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GMC Gellibrand River Estuary Mouth Observation Site

26 July 2015

Observation details

Overview

Estuary Gellibrand River Estuary
Site Gellibrand River Estuary Mouth Observation Site
Observation ID #9747
Date and Time Sunday 26th July 2015 10:18am
Approved Approved

Notes

  • Near Gale force winds & high sea driving waves over sand build up, covering area across from the mouth to sand dunes -only salt return back down narrow channel
  • Very strong longshore drift across mouth. Waves in all directions around rocks & continuing strongly down channel into estuary, large areas of foam swirling
  • Waves up to base of dunes at east end of beach removing more vegetation, former sand projection into ocean (mid beach) has been completely removed & beach flattened out.
  • Near gale winds from S.E. at Gp1, S. slightly further east, & S.W. closer to east end of beach
  • Air temp 5-7C. & 5cm. hail in some areas (covering G.O.R near Lower Gellibrand)
  • Rainfall 44.5ml since 24th July.( G6 AHD 2.05)

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-East
Beaufort Scale High wind, moderate gale, near gale
Sea State High

Water Levels and Tides

Water Level Start Finish
Height (m) 1.22m 1.20m
Time (hh:mm) 10:18 11:58
Tidal influence No
Tidal Range Time Height
High 14:16 0.890
Low 23:38 0.520

Observation Documents

Link Date File name Description
26-07-2015 10:18 Photopoint Gp1_1
26-07-2015 10:18 Photopoint Gp1_2
26-07-2015 10:18 Photopoint Gp1_3
26-07-2015 10:18 Photopoint Gp1_4
26-07-2015 10:18 Photopoint Gp1_5
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