1. Possible thunderstorms southwest waters.
2. An upper-level disturbance southwest of the island is producing scattered showers and thunderstorms over water southwest of Puerto Rico and across the Mona Channel.
3. Doppler weather radar still shows a weak surface frontal trough remaining over the offshore waters southwest of Puerto Rico.
4. Isolated thunderstorms in southwest waters.
5. Isolated thunderstorms southwest waters.
6. Isolated thunderstorms, mainly in southwest waters.
7. Isolated thunderstorms southwest waters through midnight.
8. Isolated afternoon thunderstorms in southwest waters.
9. Isolated afternoon thunderstorms southwest waters.
10. Isolated evening thunderstorms southwest waters.