All data are in degrees Fahrenheit

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Water temperature in Keelung

Detailed information about the current water temperature in Keelung. 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 Keelung now

81.9

°F

August 30, 03:23

Trend:

stable

Yesterday:

81.7°F

Tomorrow:

81.6°F

Sunrise:

05:33

Sunset:

18:15

Day Length:

12 h. 42 min.

Keelung in September

Minimum:

64.7°F

Average:

68.1°F

Maximum:

70.7°F

Sea water temperature in Keelung today

As of now, in Keelung, the water temperature is 81.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.4°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 85.0°F on 2024, while the historical minimum was 81.0°F on 2015.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 81.6°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Keelung

Date Current Year

actual* / forecast**

last year 10 years average
Aug 16 82.3°F 85.1°F 83.8°F
Aug 17 82.2°F 84.9°F 83.8°F
Aug 18 81.4°F 84.8°F 83.7°F
Aug 19 82.4°F 85.0°F 83.8°F
Aug 20 83.0°F 84.9°F 83.7°F
Aug 21 82.9°F 84.7°F 83.8°F
Aug 22 82.8°F 83.8°F 83.5°F
Aug 23 83.1°F 83.7°F 83.5°F
Aug 24 83.1°F 83.0°F 83.5°F
Aug 25 82.1°F 83.0°F 83.3°F
Aug 26 83.0°F 82.9°F 83.3°F
Aug 27 82.9°F 83.6°F 83.3°F
Aug 28 82.5°F 85.1°F 83.2°F
Aug 29 81.7°F 84.8°F 83.2°F
Aug 30 81.9°F 85.0°F 83.3°F
Aug 31 81.6°F 84.8°F 83.1°F
Sep 1 81.6°F 85.2°F 83.1°F
Sep 2 81.5°F 84.7°F 82.9°F
Sep 3 81.5°F 84.5°F 82.9°F
Sep 4 81.7°F 84.2°F 83.1°F
Sep 5 81.6°F 83.7°F 83.1°F
Sep 6 81.6°F 83.6°F 83.0°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 Keelung by month

In Keelung, the months May through November offer comfortable swimming conditions, which amounts to 220 swimming days.
The warmest water in Keelung was recorded on July 19, 2024, reaching a 86.6°F. While the coldest temperature occurred on March 23, 2025, dipping to 62.4°F. The average readings by season are 68.2°F in Winter, 72.6°F in Spring, 82.8°F in Summer, and 78.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Taipei 84.9°F 14mi
Banqiao 85.0°F 19mi
Taoyuan City 85.4°F 29mi
Hsinchu 85.5°F 53mi

* current water temperature in this city

** straight line distance from Keelung