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 8.16°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.

46.7

°F

January 22, 16:31

Trend:

decreasing

Yesterday:

47.0°F

Tomorrow:

46.6°F

Sunrise:

08:37

Sunset:

16:28

Day Length:

7 h. 51 min.

Fort William in January

Minimum:

47.8°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 46.7°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 0.4°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 stay about the same.

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 48.0°F on 2017, while the historical minimum was 46.5°F on 2018.

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 46.3°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
Jan 8	47.4°F	47.3°F	47.6°F
Jan 9	47.4°F	47.3°F	47.5°F
Jan 10	47.5°F	47.3°F	47.6°F
Jan 11	47.5°F	47.3°F	47.6°F
Jan 12	47.5°F	47.3°F	47.5°F
Jan 13	47.4°F	47.2°F	47.4°F
Jan 14	47.4°F	47.2°F	47.4°F
Jan 15	47.3°F	47.1°F	47.3°F
Jan 16	47.3°F	47.3°F	47.2°F
Jan 17	47.2°F	47.4°F	47.1°F
Jan 18	47.1°F	47.4°F	47.1°F
Jan 19	47.1°F	47.4°F	47.1°F
Jan 20	47.0°F	47.4°F	47.1°F
Jan 21	47.0°F	47.4°F	47.1°F
Jan 22	46.7°F	47.3°F	47.0°F
Jan 23	46.6°F	47.2°F	47.0°F
Jan 24	46.6°F	47.2°F	46.9°F
Jan 25	46.5°F	47.1°F	46.9°F
Jan 26	46.6°F	47.1°F	46.9°F
Jan 27	46.3°F	46.8°F	46.7°F
Jan 28	46.1°F	46.7°F	46.4°F
Jan 29	45.8°F	46.5°F	46.2°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	45.9°F	60mi
Dumbarton	45.9°F	64mi
Houston	45.9°F	69mi

* current water temperature in this city

** straight line distance from Fort William