JAKARTA - The Meteorology, Climatology and Geophysics Agency (BMKG) urges people on the coast of Maluku to be aware of the potential for flash floods that may occur in Ambon City, Central Maluku, East Seram, and Aru Islands from December 17 to 31, 2025.
"We appeal to the public not to panic, always be alert, and be on standby to anticipate the impact of maximum sea water levels and pay attention to weather information updates," said the Head of the Ambon Marine Meteorological Station, Mujahidin, in Ambon, Wednesday, quoted by Antara.
He said this phenomenon was triggered by the new moon phase on December 20, 2025, which could increase the maximum height of the sea level in coastal areas.
Based on monitoring of water level data and tide predictions, flash floods are expected to occur at different times in each region, but in general have the potential to last for the period of 17 to 31 December.
Mujahidin added that the potential for flash floods could affect community activities around the port and coastal settlements, including loading and unloading activities at the port.
BMKG also advised coastal residents to prepare for anticipation, such as moving boats, vehicles, and equipment from flood-prone areas.
In addition, related agencies in the affected areas are asked to increase coordination and emergency response readiness, including strengthening the early warning system for coastal communities.
"The public is urged to routinely monitor information from the BMKG, local governments, and other official media so that they can respond to changes in conditions quickly and appropriately," he said.
BMKG emphasizes that although flash floods are temporary, the public still needs to be vigilant because high waves can damage public facilities and disrupt marine transportation in coastal areas.
Mujahidin added that coastal residents were also advised to secure important documents and valuables and avoid activities in coastal areas when the maximum tide occurred.
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