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

62.7

°F

August 4, 11:43

Trend:

stable

Yesterday:

62.9°F

Tomorrow:

63.0°F

Sunrise:

06:07

Sunset:

20:39

Day Length:

14 h. 32 min.

Lunenburg in August

Minimum:

36.0°F

Average:

38.1°F

Maximum:

39.7°F

Sea water temperature in Lunenburg today

As of now, in Lunenburg, the water temperature is 62.7°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 0.4°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 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 68.4°F on 2019, while the historical minimum was 60.7°F on 2025.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 63.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Lunenburg

Date Current Year

actual* / forecast**

last year 10 years average
Jul 21 55.4°F 59.9°F 61.2°F
Jul 22 54.8°F 60.3°F 61.8°F
Jul 23 53.8°F 59.0°F 61.4°F
Jul 24 52.4°F 58.9°F 61.9°F
Jul 25 54.4°F 59.6°F 62.3°F
Jul 26 55.9°F 60.5°F 62.6°F
Jul 27 55.5°F 60.1°F 62.9°F
Jul 28 57.4°F 58.8°F 62.8°F
Jul 29 58.7°F 58.5°F 62.6°F
Jul 30 60.0°F 57.8°F 63.0°F
Jul 31 60.2°F 59.8°F 62.9°F
Aug 1 59.8°F 58.5°F 62.7°F
Aug 2 60.9°F 60.2°F 63.4°F
Aug 3 62.9°F 60.4°F 63.1°F
Aug 4 62.7°F 60.7°F 63.1°F
Aug 5 63.0°F 62.0°F 63.4°F
Aug 6 63.1°F 62.3°F 63.4°F
Aug 7 63.3°F 62.0°F 63.6°F
Aug 8 63.1°F 61.3°F 63.5°F
Aug 9 62.7°F 61.0°F 63.1°F
Aug 10 63.1°F 61.3°F 63.4°F
Aug 11 62.7°F 61.0°F 63.1°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, 58.7°F in Summer, and 56.5°F in Autumn.