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 8.97°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.

48.1

°F

December 29, 18:01

Trend:

decreasing

Yesterday:

48.3°F

Tomorrow:

48.0°F

Sunrise:

08:58

Sunset:

15:47

Day Length:

6 h. 49 min.

Fort William in January

Minimum:

47.9°F

Average:

48.2°F

Maximum:

49.0°F

Sea water temperature in Fort William today

As of now, in Fort William, the water temperature is 48.1°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 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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 49.3°F on 2016, while the historical minimum was 47.9°F on 2018.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 47.5°F, the minimum temperature may reach 47.1°F, and the maximum might stay at 48.0°F.

Daily water temperature in Fort William

Date	Current Year actual* / forecast**	last year	10 years average
Jan 1	47.7°F	47.9°F	48.2°F
Jan 2	47.6°F	47.8°F	48.1°F
Jan 3	47.4°F	47.7°F	47.9°F
Jan 4	47.2°F	47.5°F	47.8°F
Jan 5	47.1°F	47.4°F	47.6°F
Dec 15	49.5°F	49.6°F	49.7°F
Dec 16	49.4°F	49.4°F	49.6°F
Dec 17	49.3°F	49.3°F	49.5°F
Dec 18	49.2°F	49.2°F	49.4°F
Dec 19	49.0°F	49.0°F	49.2°F
Dec 20	48.9°F	49.0°F	49.2°F
Dec 21	48.8°F	48.8°F	49.1°F
Dec 22	48.8°F	48.8°F	49.1°F
Dec 23	48.8°F	48.8°F	49.0°F
Dec 24	48.9°F	48.8°F	49.0°F
Dec 25	48.4°F	48.8°F	48.9°F
Dec 26	48.5°F	48.8°F	48.9°F
Dec 27	48.3°F	48.7°F	48.8°F
Dec 28	48.3°F	48.6°F	48.8°F
Dec 29	48.1°F	48.4°F	48.7°F
Dec 30	48.0°F	48.2°F	48.5°F
Dec 31	47.8°F	48.1°F	48.3°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 February 27, 2015, dipping to 42.9°F. The average readings by season are 47.2°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	47.5°F	60mi
Dumbarton	47.5°F	64mi
Houston	47.5°F	69mi

* current water temperature in this city

** straight line distance from Fort William