Established:Mar 15, 1978
Time Meridian:75° W
Present Installation:Mar 15, 1978
Date Removed:1978-11-09
Water Level Max (ref MHHW):N/A
Water Level Min (ref MLLW):N/A
Mean Range:5.16 ft.
Diurnal Range:5.69 ft.
Latitude30° 31.1' N
Longitude81° 27.2' W
NOAA Chart#:11488
Met Site Elevation: ft. above
Today's Tides (LST/LDT)
graphical depiction of low tide
1:38 AM
12:53 AMlow 0.9 ft.
6:15 AMhigh 5.4 ft.
1:14 PMlow 1.1 ft.
6:43 PMhigh 5.6 ft.

How to reach: To reach the tidal bench marks from the intersection of the Mayport Ferry and Florida Highway A1A, proceed north on Highway A1A for 15.0 km (9.3 mi) to the Swing Span Highway Bridge over the Nassau River. The bench marks are located near the south end of the bridge. The tide gage and staff were located 37.0 m (120.0 ft) SE of the center of the Swing Span at the extreme NE corner of the SE section of the wooden fence. NOTE: The bridge and adjacent section of roadway are no longer used for highway travel and are now used for recreational purposes.

Products available at 8720135 NASSAU RIVER ENTRANCE, FL