Recent forecast models from the Korea Meteorological Administration show a persistent high-pressure ridge over the Korean Peninsula sustaining clear skies and light southerly flow into May 18, supporting daytime highs near 29–31 °C in Busan. Coastal sea-breeze moderation and modest humidity levels around 50–60 % are key variables that could cap the peak below 30 °C or allow brief spikes to 32 °C depending on exact wind timing. Mid-May climatology places the long-term average maximum near 22–24 °C, so the current market clustering around 29 °C reflects trader assessment of an anomalously warm synoptic pattern rather than typical spring conditions. Updated short-range model runs and afternoon KMA briefings over the next 48 hours will refine the precise ceiling before resolution.