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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Ap Chau Fish Culture Zone
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Location:
Northeastern Waters
**
Flushing Time:
Dry Season - 34.3 day
Wet Season - 16.6 day
 Carrying Capacity:
2.1 tonne
***Farming Scale:
Small
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Hydrodynamic information
Predicted tide levels at:
 O Pui Tong
Not available
Today's Current: 0 ~ 5 cm/s, Weak
Water Depth:
8 m
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** 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
Ap Chau (AP) Fish Culture Zone is located in Ap Chau (Robinson Island). Fresh water in Ap Chau is obtained from the Mainland China using an underground pipe. Red tide is rarely reported in Ap Chau due to good tidal flushing time .
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