When compared between Ranong and Phang Nga province , It can be seen has the sea surface temperature , and Orthophosphate – phosphorus. Higher than in Phang Nga province. While in Phang-Nga has the concentration of Silicate-silicon is 3.77-25.23 µM. For Chlorophyll a in Ranong province, with an average between 2.37 ± 0.75 µg/l, which is higher than the average of Phang Nga province.