Typhoon Mahwah Update: Prepare for Stormy Weather in Okinawa and Surrounding Areas

In Okinawa, the waves started to rise yesterday (Saturday) on the 27th, and the significant wave height at Nakagusukuwan Port on the main island of Okinawa has reached nearly 4m since this morning. Also, the wind is getting stronger today, and a maximum wind speed of 11.7m/s was observed in Naha at 10:00.

After the night of tomorrow, the 29th (Monday), Okinawa is expected to be a big storm centered on the Sakishima Islands, and the sea is very dangerous due to the addition of swells. The beach has already opened and it is the season for swimming, but please postpone leisure activities at the beach. It is safer to stay away from the coast as much as possible.

In addition, there is a risk of storms in the Sakishima Islands from around the 30th (Tuesday). As the typhoon moves slower, the impact on Okinawa and Amami is likely to last until around Friday, June 2nd. Just in case, please prepare for long-term stormy weather.

Each thin line in this figure represents the simulation result of the course calculated by meteorological agencies around the world. The results (members) obtained in the process of the ensemble forecast method are posted to give an image of the wide range of possible paths.

Comparing these members, it can be said that the accuracy of the forecast is high with almost no prediction error up to the point south of Okinawa. members are expected to move northeast south of Honshu.

As the date approaches, the error is expected to shrink and the forecast will become more stable, so please continue to obtain new information from time to time.
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