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

76.8

°F

June 15, 18:16

Trend:

stable

Yesterday:

75.6°F

Tomorrow:

76.8°F

Sunrise:

05:41

Sunset:

20:31

Day Length:

14 h. 50 min.

Long Beach in June

Minimum:

36.2°F

Average:

42.7°F

Maximum:

46.3°F

Sea water temperature in Long Beach today

As of now, in Long Beach, the water temperature is 76.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 3.1°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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 76.3°F on 2025, while the historical minimum was 70.2°F on 2023.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 77.7°F, with minimum temperature starting at 76.8°F, while the maximum might reach 78.5°F.

Daily water temperature in Long Beach

Date Current Year

actual* / forecast**

last year 10 years average
Jun 1 66.2°F 66.6°F 69.0°F
Jun 2 67.0°F 66.0°F 69.8°F
Jun 3 68.0°F 66.2°F 70.5°F
Jun 4 68.1°F 65.9°F 70.8°F
Jun 5 68.4°F 67.6°F 70.6°F
Jun 6 70.7°F 67.9°F 71.0°F
Jun 7 71.4°F 69.1°F 71.4°F
Jun 8 74.8°F 70.0°F 72.2°F
Jun 9 74.3°F 70.9°F 72.3°F
Jun 10 73.0°F 71.8°F 72.7°F
Jun 11 74.2°F 73.7°F 73.3°F
Jun 12 74.2°F 74.6°F 73.3°F
Jun 13 76.3°F 74.2°F 73.6°F
Jun 14 75.6°F 74.3°F 73.9°F
Jun 15 76.8°F 76.3°F 73.8°F
Jun 16 76.8°F 75.3°F 73.8°F
Jun 17 76.9°F 74.6°F 73.9°F
Jun 18 77.4°F 74.2°F 74.3°F
Jun 19 77.8°F 76.0°F 74.7°F
Jun 20 77.9°F 76.8°F 74.9°F
Jun 21 78.5°F 76.7°F 75.5°F
Jun 22 78.4°F 76.5°F 75.3°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 77.1°F 36mi
Warsaw 79.7°F 38mi
Baltimore 77.1°F 58mi

* current water temperature in this city

** straight line distance from Long Beach