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Synoptic Situation
19 August 2026The rather strong southwest monsoon prevails over the Andaman Sea, the South and the Gulf with isolated heavy rain. The rather strong winds force the waves in the upper Andaman Sea up to be 2–3 meters high and above 3 meters high in thundershowers. All ships should proceed with caution and keep off thundershowers. Small boats in the upper Andaman Sea should keep ashore.
Announcement Date 19 August 2026 00:00
24-Hour Weather Forecast for Shipping
The Gulf of Thailand
Scattered thundershowers and isolated heavy to very heavy rain. 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 about 1 meter, 1-2 meters offshore and above 2 meters in thundershowers.
The Andaman Sea and Malacca Strait
Scattered thundershowers and isolated heavy rain. Upper part: Southwesterly winds 11-22 knots or 20-40 km./hr. Wave height 2-3 meters and above 3 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
Isolated thundershowers. 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 19 August 2026 00:00