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Synoptic Situation
09 September 2026The moderate southwest monsoon prevails over the Andaman Sea, the South and the Gulf with isolated heavy rain. The winds and the waves in the upper Andaman Sea are likely about 2 meters high and above 2 meters high in thundershowers. All ships should proceed with caution and keep off thundershowers.
Announcement Date 09 September 2026 13:00
24-Hour Weather Forecast for Shipping
The Gulf of Thailand
Fairly widespread thundershowers and isolated heavy rain. Upper part: Southwesterly winds 8-18 knots or 15-35 km./hr. Wave height 1-2 meters and above 2 meters in thundershowers. Lower part: Southwesterly winds 8-16 knots or 15-30 km./hr. Wave height about 1 meter and above 2 meters in thundershowers.
The Andaman Sea and Malacca Strait
Fairly widespread thundershowers and isolated heavy rain mostly in the upper part. Upper part: Southwesterly winds 11-18 knots or 20-35 km./hr. Wave height about 2 meters and above 2 meters in thundershowers. Lower part: Southwesterly winds 8-18 knots or 15-35 km./hr. Wave height 1-2 meters and above 2 meters in thundershowers.
Kotabaru to Singapore Route
Scattered thundershowers and isolated heavy rain. Southerly winds 8-18 knots or 15-35 km./hr. Wave height about 1 meter, 1-2 meters offshore and above 2 meters in thundershowers.
Tip of Indochina
Scattered thundershowers and isolated heavy rain. Southwesterly winds 8-18 knots or 15-35 km./hr. Wave height 1-2 meters and above 2 meters in thundershowers.
Announcement Date 09 September 2026 13:00