PH TIDES is an initiative to provide a portable and citizen-centric platform for the public to access the tidal information of the National Mapping and Resource Information Authority. The mobile application provides annual predicted tidal data for the current year. All tidal information in this application can also be found in the annual Tides and Current Tables Publication available in NAMRIA Map Sales Offices nationwide.

Data is provided by the Hydrography Branch - Physical Oceanography Division of the country's central mapping agency, the National Mapping and Resource Information Authority (NAMRIA).

#Online Preview of Tidal Data
Use the location and date picker to browse through the various tide-related information such as Sunrise and Sunset Data, High and Low Waters, Graphical Hourly Heights, and Tide Station Information.

#Downloadable PDF files
For offline access to tidal data, be able to download PDF files of Hourly Heights, High and Low Waters, and Astronomical Data.