All data are in degrees Fahrenheit

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Water temperature in Long Beach

Detailed information about the current water temperature in Long Beach. 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 Long Beach now

69.5

°F

September 17, 20:18

Trend:

stable

Yesterday:

68.5°F

Tomorrow:

69.4°F

Sunrise:

06:37

Sunset:

18:57

Day Length:

12 h. 20 min.

Long Beach in September

Minimum:

57.1°F

Average:

59.0°F

Maximum:

61.8°F

Sea water temperature in Long Beach today

As of now, in Long Beach, the water temperature is 69.5°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 1.7°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable 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

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming 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 73.9°F on 2015, while the historical minimum was 60.6°F on 2021.

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 69.1°F, the minimum temperature may reach 68.8°F, and the maximum might stay at 69.4°F.

Daily water temperature in Long Beach

Date Current Year

actual* / forecast**

last year 10 years average
Sep 3 70.4°F 69.8°F 67.8°F
Sep 4 68.8°F 69.0°F 67.6°F
Sep 5 67.1°F 69.2°F 67.8°F
Sep 6 66.5°F 68.2°F 67.4°F
Sep 7 67.2°F 67.9°F 67.4°F
Sep 8 67.8°F 68.6°F 67.6°F
Sep 9 68.2°F 69.3°F 68.1°F
Sep 10 67.7°F 68.4°F 68.1°F
Sep 11 68.1°F 67.3°F 68.1°F
Sep 12 67.9°F 65.3°F 68.5°F
Sep 13 68.2°F 64.8°F 68.6°F
Sep 14 67.6°F 66.5°F 68.5°F
Sep 15 67.7°F 67.7°F 68.5°F
Sep 16 68.5°F 68.4°F 68.2°F
Sep 17 69.5°F 67.8°F 67.8°F
Sep 18 69.4°F 66.0°F 67.7°F
Sep 19 69.3°F 65.8°F 67.6°F
Sep 20 68.9°F 65.6°F 67.2°F
Sep 21 69.0°F 64.9°F 67.2°F
Sep 22 69.3°F 64.7°F 67.6°F
Sep 23 69.1°F 64.4°F 67.4°F
Sep 24 68.8°F 63.9°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 Long Beach by month

In an average year, Long Beach offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Long Beach was recorded on August 24, 2020, reaching a 74.9°F. While the coldest temperature occurred on April 11, 2023, dipping to 51.6°F. The average readings by season are 59.3°F in Winter, 59.5°F in Spring, 65.4°F in Summer, and 65.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Redondo Beach 69.6°F 13mi
Venice 70.4°F 22mi
Laguna Beach 68.8°F 28mi
Malibu 69.9°F 38mi
Oceanside 70.7°F 61mi

* current water temperature in this city

** straight line distance from Long Beach