What is the current water temperature in Eureka?

Q: What is the current water temperature in Eureka?

As of now, in Eureka, the water temperature is 10.47°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.

United States > Eureka

Water temperature in Eureka

Detailed information about the current water temperature in Eureka. 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.

50.8

°F

April 17, 21:17

Trend:

increasing

Yesterday:

50.7°F

Tomorrow:

51.0°F

Sunrise:

06:35

Sunset:

19:58

Day Length:

13 h. 23 min.

Eureka in April

Minimum:

50.4°F

Average:

52.3°F

Maximum:

54.8°F

Sea water temperature in Eureka today

As of now, in Eureka, the water temperature is 50.8°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 0.5°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 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 53.7°F on 2016, while the historical minimum was 48.0°F on 2022.

latest data

last year

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 51.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Eureka

Date	Current Year actual* / forecast**	last year	10 years average
Apr 3	51.6°F	52.6°F	51.2°F
Apr 4	51.7°F	52.4°F	51.1°F
Apr 5	51.3°F	52.3°F	51.3°F
Apr 6	51.9°F	51.0°F	51.4°F
Apr 7	52.2°F	51.0°F	51.3°F
Apr 8	52.0°F	51.2°F	51.4°F
Apr 9	52.0°F	51.4°F	51.5°F
Apr 10	51.8°F	50.7°F	51.3°F
Apr 11	52.6°F	50.9°F	51.4°F
Apr 12	52.9°F	51.2°F	51.5°F
Apr 13	51.3°F	51.7°F	51.3°F
Apr 14	49.6°F	51.7°F	51.2°F
Apr 15	49.8°F	51.7°F	51.3°F
Apr 16	50.7°F	51.2°F	51.3°F
Apr 17	50.8°F	50.6°F	51.4°F
Apr 18	51.0°F	50.5°F	51.5°F
Apr 19	51.3°F	50.3°F	51.8°F
Apr 20	51.4°F	50.2°F	52.0°F
Apr 21	51.4°F	50.9°F	52.0°F
Apr 22	51.1°F	50.5°F	51.6°F
Apr 23	50.9°F	49.4°F	51.4°F
Apr 24	51.0°F	50.1°F	51.5°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 Eureka by month

In an average year, Eureka offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Eureka was recorded on August 12, 2022, reaching a 61.8°F. While the coldest temperature occurred on July 15, 2021, dipping to 44.7°F. The average readings by season are 52.1°F in Winter, 51.3°F in Spring, 54.0°F in Summer, and 54.2°F in Autumn.