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 10.41°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.

50.7

°F

May 28, 04:00

Trend:

stable

Yesterday:

50.8°F

Tomorrow:

50.9°F

Sunrise:

04:42

Sunset:

21:54

Day Length:

17 h. 12 min.

Fort William in June

Minimum:

47.3°F

Average:

47.6°F

Maximum:

48.3°F

Sea water temperature in Fort William today

As of now, in Fort William, the water temperature is 50.7°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 0.8°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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 51.4°F on 2017, while the historical minimum was 48.6°F on 2021.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 51.3°F, with minimum temperature starting at 50.9°F, while the maximum might reach 51.6°F.

Daily water temperature in Fort William

Date	Current Year actual* / forecast**	last year	10 years average
May 14	49.6°F	49.6°F	48.8°F
May 15	49.3°F	50.9°F	48.9°F
May 16	49.0°F	50.8°F	48.8°F
May 17	48.7°F	50.4°F	48.8°F
May 18	48.7°F	50.4°F	48.8°F
May 19	48.8°F	49.7°F	48.8°F
May 20	49.0°F	49.8°F	49.0°F
May 21	48.6°F	50.3°F	49.2°F
May 22	48.8°F	50.3°F	49.3°F
May 23	49.1°F	50.2°F	49.4°F
May 24	49.7°F	50.2°F	49.7°F
May 25	50.2°F	50.4°F	50.0°F
May 26	50.1°F	50.3°F	50.0°F
May 27	50.8°F	50.3°F	50.0°F
May 28	50.7°F	50.2°F	50.0°F
May 29	50.9°F	50.1°F	50.1°F
May 30	51.0°F	50.1°F	50.2°F
May 31	51.2°F	50.1°F	50.4°F
Jun 1	51.2°F	50.2°F	50.5°F
Jun 2	51.5°F	50.3°F	50.7°F
Jun 3	51.5°F	50.4°F	50.8°F
Jun 4	51.6°F	50.0°F	50.8°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	55.6°F	60mi
Dumbarton	55.6°F	64mi
Houston	55.5°F	69mi

* current water temperature in this city

** straight line distance from Fort William