Water temperature in Long Beach
40.9
°F
December 19, 04:03
Trend:
decreasingYesterday:
41.0°FTomorrow:
40.5°F
Sunrise:
Sunset:
Day Length:
9 h. 30 min.Long Beach in December
Minimum:
33.9°FAverage:
40.3°FMaximum:
45.2°FSea water temperature in Long Beach today
As of now, in Long Beach, the water temperature is 40.9°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 5.0°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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 51.6°F on 2015, while the historical minimum was 43.3°F on 2018.
Daily water temperature in Long Beach
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Dec 5 | 48.4°F | 50.3°F | 50.1°F |
| Dec 6 | 48.0°F | 49.5°F | 49.8°F |
| Dec 7 | 47.6°F | 48.9°F | 49.3°F |
| Dec 8 | 46.8°F | 47.8°F | 49.0°F |
| Dec 9 | 46.8°F | 48.7°F | 48.5°F |
| Dec 10 | 46.0°F | 45.5°F | 48.0°F |
| Dec 11 | 46.4°F | 46.5°F | 47.9°F |
| Dec 12 | 45.8°F | 48.9°F | 47.7°F |
| Dec 13 | 43.9°F | 47.3°F | 47.2°F |
| Dec 14 | 44.0°F | 46.7°F | 47.0°F |
| Dec 15 | 44.4°F | 45.7°F | 46.6°F |
| Dec 16 | 43.3°F | 45.0°F | 46.5°F |
| Dec 17 | 43.2°F | 44.2°F | 46.0°F |
| Dec 18 | 41.0°F | 44.7°F | 45.8°F |
| Dec 19 | 40.9°F | 44.0°F | 46.0°F |
| Dec 20 | 40.5°F | 45.4°F | 45.6°F |
| Dec 21 | 40.4°F | 45.0°F | 45.4°F |
| Dec 22 | 39.9°F | 43.4°F | 44.9°F |
| Dec 23 | 39.9°F | 43.3°F | 44.9°F |
| Dec 24 | 39.8°F | 43.0°F | 44.9°F |
| Dec 25 | 39.6°F | 41.5°F | 44.6°F |
| Dec 26 | 39.4°F | 41.1°F | 44.4°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.