Overview
- Typhoon No. 21 remains east of the Philippines and is tracking west-northwest, feeding moist air toward the southern Ryukyu islands.
- Okinawa is under a Pacific high with mostly sunny conditions on Oct. 4–5, though brief showers are expected in some areas.
- The Sakishima region, including Miyako and Yaeyama, could see intermittent thunderstorms and locally heavy rain on Oct. 4.
- Coastal waters will be choppy, with swells and somewhat high waves around the Sakishima islands and lighter wave action near Okinawa Main Island and the Daito islands.
- The JMA says a tropical depression near the Ogasawara Islands is likely to intensify into a typhoon and move west, prompting cautions for strong winds, high waves with swells and sudden heavy rain through Oct. 6.