All data are in degrees Fahrenheit

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Water temperature in Surabaya

Detailed information about the current water temperature in Surabaya. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Surabaya now

83.7

°F

September 16, 14:45

Trend:

decreasing

Yesterday:

84.3°F

Tomorrow:

83.5°F

Sunrise:

05:22

Sunset:

17:26

Day Length:

12 h. 4 min.

Surabaya in September

Minimum:

82.5°F

Average:

85.5°F

Maximum:

87.3°F

Sea water temperature in Surabaya today

As of now, in Surabaya, the water temperature is 83.7°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is about the same as the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 85.2°F on 2024, while the historical minimum was 81.8°F on 2019.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 83.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Surabaya

Date Current Year

actual* / forecast**

last year 10 years average
Sep 2 84.0°F 84.2°F 83.5°F
Sep 3 83.6°F 83.5°F 83.3°F
Sep 4 83.9°F 84.4°F 83.5°F
Sep 5 83.7°F 84.4°F 83.4°F
Sep 6 84.0°F 84.5°F 83.6°F
Sep 7 83.4°F 84.2°F 83.5°F
Sep 8 83.3°F 84.5°F 83.8°F
Sep 9 83.8°F 84.5°F 83.8°F
Sep 10 83.9°F 85.3°F 83.9°F
Sep 11 83.9°F 84.8°F 83.9°F
Sep 12 83.7°F 85.7°F 83.9°F
Sep 13 84.3°F 84.8°F 83.9°F
Sep 14 84.3°F 84.7°F 83.9°F
Sep 15 84.3°F 84.3°F 83.8°F
Sep 16 83.7°F 85.2°F 83.8°F
Sep 17 83.5°F 84.2°F 83.7°F
Sep 18 83.7°F 84.3°F 83.9°F
Sep 19 83.7°F 83.9°F 83.8°F
Sep 20 83.7°F 83.7°F 83.8°F
Sep 21 83.8°F 84.8°F 83.9°F
Sep 22 83.8°F 84.4°F 83.9°F
Sep 23 84.1°F 85.4°F 84.2°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Surabaya by month

In Surabaya, the water temperature is comfortable for swimming all year round.
The warmest water in Surabaya was recorded on November 20, 2023, reaching a 89.8°F. While the coldest temperature occurred on August 7, 2018, dipping to 80.9°F. The average readings by season are 85.1°F in Winter, 85.8°F in Spring, 83.7°F in Summer, and 85.5°F in Autumn.