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Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #12072
Date and Time Friday 18th May 2018 11:05am
Approved Approved

Notes

Very rough sea entering across wide area, waves going up channel over a high sand build up from mid channel into estuary.(Wave action visible at G2). The sand build up extends into the estuary under shallow water cover. Only salt water entering, slightly darker water east of start of channel near tunnel entrance indicates some mixing taking place. Occasional waves going high up on beach. Waves in all directions along beach (sand spit remains) with longshore drift crossing mouth. Beach still highest just east of mouth

Very high & low tides with waves 3.7- 4.6 high Swell duration 16-15 secs.

Mouth Observation

Mouth state Open
Previous
Flow Present? Yes
Previous
Flow Direction In
Previous
Above Sea Above Estuary
Berm Height (m)
Berm Length (m)

Physical Condition

Current Mode
Wind Direction South
Beaufort Scale Fresh breeze
Sea State Very Rough

Water Levels and Tides

Water Level Start Finish
Height (m) 0.62m 0.85m
Time (hh:mm) 09:55 12:00
Tidal influence Yes
Tidal Range Time Height
High 14:18 1.270
Low 06:39 0.270

Observation Documents

Link Date File name Description
19-05-2018 08:05 Gp1_20180518_1_212015.JPG gp1_1
19-05-2018 08:05 Gp1_20180518_2_252016.JPG gp1_2
19-05-2018 08:05 Gp1_20180518_3_292_017.JPG gp1_3
19-05-2018 08:05 Gp1_20180518_4_332_018.JPG gp1_4
19-05-2018 08:05 Gp1_20180518_5_372_019.JPG gp1_5