And in 3 hours.

Significant Wave Charts, Surface Wind Charts, Weather Radar Information, Hourly Wx Satellite Picture, Tropical Storm/Typhoon Warning and more.

They have local and regional weather forecast, satellite images, warnings and advisories, haze monitoring and earthquake informantion.

Tides are measured relative to a reference point known as 'Chart Datum'. Chart Datum is the lowest water level recorded over a fixed period (usually 18 years) at a particular point.

Another link: http://www.timeanddate.com/worldclock/astronomy.html?n=236