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

68.5

°F

October 30, 19:10

Trend:

stable

Yesterday:

68.1°F

Tomorrow:

68.3°F

Sunrise:

05:25

Sunset:

18:31

Day Length:

13 h. 6 min.

Santa Monica in November

Minimum:

76.4°F

Average:

78.4°F

Maximum:

80.8°F

Sea water temperature in Santa Monica today

As of now, in Santa Monica, the water temperature is 68.5°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 3.1°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 stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 74.2°F on 2024, while the historical minimum was 68.7°F on 2016.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 67.9°F, the minimum temperature may reach 67.5°F, and the maximum might stay at 68.3°F.

Daily water temperature in Santa Monica

Date Current Year

actual* / forecast**

last year 10 years average
Oct 16 68.6°F 70.5°F 69.2°F
Oct 17 69.4°F 70.3°F 69.2°F
Oct 18 68.4°F 70.9°F 69.4°F
Oct 19 68.5°F 70.5°F 69.3°F
Oct 20 67.1°F 69.9°F 69.2°F
Oct 21 66.3°F 68.8°F 69.1°F
Oct 22 66.4°F 69.2°F 69.4°F
Oct 23 66.5°F 69.2°F 69.7°F
Oct 24 66.7°F 69.8°F 69.7°F
Oct 25 66.7°F 70.4°F 69.9°F
Oct 26 67.7°F 69.5°F 70.0°F
Oct 27 67.9°F 69.6°F 70.3°F
Oct 28 67.7°F 69.7°F 70.8°F
Oct 29 68.1°F 69.8°F 71.2°F
Oct 30 68.5°F 69.9°F 71.5°F
Oct 31 68.3°F 69.8°F 71.4°F
Nov 1 68.1°F 69.3°F 71.2°F
Nov 2 67.7°F 68.8°F 70.8°F
Nov 3 67.5°F 68.8°F 70.6°F
Nov 4 67.6°F 70.7°F 70.7°F
Nov 5 67.9°F 70.6°F 70.9°F
Nov 6 67.9°F 71.5°F 70.9°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 69.2°F in Autumn.