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Synoptic Situation
26 December 2025The rather strong northeast monsoon prevails over the lower Gulf and the lower South with isolated heavy to very heavy rain. The rather strong wind force the waves in the lower Gulf up to be 2-3 meters high and above 3 meters high in thundershowers while the waves in the upper Gulf are expected about 2 meters high and above 2 meters high in thundershowers. In the Andaman Sea offshore, the waves are expected 1-2 meters high and above 2 meters high in thundershowers. All ships should proceed with caution and keep off thundershowers, small boats in the lower Gulf should keep ashore lasting 28 December 2025.
Announcement Date 26 December 2025 13:00
24-Hour Weather Forecast for Shipping
The Gulf of Thailand
Fairly widespread thundershowers and isolated heavy to very heavy rain. Upper Gulf : Northeasterly winds 11-18 knots or 20-35 km./hr. Wave height about 2 meters and above 2 meters in thundershowers. Lower Gulf : Northeasterly winds 11-22 knots or 20-40 km./hr. Wave height 2-3 meters and above 3 meters in thundershowers.
The Andaman Sea and Malacca Strait
Scattered thundershowers and isolated heavy rain in the lower part. Northeasterly winds 8-18 knots or 15-35 km./hr. Wave height about 1 meter, 1-2 meters offshore and above 2 meters in thundershowers.
Kotabaru to Singapore Route
Fairly widespread thundershowers and isolated heavy to very heavy rain. Northeasterly winds 11-22 knots or 20-40 km./hr. Wave height 2-3 meters and above 3 meters in thundershowers.
Tip of Indochina
Scattered thundershowers and isolated heavy to very heavy rain. Northeasterly winds 11-24 knots or 20-45 km./hr. Wave height 2-4 meters and above 4 meters in thundershowers.
Announcement Date 26 December 2025 13:00