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

74.3

°F

November 15, 15:11

Trend:

decreasing

Yesterday:

74.5°F

Tomorrow:

74.0°F

Sunrise:

06:20

Sunset:

16:48

Day Length:

10 h. 28 min.

Oceanside in November

Minimum:

57.7°F

Average:

59.9°F

Maximum:

62.0°F

Sea water temperature in Oceanside today

As of now, in Oceanside, the water temperature is 74.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 10.2°F higher 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 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 66.8°F on 2025, while the historical minimum was 60.8°F on 2020.

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 shows a gradual cooling trend. The average temperature is expected to be 73.8°F, the minimum temperature may reach 73.3°F, and the maximum might stay at 74.2°F.

Daily water temperature in Oceanside

Date Current Year

actual* / forecast**

last year 10 years average
Nov 1 73.5°F 66.9°F 67.1°F
Nov 2 73.9°F 67.3°F 66.9°F
Nov 3 74.9°F 67.4°F 66.8°F
Nov 4 74.6°F 67.2°F 66.7°F
Nov 5 74.8°F 67.4°F 66.2°F
Nov 6 75.6°F 67.6°F 66.3°F
Nov 7 75.4°F 66.7°F 66.2°F
Nov 8 74.6°F 66.6°F 66.0°F
Nov 9 74.7°F 66.6°F 66.2°F
Nov 10 74.7°F 66.9°F 65.9°F
Nov 11 74.0°F 67.2°F 65.5°F
Nov 12 73.9°F 67.2°F 65.4°F
Nov 13 74.4°F 67.2°F 65.4°F
Nov 14 74.5°F 66.7°F 65.4°F
Nov 15 74.3°F 66.8°F 64.1°F
Nov 16 74.0°F 66.1°F 63.8°F
Nov 17 74.2°F 66.2°F 64.0°F
Nov 18 74.0°F 66.1°F 63.8°F
Nov 19 73.9°F 65.7°F 63.7°F
Nov 20 73.7°F 65.6°F 63.5°F
Nov 21 73.5°F 64.9°F 63.3°F
Nov 22 73.3°F 64.2°F 63.1°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 67.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Laguna Beach 74.1°F 33mi
San Diego 72.7°F 35mi
Tijuana 73.7°F 53mi
Long Beach 73.2°F 61mi

* current water temperature in this city

** straight line distance from Oceanside