RedactedNarrative: Severe thunderstorms were heading into the area and the winds were beginning to pick up. The operator stated that the boat somehow took on some water. This caused the boat to begin to take on water from the waves. The bilge pump was unable to keep up and the boat capsized. The two occupants were close enough to the shore near the river bridge that they climbed ashore and tied off the boat. Both subjects were wearing PFDs.