Fort William Sea Temperature

(Today) 2025

11.7°C / 53°F

The water will feel cool (fresh). Probably too cold for all but seasoned swimmers. We'd recommend a 4mm or 5mm wetsuit if you want to stay in the water.

Current weather

13°C / 55°F
(overcast clouds)
Partly cloudy
Wind
6 mph
Humidity
94%

The measurements for the water temperature in Fort William, Scotland are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Fort William water temperature derived from many years of historical sea surface temperature data.

Fort William average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Fort William
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 7.2 6.7 6.5 7.3 8.5 9.4 11.8 12.4 12.5 11.6 10.7 8.6
Max °C 9.2 8.6 8.4 9.2 10.6 13.1 14 14.9 14.4 13.8 12.6 11
Min °F 45.8 44.8 44.4 45.9 48.1 50.4 54.1 55.3 55.2 53.8 52 48.4
Max °F 47.8 46.7 46.3 47.8 50.2 54.1 56.3 57.8 57.1 56 53.9 50.8

The warmest water temperature is in August with an average around 56.5°F / 13.6°C. The coldest month is March with an average water temperature of 45.3°F / 7.4°C.

7 day tide forecast for Fort William

SatSunMonTueWedThuFri
  • High 02:03am
    (3.06m)
  • Low 09:18am
    (1.74m)
  • High 03:12pm
    (2.96m)
  • Low 09:18pm
    (1.71m)
  • High 03:22am
    (3.1m)
  • Low 10:13am
    (1.68m)
  • High 04:26pm
    (3.12m)
  • Low 10:16pm
    (1.69m)
  • High 04:27am
    (3.19m)
  • Low 11:01am
    (1.57m)
  • High 05:19pm
    (3.31m)
  • Low 11:05pm
    (1.61m)
  • High 05:20am
    (3.31m)
  • Low 11:41am
    (1.42m)
  • High 06:01pm
    (3.51m)
  • Low 11:48pm
    (1.49m)
  • High 06:06am
    (3.42m)
  • Low 12:17pm
    (1.27m)
  • High 06:20pm
    (3.68m)
  • Low 12:26am
    (1.35m)
  • High 06:30am
    (3.52m)
  • Low 12:49pm
    (1.11m)
  • High 06:56pm
    (3.82m)
  • Low 01:40am
    (1.2m)
  • High 07:10am
    (3.6m)
  • Low 01:59pm
    (0.96m)
  • High 07:33pm
    (3.92m)
7 day tide times for Fort William

*These tide times are estimates based on the nearest accurate location (Ullapool, Scotland) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.