All data are in degrees Fahrenheit

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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.
Sea temperature in Lunenburg now

41.6

°F

April 29, 01:12

Trend:

stable

Yesterday:

41.2°F

Tomorrow:

41.6°F

Sunrise:

06:11

Sunset:

20:19

Day Length:

14 h. 8 min.

Lunenburg in May

Minimum:

36.6°F

Average:

38.7°F

Maximum:

41.2°F

Sea water temperature in Lunenburg today

As of now, in Lunenburg, the water temperature is 41.6°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 0.8°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 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 45.8°F on 2023, while the historical minimum was 37.7°F on 2019.

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 42.4°F, with minimum temperature starting at 41.6°F, while the maximum might reach 43.4°F.

Daily water temperature in Lunenburg

Date Current Year

actual* / forecast**

last year 10 years average
Apr 15 37.3°F 36.6°F 38.8°F
Apr 16 37.5°F 37.9°F 38.8°F
Apr 17 38.2°F 39.7°F 39.3°F
Apr 18 37.7°F 38.1°F 39.0°F
Apr 19 37.2°F 38.9°F 39.3°F
Apr 20 38.6°F 38.9°F 39.5°F
Apr 21 38.1°F 38.9°F 39.6°F
Apr 22 39.2°F 39.6°F 39.8°F
Apr 23 40.0°F 39.3°F 40.1°F
Apr 24 39.1°F 42.9°F 40.4°F
Apr 25 40.7°F 41.2°F 40.4°F
Apr 26 40.8°F 42.4°F 40.6°F
Apr 27 41.9°F 41.8°F 40.5°F
Apr 28 41.2°F 41.5°F 40.4°F
Apr 29 41.6°F 43.6°F 40.8°F
Apr 30 41.6°F 41.5°F 40.8°F
May 1 41.6°F 42.1°F 40.8°F
May 2 42.4°F 42.6°F 41.6°F
May 3 42.2°F 42.0°F 41.4°F
May 4 42.8°F 43.4°F 42.0°F
May 5 42.7°F 45.1°F 41.9°F
May 6 43.4°F 46.1°F 42.6°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.