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

81.1

°F

July 26, 04:26

Trend:

stable

Yesterday:

81.4°F

Tomorrow:

81.2°F

Sunrise:

06:02

Sunset:

20:22

Day Length:

14 h. 20 min.

Long Beach in August

Minimum:

34.2°F

Average:

41.8°F

Maximum:

45.0°F

Sea water temperature in Long Beach today

As of now, in Long Beach, the water temperature is 81.1°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.2°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 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 84.4°F on 2020, while the historical minimum was 78.4°F on 2018.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 81.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Long Beach

Date Current Year

actual* / forecast**

last year 10 years average
Jul 12 81.8°F 83.8°F 80.9°F
Jul 13 81.0°F 83.4°F 81.0°F
Jul 14 81.5°F 83.8°F 81.4°F
Jul 15 81.0°F 83.2°F 81.5°F
Jul 16 80.7°F 83.5°F 81.3°F
Jul 17 82.4°F 83.6°F 81.9°F
Jul 18 81.3°F 84.0°F 82.1°F
Jul 19 82.2°F 84.0°F 82.5°F
Jul 20 82.4°F 84.1°F 82.5°F
Jul 21 82.0°F 84.0°F 82.5°F
Jul 22 81.6°F 85.2°F 82.6°F
Jul 23 81.8°F 84.2°F 82.7°F
Jul 24 83.0°F 83.5°F 82.6°F
Jul 25 81.4°F 83.3°F 82.4°F
Jul 26 81.1°F 83.1°F 82.3°F
Jul 27 81.2°F 83.8°F 82.4°F
Jul 28 81.6°F 83.8°F 82.8°F
Jul 29 81.8°F 85.2°F 83.0°F
Jul 30 81.7°F 86.0°F 82.9°F
Jul 31 81.1°F 85.1°F 82.3°F
Aug 1 80.8°F 84.8°F 82.0°F
Aug 2 80.7°F 83.5°F 82.0°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 Long Beach, the months June through September offer comfortable swimming conditions, which amounts to 109 swimming days.
The warmest water in Long Beach was recorded on July 30, 2025, reaching a 86.0°F. While the coldest temperature occurred on February 3, 2026, dipping to 32.0°F. The average readings by season are 41.9°F in Winter, 54.0°F in Spring, 78.8°F in Summer, and 67.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Annapolis 81.0°F 36mi
Warsaw 81.6°F 38mi
Baltimore 79.6°F 58mi

* current water temperature in this city

** straight line distance from Long Beach