What is the current water temperature in Lunenburg?

Q: What is the current water temperature in Lunenburg?

As of now, in Lunenburg, the water temperature is 3.78°C. 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.

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Water temperature in Lunenburg

Detailed information about the current water temperature in Lunenburg. 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.

38.8

°F

April 13, 00:34

Trend:

stable

Yesterday:

38.2°F

Tomorrow:

38.4°F

Sunrise:

06:37

Sunset:

19:59

Day Length:

13 h. 22 min.

Lunenburg in April

Minimum:

36.3°F

Average:

38.9°F

Maximum:

41.2°F

Sea water temperature in Lunenburg today

As of now, in Lunenburg, the water temperature is 38.8°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 0.2°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

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 43.7°F on 2021, while the historical minimum was 36.0°F on 2025.

latest data

last year

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 minimum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 39.3°F, with minimum temperature starting at 38.4°F, while the maximum might reach 39.8°F.

Daily water temperature in Lunenburg

Date	Current Year actual* / forecast**	last year	10 years average
Mar 30	34.8°F	37.2°F	36.1°F
Mar 31	35.1°F	35.0°F	35.9°F
Apr 1	35.3°F	35.5°F	35.9°F
Apr 2	35.2°F	37.7°F	36.3°F
Apr 3	35.6°F	37.0°F	36.5°F
Apr 4	35.9°F	36.6°F	36.5°F
Apr 5	34.6°F	35.7°F	36.3°F
Apr 6	34.7°F	37.0°F	36.6°F
Apr 7	37.1°F	37.1°F	37.0°F
Apr 8	36.5°F	36.3°F	37.2°F
Apr 9	37.0°F	36.1°F	37.6°F
Apr 10	36.3°F	36.7°F	38.0°F
Apr 11	38.5°F	36.7°F	37.8°F
Apr 12	38.2°F	36.3°F	38.0°F
Apr 13	38.8°F	36.0°F	38.6°F
Apr 14	38.4°F	36.3°F	38.2°F
Apr 15	39.1°F	36.6°F	38.9°F
Apr 16	39.1°F	37.9°F	38.9°F
Apr 17	39.6°F	39.7°F	39.4°F
Apr 18	39.3°F	38.1°F	39.1°F
Apr 19	39.7°F	38.9°F	39.5°F
Apr 20	39.8°F	38.9°F	39.6°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 Lunenburg by month

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

The warmest water in Lunenburg was recorded on July 29, 2023, reaching a 71.6°F. While the coldest temperature occurred on February 23, 2025, dipping to 32.0°F. The average readings by season are 38.0°F in Winter, 39.5°F in Spring, 58.8°F in Summer, and 56.5°F in Autumn.