BMKG Issues Tidal Flooding Warning for NTB Coastal Areas
The Meteorological, Climatological, and Geophysical Agency (BMKG) has issued an early warning for potential tidal flooding on coastal areas of Lombok and Sumbawa in West Nusa Tenggara (NTB) valid until 4 March.
Satria Topan Primadi, Head of the BMKG Meteorological Station in NTB, stated that tidal flooding is triggered by maximum sea level rise reaching 1.8 metres, intensified by the full moon phase which strengthens the moon’s gravitational pull on Earth.
“We estimate maximum tidal surge will occur from 20:00 to 00:00 WITA in Lembar. Meanwhile, maximum tidal surge in Sape is expected from 20:00 to 01:00 WITA,” he said in Mataram on Sunday.
Satria noted that sea wave heights range between 1.25 to 2.5 metres with wind speeds of 5 to 25 knots blowing from the south-west to north-west directions.
Coastal areas of Lombok Island potentially affected by tidal flooding include Ampenan, Sekarbela, Gerung, Lembar, Pemenang, Jerowaru, and Labuan Lombok. On Sumbawa Island, vulnerable areas include Palibelo, Woha, Bolo, Langgudu, Soromandi, Sape, Rasanae Barat, Hu’u, and Asakota.
“The public is expected to continuously monitor current weather and wave information, and immediately take anticipatory measures to minimise losses from tidal flooding,” Satria said.
The full moon phase, known as the Worm Moon, contributes to the highest tidal levels, increasing the risk of seawater inundation onto coastal land. This full moon phenomenon occurs on 3 March 2026.
In addition to the full moon, a total lunar eclipse will also occur as the Sun, Earth, and Moon align. The penumbral eclipse begins at 16:42 WITA, the total eclipse at 19:03 WITA, and the penumbral eclipse ends at 22:24 WITA.
The total lunar eclipse on 3 March 2026, lasting 59 minutes and 27 seconds, is the 27th member of a series of 71 lunar eclipses in Saros series 133. The previous associated total lunar eclipse occurred on 21 February 2008, whilst the next associated lunar eclipse will take place on 13 March 2044.