Seram Sea Water Temperature Today & Regional Overview
We find every place where you can swim and show you the water temperature there today and throughout the year.
Current Water Temperature
The water temperature in the Seram Sea today ranges from 25.8°C (Ambon, Indonesia) to 27.6°C (Wahai, Indonesia).
As of today, the minimum water temperature in the Seram Sea ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health.
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.
Sea Temperature Trends
Over the past month, the water temperature in the Seram Sea has remained almost unchanged. In general, the sea water temperature remains within the statistical range for this time of year.
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 | 28°C | 31°C |
| May | 27°C | 32°C |
| June | 25°C | 31°C |
| July | 25°C | 31°C |
| August | 25°C | 30°C |
| September | 25°C | 31°C |
| October | 26°C | 31°C |
| November | 27°C | 32°C |
| December | 27°C | 32°C |
The Seram Sea, lying in eastern Indonesia around Seram Island and the Maluku archipelago, is characteristically warm throughout the year. Sea surface temperatures generally range from about 26°C to 30°C. Seasonal variation is modest: during the drier southeast monsoon months (roughly May to October) surface temperatures commonly sit slightly lower, often between about 26°C and 29°C, while the wetter northwest monsoon period (roughly November to April) tends to bring warmer waters, typically in the 28°C to 30°C range. Local conditions can produce small-scale differences: shallow bays and lagoons warm more in calm weather, whereas deeper channels and areas with upwelling may be cooler by a degree or two.
Swimming Conditions
Swimming in the Seram Sea is widely possible and popular in sheltered beaches, coves and around reef systems because the water temperature is comfortable year-round and generally does not require thermal protection for surface swimming. However, swimming in open or channel waters can be hazardous due to strong currents, tidal exchanges and boat traffic, so swimmers are advised to choose protected areas or go with local guides. Coral reefs make many shallows excellent for snorkeling but also present abrasion risks, and seasonal jellyfish or drifting debris can occur. For scuba diving, most divers wear a light wetsuit (about 1–3 mm) for comfort during longer submerged periods even though the ambient temperature remains warm. Overall, the Seram Sea offers good swimming opportunities provided local conditions and safety considerations are observed.