Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #12284
Date and Time Saturday 21st July 2018 10:50am
Approved Approved

Notes

AHD @ G6 3.03 @  08:47  SW swell 13-14 secs.

Dark discharge extending out around mouth & progressing towards east about 30m. off shore. Waves going well up all along beach, large amount of foam in swash line increasing towards east end which was being impacted by SW swell. Longshore drift frequently across mouth going over incoming swell & weak outflow. Whirlpool at rocks

More erosion & rock falls occurring on south & east sides of Pt Ronald

Estuary is tidal to G4 where water is being held back. Downstream flats are draining at each low tide

At 09:03 water from runoff - north side of OOR just starting to cross road east of flood markers

Mouth Observation

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

Physical Condition

Current Mode
Wind Direction North
Beaufort Scale Gentle breeze
Sea State Rough

Water Levels and Tides

Water Level Start Finish
Height (m) 0.09m 0.09m
Time (hh:mm) 10:50 12:25
Tidal influence Yes
Tidal Range Time Height
High 15:43 0.930
Low 09:42 0.730

Observation Documents

Link Date File name Description

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24-07-2018 14:40 Gp1_20180721_1_212033.JPG gp1_1

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24-07-2018 14:40 Gp1_20180721_2_252_034.JPG gp1_2

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24-07-2018 14:40 Gp1_20180721_3_292_035.JPG gp1_3

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24-07-2018 14:40 Gp1_20180721_4_332036.JPG gp1_4

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24-07-2018 14:40 Gp1_20180721_5_372_037.JPG gp1_5
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