MyCruiseForecast

Princess Cruises · 24 nights

Diamond Princess weather: 24-night cruise from Singapore, December 9, 2026

The Diamond Princess (Princess Cruises) leaves Singapore on December 9, 2026 for a 24-night cruise, with stops in Ho Chi Minh City, Nha Trang, Ha Long Bay (Quang Ninh, Vietnam), Da Nang, Phuket, Langkawi and 3 more. It returns to Singapore on January 2, 2027. Typical afternoon highs along the route run from 73°F to 89°F (23°C to 32°C), and 11 days are at sea, where seas are typically slight (around 3 ft).

Open the interactive forecast for this sailing

This page shows typical conditions for these dates. The interactive forecast adds a live day-by-day forecast, wave heights and weather alerts as the sailing gets closer.

Day-by-day itinerary and typical weather

Typical conditions for each date (2022–2025 climate record, ECMWF). Sea-day figures are approximate, blended from the ports on either side. Not a forecast.
DayPortHigh / lowRain daysWindTypical seas
Day 1Wed, Dec 9Singapore Embark85 / 76°F29 / 25°C85%11 mph17 km/h–
Day 2Thu, Dec 10At sea86 / 75°F30 / 24°C60%7 mph11 km/h2 ft (0.5 m)Smooth; rougher days up to 2 ft
Day 3Fri, Dec 11Ho Chi Minh City88 / 73°F31 / 23°C35%7 mph12 km/h–
Day 4Sat, Dec 12Nha Trang81 / 73°F27 / 23°C67%14 mph22 km/h–
Day 5Sun, Dec 13At sea77 / 68°F25 / 20°C41%9 mph14 km/h3 ft (0.9 m)Slight; rougher days up to 4 ft
Day 6Mon, Dec 14Ha Long Bay (Quang Ninh, Vietnam)73 / 62°F23 / 17°C15%9 mph15 km/h–
Day 7Tue, Dec 15Da Nang77 / 71°F25 / 22°C80%12 mph20 km/h–
Day 8Wed, Dec 16At sea79 / 72°F26 / 22°C88%10 mph15 km/h3 ft (1.0 m)Slight; rougher days up to 5 ft
Day 9Thu, Dec 17At sea79 / 72°F26 / 22°C88%10 mph15 km/h3 ft (1.0 m)Slight; rougher days up to 5 ft
Day 10Fri, Dec 18At sea79 / 72°F26 / 22°C88%10 mph15 km/h3 ft (1.0 m)Slight; rougher days up to 5 ft
Day 11Sat, Dec 19Singapore84 / 76°F29 / 24°C89%12 mph19 km/h–
Day 12Sun, Dec 20At sea85 / 76°F29 / 24°C68%8 mph13 km/h1 ft (0.4 m)Smooth; rougher days up to 2 ft
Day 13Mon, Dec 21Phuket85 / 76°F29 / 24°C47%10 mph16 km/h–
Day 14Tue, Dec 22Langkawi85 / 75°F29 / 24°C39%10 mph16 km/h–
Day 15Wed, Dec 23Penang85 / 76°F30 / 24°C64%7 mph12 km/h–
Day 16Thu, Dec 24Klang (Kuala Lumpur)85 / 74°F29 / 23°C88%6 mph10 km/h–
Day 17Fri, Dec 25At sea82 / 73°F28 / 23°C69%8 mph12 km/h2 ft (0.7 m)Slight; rougher days up to 4 ft
Day 18Sat, Dec 26At sea82 / 73°F28 / 23°C69%8 mph12 km/h2 ft (0.7 m)Slight; rougher days up to 4 ft
Day 19Sun, Dec 27Nha Trang80 / 72°F26 / 22°C50%14 mph23 km/h–
Day 20Mon, Dec 28Ho Chi Minh City89 / 73°F32 / 23°C19%9 mph14 km/h–
Day 21Tue, Dec 29At sea88 / 73°F31 / 23°C12%8 mph12 km/h2 ft (0.5 m)Smooth; rougher days up to 2 ft
Day 22Wed, Dec 30Laem Chabang (Bangkok)86 / 73°F30 / 23°C5%12 mph19 km/h–
Day 23Thu, Dec 31At sea85 / 75°F30 / 24°C47%9 mph14 km/h1 ft (0.3 m)Smooth; rougher days up to 2 ft
Day 24Fri, Jan 1At sea86 / 74°F30 / 24°C44%9 mph14 km/h1 ft (0.3 m)Smooth; rougher days up to 2 ft
Day 25Sat, Jan 2Singapore Disembark84 / 75°F29 / 24°C80%12 mph19 km/h–

Seas are significant wave height, the average of the highest third of waves, on the Douglas sea state scale. What that means on board.

Ports on this cruise

More Diamond Princess sailings

This is the last scheduled sailing we have for this ship.

All Diamond Princess sailings · All Princess Cruises ships