Moluccan Sea Water Temperature Today & Regional Overview

Current Water Temperature

The water temperature in the Moluccan Sea today ranges from 30°C (Tolitoli, Indonesia) to 30°C (Tolitoli, Indonesia).

As of today, the minimum water temperature in the Moluccan Sea is above 82°F (28°C). This is very warm water, which may feel almost hot to most people. Swimming in such conditions is perfect for those seeking relaxation and comfort in the water. These waters are often preferred for relaxation in hot weather, as the water temperature does not cool the body significantly. However, it is important to remember that in such warm waters, caution is necessary, as prolonged exposure without rest can lead to overheating.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature and Swimming Conditions Throughout the Year

Month	Min	Max
January	27°C	31°C
February	27°C	31°C
March	27°C	31°C
April	27°C	32°C
May	28°C	32°C
June	28°C	32°C
July	28°C	32°C
August	27°C	31°C
September	27°C	31°C
October	27°C	32°C
November	28°C	32°C
December	28°C	31°C

The Moluccan Sea is a warm tropical body of water surrounding the Maluku Islands in eastern Indonesia. Sea surface temperatures are consistently high year-round, typically ranging from about 26–28 °C during the coolest months to roughly 28–31 °C at the warmest. Seasonal variation is modest: the coolest period often falls in the austral winter months (around June to September) when temperatures commonly sit near 26–28 °C, while the warmer intermonsoon and wet-season months (approximately November to April) tend to see averages closer to 28–31 °C. Localized factors such as depth, currents, and proximity to upwelling zones can produce small departures from these general figures, but overall the Moluccan Sea remains within this narrow tropical band.

Swimming Conditions

Swimming in the Moluccan Sea is generally permitted and popular, largely because the comfortably warm water makes prolonged immersion pleasant and suitable for snorkeling, diving, and recreational swimming. However, conditions that affect safety and enjoyment are seasonal: stronger winds and rough seas associated with monsoon periods can create strong currents, higher waves, and reduced visibility, making some areas hazardous at times. Coral reefs, sudden drop-offs and marine life also influence where and when it is advisable to swim, so local guidance, beach flags and boat operators should be heeded. In short, the water temperature is ideal for swimming most of the year, but visitors should evaluate weather, sea state and local advisories before entering the water.

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