BMKG warns of moderate waves in Sumba waters

Ende — BMKG issued a marine safety warning for Sumba waters on Sunday, 18 October 2026, after forecasting moderate waves of 1,25 to 2,5 metres in the western Sumba Strait and waters south of Sumba. The advisory applied from 08.00 WITA (UTC+8) on 18 October 2026 until 08.00 WITA (UTC+8) on 19 October 2026, according to RRI.

BMKG, Indonesia’s Meteorology, Climatology and Geophysical Agency, said the conditions posed risks to fishing boats and barges. The agency urged fishers and people working along the coast to put safety first and adjust activities to weather conditions.

RRI reported that the forecast was issued by the BMKG Tenau Kupang Maritime Meteorological Station. The moderate-wave area also included the Sawu Sea, waters north and south of Sabu Raijua, parts of northern Central Timor, and waters south of Central Timor.

Why it matters to readers

Marine conditions in the western Sumba Strait and south of Sumba can affect boat movements connected with Sumba and surrounding Nusa Tenggara Timur waters. The warning specifically identifies fishing boats and barges as vessels facing safety risks.

The forecast described generally clear to cloudy conditions across Nusa Tenggara Timur waters. Winds were expected to come mainly from the northeast to southeast at 7 to 35 kilometres per hour, or about 4 to 18 knots.

The advisory period ended at 08.00 WITA (UTC+8) on 19 October 2026. No later action was stated in the reports.

Sources

• RRI — Indonesian public radio report
• BMKG — Meteorology, Climatology and Geophysical Agency
• kupang.tribunnews.com
• radarcirebon.disway.id