What is the current water temperature in Fort William?

Q: What is the current water temperature in Fort William?

As of now, in Fort William, the water temperature is 13.78°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.

United Kingdom > Fort William

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.

56.8

°F

August 5, 19:53

Trend:

decreasing

Yesterday:

57.2°F

Tomorrow:

56.7°F

Sunrise:

05:27

Sunset:

21:24

Day Length:

15 h. 57 min.

Fort William in August

Minimum:

47.3°F

Average:

47.6°F

Maximum:

48.0°F

Sea water temperature in Fort William today

As of now, in Fort William, the water temperature is 56.8°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 0.5°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 57.1°F on 2019, while the historical minimum was 55.5°F on 2020.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 56.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Fort William

Date	Current Year actual* / forecast**	last year	10 years average
Jul 22	55.0°F	56.7°F	55.9°F
Jul 23	55.5°F	56.8°F	56.0°F
Jul 24	55.3°F	56.8°F	56.1°F
Jul 25	55.5°F	56.8°F	56.1°F
Jul 26	55.5°F	56.8°F	56.2°F
Jul 27	56.2°F	56.9°F	56.4°F
Jul 28	56.3°F	57.0°F	56.4°F
Jul 29	56.4°F	56.9°F	56.4°F
Jul 30	56.6°F	56.8°F	56.4°F
Jul 31	56.4°F	56.8°F	56.4°F
Aug 1	56.4°F	56.9°F	56.4°F
Aug 2	56.6°F	56.6°F	56.5°F
Aug 3	56.6°F	56.5°F	56.4°F
Aug 4	57.2°F	56.4°F	56.4°F
Aug 5	56.8°F	56.4°F	56.3°F
Aug 6	56.7°F	56.3°F	56.2°F
Aug 7	56.6°F	56.2°F	56.1°F
Aug 8	56.5°F	56.3°F	56.0°F
Aug 9	56.6°F	56.3°F	56.0°F
Aug 10	56.7°F	56.4°F	56.1°F
Aug 11	56.8°F	56.6°F	56.3°F
Aug 12	56.8°F	56.1°F	56.3°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 August 19, 2025, reaching a 59.1°F. While the coldest temperature occurred on March 12, 2016, dipping to 43.3°F. The average readings by season are 47.3°F in Winter, 46.6°F in Spring, 54.8°F in Summer, and 54.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Alexandria	61.5°F	60mi
Dumbarton	61.6°F	64mi
Houston	61.5°F	69mi

* current water temperature in this city

** straight line distance from Fort William