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

60.5

°F

October 3, 14:59

Trend:

stable

Yesterday:

58.5°F

Tomorrow:

60.3°F

Sunrise:

07:17

Sunset:

18:55

Day Length:

11 h. 38 min.

Lunenburg in October

Minimum:

36.0°F

Average:

38.0°F

Maximum:

40.4°F

Sea water temperature in Lunenburg today

As of now, in Lunenburg, the water temperature is 60.5°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 0.3°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable 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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 63.0°F on 2025, while the historical minimum was 56.9°F on 2019.

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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 59.7°F, the minimum temperature may reach 59.1°F, and the maximum might stay at 60.3°F.

Daily water temperature in Lunenburg

Date Current Year

actual* / forecast**

last year 10 years average
Sep 19 62.4°F 65.6°F 62.8°F
Sep 20 61.8°F 64.0°F 62.5°F
Sep 21 61.5°F 66.1°F 62.5°F
Sep 22 60.6°F 65.0°F 61.8°F
Sep 23 60.2°F 64.2°F 61.8°F
Sep 24 60.3°F 64.8°F 62.0°F
Sep 25 59.5°F 64.4°F 61.3°F
Sep 26 59.3°F 64.1°F 61.3°F
Sep 27 59.3°F 64.0°F 61.1°F
Sep 28 59.2°F 64.5°F 61.1°F
Sep 29 59.1°F 64.0°F 60.7°F
Sep 30 58.5°F 63.9°F 60.8°F
Oct 1 58.3°F 62.0°F 60.6°F
Oct 2 58.5°F 63.6°F 60.7°F
Oct 3 60.5°F 63.0°F 60.7°F
Oct 4 60.3°F 62.4°F 60.6°F
Oct 5 59.9°F 61.5°F 60.2°F
Oct 6 59.6°F 61.0°F 59.8°F
Oct 7 59.7°F 60.9°F 59.9°F
Oct 8 59.5°F 61.0°F 59.8°F
Oct 9 59.8°F 61.4°F 60.1°F
Oct 10 59.1°F 60.2°F 59.4°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.

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.