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  5. 21-05-2025

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B1 The Heads

21 May 2025

CAUTION: This observation has not yet been reviewed by an EstuaryWatch coordinator.

Observation details

Overview

Estuary Barwon River Estuary
Site The Heads
Observation ID #16947
Date and Time Wednesday 21st May 2025 09:30am
Approved Pending

Notes

Very low tide

Water Levels and Tides

Low tide time 10:35

Depth Profiling

Depth m Temperature °C Salinity ppt D.O. mg/L D.O. % sat EC mS/cm Notes
0.1m 12.80 38.20 10.05 92.9 54.60
Previous 16.3 38.0 9.3 92.6 54.3
Median 16.1 37.20 9.34 93.50 53.1
0.5m 13.00 38.20 9.98 92.6 54.50
Previous 18.8 38.9 8.4 89.1 55.6
Median 16.1 37.20 9.34 93.60 53.1
1.0m 13.00 38.10 9.98 92.6 54.40
Previous 16.3 38.0 9.3 92.4 54.3
Median 16.0 37.20 9.32 93.60 53.1
1.5m 13.00 38.10 9.95 92.4 54.40
Previous 18.8 39.0 8.4 88.9 55.7
Median 16.0 37.20 9.35 93.60 53.1
2.0m 13.00 38.10 9.93 92.3 54.40
Previous 16.3 38.0 9.2 92.2 54.3
Median 16.1 37.60 9.29 95.00 53.7
2.4m 13.00 38.10 9.93 92.1 54.40
Previous 19.9 38.5 8.1 88.0 55.0
Median 16.1 37.60 9.32 95.00 53.5

Top-Bottom Sampling

Depth m Turbidity NTU pH
Top 0.1 9 7.8
Previous 0.1 10 7.7
Median 0.1 9 7.9
Bottom 2.4 9 7.6
Previous 2.6 10 7.8
Median 2.5 9 7.9

Other details

Max depth 2.50
Previous 2.70
Median 2.60
Flow estimate Fast
Low tide time 10:35am

Observation Documents

Link Date File name Description

Preceding Observations

C Estuary is closed to the sea. O Estuary is open to the sea. P Perched
We acknowledge and respect Victorian Traditional Owners as the original custodians of Victoria’s land and waters, their unique ability to care for Country and deep spiritual connection to it.
We honour Elders past and present whose knowledge and wisdom has ensured the continuation of culture and traditional practices.
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