Overview

• Japan’s Meteorological Agency said on Oct. 4 a tropical depression near the Ogasawara Islands is forecast to become a typhoon and track west.
• Ogasawara was advised to watch for strong winds, high waves with swells, and sudden heavy rain through Oct. 6.
• Okinawa remains largely fair from Oct. 4–6 under high pressure, with brief showers and localized thunderstorms focused over the Miyako and Sakishima islands on Oct. 4.
• Marine conditions include swells and somewhat higher waves reported around Sakishima on Oct. 4, shifting to somewhat higher waves around the Daito islands on Oct. 5.
• Typhoon No. 21 remains east of the Philippines and is moving west-northwest, supplying moist air that is triggering intermittent showers in parts of Okinawa.