All data are in degrees Fahrenheit

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Water temperature in Oceanside

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

72.9

°F

October 18, 16:42

Trend:

increasing

Yesterday:

72.7°F

Tomorrow:

73.1°F

Sunrise:

06:56

Sunset:

18:13

Day Length:

11 h. 17 min.

Oceanside in October

Minimum:

58.2°F

Average:

60.0°F

Maximum:

62.5°F

Sea water temperature in Oceanside today

As of now, in Oceanside, the water temperature is 72.9°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 6.2°F higher 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 rise 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 maximum temperature for this date. The maximum temperature recorded for this date was 71.9°F on 2020, while the historical minimum was 61.9°F on 2021.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 73.3°F, with minimum temperature starting at 73.1°F, while the maximum might reach 73.8°F.

Daily water temperature in Oceanside

Date Current Year

actual* / forecast**

last year 10 years average
Oct 4 73.6°F 66.9°F 69.0°F
Oct 5 74.3°F 66.6°F 69.0°F
Oct 6 74.6°F 67.4°F 69.3°F
Oct 7 74.2°F 67.2°F 69.0°F
Oct 8 74.2°F 67.5°F 68.9°F
Oct 9 74.3°F 67.2°F 68.9°F
Oct 10 74.4°F 66.9°F 68.9°F
Oct 11 73.6°F 66.7°F 68.6°F
Oct 12 72.7°F 66.7°F 68.3°F
Oct 13 72.3°F 67.0°F 67.9°F
Oct 14 72.6°F 67.4°F 67.8°F
Oct 15 71.9°F 66.7°F 67.7°F
Oct 16 72.0°F 65.1°F 67.2°F
Oct 17 72.7°F 63.8°F 67.3°F
Oct 18 72.9°F 64.5°F 66.7°F
Oct 19 73.1°F 65.3°F 66.9°F
Oct 20 73.1°F 64.3°F 66.9°F
Oct 21 73.2°F 64.2°F 67.0°F
Oct 22 73.5°F 64.4°F 67.2°F
Oct 23 73.8°F 65.1°F 67.6°F
Oct 24 73.5°F 64.0°F 67.3°F
Oct 25 73.3°F 64.0°F 67.0°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 Oceanside by month

In an average year, Oceanside offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Oceanside was recorded on August 11, 2018, reaching a 79.1°F. While the coldest temperature occurred on April 7, 2023, dipping to 55.0°F. The average readings by season are 60.3°F in Winter, 61.8°F in Spring, 69.9°F in Summer, and 67.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Laguna Beach 72.5°F 33mi
San Diego 73.4°F 35mi
Tijuana 71.6°F 53mi
Long Beach 71.3°F 61mi

* current water temperature in this city

** straight line distance from Oceanside