Sea Temperature

Old Greenwich Sea Temperature

(Today) Dec 2019

8.4°C / 47.1°F

Current weather

10°C / 50°F
(moderate rain)

Partly cloudy
Wind

8 mph

Humidity

93%


The measurements for the water temperature in Old Greenwich, Connecticut 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 max / min water temperatures

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

Maximum and minimum monthly sea temperatures in Old Greenwich
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.1 2.7 2.5 3.8 7.2 13.6 19.5 21.2 18.8 13.6 10.3 5.8
Max °C 7.6 5.6 6 9.9 14.4 20.8 23.7 24.5 22.2 19.9 13.9 11
Min °F 39.3 38 37.9 41.2 47.8 59.4 68.8 71.4 67.2 59 52 44.5
Max °F 43.8 40.9 41.4 47.3 55 66.6 73 74.7 70.6 65.3 55.6 49.7

7 day tide forecast for Old Greenwich

SatSunMonTueWedThuFri
  • High 12:11am
    (7.32m)
  • Low 6:15am
    (-0.06m)
  • High 12:23pm
    (8.34m)
  • Low 6:54pm
    (-0.81m)
  • High 12:57am
    (7.40m)
  • Low 7:03am
    (-0.07m)
  • High 1:11pm
    (8.22m)
  • Low 7:41pm
    (-0.75m)
  • High 1:47am
    (7.45m)
  • Low 7:56am
    (-0.03m)
  • High 2:02pm
    (7.99m)
  • Low 8:32pm
    (-0.62m)
  • High 2:40am
    (7.48m)
  • Low 8:55am
    (0.04m)
  • High 2:59pm
    (7.70m)
  • Low 9:28pm
    (-0.47m)
  • High 3:39am
    (7.52m)
  • Low 10:00am
    (0.06m)
  • High 4:01pm
    (7.41m)
  • Low 10:29pm
    (-0.33m)
  • High 4:41am
    (7.61m)
  • Low 11:09am
    (-0.01m)
  • High 5:08pm
    (7.19m)
  • Low 11:33pm
    (-0.26m)
  • High 5:46am
    (7.78m)
  • Low 12:19pm
    (-0.21m)
  • High 6:17pm
    (7.10m)
7 day tide times for Old Greenwich

*These tide times are estimates based on the nearest port (Stamford, Connecticut) 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 / 51.8°F
  • Avg: 8.4°C / 47.1°F
  • Min: 5.8°C / 42.4°F
Old Greenwich average sea temperature chart

These average ocean temperatures for Old Greenwich are calculated from several years of archived data.

Map showing location of Old Greenwich (41.022880, -73.564850)

Locations nearby

Variations

Whilst sea temperatures for Old Greenwich 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 Old Greenwich

Old Greenwich average sea temperature chart