BMKG warns of 4-metre waves off East Nusa Tenggara

Kupang — BMKG warned of waves reaching up to 4 metres in the southern waters of East Nusa Tenggara from 17 to 20 October 2026. The warning covers shipping activity in waters facing the Indian Ocean south of East Nusa Tenggara, according to Pos-Kupang.com. The agency said the conditions could endanger marine transport, including fishing boats, barges and ferries. BMKG urged coastal communities, fishermen and marine-transport operators to remain alert and monitor weather and wave information before operating in affected waters.

Why it matters to readers

The warning covers sea routes linking East Nusa Tenggara islands and may affect ferry and small-boat journeys during the validity period. BMKG said wind in areas south of the equator was generally blowing from the northeast to southeast at 8–25 knots. The agency also reported that waters facing the Indian Ocean were among the areas where waves of 2.5–4 metres could occur.

Operators and travellers using affected routes should check the latest BMKG information before sailing, as advised by the agency. The warning specifically identifies the southern Indian Ocean waters of East Nusa Tenggara among the areas exposed to the highest wave category listed in the report.

Sources

• Pos-Kupang.com — regional news report
• Okezone News — national news report
• rri.co.id