Saint Mary's Sea Temperature

(Today) 2022

15.2°C / 59.4°F

Current weather

13°C / 56°F
(broken clouds)

Partly cloudy

Wind

19 mph

Humidity

90%


The measurements for the water temperature in Saint Mary's, England 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.

Monthly average water temp

Monthly average max / min water temperatures

The graph below shows the range of monthly Saint Mary's water temperature derived from many years of historical sea surface temperature data.

Saint Mary's average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Saint Mary's
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 9.9 9.2 8.7 9.2 10.9 12 13.6 15.6 15.3 13.6 12 10.8
Max °C 11.6 11.5 11.3 12.5 13.5 16.4 19.3 18.9 18.6 16.8 14.6 12.9
Min °F 50.5 49.4 48.7 49.8 52.7 55.4 58.7 61.4 60.8 57.8 54.6 52.2
Max °F 52.2 51.7 51.3 53.1 55.3 59.8 64.4 64.7 64.1 61 57.2 54.3

The warmest water temperature is in August with an average around 63°F / 17.2°C. The coldest month is March with an average water temperature of 50°F / 10.0°C.


7 day tide forecast for Saint Mary's

TueWedThuFriSatSunMon
  • High 5:06am
    (4.91m)
  • Low 11:26am
    (1.38m)
  • High 5:25pm
    (5.06m)
  • Low 11:52pm
    (1.33m)
  • High 5:44am
    (4.95m)
  • Low 12:02pm
    (1.34m)
  • High 6:02pm
    (5.14m)
  • Low 12:28am
    (1.28m)
  • High 6:21am
    (4.98m)
  • Low 12:37pm
    (1.31m)
  • High 6:37pm
    (5.17m)
  • Low 1:04am
    (1.27m)
  • High 6:57am
    (4.97m)
  • Low 1:12pm
    (1.31m)
  • High 7:12pm
    (5.16m)
  • Low 1:39am
    (1.28m)
  • High 7:32am
    (4.92m)
  • Low 1:48pm
    (1.35m)
  • High 7:47pm
    (5.1m)
  • Low 2:15am
    (1.33m)
  • High 8:08am
    (4.83m)
  • Low 2:25pm
    (1.42m)
  • High 8:23pm
    (5.01m)
  • Low 2:53am
    (1.41m)
  • High 8:45am
    (4.73m)
  • Low 3:03pm
    (1.51m)
  • High 9:01pm
    (4.9m)
7 day tide times for Saint Mary's

*These tide times are estimates based on the nearest accurate location (St. Mary's, Isles of Scilly, England) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.