...as you know, there are only two types of weather in Singapore: hot, or raining...
There are some peculiar phenomenas like monsoon:
...and a Sumatran Squall, a.k.a. as "we got her planing 20 kts, ease the sheet" -
A great document that could explain the cold air outbreaks in Siberia, so you could freely support the pub conversation after a decent SB20 sailing in Singapore, could be downloaded here: http://app2.nea.gov.sg/data/cmsresource/20090721544571208250.pdf
...so, here is a short list of apps and web-sites that could help you determine whether it's hot or raining:
Always check, pretty accurate: www.windfinder.com/forecast/tuas
Rains in Singapore: http://app2.nea.gov.sg/weather-climate/weather-information/rain-areas-animation
Download GRIBs with rains and winds to your smartphone: http://pocketgrib.com/
Tides planner for your smartphone: http://www.tucabo.com/products/tides-planner/
...and, to become a true Singaporean SB20 sailor, you need WeatherLah, of course:
Download it here - http://www.weatherlah.com
