Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #12649
Date and Time Tuesday 15th January 2019 10:10am
Approved Approved

Notes

AHD G6 0.72 estimate only as board covered with silt

Dense sea fog drifting down channel prevented observations from being taken from actual Gp1 site

Weak pale shallow out flow over increased sand build up in channel, especially around rocks & downstream across a wide area at mouth. The beach is highest at mid beach where a wide area projects out to sea dividing beach & creating 2 separate bays. Highest area is only 50m from where it slopes down entrance.

Swell & rough sea impacting on west side of projection creating longshore drift across the mouth, striking cliff  & going over the top of rocks resulting in occasional small waves entering down channel

Mouth Observation

Mouth state Open
Previous P C C C C C C C O O O O C C C C C C C C C O O O O O C O O O O O O O O O O O O O O O O O O O O O C O O O O C O O
Flow Present? Yes
Previous N N N N N N N N Y Y Y Y N N N N N N N N N Y Y Y Y Y N Y Y Y Y Y Y Y Y Y Y Y N Y Y Y Y Y Y Y Y Y N Y Y Y Y N Y Y
Flow Direction Out
Previous N N N N N N N N O I O O N N N N N N N N N O O O O O N O I O O O I O O I O O N O I O O O O O O O N O O O O N O O
Above Sea Above Estuary
Berm Height (m)
Berm Length (m)

Physical Condition

Current Mode
Wind Direction South
Beaufort Scale Light Breeze
Sea State Rough

Water Levels and Tides

Water Level Start Finish
Height (m) 0.70m 0.70m
Time (hh:mm) 10:10 11:30
Tidal influence Yes
Tidal Range Time Height
High 04:59 0.840
Low 12:15 0.420

Observation Documents

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