DIRECTIONS FOR ENTERING THE HARBOR OF SAN FRANCISCO.
In making the northern entrance, called Sausolito, keep the Fort and the island of Yerba Buena in one; in coming from the south and making the southern entrance, keep the island of Alcatrazes or Bird Island, touching the Fort. After the Fort bear south per compass, steer due east, (true) to avoid the flats which are making out from Belona’s beach. No danger can be apprehended from Blossom Rock. In running into this harbor after passing the Fort, and having it bearing (true) south, good anchorage can be obtained from five and a half fathoms to three fathoms. At present there are no buoys, but in the latter part of next month there will be buoys on Blossom Rock, Anita Rock, on the shoals on the N. N. W. part of the harbor, and on the bank making out from Belona’s beach. High water at Yerba Buena or San Francisco full and change 10 hours 34 minutes. Rise of spring tides 9 feet, neap tides 3 feet. Latitude of the Fort 37 deg. 48 min. 30 sec. N.; Longitude 122 deg. 27 min. 24 sec. W. Variation 15 deg. 36 min. E.
EDW. A. KING, Harbor Master.
September 27, 1849.