All data are in degrees Fahrenheit

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Water temperature in Santa Monica

Detailed information about the current water temperature in Santa Monica. 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 Santa Monica now

66.0

°F

May 26, 01:38

Trend:

decreasing

Yesterday:

66.1°F

Tomorrow:

65.7°F

Sunrise:

06:53

Sunset:

17:28

Day Length:

10 h. 35 min.

Santa Monica in June

Minimum:

76.2°F

Average:

77.9°F

Maximum:

80.0°F

Sea water temperature in Santa Monica today

As of now, in Santa Monica, the water temperature is 66.0°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 3.2°F lower than 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 considerably 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 72.6°F on 2023, while the historical minimum was 64.1°F on 2016.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 65.2°F, the minimum temperature may reach 64.6°F, and the maximum might stay at 65.7°F.

Daily water temperature in Santa Monica

Date Current Year

actual* / forecast**

last year 10 years average
May 12 70.0°F 72.2°F 71.6°F
May 13 69.1°F 72.7°F 71.5°F
May 14 68.6°F 72.6°F 71.2°F
May 15 68.4°F 72.6°F 71.2°F
May 16 68.5°F 72.1°F 70.9°F
May 17 68.5°F 73.3°F 70.8°F
May 18 68.5°F 72.5°F 70.6°F
May 19 68.3°F 73.5°F 70.4°F
May 20 68.2°F 73.1°F 70.1°F
May 21 67.7°F 72.9°F 69.7°F
May 22 66.8°F 72.7°F 69.3°F
May 23 66.7°F 72.5°F 69.3°F
May 24 66.4°F 72.0°F 69.2°F
May 25 66.1°F 71.5°F 69.4°F
May 26 66.0°F 71.0°F 69.2°F
May 27 65.7°F 70.6°F 68.9°F
May 28 65.7°F 72.0°F 68.9°F
May 29 65.4°F 71.1°F 68.6°F
May 30 65.1°F 69.6°F 68.4°F
May 31 65.1°F 69.2°F 68.3°F
Jun 1 64.6°F 67.9°F 67.8°F
Jun 2 64.6°F 68.3°F 67.9°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 Santa Monica by month

In Santa Monica, the months December through April offer comfortable swimming conditions, which amounts to 159 swimming days.
The warmest water in Santa Monica was recorded on February 6, 2025, reaching a 83.4°F. While the coldest temperature occurred on June 14, 2016, dipping to 59.3°F. The average readings by season are 77.9°F in Winter, 74.9°F in Spring, 65.2°F in Summer, and 69.3°F in Autumn.