[Wave Forecast Information] Weather and Ocean Conditions Comprehensive Portal Site Compass PLUS

In recent years, with the increasing push for DX (digital transformation) and valuable feedback from all users in the field, we will be fully renewing "Compass PLUS." The new Compass PLUS will leverage its traditional strengths while completely revamping its design, functionality, and usability, thereby further enhancing its value in practical use. The official release is as follows, so please wait a little longer until then. 1) Improved visibility and operability 2) Enhanced intuitiveness 3) Streamlined information sharing These are the main points of improvement, and it will be available starting December 16, 2025. For an overview of the renewal, please download the materials. We are also planning an online briefing session, so please download the materials for more details as well. Renewal date: Tuesday, December 16, 2025 Temporary suspension period: Monday, December 15, 2025, 17:00 – 19:00 *Due to the renewal, data updates for observation devices (wave height, weather, water level, noise and vibration) will be suspended during the temporary suspension period. However, viewing of forecast information and other various information will still be possible as usual.

On October 21 (Tuesday), the Japan Meteorological Agency announced the three-month forecast from November to January. In November, temperatures are expected to be higher than average nationwide, as the westerly winds will flow north of Japan, making it less susceptible to cold air influences. For more details, please visit our website.

On Monday, September 22, the Japan Meteorological Agency announced its three-month forecast for October to December. Due to the continued influence of conditions similar to the La Niña phenomenon until around December, the westerly winds are expected to flow more to the north than usual from October to early November, making it likely that warm air will cover the entire country. From late November to December, the westerly winds are expected to meander southward near Japan, and there may be periods when the winter pressure pattern strengthens. In December, the region is likely to be affected by cold air, and temperatures in western and eastern Japan are expected to be around or lower than the average for the season. For more details, please visit our website.

On August 19th (Tuesday), the Japan Meteorological Agency announced the three-month forecast from September to November. During this period, the upper-level westerlies are expected to flow more to the north than usual, and the Tibetan high-pressure system is anticipated to be stronger and positioned further north than average. *For more details, please visit our website or feel free to contact us.*