462 THE HONGKONG GOVERNMENT GAZETTE, 10TH SEPTEMBER, 1870.
A small detached reef with only 4 feet water, and about fifteen square feet in extent, lies in lat. 1° 23′ 30′′ N., with Pu Bilangbilangan bearing N.N.E. § E.
Celebes-A reef, on the eastern edge of which a sonuding of 6 feet was obtained, has been discovered near Torresa island in the gulf of Tomini. From the shoal the following bearings were taken, the hill at the western extreme of lit Waleah island N. by W. W., south point of great Waleah island E. by N. 4 N., Teloga island E. S., north point of Pu island E. by S., south point of Pu-ah island E. by S. S., Palala point on Togean island, W. by S. & S., and Toro Batu W. Įs Philippine Islands.--The ship Wild Rover, at the western entrance of Basilan strait, in lat. 6° 55′ N. and long. 43′ E., passed over a bank on which soundings in from 6 to 10 fathoms were obtained.
Hydrographic Office, Admiralty, London, 6th May 1870.
No. 118.
GOVERNMENT NOTIFICATION.
The following Notification, received from the Government of India, is published for general information.
By Command,
Colonial Secretary's Office, Hongkong, 7th September, 1870.
J. GARDINER AUSTIN, Colonial Secretary,
Marine Department, Fort William, the 4th August 1870.
No. 10 of 1870.
MARINE DEPARTMENT, SIMLA, the 22nd July 1870.
The following notices from the Ceylon Government Gazette of the 18th June 1870, pages 813, 815 and 816, are re-published for general information:-
His Excellency the Governor has been pleased to direct that the following Notice to Mariners be published for general information.
By Ilis Excellency's Command,
Colonial Secretary's Office, Kandy, the 16th June 1870.
HENRY T. IRVING, Colonial Secretary.
[The substance of this Notice, as soon as it is received on board, is to be inserted in red ink on the Charts affected by it, and introduced into the margin.
or otherwise in the page, of the Sailing Directions to which it relates.--See Instructions, Navigation and Pilotage, p. 172.]
NOTICE TO MARINERS. [ No. 44. ] CEYLON.
Light Vessel off the Great Basses Rocks.
With reference to Notice to Mariners, No. 85, dated 12th November 1869, respecting placing a light vessel near the Great Basses Rocks off the south-east coast of Ceylon, during the time of building a light-house on the rocks-
The Trinity House, London, has given further Notice that they have received information of the arrival of the temporary light vessel, and they have every reason to believe that she was moored in ber position, and exhibiting her light on or before the 1st April 1870.
His Excellency the Governor has been pleased to direct that the following Hydrographic Notice be published for general
By His Excellency's Command,
information.
HENRY T. IRVING, Colonial Secreta ry.
Colonial Secretary's Office, Kandy, the 16th June 1870. [The information contained in this Notice is to be carefully considered, to be noted in the Sailing Directions, and compared with the Chart when the ship is navigating the parts to which it refers.]
HYDROGRAPHIC.
[ No. 9.]
INDIAN OCEAN.
CEYLON, SOUTH COAST.
Winds and Currents at the Little Basses Rocks.
The following Notice on the prevailing winds and set of the currents observed off the south coast of Ceylon, compiled from a memorandum dated April 1869, by Mr. John Buchanan, Master of the Light Vessel, marking the position of the Little Basses Rocks, has been transmitted to this department, and is published for the information of navigators :-*
January-During this month a strong steady north-east monsoon prevails. The S. S. W. current never shifts, but continues throughout January running from the Bay of Bengal with a velocity varying from 2 to 3 knots. Sea cross an! very rough all the month. Steam vessels steering N. N. E. have remained in sight from the light vessel for two hours, and sailing ships for six days; hence ships bound to the north-east should avoid the south east coast of Ceylon in January.
February. The same remarks apply to February; although towards the end of the month, the wind becomes much lighter, the current also slackens. Occasionally in this month the light vessel swings. In 1868, however, she did not swing until April, while in 1869 she swung in February. At the end of the month, land and sea breezes begin.
March. Throughout this month regular land and sea breezes prevail. The current, althongli generally S. S. W., is variable at times, setting from different quarters,-one hour in one direction, another probably in the opposite.
March is one of the finest months at the Little Basses, the thermometer often reaching 87° in the slade. The land and sea breezes being regular, and the current weak, the passage up or down the coast is easy in this month.
April.The winds are variable during this month, being sometimes from the north-east, at others from the south-west, blowing from the latter quarter for days together. Sometimes in the course of a day the light vessel's head will be at almost every point of the compass. Weather becomes gloomy with occasional showers, thunder and lightning are prevalent, with dense blackness over the land. As a rule, very little current is felt, but it occasionally runs strong to the S. S. W.
May.-Between the 1st and 20th of this month, the south-west monsoon sets in strong and steadily, generally much rain falls, and thunder and lightning are common. During seven years the south-west monsoon sets in regularly from the 4th to the 10th of May; in 1860 it was steady at south-west from April 6th; this year is accordingly an exception to the rule
* See Admiralty Charts :-Ceylon Island, No. 813; Indian Ocean, No. 7486.
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