Observation #11920 19-03-2018 | GMC: Gellibrand River Estuary Mouth Observation Site

Observation details

Overview

Estuary	Gellibrand River Estuary
Site	Gellibrand River Estuary Mouth Observation Site
Observation ID	#11920
Date and Time	Monday 19th March 2018 10:30am
Approved	Approved

Notes

Berm reformed- waves from v.rough sea overtopping up into estuary, only salt return. Waves are going wide across sand build up in the recently opened entrance, the 1st rock is nearly covered with sand. Large amount of sand in breakers from back wash. Strong longshore drift across entrance

At east end of beach waves are going up over the recently formed sand cliffs & pooling in a confined area between top of sand & dunes.

Water is rising in estuary & areas previously left uncovered by recent artificial opening where very large numbers of small fish can be seen all along the low track

Observations from Gp1 site not taken as wind too strong. Wind N in this area, S along channel & Se along beach

Photos downloaded are not in usual sequence

Mouth Observation

Mouth state	Closed
Previous	C O 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 O O O O O O P C C C C C C C O O O O C
Flow Present?	No
Previous	N N N N N Y Y Y Y Y N Y Y Y N Y Y Y Y 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
Flow Direction	N/A
Previous	N N N N N O O O O O N O O O N O O O O 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

	Above Sea	Above Estuary
Berm Height (m)
Berm Length (m)

Physical Condition

	Current	Mode
Wind Direction	North
Beaufort Scale	Gale, fresh gale
Sea State	Very Rough

Water Levels and Tides

Water Level	Start	Finish
Height (m)	1.02m	1.20m
Time (hh:mm)	10:30	11:55
Tidal influence	Yes
Tidal Range	Time	Height
High	14:44	0.930
Low	08:52	0.360

Observation Documents

Link	Date	File name	Description
Download	25-03-2018 12:35	Gp1_20180319_stormsurge1_008.JPG	gp1_1
Download	25-03-2018 12:35	Gp1_20180319_stormsurge2_009.JPG	gp1_2
Download	25-03-2018 12:35	Gp1_20180319_stormsurge3_011.JPG	gp1_3