All data are in degrees Fahrenheit

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Water temperature in Fort William

Detailed information about the current water temperature in Fort William. 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 Fort William now

46.9

°F

April 18, 20:35

Trend:

stable

Yesterday:

47.0°F

Tomorrow:

47.0°F

Sunrise:

06:06

Sunset:

20:35

Day Length:

14 h. 29 min.

Fort William in April

Minimum:

47.5°F

Average:

47.8°F

Maximum:

48.6°F

Sea water temperature in Fort William today

As of now, in Fort William, the water temperature is 46.9°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 1.0°F higher 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 stay about the same.

Recent sea temperature and forecast

Today's reading indicates a minor change compared to the average water temperature of the last two weeks, but the overall trend remains steady. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 47.1°F on 2023, while the historical minimum was 44.8°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 47.4°F, with minimum temperature starting at 47.0°F, while the maximum might reach 47.7°F.

Daily water temperature in Fort William

Date Current Year

actual* / forecast**

last year 10 years average
Apr 4 46.7°F 45.3°F 45.1°F
Apr 5 45.8°F 45.2°F 44.9°F
Apr 6 45.8°F 45.3°F 45.0°F
Apr 7 45.8°F 45.3°F 45.1°F
Apr 8 46.5°F 45.4°F 45.4°F
Apr 9 47.1°F 45.9°F 45.5°F
Apr 10 47.4°F 46.0°F 45.6°F
Apr 11 47.4°F 46.0°F 45.7°F
Apr 12 47.4°F 46.2°F 45.7°F
Apr 13 47.4°F 46.2°F 45.7°F
Apr 14 47.3°F 46.4°F 45.7°F
Apr 15 47.2°F 46.3°F 45.8°F
Apr 16 47.1°F 46.3°F 45.8°F
Apr 17 47.0°F 46.3°F 45.8°F
Apr 18 46.9°F 46.2°F 45.9°F
Apr 19 47.0°F 46.3°F 46.0°F
Apr 20 47.1°F 46.3°F 46.1°F
Apr 21 47.4°F 46.4°F 46.4°F
Apr 22 47.5°F 46.4°F 46.5°F
Apr 23 47.6°F 46.8°F 46.6°F
Apr 24 47.7°F 46.9°F 46.7°F
Apr 25 47.7°F 46.9°F 46.7°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 Fort William by month

In an average year, Fort William offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Fort William was recorded on September 7, 2023, reaching a 58.5°F. While the coldest temperature occurred on February 27, 2015, dipping to 42.9°F. The average readings by season are 47.3°F in Winter, 46.5°F in Spring, 54.6°F in Summer, and 54.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Alexandria 48.3°F 60mi
Dumbarton 48.3°F 64mi
Houston 48.3°F 69mi

* current water temperature in this city

** straight line distance from Fort William