)

Characteristics

Description

The coast from Ujung Batumamak (Batu Mamak) , the SW extremity of Teluk Tapanuli, trends in a S direction for about 49 miles to Tanjung Tabujung (Tabu-yung). There is a reef, with a depth of 3.7m, lying about 0.75 mile offshore, 13 miles S of Ujung Batumamak.
6/02/2012
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Localisation

To precisely geolocate this site. Update if necessary.
Sites around Ujung Batumamak (W Sumatra)
Flying distances - Direct line

Sibolga

10nm
20°
Small port.
27 Mar 12

Karang Sirene (Sirene Reefs)

54nm
164°
Sirene Reefs, one of the outermost dangers in this locality, consist of four heads, of which the westernmost and the southernmost, with 0.9m of water, sometimes break; there are depths of 1.4 and 6.9m on the other two patches.
7 Feb 12

Pulau Bintanah (E Nias)

33nm
261°
Pulau Bintanah, low and fringed by a reef, should be given a wide berth. From Pulau Bintanah, a chain of reefs and shoals, some of which dry, extends 32 miles to the S.
The positions of these dangers may best be seen on the chart.
6 Feb 12

Ujung Tabuyung (W Sumatra)

45nm
159°
An above-water rock lies about 1 mile offshore, 14 miles N of Tanjung Tabujung.
Tabujung Road, located N of Tanjung Tabujung, is partly sheltered by Pulau Tangah (Pulau Tonga) and Pulau Si Dakah (Pulau Labu, about 4 and 1.5 miles, respectively, NW of Tanjung Tabujung.
6 Feb 12

Pulau Sarangbaung (W Sumatra)

77nm
276°
Pulau Sarangbaung lies 10.5 miles NNE of the N extremity of Pulau Nias. There is a break in the reef on the SE side where boats can land at a village. The island is overgrown with coconuts and is visible for 12 miles.
4 Feb 12

Pulau Wunga (W Nias)

99nm
257°
Pulau Wunga, about 8 NM S of Pulau Mausi, is low andcovered with coconut trees.
A large conspicuous tree, visible for 16 miles, is located on a small elevationnear the N end.
The reef extending from the N side of the island is ordinarily marked by high rollers; on the S side ...
6 Feb 12

Ujung Sikarakara (W Sumatra)

59nm
160°
The coast between Tanjung Tabujung and Ujung Sikarakar, about 14 miles S, is fronted by many dangers, some of which lie just within the 10m curve.
Natal Road that lies off the coast between Ujung Sikarakara and Ujung Rakat, about 6 miles S, is open W and is encumbered with many ...
7 Feb 12

Pulau Onolimbu (E Nias)

56nm
239°
Pulau Onolimbu is an island located about 1 NM N of Ug Onolimbu.There are several drying shoals about 3.5 miles NNW of Ujung Onolimbu.
6 Feb 12

Tanjung Laaya (Laaja) (E Nias)

74nm
265°
Tanjung Laaja is the N end of the slope of a hill backing the coast. It is covered with coconut trees, steep-to, and free from dangers but is difficult to identify.
6 Feb 12

Ujung Onolimbu (E Nias)

58nm
238°
Ujung Onolimb lies about 6 miles NW of Tanjung Sjuani. Onolimbu Road has good anchorage, in depths of 21.9m to 25.6m, mud. It is close to shore, abreast a road leading to Tagaule village.
There is another anchorage off Bodsyihona village to the N, in a depth of 18.3m. Local knowledge ...
6 Feb 12

Tanjung Lambaru (E Nias)

60nm
245°
Tanjung Lambaru, located about 8 miles NW of Ujung Onolimbu, is swampy and thickly overgrown; dead trees stand on it and in the water close off it.At Tanjung Lambaru it has a width of 8 miles. The coast consists of a sandy beach, off which rocks are lying. The sea usually breaks, ...
6 Feb 12

Tanjung Dowi (N Nias)

78nm
268°
Tanjung Dowi is fronted by a reef which dries to a distance of about 0.1 mile, with depths of 5.5m at 0.4 mile from the point.
6 Feb 12
Local Area

Sumatra W coast (Indonesia)

On the W coast of Sumatera there is a high, rocky coast, or if there is a strip of sand by the sea, the land rises rapidly behind it to the neighboring hills.
Numerous small streams discharge their waters on the W coast, but most of them are barred and only navigable by small craft. ...
1 Feb 12

Sumatra (Indonesia)

Sumatra (Indonesian: Sumatera) is an island in western Indonesia, westernmost of the Sunda Islands.
The longest axis of the island runs approximately 1,790 km (1,110 mi) northwest-southeast, crossing the equator near the centre. At its widest point the island spans ...
7 Jan 12

Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering about 20% of the Earth's water surface. It is bounded on the north by Asia (including the Indian subcontinent, after which it is named); on the west by Africa; on the east by Indochina, the Sunda Islands, ...
6 Apr 12

Pulau Musala (W Sumatra)

Pulau Musala or Musalar lies in the W approach to Teluk Tapanuli.
At its NW end is a conical mountain, about 451m high, with a prominent tree on its summit.
There is a remarkable waterfall at the NW end of the island issuing from a hill with an elevation of 55m; it is a good ...
6 Feb 12

Karang Sirene (Sirene Reefs)

Sirene Reefs, one of the outermost dangers in this locality, consist of four heads, of which the westernmost and the southernmost, with 0.9m of water, sometimes break; there are depths of 1.4 and 6.9m on the other two patches.
7 Feb 12

Pulau Sarangbaung (W Sumatra)

Pulau Sarangbaung lies 10.5 miles NNE of the N extremity of Pulau Nias. There is a break in the reef on the SE side where boats can land at a village. The island is overgrown with coconuts and is visible for 12 miles.
4 Feb 12
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