Synoptic Situation
18 December 2023
The rather strong northeast monsoon prevails over the lower Gulf and the South with isolated heavy rains. The winds and waves in the lower Gulf are likely 2-3 meters and above 3 meters high in thundershowers. All ships proceed with caution and keep off thundershowers, all ships in the lower Gulf keep ashore by today (18 Dec. 2023)
Announcement Date 18 December 2023 13:00
24-Hour Weather Forecast for Shipping
The Gulf of Thailand
Scattered thundershowers and isolated heavy rains in the lower part.
Nakhon Si Thammarat upward: Northeasterly winds 8-18 knots or 15-35 km/hr.
Wave height 1-2 meters and above 2 meters in thundershowers.
Songkhla downward: Easterly winds 11-22 knots or 20-40 km/hr.
Wave height 2-3 meters and above 3 meters high in thundershowers.
The Andaman Sea and Malacca Strait
Scattered thundershowers and isolated heavy rains.
Easterly winds 8-16 knots or 15-30 km/hr.
Wave height about 1 meter, above 1 meter high in thundershowers and 1-2 meters offshore.
Kotabaru to Singapore Route
Fairly widespread thundershowers and isolated heavy rains.
Northeasterly winds 11-22 knots or 20-40 km/hr.
Waves height 2-3 meters and above 3 meters high in thundershowers.
Tip of Indochina
Isolated thundershowers.
Northeasterly winds 11-24 knots or 20-45 km/hr.
Waves height 2-4 meters and above 4 meters high in thundershowers.
Announcement Date 18 December 2023 13:00