Yesterday, I was hoping to fish the Windward side of Oahu today and wanted to know how brown the water was gonna be after recent rains. It was completely dry on the south side of Oahu and Weather Underground wasn’t predicting much rain for the Windward side but a friend gave me the first hand report that Kamehameha Hwy at Waikane was flooded and cars were being turned around. He had to go the Mililani – Haleiwa – Kahuku way to get to Laie.
He sent me this link to the National Weather Service radar map of Hawaii (pan and zoom to your area of interest) and I could see that side of the island was getting pounded.
To confirm how much rain actually fell, I went to National Weather Service Rainfall Summary page and checked the 3hr totals for the areas nearby. With these tools I could not only see how much rain was falling that instant but how much rain had fallen recently.
These sites will be helpful as we brace for the next round of out of season torrential rains.