From the table it can be seen that both the province of the surface water temperature has a value of 30.03± 0.4 °C, while in Phang Nga, a concentration of silicate tasilikon is 3.77-25.23 microns for chlorophyll in Ranong province, by an average of between 2.37 ± 0.75 μg/l, which is higher than the average of Phang Nga province.