Sea Temperature

Saint Mary's Sea Temperature

(Today) Dec 2017

11.7°C / 53°F

Current weather

(shower rain)
9°C / 48°F

Partly cloudy
Wind

30 mph

Humidity

70%


The measurements for the sea temperature in Saint Mary's, England are provided by the daily satellite readings provided by the NOAA. The temperatures given are the surface temperature (SST) which is most relevant to recreational users.

Monthly average max / min water temperatures

The graph below shows the range of monthly water temperatures over several years.

Maximum and minimum monthly sea temperatures in Saint Mary's
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 9.8 9.3 8.9 9.3 10.9 12.1 13.7 15.8 15.2 13.6 12.2 11
Max °C 11.7 11.4 11.4 12.3 13.5 16.5 19.5 18.9 18.5 16.6 14.5 12.9
Min °F 50.4 49.5 49 49.9 52.7 55.5 59 61.6 60.6 57.7 54.8 52.5
Max °F 52.3 51.6 51.5 52.9 55.3 59.9 64.8 64.7 63.9 60.7 57.1 54.4

7 day tide forecast for Saint Mary's

FriSatSunMonTueWedThu
  • High 02:37am
    (5.01m)
  • Low 09:04am
    (1.52m)
  • High 02:59pm
    (5.07m)
  • Low 09:27pm
    (1.40m)
  • High 03:20am
    (5.19m)
  • Low 09:47am
    (1.38m)
  • High 03:40pm
    (5.18m)
  • Low 10:06pm
    (1.31m)
  • High 03:59am
    (5.33m)
  • Low 10:24am
    (1.29m)
  • High 04:17pm
    (5.26m)
  • Low 10:41pm
    (1.25m)
  • High 04:36am
    (5.43m)
  • Low 10:59am
    (1.22m)
  • High 04:53pm
    (5.29m)
  • Low 11:14pm
    (1.22m)
  • High 05:10am
    (5.48m)
  • Low 11:33am
    (1.20m)
  • High 05:27pm
    (5.30m)
  • Low 11:47pm
    (1.23m)
  • High 05:44am
    (5.48m)
  • Low 12:06pm
    (1.21m)
  • High 06:00pm
    (5.25m)
  • Low 12:20am
    (1.28m)
  • High 06:17am
    (5.43m)
  • Low 12:40pm
    (1.27m)
  • High 06:33pm
    (5.17m)

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

Average December sea temperatures

  • Max: 11°C / 51.7°F
  • Avg: 11.9°C / 53.4°F
  • Min: 12.9°C / 55.1°F
Saint Mary's average sea temperature chart

These average ocean temperatures for Saint Mary's are calculated from several years of archived data.

Map showing location of Saint Mary's (49.917190, -6.295170)

Locations nearby

Variations

Whilst sea temperatures for Saint Mary's are as accurate as current data allows there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.

Alternate names for Saint Mary's
Ennor, Saint Mary's, St Mary's, St Marys

Saint Mary's average sea temperature chart