MyCruiseForecast

Holland America Line · 28 nights

Westerdam weather: 28-night cruise from Singapore, January 3, 2027

The Westerdam (Holland America Line) leaves Singapore on January 3, 2027 for a 28-night cruise, with stops in Puerto Princesa, Bitung, Jayapura, Rabaul, Kiriwina Island (Losuia), Townsville and 5 more. It returns to Singapore on January 31, 2027. Typical afternoon highs along the route run from 82°F to 90°F (28°C to 32°C), and 16 days are at sea, where seas are typically moderate (around 5 ft).

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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 (2006–2025 climate record, ECMWF). Sea-day figures are approximate, blended from the ports on either side. Not a forecast.
DayPortHigh / lowRain daysWindTypical seas
Day 1Sun, Jan 3Singapore Embark87 / 75°F31 / 24°C46%12 mph19 km/h–
Day 2Mon, Jan 4At sea86 / 75°F30 / 24°C45%9 mph15 km/h2 ft (0.6 m)Slight; rougher days up to 3 ft
Day 3Tue, Jan 5At sea86 / 75°F30 / 24°C45%9 mph15 km/h2 ft (0.6 m)Slight; rougher days up to 3 ft
Day 4Wed, Jan 6At sea86 / 75°F30 / 24°C45%9 mph15 km/h2 ft (0.6 m)Slight; rougher days up to 3 ft
Day 5Thu, Jan 7Puerto Princesa86 / 76°F30 / 24°C43%12 mph20 km/h–
Day 6Fri, Jan 8At sea88 / 76°F31 / 25°C48%7 mph12 km/h3 ft (0.9 m)Slight; rougher days up to 5 ft
Day 7Sat, Jan 9Bitung90 / 76°F32 / 25°C52%7 mph11 km/h–
Day 8Sun, Jan 10At sea90 / 76°F32 / 24°C62%5 mph8 km/h4 ft (1.1 m)Slight; rougher days up to 5 ft
Day 9Mon, Jan 11At sea90 / 76°F32 / 24°C62%5 mph8 km/h4 ft (1.1 m)Slight; rougher days up to 5 ft
Day 10Tue, Jan 12Jayapura89 / 75°F32 / 24°C72%6 mph9 km/h–
Day 11Wed, Jan 13At sea89 / 76°F32 / 25°C63%6 mph9 km/h3 ft (0.9 m)Slight; rougher days up to 4 ft
Day 12Thu, Jan 14At sea89 / 76°F32 / 25°C63%6 mph9 km/h3 ft (0.9 m)Slight; rougher days up to 4 ft
Day 13Fri, Jan 15Rabaul88 / 77°F31 / 25°C53%9 mph15 km/h–
Day 14Sat, Jan 16Kiriwina Island (Losuia)88 / 77°F31 / 25°C61%10 mph16 km/h–
Day 15Sun, Jan 17At sea88 / 77°F31 / 25°C54%8 mph13 km/h2 ft (0.6 m)Slight; rougher days up to 4 ft
Day 16Mon, Jan 18At sea88 / 77°F31 / 25°C54%8 mph13 km/h2 ft (0.6 m)Slight; rougher days up to 4 ft
Day 17Tue, Jan 19Townsville89 / 77°F32 / 25°C46%12 mph19 km/h–
Day 18Wed, Jan 20Cairns89 / 75°F32 / 24°C59%9 mph15 km/h–
Day 19Thu, Jan 21At sea89 / 76°F32 / 25°C63%9 mph14 km/h3 ft (0.8 m)Slight; rougher days up to 5 ft
Day 20Fri, Jan 22At sea89 / 76°F32 / 25°C63%9 mph14 km/h3 ft (0.8 m)Slight; rougher days up to 5 ft
Day 21Sat, Jan 23Darwin89 / 77°F32 / 25°C66%14 mph22 km/h–
Day 22Sun, Jan 24At sea86 / 75°F30 / 24°C60%9 mph15 km/h3 ft (0.9 m)Slight; rougher days up to 5 ft
Day 23Mon, Jan 25At sea86 / 75°F30 / 24°C60%9 mph15 km/h3 ft (0.9 m)Slight; rougher days up to 5 ft
Day 24Tue, Jan 26Komodo Island82 / 72°F28 / 22°C53%11 mph17 km/h–
Day 25Wed, Jan 27Bali (Benoa)88 / 76°F31 / 24°C54%10 mph16 km/h–
Day 26Thu, Jan 28At sea87 / 77°F31 / 25°C54%10 mph15 km/h5 ft (1.5 m)Moderate; rougher days up to 7 ft
Day 27Fri, Jan 29Krakatoa (Anak Krakatau)86 / 79°F30 / 26°C53%16 mph25 km/h–
Day 28Sat, Jan 30At sea87 / 77°F30 / 25°C44%10 mph17 km/h3 ft (0.8 m)Slight; rougher days up to 3 ft
Day 29Sun, Jan 31Singapore Disembark87 / 75°F31 / 24°C35%12 mph20 km/h–

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

Ports on this cruise

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