Red tide likelihood
for this week
Low
< 30 %
Forecast up-to-date:
19 Apr 2012
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Key:
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Red Tide
> 90 %
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High
> 70 %
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Medium
30 - 70 %
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Low
< 30 %
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Quick links
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Hong Kong Red Tide Information Network by the AFCD
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Tidal Prediction by the HKO
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Hong Kong Fish Net
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Kau Sai Fish Culture Zone
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Location:
Southeastern Waters
**
Flushing Time:
Dry Season - 32 day
Wet Season - 13.1 day
 Carrying Capacity:
65.4 tonne
***Farming Scale:
Medium
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Hydrodynamic information
Predicted tide levels at:
 Waglan Island
Not available
Today's Current: 0 ~ 5 cm/s, Weak
Water Depth:
14 m
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 Outfall: Sai Kung(PSA)
** dry season – November to February; wet season – May to August
***Farming Scale (m2):
Small - 0~10000; Medium - 10001~20000; Large - 20001~30000; Very large - >30000
Fish Culture Zone Description
Kau Sai (KS) Fish Culture Zone is one of the first two fish culture zones in authorized recreational fishing scheme in 2002. Under the scheme, mariculturists can apply for authorization to open their fish farm raft for public fishing. However, the agreement should not violate the environmental standards and the normal mariculture operations. 11 fish culture zones, with over 30 fish farm rafts joined this scheme.
In 2002, AFCD also designed a number of artifical reefs in order to improve the water quality in the fish culture zone. The artifical reefs provide a suitable environment for spawning fish and acts as biofilters to remove organic waste.
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