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

70.2

°F

September 15, 01:59

Trend:

decreasing

Yesterday:

71.1°F

Tomorrow:

70.1°F

Sunrise:

06:33

Sunset:

18:56

Day Length:

12 h. 23 min.

Oceanside in September

Minimum:

58.6°F

Average:

60.0°F

Maximum:

62.2°F

Sea water temperature in Oceanside today

As of now, in Oceanside, the water temperature is 70.2°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 1.5°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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 76.2°F on 2015, while the historical minimum was 66.8°F on 2016.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 69.3°F, the minimum temperature may reach 68.8°F, and the maximum might stay at 70.1°F.

Daily water temperature in Oceanside

Date Current Year

actual* / forecast**

last year 10 years average
Sep 1 72.4°F 71.8°F 72.2°F
Sep 2 72.2°F 72.2°F 72.2°F
Sep 3 71.6°F 72.5°F 72.7°F
Sep 4 70.8°F 73.0°F 72.8°F
Sep 5 71.2°F 72.9°F 72.6°F
Sep 6 70.7°F 73.3°F 72.3°F
Sep 7 71.5°F 73.4°F 72.2°F
Sep 8 71.5°F 73.7°F 72.2°F
Sep 9 71.8°F 74.1°F 72.3°F
Sep 10 71.4°F 74.9°F 72.4°F
Sep 11 71.9°F 74.1°F 72.2°F
Sep 12 71.7°F 74.0°F 72.1°F
Sep 13 71.5°F 74.7°F 71.8°F
Sep 14 71.1°F 74.1°F 71.8°F
Sep 15 70.2°F 73.2°F 71.8°F
Sep 16 70.1°F 72.9°F 71.6°F
Sep 17 69.8°F 72.5°F 71.4°F
Sep 18 69.6°F 72.5°F 71.2°F
Sep 19 69.1°F 71.6°F 70.7°F
Sep 20 68.8°F 70.7°F 70.3°F
Sep 21 68.8°F 70.4°F 70.4°F
Sep 22 69.0°F 70.4°F 70.5°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, 61.6°F in Spring, 69.8°F in Summer, and 68.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Laguna Beach 69.9°F 33mi
San Diego 67.5°F 35mi
Tijuana 65.8°F 53mi
Long Beach 67.7°F 61mi

* current water temperature in this city

** straight line distance from Oceanside